Barcelona

$332+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
May 28 — Jun 41
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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 April 28, 2026.

This KLM deal was found by Cheapflights users on 4/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:50 pm
BUF
-
BCN
1 stop10h 55m
KLM
Wed 10/2110:55 am
BCN
-
BUF
1 stop18h 55m
KLM
Deal found 4/26$611
This Virgin Atlantic deal was found by Cheapflights users on 4/26. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:15 am
BUF
-
BCN
2 stops15h 20m
Virgin Atlantic
Wed 10/2111:00 am
BCN
-
BUF
2 stops18h 05m
Virgin Atlantic
Deal found 4/26$616
This KLM deal was found by Cheapflights users on 4/23. 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 9/227:15 pm
BUF
-
BCN
2 stops14h 20m
Multiple Airlines
Sun 10/410:55 am
BCN
-
BUF
1 stop19h 01m
Multiple Airlines
Deal found 4/23$631
This Delta deal was found by Cheapflights users on 4/25. 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.
Thu 10/87:15 pm
BUF
-
BCN
2 stops14h 20m
Delta
Wed 10/2111:00 am
BCN
-
BUF
2 stops18h 05m
Delta
Deal found 4/25$635
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:50 pm
BUF
-
BCN
1 stop10h 55m
Delta
Thu 8/610:55 am
BCN
-
BUF
1 stop18h 43m
Delta
Deal found 4/26$693
This KLM deal was found by Cheapflights users on 4/25. 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.
Sat 6/66:15 am
BUF
-
BCN
1 stop24h 35m
KLM
Wed 6/1710:55 am
BCN
-
BUF
1 stop19h 43m
KLM
Deal found 4/25$695
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 6/66:15 am
BUF
-
BCN
1 stop24h 35m
Delta
Wed 6/1710:55 am
BCN
-
BUF
2 stops19h 04m
Delta
Deal found 4/25$699
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:09 pm
BUF
-
BCN
2 stops15h 01m
Air France
Tue 6/1610:55 am
BCN
-
BUF
1 stop14h 29m
Air France
Deal found 4/25$700
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 10/186:00 am
BUF
-
BCN
1 stop20h 20m
United Airlines
Thu 10/221:15 pm
BCN
-
BUF
2 stops33h 32m
United Airlines
Deal found 4/23$702
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 6/47:55 pm
BUF
-
BCN
2 stops15h 15m
Delta
Tue 6/1610:55 am
BCN
-
BUF
1 stop14h 31m
Delta
Deal found 4/27$709
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:21 am
BUF
-
BCN
2 stops16h 14m
Delta
Thu 8/610:55 am
BCN
-
BUF
1 stop18h 43m
Delta
Deal found 4/26$711

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 April 28, 2026.

Round-trip from

$611
(KLM)

One-way from

$332
(TravelUp)

Popular in

March

Cheapest in

December

Average price

$921
From Buffalo to Barcelona
One-way flight from Buffalo to Barcelona
Highest demand for flights based on searches. 10% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 28, 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 9/22

7:15 pm-3:35 pm

2 stops14h 20m

Barcelona-El Prat

Sun 10/4

10:55 am-11:56 pm

1 stop19h 01m

$631

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/8

7:15 pm-3:35 pm

2 stops14h 20m

Barcelona-El Prat

Wed 10/21

11:00 am-11:05 pm

2 stops18h 05m

$635

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 6/6

6:15 am-12:50 pm

1 stop24h 35m

Barcelona-El Prat

Wed 6/17

10:55 am-11:59 pm

2 stops19h 04m

$699

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 10/18

7:00 am-9:00 am

2 stops20h 00m

Barcelona-El Prat

Thu 10/22

1:15 pm-4:47 pm

2 stops33h 32m

$707
Quickest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 6/4

7:55 pm-5:10 pm

2 stops15h 15m

Barcelona-El Prat

Tue 6/16

6:10 am-3:09 pm

2 stops14h 59m

$736

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 6/10

8:09 pm-5:10 pm

2 stops15h 01m

Barcelona-El Prat

Wed 6/24

6:10 am-12:02 am

2 stops23h 52m

$736

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/1

7:15 pm-5:10 pm

2 stops15h 55m

Barcelona-El Prat

Sat 9/12

6:10 am-7:00 pm

2 stops18h 50m

$752
Cheapest one-way

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 8/16

6:00 am-8:20 am

1 stop20h 20m

$334

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 8/9

6:00 am-8:20 am

1 stop20h 20m

$334

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 5/26

12:04 pm-12:30 pm

2 stops18h 26m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 12 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 April 28, 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

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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 6 different airlines.

  • How long is the flight from Buffalo to Barcelona?

    There are many flights that can get you from Buffalo to Barcelona in 14h 20m. Fly via Delta or United Airlines 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 British Airways, starting at $155 and $466 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Buffalo to Barcelona

Discover the top 6 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$137Average$831FlexibilityNo cancel feeOn-time62%
DeltaCheapest$155Average$880FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$466Average$825FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$582Average$901FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$807Average$879FlexibilityNo cancel feeOn-time71%

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