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$305+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$535
(United Airlines)

One-way from

$305
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,058
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 September 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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/132:50 pmBUF - BCN
2 stops35h 00mUnited Airlines
Tue 10/2112:10 pmBCN - BUF
2 stops34h 43mUnited Airlines
Deal found 9/14$535
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:51 pmBUF - BCN
1 stop32h 09mMultiple Airlines
Fri 10/109:00 amBCN - BUF
1 stop12h 10mMultiple Airlines
Deal found 9/14$548
This lol.travel deal was found by Cheapflights users on 9/12. 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.
Tue 10/2812:15 pmBUF - BCN
1 stop15h 45mUnited Airlines
Tue 11/43:05 pmBCN - BUF
1 stop31h 43mUnited Airlines
Deal found 9/12$555
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:15 amBUF - BCN
2 stops17h 45mDelta
Fri 10/109:00 amBCN - BUF
1 stop20h 56mDelta
Deal found 9/14$557
This Flysmarter deal was found by Cheapflights users on 9/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 amBUF - BCN
3 stops20h 35mMultiple Airlines
Tue 11/41:35 pmBCN - BUF
2 stops26h 28mMultiple Airlines
Deal found 9/12$575
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:15 amBUF - BCN
1 stop14h 45mVirgin Atlantic
Tue 11/410:15 amBCN - BUF
1 stop19h 28mVirgin Atlantic
Deal found 9/12$578

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 September 15, 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

Mon 10/13

2:50 pm-7:50 am

2 stops35h 00m

Barcelona-El Prat

Tue 10/21

12:10 pm-4:53 pm

2 stops34h 43m

$535

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/30

3:51 pm-6:00 am

1 stop32h 09m

Barcelona-El Prat

Fri 10/10

9:00 am-3:10 pm

1 stop12h 10m

$548

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/28

5:40 pm-1:10 pm

1 stop14h 30m

Barcelona-El Prat

Tue 11/4

3:05 pm-1:17 pm

1 stop28h 12m

$559

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/28

7:00 am-8:35 am

3 stops20h 35m

Barcelona-El Prat

Tue 11/4

6:50 am-9:00 pm

3 stops20h 10m

$592

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 10/13

7:00 am-6:00 am

1 stop17h 00m

Barcelona-El Prat

Tue 10/21

6:20 am-6:50 pm

2 stops18h 30m

$594

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 10/29

12:15 pm-9:00 am

1 stop15h 45m

Barcelona-El Prat

Wed 11/5

6:30 pm-10:58 pm

2 stops34h 28m

$595

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/28

7:00 am-8:35 am

3 stops20h 35m

Barcelona-El Prat

Tue 11/4

1:35 pm-9:48 am

2 stops26h 13m

$597

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/9

12:15 pm-12:55 am

3 stops30h 40m

$305

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/9

10:28 am-9:00 am

2 stops16h 32m

$509

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/9

7:00 am-6:00 am

1 stop17h 00m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 15 results
1
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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, 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 $1,059). 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 September 15, 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.

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 September 15, 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
8,931 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 35h. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 3970 mi.

  • 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 $582 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 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 United Airlines, with whom users have recently found tickets for as low as $509. However, be on the lookout for offers from KLM and TAP AIR PORTUGAL, 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 $1,059). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$582Average$782FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$697Average$1,077FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$807Average$1,058FlexibilityNo cancel feeOn-time71%

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