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Barcelona-El Prat

$325+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
août 3 — août 101
dim. 8/3
dim. 8/10
1 adult, Economy
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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 juillet 29, 2025.

Round-trip from

$584
(lol.travel)

One-way from

$325
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,121
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 ($306 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 July 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 juillet 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. 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.
mer. 11/267:00 amBUF - BCN
2 stops20h 35mUnited Airlines
ven. 12/510:30 amBCN - BUF
1 stop14h 34mUnited Airlines
Deal found 7/27$583
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/76:00 amBUF - BCN
1 stop21h 05mAmerican Airlines
mar. 10/212:00 pmBCN - BUF
1 stop14h 53mAmerican Airlines
Deal found 7/27$588
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/205:54 pmBUF - BCN
2 stops31h 56mMultiple Airlines
lun. 9/294:25 pmBCN - BUF
2 stops36h 17mMultiple Airlines
Deal found 7/28$603
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/101:28 pmBUF - BCN
1 stop13h 37mBritish Airways
mer. 9/1710:45 amBCN - BUF
1 stop17h 06mBritish Airways
Deal found 7/28$638
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/77:07 amBUF - BCN
3 stops18h 43mAir Canada
mar. 10/216:50 amBCN - BUF
3 stops20h 23mAir Canada
Deal found 7/27$644
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/127:34 pmBUF - BCN
2 stops14h 51mDelta
ven. 9/199:00 amBCN - BUF
1 stop12h 08mDelta
Deal found 7/29$773
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/127:00 amBUF - BCN
1 stop17h 00mKLM
ven. 9/199:00 amBCN - BUF
1 stop21h 21mKLM
Deal found 7/29$792
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/207:00 amBUF - BCN
1 stop22h 55mVirgin Atlantic
lun. 9/292:10 pmBCN - BUF
1 stop16h 11mVirgin Atlantic
Deal found 7/28$831
This Travelocity deal was found by Cheapflights users on 7/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/269:45 amBUF - BCN
2 stops33h 45mTAP AIR PORTUGAL
mar. 9/210:40 pmBCN - BUF
2 stops40h 13mTAP AIR PORTUGAL
Deal found 7/27$849
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/248:00 pmBUF - BCN
1 stop30h 20mLufthansa
ven. 12/1911:00 amBCN - BUF
1 stop17h 47mLufthansa
Deal found 7/26$869

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 juillet 29, 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

mer. 9/10

7:05 am-1:15 pm

1 stop24h 10m

Barcelona-El Prat

mer. 9/17

3:15 pm-9:53 am

1 stop24h 38m

$584

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mar. 10/7

6:00 am-9:05 am

1 stop21h 05m

Barcelona-El Prat

mar. 10/21

2:00 pm-10:53 pm

1 stop14h 53m

$588

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

sam. 9/20

5:54 pm-7:50 am

2 stops31h 56m

Barcelona-El Prat

lun. 9/29

4:25 pm-10:42 pm

2 stops36h 17m

$603

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mer. 9/10

1:28 pm-9:05 am

1 stop13h 37m

Barcelona-El Prat

mer. 9/17

10:45 am-9:51 pm

1 stop17h 06m

$638

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mar. 10/7

7:07 am-7:50 am

3 stops18h 43m

Barcelona-El Prat

mar. 10/21

6:50 am-9:13 pm

3 stops20h 23m

$644

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

ven. 9/12

7:34 pm-4:25 pm

2 stops14h 51m

Barcelona-El Prat

ven. 9/19

9:00 am-3:08 pm

1 stop12h 08m

$773

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

ven. 9/12

7:00 am-6:00 am

1 stop17h 00m

Barcelona-El Prat

ven. 9/19

9:00 am-12:21 am

1 stop21h 21m

$792

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

sam. 9/20

7:00 am-11:55 am

1 stop22h 55m

Barcelona-El Prat

lun. 9/29

2:10 pm-12:21 am

1 stop16h 11m

$831

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

mar. 8/26

9:45 am-1:30 am

2 stops33h 45m

Barcelona-El Prat

mar. 9/2

10:40 pm-8:53 am

2 stops40h 13m

$849

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

dim. 8/24

8:00 pm-8:20 am

1 stop30h 20m

Barcelona-El Prat

ven. 12/19

11:00 am-10:47 pm

1 stop17h 47m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 18 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

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 $1,056). 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 juillet 29, 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.

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 juillet 29, 2025.
Get a feel of what it's like to fly with Delta, KLM, and United 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
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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.
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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.
Scandinavian Airlines
7.3
Good
1,449 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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 5 different airlines.

  • What are the cheapest airlines flying from Buffalo to Barcelona-El Prat Airport round-trip?

    According to our current data, United Airlines ($584), American Airlines ($588), and British Airways ($638) 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.

  • What are the cheapest airlines to fly from Buffalo to Barcelona-El Prat Airport one-way?

    The cheapest airlines for a one-way flight from Buffalo to Barcelona-El Prat Airport are TAP AIR PORTUGAL ($449), WestJet ($485), and British Airways ($491).

  • 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 $1,056). 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
Cadaques
L'Hospitalet de Llobregat
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

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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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$560Average$804FlexibilityNo cancel feeOn-time69%
DeltaCheapest$601Average$819FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$610Average$910FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$619Average$1,148FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$700Average$904FlexibilityNo cancel feeOn-time70%

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