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Barcelona-El Prat

$331+ Cheap flights from Buffalo (BUF) to Barcelona-El Prat (BCN)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Buffalo to Barcelona-El Prat

Cheapest flights from Buffalo to Barcelona-El Prat
Explore the most affordable flight options available from Buffalo to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:27 pmBUF - BCN
1 stop11h 33mBritish Airways
Tue 12/25:00 pmBCN - BUF
2 stops35h 51mBritish Airways
Deal found 10/28$531
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:05 pmBUF - BCN
2 stops17h 05mDelta
Tue 12/212:15 pmBCN - BUF
2 stops18h 01mDelta
Deal found 10/28$599
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:40 pmBUF - BCN
2 stops33h 55mMultiple Airlines
Tue 12/21:50 pmBCN - BUF
3 stops29h 22mMultiple Airlines
Deal found 10/28$612
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:50 amBUF - BCN
3 stops19h 05mAir Canada
Tue 12/21:50 pmBCN - BUF
3 stops29h 22mAir Canada
Deal found 10/28$669
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:52 pmBUF - BCN
2 stops18h 23mUnited Airlines
Fri 11/286:50 amBCN - BUF
2 stops20h 10mUnited Airlines
Deal found 10/27$674
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:35 amBUF - BCN
1 stop15h 25mAmerican Airlines
Tue 12/212:30 pmBCN - BUF
1 stop16h 19mAmerican Airlines
Deal found 10/28$690
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 11/1911:19 amBUF - BCN
2 stops18h 56mDelta
Fri 11/2810:15 amBCN - BUF
1 stop19h 44mDelta
Deal found 10/27$748
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:27 pmBUF - BCN
1 stop11h 33mBritish Airways
Fri 11/2812:30 pmBCN - BUF
1 stop12h 05mBritish Airways
Deal found 10/27$888
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amBUF - BCN
2 stops21h 35mMultiple Airlines
Fri 11/285:50 amBCN - BUF
3 stops21h 10mMultiple Airlines
Deal found 10/27$1,001
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:40 pmBUF - BCN
2 stops38h 35mUnited Airlines
Sun 11/3011:55 amBCN - BUF
2 stops36h 51mUnited Airlines
Deal found 10/26$1,111
This United deal was found by Cheapflights users on 10/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:20 pmBUF - BCN
1 stop31h 40mMultiple Airlines
Sun 11/301:35 pmBCN - BUF
2 stops53h 37mMultiple Airlines
Deal found 10/26$1,178

Cheap flight deals from Buffalo to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Barcelona-El Prat (BCN). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$513
(Delta)

One-way from

$331
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,053
Provider with most accurate pricing for Buffalo-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Barcelona-El Prat flights.
Search Deals
From Buffalo to Barcelona-El Prat
Search Deals
One-way flight from Buffalo to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($309 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Barcelona-El Prat 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 October 28, 2025.
Use the filters below to find and compare flights from Buffalo to Barcelona-El Prat Airport that are best for you.

Fly from

Buffalo

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 1/7

11:51 am-11:10 am

2 stops17h 19m

Barcelona-El Prat

Wed 2/18

10:55 am-11:07 pm

2 stops18h 12m

$517

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 11/25

3:27 pm-9:00 am

1 stop11h 33m

Barcelona-El Prat

Tue 12/2

5:00 pm-10:51 pm

2 stops35h 51m

$531

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 1/7

7:00 am-8:50 am

2 stops19h 50m

Barcelona-El Prat

Mon 2/16

1:00 pm-11:49 pm

2 stops16h 49m

$568

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

Wed 2/18

10:55 am-11:57 pm

1 stop19h 02m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

Tue 2/17

10:15 am-11:49 pm

1 stop19h 34m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 1/10

7:45 pm-5:00 pm

2 stops15h 15m

Barcelona-El Prat

Fri 2/20

10:15 am-6:51 pm

1 stop14h 36m

$593

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 1/6

3:38 pm-3:00 pm

2 stops17h 22m

Barcelona-El Prat

Fri 2/20

10:15 am-6:51 pm

1 stop14h 36m

$624

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 1/8

8:30 am-2:15 pm

2 stops23h 45m

Barcelona-El Prat

Wed 2/18

11:00 am-5:50 pm

1 stop12h 50m

$641

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 1/9

8:30 am-2:15 pm

2 stops23h 45m

Barcelona-El Prat

Wed 2/18

11:00 am-5:50 pm

1 stop12h 50m

$641

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 11/15

7:12 pm-9:45 pm

3 stops44h 33m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 results
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Compare providers for flights from Buffalo to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Barcelona-El Prat in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Barcelona-El Prat Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Barcelona-El Prat Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buffalo-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Barcelona-El Prat Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat 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-El Prat Airport

What is the cheapest month to book a flight from Buffalo to Barcelona-El Prat Airport?

Currently, November is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $532). Flying from Buffalo to Barcelona-El Prat Airport in April is currently the most expensive (average of $852). 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-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Buffalo to Barcelona-El Prat Airport by exploring options for tickets in the morning.

How much does it cost to fly round-trip from Buffalo to Barcelona-El Prat Airport?

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated October 28, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and British Airways from Buffalo to Barcelona-El Prat Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,996 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,033 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,481 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Barcelona-El Prat. 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-El Prat?

    Located just 8.3 mi from the city center, Buffalo is the airport most travelers will use when flying to Barcelona-El Prat from Buffalo. Booking flights from Buffalo (BUF) to Barcelona-El Prat should be relatively easy as there are 0 daily outbound flights to Barcelona-El Prat from 3 different airlines.

  • How long is the flight from Buffalo to Barcelona-El Prat Airport?

    For as low as $531, Delta can have you in Barcelona-El Prat Airport from Buffalo in 11h 33m. The distance between Buffalo and Barcelona-El Prat Airport is about 3970 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, United Airlines ($559), British Airways ($697), and American Airlines ($807) offers the cheapest pricing from Buffalo to Barcelona-El Prat Airport. United Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Buffalo to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Buffalo to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Barcelona-El Prat?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Barcelona-El Prat.

  • Can I find deals for business class flights from Buffalo to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Buffalo to Barcelona-El Prat 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-El Prat Airport?

    Currently, November is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $532). Flying from Buffalo to Barcelona-El Prat Airport in April is currently the most expensive (average of $852). 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

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Buffalo to Barcelona-El Prat

Discover the top 3 airlines that operate flights from Buffalo to Barcelona-El Prat. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$559Average$774FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$697Average$904FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$807Average$955FlexibilityNo cancel feeOn-time71%

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