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$402+ Cheap flights from Buffalo (BUF) to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Buffalo to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Round-trip from

$513
(Delta)

One-way from

$402
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,053
From Buffalo to Barcelona
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One-way flight from Buffalo to Barcelona
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Highest demand for flights based on searches. 24% potential increase in price ($309 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Buffalo to Barcelona

Cheapest flights from Buffalo to Barcelona
Explore the most affordable flight options available from Buffalo to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Gurufare deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:27 pmBUF - BCN
1 stop11h 33mBritish Airways
Tue 12/25:00 pmBCN - BUF
2 stops35h 51mBritish Airways
Deal found 10/28$531
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:05 pmBUF - BCN
2 stops17h 05mDelta
Tue 12/212:15 pmBCN - BUF
2 stops18h 01mDelta
Deal found 10/28$599
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:40 pmBUF - BCN
2 stops33h 55mMultiple Airlines
Tue 12/21:50 pmBCN - BUF
3 stops29h 22mMultiple Airlines
Deal found 10/28$612
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:50 amBUF - BCN
3 stops19h 05mAir Canada
Tue 12/21:50 pmBCN - BUF
3 stops29h 22mAir Canada
Deal found 10/28$669
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:35 amBUF - BCN
1 stop15h 25mAmerican Airlines
Tue 12/212:30 pmBCN - BUF
1 stop16h 19mAmerican Airlines
Deal found 10/28$690
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:19 pmBUF - BCN
2 stops20h 01mTAP AIR PORTUGAL
Sat 12/209:10 pmBCN - BUF
2 stops32h 44mTAP AIR PORTUGAL
Deal found 10/29$947
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:46 pmBUF - BCN
2 stops21h 29mBritish Airways
Sat 12/208:40 pmBCN - BUF
2 stops31h 53mBritish Airways
Deal found 10/29$949
This KLM deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:57 pmBUF - BCN
1 stop10h 03mKLM
Sun 11/210:55 amBCN - BUF
1 stop18h 44mKLM
Deal found 10/29$1,141
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:00 amBUF - BCN
2 stops20h 00mUnited Airlines
Sat 12/2011:00 amBCN - BUF
1 stop13h 18mUnited Airlines
Deal found 10/29$1,142
This United deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:30 amBUF - BCN
1 stop15h 30mMultiple Airlines
Sat 12/201:35 pmBCN - BUF
2 stops29h 49mMultiple Airlines
Deal found 10/29$1,146
This KLM deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:15 amBUF - BCN
1 stop14h 45mMultiple Airlines
Sun 11/212:15 pmBCN - BUF
2 stops17h 28mMultiple Airlines
Deal found 10/29$1,153

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Buffalo to Barcelona that are best for you.

Fly from

Buffalo

Fly to

Barcelona

Route

Depart

Return

Price

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 1/7

11:51 am-11:10 am

2 stops17h 19m

Barcelona-El Prat

Wed 2/18

10:55 am-11:07 pm

2 stops18h 12m

$517

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 11/25

3:27 pm-9:00 am

1 stop11h 33m

Barcelona-El Prat

Tue 12/2

5:00 pm-10:51 pm

2 stops35h 51m

$531

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 1/7

7:00 am-8:50 am

2 stops19h 50m

Barcelona-El Prat

Mon 2/16

1:00 pm-11:49 pm

2 stops16h 49m

$568

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

Wed 2/18

10:55 am-11:57 pm

1 stop19h 02m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

Tue 2/17

10:15 am-11:49 pm

1 stop19h 34m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

Fri 2/20

10:15 am-6:51 pm

1 stop14h 36m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 1/6

3:38 pm-3:00 pm

2 stops17h 22m

Barcelona-El Prat

Fri 2/20

10:15 am-6:51 pm

1 stop14h 36m

$624

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 3/19

5:26 pm-1:20 pm

2 stops14h 54m

Barcelona-El Prat

Tue 3/24

6:10 pm-9:09 am

1 stop19h 59m

$629

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 4/7

2:29 pm-4:55 pm

2 stops20h 26m

Barcelona-El Prat

Mon 4/13

6:00 am-9:35 am

2 stops33h 35m

$634

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 12/30

6:32 pm-11:35 pm

3 stops47h 03m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 19 results
1
2

Best time to book a flight from Buffalo to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Barcelona

What is the cheapest month to book a flight from Buffalo to Barcelona?

Currently, November is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $532). Flying from Buffalo to Barcelona in April is currently the most expensive (average of $852). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to BCN?

Find hourly flight availability from Buffalo to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Buffalo to Barcelona by exploring options for tickets in the morning.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and British Airways from Buffalo to Barcelona. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,030 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,487 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Barcelona?

    If you book a flight to Barcelona from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo. There are 0 flights from Buffalo to Barcelona per day from 3 different airlines.

  • How long is the flight from Buffalo to Barcelona?

    There are many flights that can get you from Buffalo to Barcelona in 11h 33m. Fly via Delta or British Airways to get the fastest option. Airlines will cover a distance of 3970 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to Barcelona round-trip?

    Our cheapest airline available from Buffalo to Barcelona is United Airlines. Our recent data shows that you can find tickets from as low as $559 on this airline. Additional options worth looking into are British Airways and American Airlines, starting at $697 and $807 round-trip. United Airlines is currently priced 40% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Buffalo to Barcelona one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $419. However, be on the lookout for offers from American Airlines and TAP AIR PORTUGAL, as they are both options that can get you from Buffalo to Barcelona for a low price.

  • Can I find deals for flights from Buffalo to Barcelona that include hotel bookings?

    Yes. In addition to deals on Buffalo to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Barcelona.

  • Can I find deals for business class flights from Buffalo to Barcelona?

    Yes. Cheapflights offers flight deals from Buffalo to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Barcelona?

    Currently, November is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $532). Flying from Buffalo to Barcelona in April is currently the most expensive (average of $852). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Buffalo to Barcelona

Discover the top 3 airlines that operate flights from Buffalo to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$559Average$774FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$697Average$904FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$807Average$955FlexibilityNo cancel feeOn-time71%

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