Prices were available within the past 7 days and start at $12 for one-way flights and $54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Barcelona? Many airlines offer no change fee on selected flights and book now to earn your airline miles on top of ... Quickest one-stop flight takes close to 14 hours. However, some airlines could take as long as 40 hours based on the stopover destination and waiting duration. Waiting time at intermediate airports could be anywhere between 13 hrs to 40 hrs. Distance Between Los Angeles, United States & Barcelona, Spain is 9680 Kilo Meters.Discover flights from Los Angeles with Virgin Atlantic. With fares from $559, we offer a great choice of food, drinks and onboard entertainment & WiFi. ... Los Angeles (LAX) to. Barcelona (BCN) 04/28/2024 - 05/05/2024. Starting from. $873* Seen: 1 day ago. Round trip / Economy. Search latest fare. Los Angeles (LAX) to. Shanghai (PVG)It draws geodesic flight paths on top of Google maps, so you can create your own route map. Great Circle Map Enter two or more airports to draw a route between them on the map and calculate the distance. Priceline flight search machine data shows that booking flights 21 days in advance from Los Angeles to Barcelona can lower ticket prices by 30% compared to booking flights for the same week of travel ($956) or 7-14 days before travel ($956). Make sure to go to the Picasso Museum and Joan Miró Foundation to see some of the iconic works by the 20th century artists. Find your cheap round-trip flight Los Angeles Barcelona with Air France at $553. Discover our selection of cheapest return flights to Barcelona from Los Angeles. The two airlines most popular with KAYAK users for flights from Los Angeles to Barcelona are Delta and United Airlines. With an average price for the route of $961 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $990 and an overall rating of 7.4. Compare & book flight deals from Los Angeles to Barcelona with Cathay Pacific today, and fly from (LAX) to (BCN) in award-winning comfort Barcelona. $306 per passenger. Departing Wed, 23 Oct. One-way flight with LEVEL. Outbound direct flight with LEVEL departs from Los Angeles International on Wed, 23 Oct, arriving in Barcelona. Direct. from AED 1,465. Barcelona.AED 1,595 per passenger.Departing Wed, May 8, returning Wed, May 15.Round-trip flight with Norse Atlantic Airways and Vueling Airlines.Outbound indirect flight with Norse Atlantic Airways, departing from Los Angeles International on Wed, May 8, arriving in Barcelona.Inbound indirect flight with …Compare flight deals to Los Angeles from Barcelona from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Los Angeles start from $278 one-way. Flex your dates to find the best BCN-LAX ticket prices. Compare flight deals to Barcelona from Los Angeles from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Barcelona start from C$257 one-way. Flex your dates to find the best LAX–BCN ticket prices. Cheap flights to Barcelona in April & May 2024. The below flights offer some of the lowest fares to Barcelona in April and May 2024. Prices refresh often so be sure to come back soon for more deals. Tue 4/30 7:15 pm BOS - BCN. 1 stop 20h 25m PLAY. Wed 5/8 10:40 pm BCN - BOS. 1 stop 25h 20m PLAY. Deal found 4/18 $299.See airlines list. Flights Date: Yesterday Today Tomorrow. Check other time periods: 12:00 AM - 05:59 AM 06:00 AM - 11:59 AM 12:00 PM - 05:59 PM 06:00 PM - 11:59 PM. Flight Departures information from Los Angeles Airport (LAX): Status and Estimated times - …Use Google Flights to find cheap departing flights to Barcelona and to track prices for specific travel dates for your next getaway.Use Google Flights to find cheap departing flights to Barcelona and to track prices for specific travel dates for your next getaway.Flight prices to Barcelona. Belfast Intl to Barcelona. Oct from £31.99. Birmingham to Barcelona. Apr from £40.99. Bristol to Barcelona. Jun from £20.99. Glasgow to Barcelona. Aug from £50.99. Los Angeles · Barcelona · Paris Los Angeles · Barcelona · Rome Los Angeles · Barcelona · Venice. Find more cities. LEVEL offers you direct flights from Los Angeles to Barcelona. Prices were available within the past 7 days and start at $12 for one-way flights and $54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Barcelona? Many airlines offer no change fee on selected flights and book now to earn your airline miles on top of ... Compare flight deals to Barcelona from Los Angeles from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Barcelona start from ₹ 16,093 one-way. Flex your dates to find the best LAX-BCN ticket prices.Best offer found. Barcelona - Los Angeles. from 27 of August to 5 of September. From. 599 €.IB2623 and Barcelona BCN to Los Angeles LAX Flights. Flight IB2623 is code-shared by 6 airlines using the flight numbers AA8836, AS7715, AY5395, BA7290, QR5364, VY9793. Other flights departing from Barcelona BCN: VY2218, TP1033, FR333, IB2629. Other flights arriving at Los Angeles LAX: WN5851, AC791, WN668, AS2087.The longest flight to Barcelona BCN is departing from Santiago de Chile (SCL). This non-stop flight takes around 14 hours and 55 minutes and covers a distance of 4,303 miles (6,925 km). ... Iberia (Oneworld): year-round flights from Boston (BOS), Los Angeles (LAX), Miami (MIA), New York City (JFK) and seasonal flights from San …See airlines list. Flights Date: Yesterday Today Tomorrow. Check other time periods: 12:00 AM - 05:59 AM 06:00 AM - 11:59 AM 12:00 PM - 05:59 PM 06:00 PM - 11:59 PM. Flight Departures information from Los Angeles Airport (LAX): Status and Estimated times - … Airfares from $258 One Way, $523 Round Trip from Los Angeles to Barcelona. Prices starting at $523 for return flights and $258 for one-way flights to Barcelona were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Flight Results: (LAX) Los Angeles Intl - (BCN) Barcelona Int'l No flights to display for the selected origin and destination airports. Try selecting a different origin or destination airport to see more flights.If you want to fly directly from Los Angeles Intl. Airport (LAX) to Josep Tarradellas Barcelona–El Prat Airport, Iberia (IB) is a popular choice. It operates 17 flights every month between Los Angeles and El Prat de Llobregat.Barcelona. $324 per passenger. Departing Sat, Jan 18, returning Thu, Jan 30. Round-trip flight with Fly Play. Outbound indirect flight with Fly Play, departing from Boston Logan International on Sat, Jan 18, arriving in Barcelona.Barcelona-El Prat ». First Class. $2,004. Barcelona-El Prat Airport. Search and compare first class flight deals to Barcelona. Fly from Boston from $5,703, from Washington, D.C. from $6,022, from Newark from $6,072. Book your first class tickets to Barcelona.Embark on a journey that promises boundless excitement! Book Vueling Airlines flights to Barcelona, where every corner feels like a page from history's vibrant scrapbook. Board your flight, land in Barcelona, and you'll be immersed in a tapestry of Catalan culture, bursting with energy and enthusiasm. Use Google Flights to find cheap departing flights to Barcelona and to track prices for specific travel dates for your next getaway. May 7, 2021 · The cheapest way to book Star Alliance tickets to Spain is with Asiana Club. You can book one-way tickets from the U.S. to Spain for 25,000 miles in economy, 40,000 in business class and 65,000 in first class. Barcelona. $306 per passenger. Departing Wed, 23 Oct. One-way flight with LEVEL. Outbound direct flight with LEVEL departs from Los Angeles International on Wed, 23 Oct, arriving in Barcelona. Compare flight deals to Los Angeles from Barcelona from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Los Angeles start from C$254 one-way. Flex your dates to find the best BCN–LAX ticket prices.Apr 10, 2023 · The two airlines most popular with KAYAK users for flights from Los Angeles to Barcelona are Delta and United Airlines. With an average price for the route of $986 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,096 and an overall rating of 7.4. Cheap Flights from Los Angeles to Madrid (LAX-MAD) Prices were available within the past 7 days and start at $266 for one-way flights and $474 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Los Angeles to Madrid with no change fee on selected ...fly for about 1 hour in the air. Friday, 12:51 am (local time): Barcelona-El Prat (BCN) Barcelona is 6 hours ahead of New York, NY. and 9 hours ahead of Los Angeles. so the time in Los Angeles is actually 3:51 pm. you actually arrive the day after you left.Book one-way or return flights from Cadiz to Barcelona with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2024 flight deals from Cadiz to Barcelona now!The two airlines most popular with KAYAK users for flights from Los Angeles to Barcelona are Delta and United Airlines. With an average price for the route of $961 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $990 and an overall rating of 7.4.See airlines list. Flights Date: Yesterday Today Tomorrow. Check other time periods: 12:00 AM - 05:59 AM 06:00 AM - 11:59 AM 12:00 PM - 05:59 PM 06:00 PM - 11:59 PM. Flight Departures information from Los Angeles Airport (LAX): Status and Estimated times - … Airfares from $258 One Way, $523 Round Trip from Los Angeles to Barcelona. Prices starting at $523 for return flights and $258 for one-way flights to Barcelona were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. USA - Barcelona flights. Boston - Barcelona 412 $. Miami - Barcelona 467 $. Atlanta - Barcelona 1140 $. Kalamazoo - Barcelona. Nashville - Barcelona. Baltimore - Barcelona. Cedar Rapids - Barcelona. Corpus Christi - Barcelona. Amazing Lufthansa LAX to BCN Flight Deals. The cheapest flights to Barcelona Intl. found within the past 7 days were $591 round trip and $527 one way. Prices and availability subject to change. Additional terms may apply. Tue, Apr 16 - Tue, Apr 23.1 stop. Wed, 5 Jun BCN - ADL with Turkish Airlines. 1 stop. from $1,654. Barcelona.$1,921 per passenger.Departing Sun, 4 Aug, returning Tue, 20 Aug.Return flight with Qantas and Asiana Airlines.Outbound indirect flight with Qantas, departs from Adelaide on Sun, 4 Aug, arriving in Barcelona.Inbound indirect flight with Asiana Airlines, departs ...Check real-time flight status of IB2624 from Los Angeles to Barcelona on Trip.com. Find latest flight arrivals & departures and other travel information. Book Iberia flight tickets with us! ... Barcelona (BCN) Los Angeles (LAX) Sat, Apr 20. One way. 60% OFF. US$613 From US$242. Barcelona (BCN) Los Angeles (LAX) Mon, Apr 22. One way. 56% OFF.Cheap Flights from Barcelona to Los Angeles (BCN-LAX) Prices were available within the past 7 days and start at $316 for one-way flights and $451 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip.Average price (all airlines) $699. One-way from. $499. Round-trip from. $493. Highest demand for flights from Los Angeles to Barcelona-El Prat; 31% potential price increase. Search Deals. Best time to find cheap flights from Los Angeles to Barcelona-El Prat; 5% potential price drop.Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. Find the best flights fast, track prices, and book …Cheapest flights to Spain from Los Angeles International. Los Angeles International to Barcelona from $379. Price found Apr 20, 2024, 12:03 PM. Los Angeles International to Madrid from $460. Price found Apr 20, 2024, 4:29 AM. Los Angeles International to Palma from $493. Price found Apr 22, 2024, 3:24 AM.Conveniences include laptop-compatible safes and desks, and housekeeping is provided daily. Check real-time flight status of VY9794 from Los Angeles to Barcelona on Trip.com. Find latest flight arrivals & departures and other travel information. Book Vueling Airlines flight tickets with us!The two airlines most popular with KAYAK users for flights from Los Angeles to Barcelona are Delta and United Airlines. With an average price for the route of $986 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,096 and an overall rating of 7.4.Browse destinations: $380. Flights to Barcelona-El Prat Airport, Barcelona. Find flights to Barcelona from $311. Fly from California on ITA Airways, British Airways, Iberia and more. Search for Barcelona flights on KAYAK now to find the best deal.Economy. See Latest Fare. Los Angeles (LAX) to. Barcelona (BCN) 05/13/24 - 05/20/24. from. $668*. Updated: 5 hours ago. Round trip. Airfares from $258 One Way, $523 Round Trip from Los Angeles to Barcelona. Prices starting at $523 for return flights and $258 for one-way flights to Barcelona were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Cadiz to Barcelona with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2024 flight deals from Cadiz to Barcelona now!Cheap Flights from LAX to BCN starting at $268 One Way, $498 Round Trip. Prices starting at $498 for return flights and $268 for one-way flights to Barcelona Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, Mar 4 - Tue, Mar 11. Los Angeles (LAX) to Barcelona (BCN) flight schedule. The monthly calendar shows every direct flight departure from Los Angeles International (LAX) with all airlines. Click on a date to see a list of flights or search for the best prices. All weekly departures with Iberia. United flights from Los Angeles to Barcelona from. $ 571. * 1 Passenger, Economy. Departure. Return. Home. United flights. Flights to Spain. Los Angeles - Barcelona. …from AED 1,431. Barcelona.AED 1,594 per passenger.Departing Wed, May 8, returning Tue, May 21.Round-trip flight with Norse Atlantic Airways and Vueling Airlines.Outbound indirect flight with Norse Atlantic Airways, departing from Los Angeles International on Wed, May 8, arriving in Barcelona.Inbound indirect flight with Vueling …Los Angeles to Barcelona Flights Flights from LAX to BCN are operated twice a week. Departure times vary between 19:25 - 20:55. The earliest flight departs at 19:25, the last flight departs at 20:55. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on ... USA - Barcelona flights. Boston - Barcelona 412 $. Miami - Barcelona 467 $. Atlanta - Barcelona 1140 $. Kalamazoo - Barcelona. Nashville - Barcelona. Baltimore - Barcelona. Cedar Rapids - Barcelona. Corpus Christi - Barcelona. American Airlines flights from Los Angeles to Spain. Round trip. expand_more. 1 Adult, Economy class. expand_more. Book with cash. expand_more. From. Flights to Los Angeles (CA) from Barcelona. Cheap flights from Barcelona to Los Angeles (CA) from £292.99. Barcelona (Spain) - Los Angeles (CA) (United States) return flights from £570.99. From 09/09/2024 (Monday) - 16/09/2024 (Monday). Check for the dates with the lowest prices and find the cheapest rates. Los Angeles (LAX) to Barcelona (BCN) flight schedule. The monthly calendar shows every direct flight departure from Los Angeles International (LAX) with all airlines. Click on a date to see a list of flights or search for the best prices. All weekly departures with Iberia. Get direct flights between Barcelona and America at the best price. Discover the world travelling your way with the best fares! Check-in; MY BOOKING; ... Flights Los Angeles - Barcelona Flights Miami - Barcelona Flights Boston - Barcelona Flights Buenos Aires - Barcelona Flights Santiago - Barcelona. ABOUT LEVELLos Angeles International. Barcelona. Compare Los Angeles International to Barcelona flight deals. Find the cheapest month or even day of the year to fly to Barcelona. Book …Direct. from AED 1,465. Barcelona.AED 1,595 per passenger.Departing Wed, May 8, returning Wed, May 15.Round-trip flight with Norse Atlantic Airways and Vueling Airlines.Outbound indirect flight with Norse Atlantic Airways, departing from Los Angeles International on Wed, May 8, arriving in Barcelona.Inbound indirect flight with …Flight tickets to New Zealand start from £364 one-way. Flex your dates to secure the best fares for your Los Angeles International to New Zealand ticket. If your travel dates are flexible, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly from Los Angeles International to New Zealand. Set up a Price Alert.Direct. Tue, 10 Dec BCN - LAX with LEVEL. Direct. from $590. Barcelona.$590 per passenger.Departing Wed, 23 Oct, returning Thu, 14 Nov.Return flight with LEVEL.Outbound direct flight with LEVEL departs from Los Angeles International on Wed, 23 Oct, arriving in Barcelona.Inbound direct flight with LEVEL departs from Barcelona …Direct. Tue, 10 Dec BCN - LAX with LEVEL. Direct. from $590. Barcelona.$590 per passenger.Departing Wed, 23 Oct, returning Thu, 14 Nov.Return flight with LEVEL.Outbound direct flight with LEVEL departs from Los Angeles International on Wed, 23 Oct, arriving in Barcelona.Inbound direct flight with LEVEL departs from Barcelona …Flight Results: (LAX) Los Angeles Intl - (BCN) Barcelona Int'l No flights to display for the selected origin and destination airports. Try selecting a different origin or destination airport to see more flights.Flight Results: (BCN) Barcelona Int'l - (LAX) Los Angeles Intl No flights to display for the selected origin and destination airports. Try selecting a different origin or destination airport to see more flights.Compare Los Angeles International to Barcelona flight deals. Find the cheapest month or even day of the year to fly to Barcelona. Book the best Barcelona fare with no extra …Cheap flights from Los Angeles (LAX) to Barcelona from $311. From? To? Round-trip One-way. Sat 4/27. Sat 5/4. 1 adult, Economy. Find deals. We work with …Discover flights from Los Angeles with Virgin Atlantic. With fares from $559, we offer a great choice of food, drinks and onboard entertainment & WiFi. ... Los Angeles (LAX) to. Barcelona (BCN) 04/28/2024 - 05/05/2024. Starting from. $873* Seen: 1 day ago. Round trip / Economy. Search latest fare. Los Angeles (LAX) to. Shanghai (PVG)Direct. Tue, 10 Dec BCN - LAX with LEVEL. Direct. from $590. Barcelona.$590 per passenger.Departing Wed, 23 Oct, returning Thu, 14 Nov.Return flight with LEVEL.Outbound direct flight with LEVEL departs from Los Angeles International on Wed, 23 Oct, arriving in Barcelona.Inbound direct flight with LEVEL departs from Barcelona … Prices were available within the past 7 days and start at $12 for one-way flights and $54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Barcelona? Many airlines offer no change fee on selected flights and book now to earn your airline miles on top of ... Find the cheapest month – or even day – to fly to Barcelona. Apr. from £25. May. from £24. Jun. from £32. Jul. from £46. Barcelona. $306 per passenger. Departing Wed, 23 Oct. One-way flight with LEVEL. Outbound direct flight with LEVEL departs from Los Angeles International on Wed, 23 Oct, arriving in Barcelona. Compare flight deals to Los Angeles from Barcelona from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Los …The flight time between Los Angeles (LAX) and Barcelona (BCN) is around 15h 36m and covers a distance of around 9673 km. This includes an average layover time of around 2h 54m. Services are operated by Iberia, Air France, KLM and others. Typically 190 flights run weekly, although weekend and holiday schedules can vary so check in advance.Flight • $308 (€269) • 11 h 45 min. Popular travel companies. United. Travel 5984 miles (9652 km) by flight between Los Angeles, CA and Barcelona. United is the main travel company operating this trip. Travelers can even take a direct flight from Los Angeles, CA to Barcelona.
6 days ago · Cheap British Airways flights from Los Angeles to Barcelona-El Prat. Consider these cheap British Airways flights we've found departing from Los Angeles to Barcelona. Make sure to check back often as deals are often changing. Tue 4/23 7:30 pm LAX - BCN. 1 stop 15h 45m British Airways. Sun 4/28 8:30 pm BCN - LAX. . Iucreditunion
The two airlines most popular with KAYAK users for flights from Los Angeles to Rome are Turkish Airlines and Scandinavian Airlines. With an average price for the route of $688 and an overall rating of 7.4, Turkish Airlines is the most popular choice. Scandinavian Airlines is also a great choice for the route, with an average price of $708 and ...IB2623 and Barcelona BCN to Los Angeles LAX Flights. Flight IB2623 is code-shared by 6 airlines using the flight numbers AA8836, AS7715, AY5395, BA7290, QR5364, VY9793. Other flights departing from Barcelona BCN: VY2218, TP1033, FR333, IB2629. Other flights arriving at Los Angeles LAX: WN5851, AC791, WN668, AS2087.Apr 10, 2023 · The two airlines most popular with KAYAK users for flights from Los Angeles to Barcelona are Delta and United Airlines. With an average price for the route of $986 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,096 and an overall rating of 7.4. Barcelona-El Prat ». First Class. $2,004. Barcelona-El Prat Airport. Search and compare first class flight deals to Barcelona. Fly from Boston from $5,703, from Washington, D.C. from $6,022, from Newark from $6,072. Book your first class tickets to Barcelona.How much is the cheapest flight to Barcelona? Prices were available within the past 7 days and start at $12 for one-way flights and $54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All …Find the cheapest month – or even day – to fly to Barcelona. Apr. from £25. May. from £24. Jun. from £32. Jul. from £46.AA8601 and Los Angeles LAX to Barcelona BCN Flights. Incoming flight is IB2623 Barcelona BCN to Los Angeles LAX. Other flights departing from Los Angeles LAX: IB2624, WN120, UA1960, QF96. Other flights arriving at Barcelona BCN: IB2624, TK1855, VY1881, W42937. All flights connecting Los Angeles LAX to Barcelona BCN.Cheap Flights from Los Angeles (LAX) to Barcelona (BCN) Prices were available within the past 7 days and start at ₹41,045 for one-way flights and ₹48,425 for round trip, for the period specified.27 29. Reviewed April 23, 2018. Direct Flight Worth It. A great way to get from Los Angeles to Barcelona. We flew premium economy and that's the only way I would fly Level. There are definitely advantages besides more leg room and wider seats to flying premium economy. We did not wait in any lines to check our bags or get on the plane.$559 Cheap Lufthansa flights Los Angeles (LAX) to Barcelona (BCN) Prices were available within the past 7 days and start at $559 for one-way flights and $641 for round trip, for the period specified.Book one-way or return flights from Cadiz to Barcelona with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2024 flight deals from Cadiz to Barcelona now!Los Angeles International. Barcelona. Compare Los Angeles International to Barcelona flight deals. Find the cheapest month or even day of the year to fly to Barcelona. Book … Flying time from Los Angeles, CA to Barcelona, Spain. The total flight duration from Los Angeles, CA to Barcelona, Spain is 12 hours, 31 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.See airlines list. Flights Date: Yesterday Today Tomorrow. Check other time periods: 12:00 AM - 05:59 AM 06:00 AM - 11:59 AM 12:00 PM - 05:59 PM 06:00 PM - 11:59 PM. Flight Departures information from Los Angeles Airport (LAX): Status and Estimated times - …Compare flights from Los Angeles International (LAX) to Barcelona (BCN) from all major travel providers to find the best price.Looking for a cheap flight? 25% of our users found tickets from Los Angeles to the following destinations at these prices or less: Barcelona $356 one-way - $653 round-trip Morning departure is around 21% more expensive than an evening flight, on average*. Priceline flight search machine data shows that booking flights 21 days in advance from Los Angeles to Barcelona can lower ticket prices by 30% compared to booking flights for the same week of travel ($956) or 7-14 days before travel ($956). .