What airlines fly to Barcelona?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Barcelona from Buffalo according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 5 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

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

United Airlines, JetBlue, and Scandinavian Airlines are the most popular carriers operating from Buffalo to Barcelona

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

Prices for flights from Buffalo Airport to Barcelona are updated daily.

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

There are 4 operators available for flights from Buffalo Airport to Barcelona as of January 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The travel and health documents required for your trip to Barcelona can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$266 Cheap Flights from Buffalo to Barcelona in 2026

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Find the cheapest flights from Buffalo to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 pm - 8:20 am

BUF

BCN

30h 35m

1 stop

11:15 am - 6:49 pm

BCN

BUF

13h 34m

1 stop

$477United Airlines

Tue, Apr 7 - Thu, Apr 16

11:23 am - 11:10 am

BUF

BCN

17h 47m

2 stops

6:40 am - 9:45 pm

BCN

BUF

21h 05m

2 stops

$482British Airways

Wed, Feb 25 - Sun, Mar 8

3:55 pm - 1:15 pm

BUF

BCN

15h 20m

2 stops

10:15 am - 9:30 pm

BCN

BUF

17h 15m

2 stops

$483British Airways

Tue, Apr 21 - Thu, Apr 30

11:23 am - 8:00 am

BUF

BCN

15h 37m

1 stop

6:10 pm - 9:47 am

BCN

BUF

20h 37m

1 stop

$485American Airlines

Tue, Mar 10 - Tue, Mar 17

3:55 pm - 11:55 am

BUF

BCN

14h 00m

2 stops

6:30 pm - 11:16 am

BCN

BUF

22h 46m

1 stop

$487American Airlines

Tue, Apr 21 - Thu, Apr 30

12:31 pm - 8:00 am

BUF

BCN

14h 29m

2 stops

11:30 am - 8:29 pm

BCN

BUF

13h 59m

2 stops

$490American Airlines

Tue, Mar 10 - Tue, Mar 17

4:25 pm - 9:00 am

BUF

BCN

10h 35m

1 stop

6:40 am - 10:40 pm

BCN

BUF

22h 00m

2 stops

$492British Airways

Wed, Feb 25 - Sun, Mar 8

6:00 am - 8:40 am

BUF

BCN

20h 40m

1 stop

10:15 am - 7:16 pm

BCN

BUF

14h 01m

1 stop

$535Virgin Atlantic

Wed, Feb 25 - Sun, Mar 8

5:21 pm - 2:15 pm

BUF

BCN

14h 54m

2 stops

6:30 pm - 11:16 am

BCN

BUF

22h 46m

1 stop

$537American Airlines

Wed, Apr 8 - Mon, Apr 13

6:00 am - 11:45 pm

BUF

BCN

35h 45m

2 stops

6:45 am - 11:32 pm

BCN

BUF

22h 47m

2 stops

$561Multiple Airlines

Fri, Feb 27 - Mon, Mar 2

KLM flights from Buffalo to Barcelona

Our best KLM deals on Buffalo to Barcelona flight tickets

KLM

Apr 21

BUF4:59 pmBuffalo

13h 51m

1 stop

BCN12:50 pmBarcelona-El Prat

Apr 30

BCN11:00 amBarcelona-El Prat

18h 35m

1 stop

BUF11:35 pmBuffalo

$485

KLM

May 3

BUF11:50 amBuffalo

14h 55m

1 stop

BCN8:45 amBarcelona-El Prat

May 10

BCN10:55 amBarcelona-El Prat

14h 05m

1 stop

BUF7:00 pmBuffalo

$630

American Airlines flights from Buffalo to Barcelona

Our best American Airlines deals on Buffalo to Barcelona flight tickets

American Airlines

Apr 21

BUF3:55 pmBuffalo

14h 00m

2 stops

BCN11:55 amBarcelona-El Prat

Apr 30

BCN6:30 pmBarcelona-El Prat

22h 46m

1 stop

BUF11:16 amBuffalo

$487

American Airlines

Apr 8

BUF5:21 pmBuffalo

14h 54m

2 stops

BCN2:15 pmBarcelona-El Prat

Apr 13

BCN6:30 pmBarcelona-El Prat

22h 46m

1 stop

BUF11:16 amBuffalo

$537

Fly from

Fly to

Route

Depart

Return

Price

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 4/7

7:45 pm-8:20 am

1 stop30h 35m

Barcelona-El Prat

Thu 4/16

11:15 am-6:49 pm

1 stop13h 34m

$477

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/25

11:23 am-11:10 am

2 stops17h 47m

Barcelona-El Prat

Sun 3/8

6:40 am-9:45 pm

2 stops21h 05m

$482

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 4/21

3:55 pm-1:15 pm

2 stops15h 20m

Barcelona-El Prat

Thu 4/30

10:15 am-9:30 pm

2 stops17h 15m

$483

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 3/10

11:23 am-8:00 am

1 stop15h 37m

Barcelona-El Prat

Tue 3/17

6:10 pm-9:47 am

1 stop20h 37m

$485

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 4/21

3:55 pm-11:55 am

2 stops14h 00m

Barcelona-El Prat

Thu 4/30

6:30 pm-11:16 am

1 stop22h 46m

$487

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 3/10

12:31 pm-8:00 am

2 stops14h 29m

Barcelona-El Prat

Tue 3/17

11:30 am-8:29 pm

2 stops13h 59m

$490

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/25

4:25 pm-9:00 am

1 stop10h 35m

Barcelona-El Prat

Sun 3/8

6:40 am-10:40 pm

2 stops22h 00m

$492

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/25

6:00 am-8:40 am

1 stop20h 40m

Barcelona-El Prat

Sun 3/8

10:15 am-7:16 pm

1 stop14h 01m

$535

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 4/8

5:21 pm-2:15 pm

2 stops14h 54m

Barcelona-El Prat

Mon 4/13

6:30 pm-11:16 am

1 stop22h 46m

$537

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 2/27

6:00 am-11:45 pm

2 stops35h 45m

Barcelona-El Prat

Mon 3/2

6:45 am-11:32 pm

2 stops22h 47m

$561

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

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

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from Buffalo, with most prices found around $648. If you don’t want to visit Barcelona in November, then you should wait until January to fly from Buffalo, when ticket prices are also cheap, with an average price of $763.

Cheap Buffalo to Barcelona flight deals and tips

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

Fastest flight time	16h 10m
Direct flights	None

The fastest flight from Buffalo to Barcelona takes 16h 10m

There are no direct flights from Buffalo to Barcelona. There are no popular flight routes from Buffalo to Barcelona.

Search flight deals

How far is Buffalo to Barcelona by plane?
There are 3979.1 mi between Buffalo and Barcelona. Typically, this will take 16h 10m by plane in normal conditions.
When did momondo last update prices for flights from Buffalo Airport to Barcelona?
Prices for flights from Buffalo Airport to Barcelona are updated daily.
How many operators does momondo search for flights from Buffalo Airport to Barcelona?
There are 4 operators available for flights from Buffalo Airport to Barcelona as of January 2026.
How old do you have to be to fly from Buffalo Airport to Barcelona?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The travel and health documents required for your trip to Barcelona can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Buffalo to Barcelona

Compare and see reviews for airlines that fly from Buffalo to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $466	Free Cancellation	Rating 6.7 7,704 reviews	Search British Airways flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,443 reviews	Search KLM flights
United Airlines	PriceFrom $559	Free Cancellation	Rating 7.4 9,208 reviews	Search United Airlines flights
American Airlines	PriceFrom $807	Free Cancellation	Rating 7.2 11,201 reviews	Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Barcelona from Buffalo.

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

All flight searches from Buffalo to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

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?

If you are not ready to book a flight from Buffalo to Barcelona now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Barcelona and let you know when they change.