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Barcelona-El Prat

$477+ Cheap flights from Buffalo (BUF) to Barcelona-El Prat (BCN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
févr. 26 — mars 51
jeu. 2/26
jeu. 3/5
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 janvier 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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.
mar. 4/77:45 pm
BUF
-
BCN
1 stop30h 35m
United Airlines
jeu. 4/1611:15 am
BCN
-
BUF
2 stops18h 18m
United Airlines
Deal found 1/27$477
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/2511:23 am
BUF
-
BCN
2 stops17h 47m
British Airways
dim. 3/86:40 am
BCN
-
BUF
2 stops21h 05m
British Airways
Deal found 1/26$482
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/1011:23 am
BUF
-
BCN
1 stop15h 37m
American Airlines
mar. 3/176:10 pm
BCN
-
BUF
1 stop20h 37m
American Airlines
Deal found 1/25$485
This Virgin Atlantic deal was found by Cheapflights users on 1/26. 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.
mer. 2/256:00 am
BUF
-
BCN
1 stop20h 40m
Virgin Atlantic
dim. 3/810:15 am
BCN
-
BUF
1 stop14h 01m
Virgin Atlantic
Deal found 1/26$535
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/85:21 pm
BUF
-
BCN
2 stops14h 54m
American Airlines
lun. 4/136:30 pm
BCN
-
BUF
1 stop22h 46m
American Airlines
Deal found 1/26$537
This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/276:00 am
BUF
-
BCN
2 stops35h 45m
Multiple Airlines
lun. 3/26:45 am
BCN
-
BUF
2 stops22h 47m
Multiple Airlines
Deal found 1/25$561
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/257:00 am
BUF
-
BCN
2 stops20h 00m
United Airlines
dim. 3/110:30 am
BCN
-
BUF
1 stop33h 43m
United Airlines
Deal found 1/25$571
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/277:00 am
BUF
-
BCN
2 stops25h 15m
United Airlines
lun. 3/211:00 am
BCN
-
BUF
1 stop12h 50m
United Airlines
Deal found 1/25$575
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/127:00 am
BUF
-
BCN
2 stops20h 20m
Air Canada
ven. 8/211:15 pm
BCN
-
BUF
2 stops37h 16m
Air Canada
Deal found 1/25$598

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 janvier 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$477
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$763
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
Highest demand for flights based on searches. 16% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 janvier 27, 2026.
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

mar. 4/7

7:45 pm-8:20 am

1 stop30h 35m

Barcelona-El Prat

jeu. 4/16

11:15 am-11:33 pm

2 stops18h 18m

$477

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mar. 3/10

4:04 pm-11:55 am

2 stops14h 51m

Barcelona-El Prat

mar. 3/17

11:30 am-10:45 pm

1 stop16h 15m

$490

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mer. 4/8

6:42 pm-12:50 pm

1 stop12h 08m

Barcelona-El Prat

lun. 4/13

11:00 am-11:35 pm

1 stop18h 35m

$535

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

ven. 2/27

6:00 am-11:45 pm

2 stops35h 45m

Barcelona-El Prat

lun. 3/2

6:45 am-11:32 pm

2 stops22h 47m

$562

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mer. 2/25

7:00 am-9:00 am

2 stops20h 00m

Barcelona-El Prat

dim. 3/1

10:30 am-7:06 pm

1 stop14h 36m

$571

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

ven. 2/27

7:00 am-2:15 pm

2 stops25h 15m

Barcelona-El Prat

lun. 3/2

11:00 am-5:50 pm

1 stop12h 50m

$575

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

dim. 5/3

11:50 am-8:45 am

1 stop14h 55m

Barcelona-El Prat

dim. 5/10

10:55 am-7:00 pm

1 stop14h 05m

$630

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

jeu. 2/12

12:31 pm-1:20 pm

2 stops18h 49m

Barcelona-El Prat

mar. 2/17

6:40 am-10:49 pm

2 stops22h 09m

$695

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mer. 2/25

6:01 pm-7:45 pm

2 stops19h 44m

Barcelona-El Prat

dim. 3/1

9:20 pm-10:49 pm

2 stops31h 29m

$699

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

dim. 4/5

11:23 am-6:45 am

1 stop13h 22m

Barcelona-El Prat

sam. 4/11

7:20 pm-9:30 pm

2 stops32h 10m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 19 results
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 January.
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, August is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $162). Flying from Buffalo to Barcelona-El Prat Airport in July is currently the most expensive (average of $773). 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.

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 janvier 27, 2026.
Get a feel of what it's like to fly with KLM, United Airlines, and American 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.
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,206 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
American Airlines
7.2
Good
11,198 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,702 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 4 different airlines.

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

    For as low as $535, United Airlines can have you in Barcelona-El Prat Airport from Buffalo in 12h 08m. 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, British Airways ($466), KLM ($513), and United Airlines ($559) offers the cheapest pricing from Buffalo to Barcelona-El Prat Airport. British Airways is priced at 47% 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, August is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $162). Flying from Buffalo to Barcelona-El Prat Airport in July is currently the most expensive (average of $773). 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

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Top 4 airlines flying from Buffalo to Barcelona-El Prat

Discover the top 4 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 janvier 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$466Average$894FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$559Average$782FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$807Average$882FlexibilityNo cancel feeOn-time71%

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