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Barcelona-El Prat

$323+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
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 July 30, 2026.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 12/3110:20 am
BUF
-
BCN
1 stop16h 40m
United Airlines
Thu 1/141:35 pm
BCN
-
BUF
2 stops39h 02m
United Airlines
Deal found 7/29$747
This Air France deal was found by Cheapflights users on 7/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3112:09 pm
BUF
-
BCN
1 stop14h 31m
Air France
Thu 1/1410:30 am
BCN
-
BUF
1 stop19h 20m
Air France
Deal found 7/29$767
This Flighttix deal was found by Cheapflights users on 7/25. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 am
BUF
-
BCN
2 stops23h 50m
Virgin Atlantic
Tue 9/83:15 pm
BCN
-
BUF
2 stops25h 11m
Virgin Atlantic
Deal found 7/25$799
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BUF
-
BCN
2 stops34h 10m
Multiple Airlines
Tue 9/18:00 am
BCN
-
BUF
2 stops22h 08m
Multiple Airlines
Deal found 7/26$801
This Flighttix deal was found by Cheapflights users on 7/25. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/232:53 pm
BUF
-
BCN
1 stop11h 27m
Lufthansa
Tue 9/88:00 am
BCN
-
BUF
2 stops21h 44m
Lufthansa
Deal found 7/25$808
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:53 pm
BUF
-
BCN
1 stop11h 27m
United Airlines
Fri 9/2512:15 pm
BCN
-
BUF
2 stops38h 32m
United Airlines
Deal found 7/28$811
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:15 am
BUF
-
BCN
1 stop18h 30m
JetBlue
Fri 9/2512:50 pm
BCN
-
BUF
1 stop12h 43m
JetBlue
Deal found 7/28$830
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 10/233:05 pm
BUF
-
BCN
1 stop11h 15m
United Airlines
Wed 10/2810:30 am
BCN
-
BUF
1 stop13h 34m
United Airlines
Deal found 7/29$832

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 July 30, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$700
(United Airlines)

One-way from

$323
(Kiwi.com)

Popular in

May

Cheapest in

December

Average price

$1,015
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. 17% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 30, 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

Sun 1/10

7:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Thu 1/28

1:35 pm-3:16 pm

2 stops31h 41m

$700

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 1/10

12:50 pm-2:00 pm

2 stops19h 10m

Barcelona-El Prat

Thu 1/28

10:30 am-6:54 pm

1 stop14h 24m

$721

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 12/31

10:20 am-9:00 am

1 stop16h 40m

Barcelona-El Prat

Thu 1/14

1:35 pm-10:37 pm

2 stops39h 02m

$747

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 12/31

12:09 pm-8:40 am

1 stop14h 31m

Barcelona-El Prat

Thu 1/14

10:30 am-11:50 pm

1 stop19h 20m

$767

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/15

2:53 pm-8:20 am

1 stop11h 27m

Barcelona-El Prat

Fri 9/25

12:15 pm-8:47 pm

2 stops38h 32m

$811

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 10/23

6:55 pm-12:50 pm

1 stop11h 55m

Barcelona-El Prat

Wed 10/28

10:30 am-11:59 pm

1 stop18h 29m

$830

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 10/23

3:53 pm-8:45 am

1 stop10h 52m

Barcelona-El Prat

Wed 10/28

10:30 am-11:59 pm

1 stop18h 29m

$832

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 10/23

6:00 am-8:20 am

1 stop20h 20m

Barcelona-El Prat

Wed 10/28

6:50 am-8:09 pm

2 stops18h 19m

$834
Quickest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 9/9

2:23 pm-9:45 am

1 stop13h 22m

Barcelona-El Prat

Fri 9/18

12:50 pm-7:33 pm

1 stop12h 43m

$835
Cheapest one-way

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 10/25

11:20 am-8:35 am

1 stop16h 15m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 18 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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Buffalo-Barcelona-El Prat Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 $458). Flying from Buffalo to Barcelona-El Prat Airport in May is currently the most expensive (average of $1,334). 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?

Airfare is typical for this route at the moment.

Buffalo to Barcelona-El Prat Airport flights typically cost between $513 and $946 in January.
The cheapest round-trip price found within the last 5 days was $700 on United Airlines (Jan 10-Jan 28).

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 July 30, 2026.
Get a feel of what it's like to fly with KLM,Delta, 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.
KLM
7.8
Good
1,551 reviews

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,551 reviews
KLM
7.8
Good
1,551 reviews

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Delta
7.8
Good
8,488 reviews
KLM
7.8
Good
1,551 reviews

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
10,046 reviews
KLM
7.8
Good
1,551 reviews

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
American Airlines
7.1
Good
11,842 reviews
KLM
7.8
Good
1,551 reviews

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
JetBlue
7.1
Good
3,028 reviews
KLM
7.8
Good
1,551 reviews

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 $767, United Airlines can have you in Barcelona-El Prat Airport from Buffalo in 14h 31m. 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, Delta ($155), JetBlue ($162), and KLM ($513) offers the cheapest pricing from Buffalo to Barcelona-El Prat Airport. Delta is priced at 82% 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 $458). Flying from Buffalo to Barcelona-El Prat Airport in May is currently the most expensive (average of $1,334). 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

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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$880FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$162Average$918FlexibilityNo cancel feeOn-time62%
KLMCheapest$513Average$561FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$582Average$912FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$665Average$867FlexibilityNo cancel feeOn-time71%

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