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Barcelona-El Prat

$416+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

This KLM deal was found by Cheapflights users on 11/4. 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.
Thu 12/43:55 pmBUF - BCN
1 stop10h 05mKLM
Thu 12/1110:55 amBCN - BUF
1 stop19h 04mKLM
Deal found 11/4$459
This Delta deal was found by Cheapflights users on 11/4. 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.
Thu 12/411:21 amBUF - BCN
2 stops15h 29mDelta
Thu 12/1110:15 amBCN - BUF
1 stop20h 01mDelta
Deal found 11/4$462
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Thu 12/41:50 pmBUF - BCN
2 stops37h 45mMultiple Airlines
Thu 12/111:45 pmBCN - BUF
3 stops29h 27mMultiple Airlines
Deal found 11/4$879
This Delta deal was found by Cheapflights users on 11/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:49 pmBUF - BCN
2 stops19h 16mDelta
Fri 1/212:15 pmBCN - BUF
2 stops17h 28mDelta
Deal found 11/6$2,063
This Gurufare deal was found by Cheapflights users on 11/5. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:22 pmBUF - BCN
1 stop31h 38mLufthansa
Fri 1/211:00 amBCN - BUF
1 stop13h 34mLufthansa
Deal found 11/5$2,244
This Justfly.com deal was found by Cheapflights users on 11/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:09 pmBUF - BCN
1 stop10h 51mBritish Airways
Tue 1/612:30 pmBCN - BUF
1 stop16h 25mBritish Airways
Deal found 11/4$2,340
This Air Canada deal was found by Cheapflights users on 11/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:30 amBUF - BCN
2 stops22h 15mMultiple Airlines
Fri 1/21:50 pmBCN - BUF
3 stops29h 34mMultiple Airlines
Deal found 11/5$4,692
This Air Canada deal was found by Cheapflights users on 11/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:59 pmBUF - BCN
3 stops18h 06mAir Canada
Fri 1/21:50 pmBCN - BUF
3 stops29h 34mAir Canada
Deal found 11/6$4,707

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$439
(Delta)

One-way from

$416
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$633
Provider with most accurate pricing for Buffalo-Barcelona-El Prat flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Barcelona-El Prat flights.
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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. 24% potential increase in price ($309 potential increase over avg. RT price).
Search Deals
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 November 2025
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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 November 6, 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

Thu 12/4

3:55 pm-8:00 am

1 stop10h 05m

Barcelona-El Prat

Thu 12/11

10:55 am-11:59 pm

1 stop19h 04m

$459

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 12/4

11:21 am-8:50 am

2 stops15h 29m

Barcelona-El Prat

Thu 12/11

10:15 am-12:16 am

1 stop20h 01m

$462

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 12/21

3:49 pm-5:05 pm

2 stops19h 16m

Barcelona-El Prat

Fri 1/2

12:15 pm-11:43 pm

2 stops17h 28m

$2,063

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 12/21

7:22 pm-9:00 am

1 stop31h 38m

Barcelona-El Prat

Fri 1/2

11:00 am-6:34 pm

1 stop13h 34m

$2,244

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 12/23

4:09 pm-9:00 am

1 stop10h 51m

Barcelona-El Prat

Tue 1/6

12:30 pm-10:55 pm

1 stop16h 25m

$2,340

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 12/21

6:30 am-10:45 am

2 stops22h 15m

Barcelona-El Prat

Fri 1/2

1:50 pm-1:24 pm

3 stops29h 34m

$4,692

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 12/21

1:59 pm-2:05 pm

3 stops18h 06m

Barcelona-El Prat

Fri 1/2

1:50 pm-1:24 pm

3 stops29h 34m

$4,707

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 12/2

10:08 am-8:55 pm

3 stops28h 47m

$416

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 12/2

3:27 pm-9:00 am

1 stop11h 33m

$419

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 12/2

6:05 am-10:05 am

2 stops22h 00m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 16 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Barcelona-El Prat Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, November is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $532). Flying from Buffalo to Barcelona-El Prat Airport in April is currently the most expensive (average of $852). 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 November 6, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% 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 November 6, 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
9,003 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,003 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,041 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,496 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 $459, KLM can have you in Barcelona-El Prat Airport from Buffalo in 10h 05m. 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 ($559), British Airways ($697), and American Airlines ($807) offers the cheapest pricing from Buffalo to Barcelona-El Prat Airport. United Airlines is priced at 40% 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, November is the cheapest month in which you can book a flight from Buffalo to Barcelona-El Prat Airport (average of $532). Flying from Buffalo to Barcelona-El Prat Airport in April is currently the most expensive (average of $852). 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 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$559Average$774FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$697Average$904FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$807Average$955FlexibilityNo cancel feeOn-time71%

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