Title: $250 Cheap flights from Buffalo to Barcelona (BUF to BCN) - Expedia.com ![Park Guell in Barcelona, Spain.](https://images.trvl-media.com/place/179992/69d617cb-f9bd-468b-a628-8f7052d9d96c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/179992/69d617cb-f9bd-468b-a628-8f7052d9d96c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $250 Cheap Flights from Buffalo (BUF) to Barcelona (BCN) [View $250 flight on Mon, May 4, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BUF,to:BCN,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:250.00&airProductToken=AQpeCi0IwmwSAzUxNhiBLSDBkwEoyY6MAzCjj4wDOExAAFgBagJETnIIUEwyTFNWTDEKLQjCbBIDMzQ1GMGTASDBaCjkj4wDMLGTjAM4TEABWAFqAkROcghQTDJMU1ZMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Barcelona El Prat Airport (BCN) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TP.svg) TAP Portugal [](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Buffalo to Barcelona (BUF-BCN) Prices were available within the past 7 days and start at $250 for one-way flights and $484 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Mar 9 - Mon, Mar 16 BUF Buffalo BCN Barcelona $484 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:3/9/2026TANYT&leg2=from:BCN,to:BUF,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:483.03&airProductToken=AQqdAQoyCMGCARIENDA2OBiBLSDBkwEorJiHAzCImYcDOEJAAFgBagVCQVNJQ3IIT0xOOFQxQlYKMwjBggESBDY5NjMYwZMBIOuJASjbmYcDMOachwM4T0ABWAFqBUJBU0lDcghPTE44VDFCVgoyCMGCARIENjc1ORjriQEgwWgoz52HAzDMnocDOFNAAVgBagVCQVNJQ3IIT0xOOFQxQlYKaAoyCMGCARIEODc5MRjBaCDBkwEopuWHAzCz6YcDOE9AAFgBagVCQVNJQ3IIT0xOOFQxQlYKMgjBggESBDQwNTUYwZMBIIEtKJDuhwMw--6HAzhCQAFYAWoFQkFTSUNyCE9MTjhUMUJWEgwIARABGAEqAkFBMgAYASIECAEQASgCKAMoBDAL) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Sun, Apr 12 - Tue, Apr 21 BUF Buffalo BCN Barcelona $484 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:4/12/2026TANYT&leg2=from:BCN,to:BUF,departure:4/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:483.93&airProductToken=AQqlAQo9CMKCARIENjU1ORiBLSCuHCj1lYoDMPOWigM4T0AAWAFqBU5PQkFHcghPTFg1VDFCVnoKCMGCARIENjU1OQoxCMKCARIDMjk0GK4cIOuJASiol4oDMP6aigM4T0ABWAFqBU5PQkFHcghPTFg1VDFCVgoxCMKCARIDNDc0GOuJASDBaCjim4oDMOScigM4T0ABWAFqBU5PQkFHcghPTFg1VDFCVgp-Cj0IwoIBEgQxNTUyGMFoIK4cKJ72igMw7PqKAzhPQABYAWoFTk9CQUdyCE9MWDVUMUJWegoIwYIBEgQxNTUyCj0IwoIBEgQ1NTM0GK4cIIEtKLn9igMwoP6KAzhPQAFYAWoFTk9CQUdyCE9MWDVUMUJWegoIwYIBEgQ1NTM0EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Sun, Apr 12 - Tue, Apr 21 BUF Buffalo BCN Barcelona $487 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:4/12/2026TANYT&leg2=from:BCN,to:BUF,departure:4/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:486.13&airProductToken=AQp9Cj0IyYQBEgQ4MzQwGIEtIK4cKKiUigMwo5WKAzhPQABYAWoFQkFTSUNyCE9MWDVUMUJWegoIwYIBEgQyMTgyCjwIyYQBEgQ0MzgyGK4cIMFoKLSYigMwvJyKAzhPQAFYAWoFQkFTSUNyCE9MWDVUMUJWegkIwYIBEgMwNDAKfQo8CMmEARIENDM4MxjBaCCuHCie9ooDMOz6igM4T0AAWAFqBUJBU0lDcghPTFg1VDFCVnoJCMGCARIDMDQxCj0IyYQBEgQ4MzQzGK4cIIEtKLn9igMwoP6KAzhPQAFYAWoFQkFTSUNyCE9MWDVUMUJWegoIwYIBEgQzMjI1EgoIARABGAEqAklCGAEiBAgBEAEoAigDKAQwDQ) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Sun, Apr 12 - Tue, Apr 21 BUF Buffalo BCN Barcelona $487 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:4/12/2026TANYT&leg2=from:BCN,to:BUF,departure:4/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:486.13&airProductToken=AQp9Cj0I1qYBEgQyMTY1GIEtIOBcKN-WigMw6JeKAzhUQABYAWoFTElHSFRyCE9MWDU2U0JEegoIxJgBEgQyMDg0CjwI1qYBEgQzOTI2GOBcIMFoKJ2ZigMwqp2KAzhUQAFYAWoFTElHSFRyCE9MWDU2U0JEegkIxJgBEgMxOTQKfQo8CNamARIEMzkzNxjBaCDgXCi89ooDMKz7igM4VEAAWAFqBUxJR0hUcghPTFg1NlNCRHoJCMSYARIDMTk1Cj0I1qYBEgQyMTE2GOBcIIEtKJ3-igMwl_-KAzhUQAFYAWoFTElHSFRyCE9MWDU2U0JEegoIxJgBEgQyMzM0EgoIARABGAEqAlZTGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Mar 9 - Mon, Mar 16 BUF Buffalo BCN Barcelona $487 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:3/9/2026TANYT&leg2=from:BCN,to:BUF,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:486.13&airProductToken=AQptCjUIxJgBEgQyNjY0GIEtIOBcKJiThwMwpJSHAzhFQABYAWoJTUFJTkJBU0lDcghWTE44NlNCRAo0CMSYARIDMTk0GOBcIMFoKO2YhwMw65yHAzhFQAFYAWoJTUFJTkJBU0lDcghWTE44NlNCRAptCjQIxJgBEgMxNjkYwWggqVEonuGHAzC15YcDOEVAAFgBaglNQUlOQkFTSUNyCFZMTjg2U0JECjUIxJgBEgQ1MjY0GKlRIIEtKNbphwMwvuqHAzhFQAFYAWoJTUFJTkJBU0lDcghWTE44NlNCRBIMCAEQARgBKgJETDIAGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Mar 8 - Thu, Mar 26 BUF Buffalo BCN Barcelona $487 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:3/8/2026TANYT&leg2=from:BCN,to:BUF,departure:3/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:486.53&airProductToken=AQpDCiAI1YIBEgQ0Mjk4GIEtIIgYKP-HhwMw14iHAzhMQABYAQofCNWCARIDOTkyGIgYIMFoKKKOhwMw-JGHAzhMQAFYAQpDCh8I1YIBEgM5OTEYwWggiBgomtKIAzC21ogDOExAAFgBCiAI1YIBEgQ0MzUzGIgYIIEtKIfaiAMw3tqIAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Mar 9 - Mon, Mar 16 BUF Buffalo BCN Barcelona $491 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:3/9/2026TANYT&leg2=from:BCN,to:BUF,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:490.33&airProductToken=AQqkAQo1CMSYARIENTI1MBiBLSCpUSjcmYcDMLmahwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxOODZTQkQKNAjEmAESAzI2NhipUSDiMCiym4cDMPSehwM4RUABWAFqCU1BSU5CQVNJQ3IIVkxOODZTQkQKNQjEmAESBDgzMjgY4jAgwWgoxJ-HAzCooIcDOEVAAVgBaglNQUlOQkFTSUNyCFZMTjg2U0JECm0KNAjEmAESAzE2ORjBaCCpUSie4YcDMLXlhwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxOODZTQkQKNQjEmAESBDUyNjQYqVEggS0o1umHAzC-6ocDOEVAAVgBaglNQUlOQkFTSUNyCFZMTjg2U0JEEgwIARABGAEqAkRMMgAYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Apr 7 - Tue, Apr 14 BUF Buffalo BCN Barcelona $494 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:4/7/2026TANYT&leg2=from:BCN,to:BUF,departure:4/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:493.33&airProductToken=AQqkAQo9CMGGARIENTM1MhiBLSCuHCiD34kDMIDgiQM4TEAAWAFqBUJBU0lDcghMTFg4NkRCUXoKCNWCARIENTcxOQoxCMGGARIEODQ3OBiuHCCYXSi05okDMLfniQM4TEABWAFqBUJBU0lDcghMTFg4NkRCUQowCMGGARIDODIyGJhdIMFoKMvqiQMwiO6JAzhMQAFYAWoFQkFTSUNyCExMWDg2REJRCrABCjAIwYYBEgM4MjMYwWggmF0op6iKAzCWrIoDOExAAFgBagVCQVNJQ3IITExYODZEQlEKPQjBhgESBDMxODUYmF0grhwop62KAzDTrooDOExAAVgBagVCQVNJQ3IITExYODZEQlF6CgjVggESBDM1NDkKPQjBhgESBDM5NTgYrhwggS0ograKAzDptooDOExAAVgBagVCQVNJQ3IITExYODZEQlF6CgjVggESBDQzODISCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, Apr 15 - Wed, Apr 22 BUF Buffalo BCN Barcelona $500 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:4/15/2026TANYT&leg2=from:BCN,to:BUF,departure:4/22/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:499.13&airProductToken=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) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, Mar 9 - Mon, Mar 16 BUF Buffalo BCN Barcelona $553 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUF,to:BCN,departure:3/9/2026TANYT&leg2=from:BCN,to:BUF,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:552.43&airProductToken=AQqaAQoxCMuYARIENjIzOBiBLSCpUSjcmYcDMLmahwM4VkAAWAFqBUxJR0hUcghWTE44NlNCRAoxCMuYARIDNjQ0GKlRIICTASjsmocDMJ-ehwM4VkABWAFqBUxJR0hUcghWTE44NlNCRAoyCMuYARIEMTUxNxiAkwEgwWgohaCHAzCCoYcDOExAAVgBagVMSUdIVHIIVkxOODZTQkQKZgoxCMuYARIENjA1MBjBaCCpUSie4YcDMLXlhwM4VkAAWAFqBUxJR0hUcghWTE44NlNCRAoxCMuYARIENjIzORipUSCBLSjW6YcDML7qhwM4VkABWAFqBUxJR0hUcghWTE44NlNCRBIMCAEQARgBKgJLTDIAGAEiBAgBEAEoAigDKAQwAQ) ## Alternative airports near Barcelona Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) BCN Barcelona Intl. CheapestClosest 18 min [Flights from $666 ](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:BCN,departure:2/20/2026TANYT&leg2=from:BCN,to:BUF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Buffalo (BUF) to Barcelona (BCN) ### November is typically the cheapest month to fly From $433 - $1,169 per traveler. __Flights from Buffalo (BUF) to Barcelona (BCN)__ | Origin airport | Buffalo Niagara Intl. | | ------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Barcelona Intl. | | Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic | | Roundtrip price | $483 | | Distance | 3972 mi | ## Buffalo to Barcelona Flights The cheapest times to fly from Buffalo to Barcelona On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Barcelona are during the month of March. You can find some of the cheapest flights from Buffalo to Barcelona with Expedia's search tool and vast selection of airlines. The best time to book a flight from Buffalo to Barcelona Sunday is one of the best days to book for cheap flights from Buffalo to Barcelona: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Buffalo to Barcelona Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Barcelona in 2026\. You can also book with separate airlines for your outbound and return journeys, from $250 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Barcelona flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Buffalo to Barcelona airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. ## Frequently asked questions ### How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.) cost? ### What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? ### Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? ### What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? ### How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? ### What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? ### What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? ### What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? ### How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? ### Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? > - American Airlines > - Delta Air Lines > - United Airlines > - JetBlue Airways ### How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.) flight with Expedia? ### What airports do you fly into for Barcelona from Buffalo Niagara Intl. (BUF)? ### Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.) at the last minute? ### Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Barcelona (BCN-Barcelona Intl.)? \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Hotels near Porta del Delta ](https://www.expedia.com/Porta-Del-Delta-Hotels.0-l553248635971376581-0.Travel-Guide-Filter-Hotels) - [El Prat de Llobregat Hotels ](https://www.expedia.com/El-Prat-De-Llobregat-Hotels.d179746.Travel-Guide-Hotels) - [Villas in El Prat de Llobregat ](https://www.expedia.com/El-Prat-De-Llobregat-Villas.d179746-aaVillas.Travel-Guide-Accommodation) - [Hotels with Free Airport Shuttle in El Prat de Llobregat ](https://www.expedia.com/El-Prat-De-Llobregat-Hotels-Hotels-With-Free-Airport-Shuttle.0-0-d179746-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - 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