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$325+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$580
(Booking.com)

One-way from

$325
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,121
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 ($306 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 July 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 July 30, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. 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 9/278:20 amBUF - BCN
2 stops41h 30mAir Canada
Fri 10/101:15 pmBCN - BUF
2 stops50h 38mAir Canada
Deal found 7/29$580
This lol.travel deal was found by Cheapflights users on 7/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:05 amBUF - BCN
1 stop24h 10mUnited Airlines
Wed 9/173:15 pmBCN - BUF
1 stop24h 38mUnited Airlines
Deal found 7/28$584
This Travelocity deal was found by Cheapflights users on 7/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:49 pmBUF - BCN
2 stops35h 16mBritish Airways
Tue 10/2110:45 amBCN - BUF
1 stop18h 50mBritish Airways
Deal found 7/30$593
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:54 pmBUF - BCN
2 stops31h 56mMultiple Airlines
Mon 9/294:25 pmBCN - BUF
2 stops36h 17mMultiple Airlines
Deal found 7/28$603
This American Airlines deal was found by Cheapflights users on 7/30. 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 10/76:00 amBUF - BCN
1 stop21h 05mAmerican Airlines
Tue 10/2110:45 amBCN - BUF
1 stop18h 50mAmerican Airlines
Deal found 7/30$613
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:34 pmBUF - BCN
2 stops14h 51mDelta
Fri 9/199:00 amBCN - BUF
1 stop12h 08mDelta
Deal found 7/29$773
This KLM deal was found by Cheapflights users on 7/29. 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.
Fri 9/127:00 amBUF - BCN
1 stop17h 00mKLM
Fri 9/199:00 amBCN - BUF
1 stop21h 21mKLM
Deal found 7/29$792
This Virgin Atlantic deal was found by Cheapflights users on 7/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:00 amBUF - BCN
1 stop22h 55mVirgin Atlantic
Mon 9/292:10 pmBCN - BUF
1 stop16h 11mVirgin Atlantic
Deal found 7/28$831
This CrystalTravel deal was found by Cheapflights users on 7/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:00 amBUF - BCN
2 stops21h 35mTAP AIR PORTUGAL
Fri 10/1011:25 amBCN - BUF
2 stops27h 28mTAP AIR PORTUGAL
Deal found 7/29$869

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 July 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

Sat 9/27

8:20 am-7:50 am

2 stops41h 30m

Barcelona-El Prat

Fri 10/10

1:15 pm-9:53 am

2 stops50h 38m

$580

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 9/10

7:05 am-1:15 pm

1 stop24h 10m

Barcelona-El Prat

Wed 9/17

3:15 pm-9:53 am

1 stop24h 38m

$584

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/7

6:49 pm-12:05 pm

2 stops35h 16m

Barcelona-El Prat

Tue 10/21

10:45 am-11:35 pm

1 stop18h 50m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 9/20

5:54 pm-7:50 am

2 stops31h 56m

Barcelona-El Prat

Mon 9/29

4:25 pm-10:42 pm

2 stops36h 17m

$603

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/7

6:00 am-9:05 am

1 stop21h 05m

Barcelona-El Prat

Tue 10/21

10:45 am-11:35 pm

1 stop18h 50m

$613

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 9/12

7:34 pm-4:25 pm

2 stops14h 51m

Barcelona-El Prat

Fri 9/19

9:00 am-3:08 pm

1 stop12h 08m

$773

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 9/12

7:00 am-6:00 am

1 stop17h 00m

Barcelona-El Prat

Fri 9/19

9:00 am-12:21 am

1 stop21h 21m

$792

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 9/20

7:00 am-11:55 am

1 stop22h 55m

Barcelona-El Prat

Mon 9/29

2:10 pm-12:21 am

1 stop16h 11m

$831

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/7

7:00 am-10:35 am

2 stops21h 35m

Barcelona-El Prat

Fri 10/10

11:25 am-8:53 am

2 stops27h 28m

$869

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 10/24

7:22 pm-1:10 am

2 stops47h 48m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 18 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, January is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $523). Flying from Buffalo to Barcelona in June is currently the most expensive (average of $1,057). 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 July 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% 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 July 30, 2025.
Read reviews from past customers who have flown Delta, KLM, and United 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.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

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.
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

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.
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

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.
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

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.
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

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 5 different airlines.

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

    Our cheapest airline available from Buffalo to Barcelona is Air Canada. Our recent data shows that you can find tickets from as low as $580 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $584 and $593 round-trip. Air Canada is currently priced 38% 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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $425. However, be on the lookout for offers from Lufthansa and United Airlines, 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, January is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $523). Flying from Buffalo to Barcelona in June is currently the most expensive (average of $1,057). 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 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$560Average$804FlexibilityNo cancel feeOn-time69%
DeltaCheapest$601Average$819FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$610Average$910FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$619Average$1,148FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$700Average$904FlexibilityNo cancel feeOn-time70%

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