What is the cheapest airline that flies from Buffalo to Barcelona-El Prat?

United Airlines is the most popular carrier operating from Buffalo to Barcelona-El Prat

Which layover airport has the shortest connection time from Buffalo to Barcelona-El Prat Airport?

New York (JFK) has the shortest average layover time for this route: 2h 22m.

Which airport is the most popular layover for flights between Buffalo and Barcelona-El Prat Airport?

New York (JFK) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Barcelona-El Prat Airport?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Barcelona-El Prat Airport from Buffalo according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 6 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Buffalo to Barcelona-El Prat Airport?

Flights via Boston (BOS) offer the lowest average round-trip price of $788.

Which layover airport has the shortest travel time from Buffalo to Barcelona-El Prat Airport?

Flights connecting via New York (JFK) have the shortest average one-way travel time: 10h 10m.

When did momondo last update prices for flights from Buffalo Airport to Barcelona-El Prat Airport?

Prices for flights from Buffalo Airport to Barcelona-El Prat Airport refresh daily.

How many operators does momondo search for flights from Buffalo Airport to Barcelona-El Prat Airport?

As of March 2026, there are 6 operators available to choose from for flights from Buffalo Airport to Barcelona-El Prat Airport.

How old do you have to be to fly from Buffalo Airport to Barcelona-El Prat Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Barcelona-El Prat Airport.

What documentation or ID do you need to fly to Barcelona-El Prat Airport?

The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$373 Cheap Flights from Buffalo to Barcelona-El Prat Airport in 2026

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Find the cheapest flights from Buffalo to Barcelona

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7:45 pm - 5:55 pm

BUF

BCN

16h 10m

2 stops

7:55 am - 11:50 pm

BCN

BUF

21h 55m

2 stops

$699Lufthansa

Tue, Apr 21 - Tue, Apr 28

6:00 am - 8:20 am

BUF

BCN

20h 20m

1 stop

11:15 am - 11:52 pm

BCN

BUF

18h 37m

1 stop

$723United Airlines

Mon, Aug 17 - Wed, Sep 2

6:00 am - 8:00 am

BUF

BCN

20h 00m

2 stops

11:15 am - 6:54 pm

BCN

BUF

13h 39m

1 stop

$726United Airlines

Tue, Aug 11 - Tue, Aug 25

6:00 am - 8:20 am

BUF

BCN

20h 20m

1 stop

8:00 am - 9:08 pm

BCN

BUF

19h 08m

2 stops

$727United Airlines

Mon, Aug 17 - Wed, Sep 2

3:08 pm - 8:20 am

BUF

BCN

11h 12m

1 stop

6:40 am - 9:08 pm

BCN

BUF

20h 28m

2 stops

$728United Airlines

Mon, Aug 17 - Wed, Sep 2

6:00 am - 8:00 am

BUF

BCN

20h 00m

2 stops

11:15 am - 9:08 pm

BCN

BUF

15h 53m

2 stops

$731United Airlines

Tue, Aug 11 - Tue, Aug 25

7:39 pm - 11:15 pm

BUF

BCN

45h 36m

2 stops

7:05 pm - 9:25 pm

BCN

BUF

56h 20m

2 stops

$737Turkish Airlines

Tue, May 5 - Sat, May 9

7:39 pm - 5:40 pm

BUF

BCN

40h 01m

2 stops

7:40 am - 9:25 pm

BCN

BUF

19h 45m

2 stops

$738Turkish Airlines

Mon, May 4 - Mon, May 11

7:05 am - 11:15 pm

BUF

BCN

34h 10m

2 stops

7:40 am - 9:39 am

BCN

BUF

31h 59m

2 stops

$742Multiple Airlines

Wed, May 6 - Wed, May 13

6:02 pm - 6:15 pm

BUF

BCN

18h 13m

2 stops

12:00 pm - 6:13 pm

BCN

BUF

12h 13m

1 stop

$746United Airlines

Wed, Apr 22 - Wed, Apr 29

SWISS flights from Buffalo to Barcelona-El Prat Airport

Our best SWISS deals on Buffalo to Barcelona-El Prat Airport flight tickets

SWISS

Sep 3

BUF10:54 amBuffalo

24h 51m

2 stops

BCN5:45 pmBarcelona-El Prat

Sep 11

BCN6:00 amBarcelona-El Prat

21h 08m

2 stops

BUF9:08 pmBuffalo

$757

SWISS

Sep 3

BUF10:54 amBuffalo

24h 51m

2 stops

BCN5:45 pmBarcelona-El Prat

Sep 11

BCN6:00 amBarcelona-El Prat

21h 08m

2 stops

BUF9:08 pmBuffalo

$758

SWISS

Sep 1

BUF10:54 amBuffalo

30h 41m

2 stops

BCN11:35 pmBarcelona-El Prat

Sep 12

BCN8:00 pmBarcelona-El Prat

31h 08m

2 stops

BUF9:08 pmBuffalo

$815

Delta flights from Buffalo to Barcelona-El Prat Airport

Our best Delta deals on Buffalo to Barcelona-El Prat Airport flight tickets

Delta

Sep 3

BUF7:15 pmBuffalo

15h 55m

2 stops

BCN5:10 pmBarcelona-El Prat

Sep 11

BCN10:55 amBarcelona-El Prat

19h 01m

1 stop

BUF11:56 pmBuffalo

$847

Delta

Sep 1

BUF11:15 amBuffalo

18h 00m

2 stops

BCN11:15 amBarcelona-El Prat

Sep 12

BCN12:20 pmBarcelona-El Prat

17h 36m

2 stops

BUF11:56 pmBuffalo

$849

momondo Fare Finder

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

Tue 4/21

7:45 pm-5:55 pm

2 stops16h 10m

Barcelona-El Prat

Tue 4/28

7:55 am-11:50 pm

2 stops21h 55m

$699

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

$723

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 8/11

6:00 am-8:00 am

2 stops20h 00m

Barcelona-El Prat

Tue 8/25

11:15 am-6:54 pm

1 stop13h 39m

$726

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 8/17

6:00 am-8:20 am

1 stop20h 20m

Barcelona-El Prat

Wed 9/2

8:00 am-9:08 pm

2 stops19h 08m

$727

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 8/17

3:08 pm-8:20 am

1 stop11h 12m

Barcelona-El Prat

Wed 9/2

6:40 am-9:08 pm

2 stops20h 28m

$728

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 8/11

6:00 am-8:00 am

2 stops20h 00m

Barcelona-El Prat

Tue 8/25

11:15 am-9:08 pm

2 stops15h 53m

$731

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 5/5

7:39 pm-11:15 pm

2 stops45h 36m

Barcelona-El Prat

Sat 5/9

7:05 pm-9:25 pm

2 stops56h 20m

$737

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 5/4

7:39 pm-5:40 pm

2 stops40h 01m

Barcelona-El Prat

Mon 5/11

7:40 am-9:25 pm

2 stops19h 45m

$738

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 5/6

7:05 am-11:15 pm

2 stops34h 10m

Barcelona-El Prat

Wed 5/13

7:40 am-9:39 am

2 stops31h 59m

$742

Quickest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 4/22

6:02 pm-6:15 pm

2 stops18h 13m

Barcelona-El Prat

Wed 4/29

12:00 pm-6:13 pm

1 stop12h 13m

$746

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Buffalo is in December. Flight prices, which tend to average around $533, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Barcelona-El Prat Airport from Buffalo during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in December, still average around $644.

Can stopping save me money on Buffalo to Barcelona-El Prat Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a Buffalo to Barcelona-El Prat Airport flight.

When to book flights from Buffalo to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Buffalo to Barcelona-El Prat Airport (BUF to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Barcelona-El Prat Airport

Fastest flight time	13h 55m
Direct flights	None

The fastest flight from Buffalo to Barcelona-El Prat Airport takes 13h 55m

There are no direct flights from Buffalo to Barcelona-El Prat Airport. There are no popular flight routes from Buffalo to Barcelona-El Prat Airport.

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How far is Buffalo to Barcelona-El Prat by plane?
A flight from Buffalo to Barcelona-El Prat will travel around 3978.0 mi. 13h 55m is a normal flight duration for this route.
When did momondo last update prices for flights from Buffalo Airport to Barcelona-El Prat Airport?
Prices for flights from Buffalo Airport to Barcelona-El Prat Airport refresh daily.
How many operators does momondo search for flights from Buffalo Airport to Barcelona-El Prat Airport?
As of March 2026, there are 6 operators available to choose from for flights from Buffalo Airport to Barcelona-El Prat Airport.
How old do you have to be to fly from Buffalo Airport to Barcelona-El Prat Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Barcelona-El Prat Airport.
What documentation or ID do you need to fly to Barcelona-El Prat Airport?
The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Buffalo to Barcelona-El Prat Airport?
Based on momondo bookings for flights between Buffalo and Barcelona-El Prat Airport, the leading airline is United Airlines, making up 39% of the total bookings. Other popular airlines include American Airlines with 17%, British Airways with 13%, and Delta with 11%.

Best airlines flying from Buffalo to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Buffalo to Barcelona-El Prat Airport with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $137	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
Delta	PriceFrom $155	Free Cancellation	Rating 7.9 8,326 reviews	Search Delta flights
British Airways	PriceFrom $466	Free Cancellation	Rating 6.7 7,818 reviews	Search British Airways flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.8 1,477 reviews	Search KLM flights
United Airlines	PriceFrom $582	Free Cancellation	Rating 7.4 9,476 reviews	Search United Airlines flights
American Airlines	PriceFrom $807	Free Cancellation	Rating 7.1 11,493 reviews	Search American Airlines flights

Lloret de Mar

Sitges

Salou

Tossa de Mar

Castelldefels

Tarragona

El Prat de Llobregat

L'Hospitalet de Llobregat

Calella

Santa Susanna

Cadaques

Cambrils

Badalona

Pals

Pineda de Mar

Empuriabrava

Roses

Calella de Palafrugell

Palafrugell

Malgrat de Mar

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Barcelona?

It is quick and easy to find Buffalo to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.

Can I find flights from Buffalo to Barcelona with flexible booking policies on momondo?

Yes. All flights to Barcelona from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Buffalo to Barcelona?

momondo provides multiple filters to help you find the best flight to Barcelona from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Buffalo to Barcelona right now. Can momondo alert me if prices change?

Price alerts on flights to Barcelona from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Buffalo to Barcelona from $373

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Barcelona departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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SWISS flights from Buffalo to Barcelona-El Prat Airport

Our best SWISS deals on Buffalo to Barcelona-El Prat Airport flight tickets

Delta flights from Buffalo to Barcelona-El Prat Airport

Our best Delta deals on Buffalo to Barcelona-El Prat Airport flight tickets

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Use the filters below to find and compare flights from Buffalo to Barcelona-El Prat Airport that are best for you.

See travel insights to Barcelona from

How to get the cheapest flight ticket from Buffalo to Barcelona-El Prat Airport

What is the cheapest month to fly to Barcelona-El Prat Airport?

Can stopping save me money on Buffalo to Barcelona-El Prat Airport flights?

What is the cheapest airline that flies from Buffalo to Barcelona-El Prat?

What airlines fly to Barcelona-El Prat Airport?

Which airport is the most popular layover for flights between Buffalo and Barcelona-El Prat Airport?

Which layover airport offers the lowest fares from Buffalo to Barcelona-El Prat Airport?

Which layover airport has the shortest travel time from Buffalo to Barcelona-El Prat Airport?

Which layover airport has the shortest connection time from Buffalo to Barcelona-El Prat Airport?

When to book flights from Buffalo to Barcelona-El Prat Airport

Cheap Buffalo to Barcelona-El Prat Airport (BUF to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Barcelona-El Prat Airport

Fastest flight time

Direct flights

Best airlines flying from Buffalo to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Buffalo to Barcelona-El Prat Airport with momondo

Traveling to a place near Barcelona?

Why use momondo?

An easier way to manage your Barcelona-El Prat Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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