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$355+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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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 February 9, 2026.

This KAYAK deal was found by Cheapflights users on 2/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:38 pm
BUF
-
BCN
1 stop30h 57m
Scandinavian Airlines
Tue 3/179:45 am
BCN
-
BUF
1 stop19h 01m
Scandinavian Airlines
Deal found 2/8$486
This KAYAK deal was found by Cheapflights users on 2/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:38 pm
BUF
-
BCN
1 stop30h 57m
Air Europa
Tue 3/179:30 am
BCN
-
BUF
2 stops18h 25m
Air Europa
Deal found 2/8$490
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Tue 3/245:29 pm
BUF
-
BCN
2 stops19h 06m
United Airlines
Tue 3/311:15 pm
BCN
-
BUF
2 stops37h 28m
United Airlines
Deal found 2/7$515
This KLM deal was found by Cheapflights users on 2/7. 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 3/243:56 pm
BUF
-
BCN
2 stops15h 19m
KLM
Tue 3/313:15 pm
BCN
-
BUF
1 stop14h 59m
KLM
Deal found 2/7$533
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Fri 4/173:01 pm
BUF
-
BCN
2 stops15h 19m
British Airways
Wed 4/2212:50 pm
BCN
-
BUF
1 stop16h 29m
British Airways
Deal found 2/9$546
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 4/62:54 pm
BUF
-
BCN
1 stop11h 26m
United Airlines
Wed 4/151:15 pm
BCN
-
BUF
2 stops37h 28m
United Airlines
Deal found 2/7$556
This United Airlines deal was found by Cheapflights users on 2/8. 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 5/66:04 am
BUF
-
BCN
2 stops19h 56m
United Airlines
Wed 5/131:15 pm
BCN
-
BUF
2 stops33h 39m
United Airlines
Deal found 2/8$560
This oojo deal was found by Cheapflights users on 2/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:23 am
BUF
-
BCN
1 stop13h 22m
British Airways
Wed 4/1510:30 am
BCN
-
BUF
1 stop17h 06m
British Airways
Deal found 2/7$569
This Iberia deal was found by Cheapflights users on 2/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:31 am
BUF
-
BCN
1 stop17h 04m
Iberia
Wed 5/1310:30 am
BCN
-
BUF
1 stop17h 06m
Iberia
Deal found 2/8$572
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/87:30 pm
BUF
-
BCN
2 stops15h 50m
United Airlines
Tue 3/1712:35 pm
BCN
-
BUF
2 stops16h 21m
United Airlines
Deal found 2/8$591

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 February 9, 2026.

Round-trip from

$486
(KAYAK)

One-way from

$355
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$841
From Buffalo to Barcelona
Search Deals
One-way flight from Buffalo to Barcelona
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($207 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 9, 2026.
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

Sun 3/8

7:38 pm-7:35 am

1 stop30h 57m

Barcelona-El Prat

Tue 3/17

9:45 am-11:46 pm

1 stop19h 01m

$486

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 3/24

5:29 pm-5:35 pm

2 stops19h 06m

Barcelona-El Prat

Tue 3/31

1:15 pm-8:43 pm

2 stops37h 28m

$515

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 4/17

3:01 pm-12:20 pm

2 stops15h 19m

Barcelona-El Prat

Wed 4/22

12:50 pm-11:19 pm

1 stop16h 29m

$546

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 5/6

6:04 am-8:00 am

2 stops19h 56m

Barcelona-El Prat

Wed 5/13

1:15 pm-4:54 pm

2 stops33h 39m

$560

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 4/6

5:59 pm-4:25 pm

2 stops16h 26m

Barcelona-El Prat

Wed 4/15

4:35 pm-5:12 pm

2 stops30h 37m

$569

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 3/8

7:30 pm-4:20 pm

2 stops15h 50m

Barcelona-El Prat

Tue 3/17

12:35 pm-11:56 pm

2 stops16h 21m

$591

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 3/24

12:07 pm-7:35 am

1 stop14h 28m

Barcelona-El Prat

Tue 3/31

11:00 am-11:46 pm

1 stop18h 46m

$597

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 5/7

6:00 am-9:45 am

1 stop21h 45m

Barcelona-El Prat

Wed 5/13

12:50 pm-10:57 pm

1 stop16h 07m

$604

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 7/23

6:00 am-8:00 am

2 stops20h 00m

$386

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 5/13

5:50 pm-2:25 pm

2 stops38h 35m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 14 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, August is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $162). Flying from Buffalo to Barcelona in July is currently the most expensive (average of $773). 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 February 9, 2026.
Read reviews from past customers who have flown KLM, United Airlines, and American 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.
KLM
7.7
Good
1,450 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,450 reviews
KLM
7.7
Good
1,450 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,259 reviews
KLM
7.7
Good
1,450 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
American Airlines
7.2
Good
11,258 reviews
KLM
7.7
Good
1,450 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,723 reviews
KLM
7.7
Good
1,450 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 4 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 19m. Fly via Scandinavian Airlines, United Airlines, 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 British Airways. Our recent data shows that you can find tickets from as low as $466 on this airline. Additional options worth looking into are KLM and United Airlines, starting at $513 and $559 round-trip. British Airways is currently priced 49% 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, August is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $162). Flying from Buffalo to Barcelona in July is currently the most expensive (average of $773). 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 4 airlines flying from Buffalo to Barcelona

Discover the top 4 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$466Average$894FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$559Average$782FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$807Average$882FlexibilityNo cancel feeOn-time71%

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