HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$359+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Barcelona with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 10, 2025.

This FlightHub deal was found by Cheapflights users on 12/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:48 pmBUF - BCN
1 stop30h 32mMultiple Airlines
Mon 1/51:35 pmBCN - BUF
2 stops36h 54mMultiple Airlines
Deal found 12/8$1,497
This Ovago deal was found by Cheapflights users on 12/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:48 pmBUF - BCN
1 stop30h 32mLufthansa
Mon 1/511:55 amBCN - BUF
2 stops35h 45mLufthansa
Deal found 12/9$1,564
This Air Canada deal was found by Cheapflights users on 12/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:30 amBUF - BCN
2 stops21h 05mAir Canada
Mon 1/51:35 pmBCN - BUF
2 stops57h 09mAir Canada
Deal found 12/8$1,886
This Delta deal was found by Cheapflights users on 12/10. 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.
Mon 12/296:54 pmBUF - BCN
2 stops18h 11mDelta
Mon 1/510:15 amBCN - BUF
1 stop20h 01mDelta
Deal found 12/10$2,068
This Delta deal was found by Cheapflights users on 12/10. 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.
Sun 12/213:49 pmBUF - BCN
1 stop10h 11mDelta
Fri 1/26:00 amBCN - BUF
2 stops23h 43mDelta
Deal found 12/10$2,624
This KLM deal was found by Cheapflights users on 12/10. 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.
Sun 12/213:49 pmBUF - BCN
1 stop10h 11mKLM
Fri 1/210:15 amBCN - BUF
1 stop19h 28mKLM
Deal found 12/10$2,935

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 December 10, 2025.

Round-trip from

$472
(oojo)

One-way from

$359
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$766
From Buffalo to Barcelona
Search Deals
One-way flight from Buffalo to Barcelona
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 10, 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

Fri 1/30

5:16 pm-4:30 pm

2 stops17h 14m

Barcelona-El Prat

Wed 2/4

12:30 pm-10:55 pm

1 stop16h 25m

$472

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 1/11

6:00 am-9:00 am

1 stop21h 00m

Barcelona-El Prat

Sun 1/25

12:30 pm-3:34 pm

1 stop33h 04m

$475

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 2/6

11:22 am-1:40 pm

2 stops20h 18m

Barcelona-El Prat

Tue 2/10

6:40 am-11:48 pm

2 stops23h 08m

$482

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 2/6

7:10 am-8:00 am

1 stop18h 50m

Barcelona-El Prat

Tue 2/10

10:15 am-7:02 pm

1 stop14h 47m

$484

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 1/20

11:50 am-9:00 am

1 stop15h 10m

Barcelona-El Prat

Tue 1/27

10:40 am-9:06 pm

1 stop16h 26m

$484

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 1/30

6:00 am-9:00 am

1 stop21h 00m

Barcelona-El Prat

Wed 2/4

10:40 am-9:06 pm

1 stop16h 26m

$484

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 1/11

5:44 pm-3:00 pm

2 stops15h 16m

Barcelona-El Prat

Sun 1/25

11:10 am-2:58 pm

2 stops33h 48m

$578

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 3/14

7:56 pm-3:00 pm

2 stops14h 04m

Barcelona-El Prat

Sat 3/21

1:00 pm-10:57 am

2 stops26h 57m

$599

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 1/24

12:29 pm-1:20 pm

2 stops42h 51m

$359

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 1/24

6:00 am-8:40 am

1 stop20h 40m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 16 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 April is currently the most expensive (average of $851). 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 December 10, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% 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 December 10, 2025.
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
1,432 reviews

Comfort

7.6

Crew

8.3

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews

Comfort

7.6

Crew

8.3

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,093 reviews
KLM
7.7
Good
1,432 reviews

Comfort

7.6

Crew

8.3

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
American Airlines
7.2
Good
11,048 reviews
KLM
7.7
Good
1,432 reviews

Comfort

7.6

Crew

8.3

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,573 reviews
KLM
7.7
Good
1,432 reviews

Comfort

7.6

Crew

8.3

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 17h 14m. Fly via British Airways or American 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 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 48% 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 April is currently the most expensive (average of $851). 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 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$466Average$894FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$559Average$782FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$821Average$902FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.