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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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
1 adult, Economy
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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 June 8, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:30 am
BUF
-
BCN
2 stops21h 35m
SWISS
Wed 9/306:00 am
BCN
-
BUF
2 stops20h 47m
SWISS
Deal found 6/5$697
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Tue 11/36:00 am
BUF
-
BCN
2 stops21h 35m
United Airlines
Fri 11/201:35 pm
BCN
-
BUF
2 stops31h 41m
United Airlines
Deal found 6/7$700
This Expedia deal was found by Cheapflights users on 6/7. 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 11/34:26 pm
BUF
-
BCN
2 stops15h 14m
British Airways
Fri 11/2012:00 pm
BCN
-
BUF
1 stop16h 52m
British Airways
Deal found 6/7$715
This United Airlines deal was found by Cheapflights users on 6/6. 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 9/286:00 am
BUF
-
BCN
1 stop20h 20m
United Airlines
Thu 10/16:40 am
BCN
-
BUF
2 stops22h 31m
United Airlines
Deal found 6/6$721
This KLM deal was found by Cheapflights users on 6/5. 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.
Mon 9/216:59 pm
BUF
-
BCN
1 stop11h 51m
KLM
Wed 9/301:25 pm
BCN
-
BUF
2 stops16h 29m
KLM
Deal found 6/5$723
This American Airlines deal was found by Cheapflights users on 6/7. 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 10/65:26 pm
BUF
-
BCN
2 stops13h 49m
American Airlines
Sat 10/3111:30 am
BCN
-
BUF
1 stop16h 40m
American Airlines
Deal found 6/7$764
This Ovago deal was found by Cheapflights users on 6/5. 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 9/216:00 am
BUF
-
BCN
1 stop21h 00m
Lufthansa
Wed 9/3011:15 am
BCN
-
BUF
1 stop13h 52m
Lufthansa
Deal found 6/5$767
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:30 am
BUF
-
BCN
2 stops21h 35m
SWISS
Sun 9/276:00 am
BCN
-
BUF
2 stops20h 47m
SWISS
Deal found 6/6$770

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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$697
(Cheapflightsfares)

One-way from

$331
(American Airlines)

Popular in

March

Cheapest in

December

Average price

$1,005
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. 11% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 8, 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

Mon 9/28

10:40 am-1:15 pm

1 stop20h 35m

Barcelona-El Prat

Thu 10/1

11:15 am-11:36 pm

1 stop18h 21m

$717
Quickest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 9/21

6:59 pm-12:50 pm

1 stop11h 51m

Barcelona-El Prat

Wed 9/30

1:25 pm-11:54 pm

2 stops16h 29m

$723

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 11/3

4:26 pm-1:40 pm

2 stops15h 14m

Barcelona-El Prat

Fri 11/20

10:35 am-10:52 pm

2 stops18h 17m

$725

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 10/19

10:20 am-8:20 am

1 stop16h 00m

Barcelona-El Prat

Sun 10/25

6:50 am-8:31 pm

2 stops18h 41m

$771

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 9/20

6:55 am-8:00 am

2 stops19h 05m

Barcelona-El Prat

Sun 9/27

12:15 pm-9:29 am

2 stops27h 14m

$774

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 7/21

6:00 am-10:10 pm

2 stops34h 10m

Barcelona-El Prat

Tue 7/28

8:00 am-11:43 pm

2 stops21h 43m

$890

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 7/8

10:44 am-6:45 am

1 stop14h 01m

Barcelona-El Prat

Wed 7/15

10:45 am-9:55 pm

2 stops17h 10m

$915

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 6/25

7:57 pm-6:50 pm

2 stops16h 53m

Barcelona-El Prat

Wed 7/8

11:00 am-11:59 pm

1 stop18h 59m

$930
Cheapest one-way

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 10/23

5:26 pm-1:50 pm

2 stops14h 24m

$381
Quickest one-way

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 10/23

3:50 pm-8:45 am

1 stop10h 55m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 13 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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 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 $496). 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 June 8, 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.
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Delta
7.9
Good
8,396 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
KLM
7.8
Good
1,527 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
United Airlines
7.4
Good
9,781 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
American Airlines
7.1
Good
11,644 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
JetBlue
7.1
Good
2,978 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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 5 different airlines.

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

    For as low as $723, United Airlines can have you in Barcelona-El Prat Airport from Buffalo in 11h 51m. 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 KLM ($513) 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 $496). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Buffalo to Barcelona-El Prat

Discover the top 5 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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$137Average$831FlexibilityNo cancel feeOn-time62%
DeltaCheapest$155Average$880FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$513Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$582Average$782FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$665Average$867FlexibilityNo cancel feeOn-time71%

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