Barcelona-El Prat

$332+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
May 28 — Jun 41
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Cheap 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 April 28, 2026.

This KLM deal was found by Cheapflights users on 4/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:50 pm
BUF
-
BCN
1 stop10h 55m
KLM
Wed 10/2110:55 am
BCN
-
BUF
1 stop18h 55m
KLM
Deal found 4/26$611
This Virgin Atlantic deal was found by Cheapflights users on 4/26. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:15 am
BUF
-
BCN
2 stops15h 20m
Virgin Atlantic
Wed 10/2111:00 am
BCN
-
BUF
2 stops18h 05m
Virgin Atlantic
Deal found 4/26$616
This KLM deal was found by Cheapflights users on 4/23. 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 9/227:15 pm
BUF
-
BCN
2 stops14h 20m
Multiple Airlines
Sun 10/410:55 am
BCN
-
BUF
1 stop19h 01m
Multiple Airlines
Deal found 4/23$631
This Delta deal was found by Cheapflights users on 4/25. 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.
Thu 10/87:15 pm
BUF
-
BCN
2 stops14h 20m
Delta
Wed 10/2111:00 am
BCN
-
BUF
2 stops18h 05m
Delta
Deal found 4/25$635
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:50 pm
BUF
-
BCN
1 stop10h 55m
Delta
Thu 8/610:55 am
BCN
-
BUF
1 stop18h 43m
Delta
Deal found 4/26$693
This KLM deal was found by Cheapflights users on 4/25. 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.
Sat 6/66:15 am
BUF
-
BCN
1 stop24h 35m
KLM
Wed 6/1710:55 am
BCN
-
BUF
1 stop19h 43m
KLM
Deal found 4/25$695
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 6/66:15 am
BUF
-
BCN
1 stop24h 35m
Delta
Wed 6/1710:55 am
BCN
-
BUF
2 stops19h 04m
Delta
Deal found 4/25$699
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:09 pm
BUF
-
BCN
2 stops15h 01m
Air France
Tue 6/1610:55 am
BCN
-
BUF
1 stop14h 29m
Air France
Deal found 4/25$700
This United Airlines deal was found by Cheapflights users on 4/23. 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 10/186:00 am
BUF
-
BCN
1 stop20h 20m
United Airlines
Thu 10/221:15 pm
BCN
-
BUF
2 stops33h 32m
United Airlines
Deal found 4/23$702
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 6/47:55 pm
BUF
-
BCN
2 stops15h 15m
Delta
Tue 6/1610:55 am
BCN
-
BUF
1 stop14h 31m
Delta
Deal found 4/27$709
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:21 am
BUF
-
BCN
2 stops16h 14m
Delta
Thu 8/610:55 am
BCN
-
BUF
1 stop18h 43m
Delta
Deal found 4/26$711

Find 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$611
(KLM)

One-way from

$332
(TravelUp)

Popular in

March

Cheapest in

December

Average price

$921
Provider with most accurate pricing for Buffalo-Barcelona-El Prat flight deals.
Provider most trusted by Cheapflights users for Buffalo-Barcelona-El Prat flights.
From Buffalo to Barcelona-El Prat
One-way flight from Buffalo to Barcelona-El Prat
Highest demand for flights based on searches. 10% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 28, 2026.
Use the filters below to find and compare flights from Buffalo to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/22

7:15 pm-3:35 pm

2 stops14h 20m

Barcelona-El Prat

Sun 10/4

10:55 am-11:56 pm

1 stop19h 01m

$631

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/8

7:15 pm-3:35 pm

2 stops14h 20m

Barcelona-El Prat

Wed 10/21

11:00 am-11:05 pm

2 stops18h 05m

$635

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 6/6

7:55 pm-5:10 pm

2 stops15h 15m

Barcelona-El Prat

Wed 6/17

10:55 am-11:59 pm

2 stops19h 04m

$713

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 10/18

5:50 pm-1:15 pm

1 stop13h 25m

Barcelona-El Prat

Thu 10/22

11:15 am-11:26 pm

1 stop18h 11m

$717
Quickest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 6/4

7:55 pm-5:10 pm

2 stops15h 15m

Barcelona-El Prat

Tue 6/16

6:10 am-3:09 pm

2 stops14h 59m

$736

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 6/10

8:09 pm-5:10 pm

2 stops15h 01m

Barcelona-El Prat

Wed 6/24

6:10 am-12:02 am

2 stops23h 52m

$736

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/1

7:15 pm-5:10 pm

2 stops15h 55m

Barcelona-El Prat

Sat 9/12

6:10 am-7:00 pm

2 stops18h 50m

$752

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 7/2

7:57 pm-6:50 pm

2 stops16h 53m

Barcelona-El Prat

Thu 7/9

6:10 am-3:07 pm

2 stops14h 57m

$760

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 5/27

3:52 pm-2:50 pm

2 stops16h 58m

Barcelona-El Prat

Mon 6/1

9:20 am-3:12 pm

2 stops35h 52m

$801
Cheapest one-way
Quickest one-way

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 8/16

3:08 pm-8:20 am

1 stop11h 12m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, December is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $533). Flying from Buffalo to Barcelona-El Prat Airport in March is currently the most expensive (average of $1,252). 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-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 April 28, 2026.
Get a feel of what it's like to fly with Delta,KLM, andUnited Airlines 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.

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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-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 6 different airlines.

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

    For as low as $717, Delta can have you in Barcelona-El Prat Airport from Buffalo in 13h 25m. 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, JetBlue ($137), Delta ($155), and British Airways ($466) offers the cheapest pricing from Buffalo to Barcelona-El Prat Airport. JetBlue is priced at 84% 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, December is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $533). Flying from Buffalo to Barcelona-El Prat Airport in March is currently the most expensive (average of $1,252). 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
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Top 6 airlines flying from Buffalo to Barcelona-El Prat

Discover the top 6 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$137Average$831FlexibilityNo cancel feeOn-time62%
DeltaCheapest$155Average$880FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$466Average$825FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$582Average$901FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$807Average$879FlexibilityNo cancel feeOn-time71%

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