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Barcelona-El Prat

$311+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to Barcelona-El Prat are usually found in January or November, booked 78 days in advance, depart on a Saturday or Wednesday and return on a Monday

Cheap 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 September 11, 2025.

Round-trip from

$530
(FlightHub)

One-way from

$311
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,058
From Buffalo to Barcelona-El Prat
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One-way flight from Buffalo to Barcelona-El Prat
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Highest demand for flights based on searches. 24% potential increase in price ($311 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This KLM deal was found by Cheapflights users on 9/11. 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 9/3011:10 amBUF - BCN
1 stop12h 50mKLM
Fri 10/109:00 amBCN - BUF
1 stop20h 56mKLM
Deal found 9/11$545
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 9/218:00 amBUF - BCN
1 stop19h 05mAmerican Airlines
Tue 10/72:00 pmBCN - BUF
1 stop14h 53mAmerican Airlines
Deal found 9/11$552
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 10/66:00 amBUF - BCN
1 stop21h 20mDelta
Wed 10/159:00 amBCN - BUF
1 stop20h 56mDelta
Deal found 9/10$553
This Delta deal was found by Cheapflights users on 9/11. 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 9/306:15 amBUF - BCN
2 stops21h 05mDelta
Fri 10/109:00 amBCN - BUF
1 stop16h 15mDelta
Deal found 9/11$557
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/710:50 amBUF - BCN
2 stops15h 30mUnited Airlines
Thu 10/168:00 amBCN - BUF
2 stops16h 53mUnited Airlines
Deal found 9/10$567
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 10/67:30 pmBUF - BCN
2 stops13h 20mDelta
Thu 10/169:00 amBCN - BUF
1 stop20h 56mDelta
Deal found 9/10$572
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 10/66:00 amBUF - BCN
1 stop21h 20mDelta
Tue 10/146:10 amBCN - BUF
2 stops23h 46mDelta
Deal found 9/10$595
This Delta deal was found by Cheapflights users on 9/10. 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 10/79:03 amBUF - BCN
2 stops16h 12mDelta
Tue 10/146:10 amBCN - BUF
2 stops23h 46mDelta
Deal found 9/10$600
This Delta deal was found by Cheapflights users on 9/10. 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 10/811:15 amBUF - BCN
2 stops15h 45mDelta
Thu 10/166:20 amBCN - BUF
2 stops18h 55mDelta
Deal found 9/10$614

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 September 11, 2025.
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

Tue 3/10

2:44 pm-8:20 am

1 stop12h 36m

Barcelona-El Prat

Tue 3/17

12:35 pm-4:47 pm

2 stops33h 12m

$530

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 3/10

10:50 am-8:35 am

2 stops16h 45m

Barcelona-El Prat

Tue 3/17

12:35 pm-4:47 pm

2 stops33h 12m

$530

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/30

11:10 am-6:00 am

1 stop12h 50m

Barcelona-El Prat

Fri 10/10

9:00 am-11:56 pm

1 stop20h 56m

$545

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 9/21

8:00 am-9:05 am

1 stop19h 05m

Barcelona-El Prat

Tue 10/7

2:00 pm-10:53 pm

1 stop14h 53m

$552

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 10/6

6:00 am-9:20 am

1 stop21h 20m

Barcelona-El Prat

Wed 10/15

9:00 am-11:56 pm

1 stop20h 56m

$553

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 10/6

6:00 am-9:20 am

1 stop21h 20m

Barcelona-El Prat

Thu 10/16

9:00 am-7:15 pm

1 stop16h 15m

$553

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/7

9:03 am-7:15 am

2 stops16h 12m

Barcelona-El Prat

Wed 10/15

9:00 am-11:56 pm

1 stop20h 56m

$557

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/30

6:15 am-9:20 am

2 stops21h 05m

Barcelona-El Prat

Fri 10/10

9:00 am-7:15 pm

1 stop16h 15m

$557

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 3/10

7:00 am-8:35 am

3 stops20h 35m

Barcelona-El Prat

Tue 3/17

12:35 pm-11:26 pm

2 stops15h 51m

$559

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 10/8

11:15 am-9:00 am

2 stops15h 45m

Barcelona-El Prat

Thu 10/16

9:00 am-11:56 pm

1 stop20h 56m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results
1
2

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

How far ahead should I book a flight from Buffalo to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Barcelona-El Prat. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Buffalo to Barcelona-El Prat Airport, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Buffalo to Barcelona-El Prat Airport?

Currently, January is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $523). Flying from Buffalo to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). 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.

What is the cheapest time of day to fly from BUF to BCN?

Find hourly flight availability from Buffalo to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% on flights from Buffalo to Barcelona-El Prat Airport by exploring options for tickets in the morning.

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 September 11, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and British Airways 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.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 3 different airlines.

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

    For as low as $530, United Airlines can have you in Barcelona-El Prat Airport from Buffalo in 12h 36m. 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, United Airlines ($582), British Airways ($697), and American Airlines ($807) offers the cheapest pricing from Buffalo to Barcelona-El Prat Airport. United Airlines is priced at 38% 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, January is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $523). Flying from Buffalo to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). 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
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

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Top 3 airlines flying from Buffalo to Barcelona-El Prat

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$582Average$782FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$697Average$1,077FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$807Average$1,058FlexibilityNo cancel feeOn-time71%

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