Barcelona

$342+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Jun 15 — Jun 221
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Cheap 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 May 16, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:50 am
BUF
-
BCN
2 stops16h 00m
SWISS
Wed 10/76:00 am
BCN
-
BUF
2 stops16h 47m
SWISS
Deal found 5/14$698
This KLM deal was found by Cheapflights users on 5/13. 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.
Tue 10/133:50 pm
BUF
-
BCN
1 stop10h 55m
KLM
Tue 10/2010:55 am
BCN
-
BUF
1 stop13h 59m
KLM
Deal found 5/13$718
This KLM deal was found by Cheapflights users on 5/13. 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.
Tue 10/137:15 pm
BUF
-
BCN
2 stops14h 20m
Multiple Airlines
Tue 10/2010:55 am
BCN
-
BUF
1 stop18h 55m
Multiple Airlines
Deal found 5/13$722
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 12/314:00 pm
BUF
-
BCN
1 stop10h 20m
United Airlines
Thu 1/141:35 pm
BCN
-
BUF
2 stops36h 56m
United Airlines
Deal found 5/13$748
This Ovago deal was found by Cheapflights users on 5/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:50 pm
BUF
-
BCN
1 stop13h 25m
Lufthansa
Wed 10/711:15 am
BCN
-
BUF
1 stop13h 22m
Lufthansa
Deal found 5/15$767
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Wed 9/27:00 am
BUF
-
BCN
2 stops19h 00m
United Airlines
Wed 9/91:15 pm
BCN
-
BUF
3 stops26h 46m
United Airlines
Deal found 5/13$775
This British Airways deal was found by Cheapflights users on 5/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:46 pm
BUF
-
BCN
2 stops15h 24m
British Airways
Wed 11/1111:15 am
BCN
-
BUF
2 stops18h 21m
British Airways
Deal found 5/16$792

Find 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 May 16, 2026.

Round-trip from

$698
(Cheapflightsfares)

One-way from

$342
(United Airlines)

Popular in

March

Cheapest in

December

Average price

$1,061
From Buffalo to Barcelona
One-way flight from Buffalo to Barcelona
Highest demand for flights based on searches. 11% potential increase in price ($112 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 16, 2026.
Use the filters below to find and compare flights from Buffalo to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/13

7:00 am-8:35 am

2 stops19h 35m

Barcelona-El Prat

Tue 10/20

11:00 am-11:59 pm

2 stops18h 59m

$722

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/13

7:15 pm-3:35 pm

2 stops14h 20m

Barcelona-El Prat

Tue 10/20

10:55 am-11:50 pm

1 stop18h 55m

$722

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 8/9

7:59 pm-5:10 pm

2 stops15h 11m

Barcelona-El Prat

Fri 8/21

11:30 am-11:59 pm

1 stop18h 29m

$831

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/1

7:25 pm-6:50 pm

2 stops17h 25m

Barcelona-El Prat

Sat 9/12

10:55 am-10:35 am

1 stop29h 40m

$869

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 10/9

11:15 am-9:00 am

2 stops15h 45m

Barcelona-El Prat

Sun 10/11

10:55 am-11:59 pm

2 stops19h 04m

$874

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 7/13

10:00 am-8:45 am

1 stop16h 45m

Barcelona-El Prat

Mon 7/27

10:55 am-7:25 pm

1 stop14h 30m

$898
Quickest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 7/13

12:03 pm-8:35 am

2 stops14h 32m

Barcelona-El Prat

Mon 7/27

10:55 am-7:25 pm

1 stop14h 30m

$903

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 6/25

7:57 pm-4:25 pm

2 stops14h 28m

Barcelona-El Prat

Wed 7/8

11:00 am-11:59 pm

1 stop18h 59m

$922

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 6/12

8:09 pm-5:10 pm

2 stops15h 01m

Barcelona-El Prat

Fri 6/19

10:55 am-7:24 pm

1 stop14h 29m

$926
Cheapest one-way

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 8/9

10:34 am-5:55 pm

2 stops25h 21m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 17 resultsSorted by cheapest first
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, September is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $137). Flying from Buffalo to Barcelona in May is currently the most expensive (average of $788). 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.

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 May 16, 2026.
Read reviews from past customers who have flown Delta,KLM, andUnited Airlines 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.

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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 5 different airlines.

  • How long is the flight from Buffalo to Barcelona?

    There are many flights that can get you from Buffalo to Barcelona in 15h 11m. Fly via Virgin Atlantic or Delta 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 JetBlue. Our recent data shows that you can find tickets from as low as $137 on this airline. Additional options worth looking into are Delta and KLM, starting at $155 and $513 round-trip. JetBlue is currently priced 84% 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, September is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $137). Flying from Buffalo to Barcelona in May is currently the most expensive (average of $788). 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 5 airlines flying from Buffalo to Barcelona

Discover the top 5 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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$137Average$831FlexibilityNo cancel feeOn-time62%
DeltaCheapest$155Average$880FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$513Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$582Average$901FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$807Average$869FlexibilityNo cancel feeOn-time71%

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