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Barcelona-El Prat

$272+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This JetBlue deal was found by Cheapflights users on 3/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 am
BUF
-
BCN
1 stop20h 45m
JetBlue
Wed 5/1312:50 pm
BCN
-
BUF
1 stop16h 07m
JetBlue
Deal found 3/6$602
This United Airlines deal was found by Cheapflights users on 3/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:50 am
BUF
-
BCN
2 stops15h 30m
United Airlines
Thu 12/101:35 pm
BCN
-
BUF
2 stops33h 12m
United Airlines
Deal found 3/5$620
This KLM deal was found by Cheapflights users on 3/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:09 pm
BUF
-
BCN
1 stop18h 41m
KLM
Tue 4/283:15 pm
BCN
-
BUF
1 stop15h 35m
KLM
Deal found 3/7$627
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:53 pm
BUF
-
BCN
2 stops17h 42m
Delta
Tue 4/283:15 pm
BCN
-
BUF
1 stop15h 35m
Delta
Deal found 3/7$631
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/217:00 am
BUF
-
BCN
2 stops20h 00m
United Airlines
Tue 4/2811:15 am
BCN
-
BUF
2 stops18h 18m
United Airlines
Deal found 3/7$632
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:09 pm
BUF
-
BCN
2 stops14h 51m
Delta
Wed 4/296:20 am
BCN
-
BUF
2 stops23h 17m
Delta
Deal found 3/8$636
This Iberia deal was found by Cheapflights users on 3/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:01 pm
BUF
-
BCN
2 stops16h 59m
Iberia
Wed 4/299:15 am
BCN
-
BUF
2 stops18h 21m
Iberia
Deal found 3/9$647
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:49 am
BUF
-
BCN
1 stop18h 21m
American Airlines
Wed 4/2910:30 am
BCN
-
BUF
1 stop17h 06m
American Airlines
Deal found 3/8$666
This oojo deal was found by Cheapflights users on 3/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:01 pm
BUF
-
BCN
1 stop13h 54m
British Airways
Wed 5/610:30 am
BCN
-
BUF
1 stop17h 06m
British Airways
Deal found 3/7$671
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/285:02 pm
BUF
-
BCN
2 stops14h 13m
American Airlines
Wed 5/610:30 am
BCN
-
BUF
1 stop17h 06m
American Airlines
Deal found 3/7$673
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
BUF
-
BCN
1 stop20h 20m
United Airlines
Wed 9/211:15 am
BCN
-
BUF
1 stop18h 37m
United Airlines
Deal found 3/8$676

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$602
(JetBlue)

One-way from

$272
(SmartFares)

Popular in

March

Cheapest in

December

Average price

$1,296
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 ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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 8/17

6:00 am-8:20 am

1 stop20h 20m

Barcelona-El Prat

Wed 9/2

11:15 am-11:52 pm

1 stop18h 37m

$676

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 8/17

3:50 pm-12:30 pm

2 stops14h 40m

Barcelona-El Prat

Wed 9/2

9:20 am-7:00 pm

2 stops15h 40m

$690

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 8/17

5:26 pm-2:00 pm

2 stops14h 34m

Barcelona-El Prat

Wed 9/2

9:15 am-8:09 pm

2 stops16h 54m

$696

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 4/24

11:49 am-12:10 pm

1 stop18h 21m

Barcelona-El Prat

Fri 5/1

6:40 pm-2:21 pm

2 stops25h 41m

$721

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 5/17

11:02 am-8:00 am

2 stops38h 58m

Barcelona-El Prat

Sun 5/24

1:15 pm-9:03 pm

2 stops37h 48m

$779

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 5/16

11:02 am-8:00 am

2 stops38h 58m

Barcelona-El Prat

Sun 5/24

1:15 pm-4:46 pm

2 stops33h 31m

$779

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 9/3

11:15 am-9:00 am

2 stops15h 45m

Barcelona-El Prat

Fri 9/11

10:55 am-11:56 pm

1 stop19h 01m

$790

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 9/3

11:15 am-9:00 am

2 stops15h 45m

Barcelona-El Prat

Wed 9/9

6:20 am-7:00 pm

2 stops18h 40m

$795
Quickest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 8/20

4:30 pm-12:50 pm

1 stop14h 20m

Barcelona-El Prat

Mon 9/14

10:55 am-7:00 pm

1 stop14h 05m

$836

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 9/3

11:15 am-9:00 am

2 stops15h 45m

Barcelona-El Prat

Sat 9/12

12:20 pm-11:56 pm

2 stops17h 36m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 March.
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 $157). Flying from Buffalo to Barcelona-El Prat Airport in May is currently the most expensive (average of $788). 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 March 10, 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
8,276 reviews

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
Delta
7.9
Good
8,276 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
KLM
7.8
Good
1,468 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
United Airlines
7.4
Good
9,409 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
American Airlines
7.1
Good
11,414 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
British Airways
6.7
Okay
7,781 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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 $690, United Airlines can have you in Barcelona-El Prat Airport from Buffalo in 14h 40m. 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 $157). Flying from Buffalo to Barcelona-El Prat Airport in May is currently the most expensive (average of $788). 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$137Average$788FlexibilityNo cancel feeOn-time62%
DeltaCheapest$155Average$880FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$466Average$894FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$582Average$826FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$807Average$879FlexibilityNo cancel feeOn-time71%

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