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$331+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
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 octubre 28, 2025.

Round-trip from

$513
(Delta)

One-way from

$331
(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 octubre 28, 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.
mar. 11/253:27 pmBUF - BCN
1 stop11h 33mBritish Airways
mar. 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.
mar. 11/2512:05 pmBUF - BCN
2 stops17h 05mDelta
mar. 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.
mar. 11/255:40 pmBUF - BCN
2 stops33h 55mMultiple Airlines
mar. 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.
mar. 11/2510:50 amBUF - BCN
3 stops19h 05mAir Canada
mar. 12/21:50 pmBCN - BUF
3 stops29h 22mAir Canada
Deal found 10/28$669
This United Airlines deal was found by Cheapflights users on 10/27. 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.
mié. 11/191:52 pmBUF - BCN
2 stops18h 23mUnited Airlines
vie. 11/286:50 amBCN - BUF
2 stops20h 10mUnited Airlines
Deal found 10/27$674
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.
mar. 11/2511:35 amBUF - BCN
1 stop15h 25mAmerican Airlines
mar. 12/212:30 pmBCN - BUF
1 stop16h 19mAmerican Airlines
Deal found 10/28$690
This Delta deal was found by Cheapflights users on 10/27. 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.
mié. 11/1911:19 amBUF - BCN
2 stops18h 56mDelta
vie. 11/2810:15 amBCN - BUF
1 stop19h 44mDelta
Deal found 10/27$748
This Booking.com deal was found by Cheapflights users on 10/27. 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.
mié. 11/193:27 pmBUF - BCN
1 stop11h 33mBritish Airways
vie. 11/2812:30 pmBCN - BUF
1 stop12h 05mBritish Airways
Deal found 10/27$888
This Air Canada deal was found by Cheapflights users on 10/27. 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.
mié. 11/196:00 amBUF - BCN
2 stops21h 35mMultiple Airlines
vie. 11/285:50 amBCN - BUF
3 stops21h 10mMultiple Airlines
Deal found 10/27$1,001
This United Airlines deal was found by Cheapflights users on 10/26. 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.
sáb. 11/225:40 pmBUF - BCN
2 stops38h 35mUnited Airlines
dom. 11/3011:55 amBCN - BUF
2 stops36h 51mUnited Airlines
Deal found 10/26$1,111
This United deal was found by Cheapflights users on 10/26. 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.
sáb. 11/227:20 pmBUF - BCN
1 stop31h 40mMultiple Airlines
dom. 11/301:35 pmBCN - BUF
2 stops53h 37mMultiple Airlines
Deal found 10/26$1,178

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 octubre 28, 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

mié. 1/7

11:51 am-11:10 am

2 stops17h 19m

Barcelona-El Prat

mié. 2/18

10:55 am-11:07 pm

2 stops18h 12m

$517

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mar. 11/25

3:27 pm-9:00 am

1 stop11h 33m

Barcelona-El Prat

mar. 12/2

5:00 pm-10:51 pm

2 stops35h 51m

$531

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mié. 1/7

7:00 am-8:50 am

2 stops19h 50m

Barcelona-El Prat

lun. 2/16

1:00 pm-11:49 pm

2 stops16h 49m

$568

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

sáb. 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

mié. 2/18

10:55 am-11:57 pm

1 stop19h 02m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

sáb. 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

mar. 2/17

10:15 am-11:49 pm

1 stop19h 34m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

sáb. 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

vie. 2/20

10:15 am-6:51 pm

1 stop14h 36m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mar. 1/6

3:38 pm-3:00 pm

2 stops17h 22m

Barcelona-El Prat

vie. 2/20

10:15 am-6:51 pm

1 stop14h 36m

$624

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

jue. 1/8

8:30 am-2:15 pm

2 stops23h 45m

Barcelona-El Prat

mié. 2/18

11:00 am-5:50 pm

1 stop12h 50m

$641

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

vie. 1/9

8:30 am-2:15 pm

2 stops23h 45m

Barcelona-El Prat

mié. 2/18

11:00 am-5:50 pm

1 stop12h 50m

$641

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

sáb. 11/15

7:12 pm-9:45 pm

3 stops44h 33m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 results
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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 octubre 28, 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.

How much does it cost to fly round-trip from Buffalo to Barcelona?

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 octubre 28, 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
8,996 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

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
8,996 reviews
United Airlines
7.4
Good
8,996 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

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
11,033 reviews
United Airlines
7.4
Good
8,996 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

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
7,481 reviews
United Airlines
7.4
Good
8,996 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

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.

  • 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 octubre 28, 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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