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

United Airlines and Finnair are the most popular carriers operating from Buffalo to Barcelona

What airlines fly to Barcelona?

United Airlines, American Airlines and British Airways 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.

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 December 2025.

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.

$325 Cheap Flights from Buffalo to Barcelona in 2025/26

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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.

11:27 am - 2:05 pm

BUF

BCN

20h 38m2 stops

12:30 pm - 10:58 pm

BCN

BUF

16h 28m1 stop

$473British Airways

Sun, Feb 8 - Sun, Feb 15

11:27 am - 4:05 pm

BUF

BCN

22h 38m2 stops

6:40 am - 11:21 pm

BCN

BUF

22h 41m2 stops

$483British Airways

Sun, Feb 8 - Sun, Feb 15

6:00 am - 9:00 am

BUF

BCN

21h 00m1 stop

12:30 pm - 10:58 pm

BCN

BUF

16h 28m1 stop

$484American Airlines

Sun, Feb 8 - Sun, Feb 15

6:25 pm - 4:20 pm

BUF

BCN

15h 55m2 stops

10:30 am - 7:06 pm

BCN

BUF

14h 36m1 stop

$504United Airlines

Wed, Feb 25 - Sun, Mar 1

11:22 am - 7:50 pm

BUF

BCN

26h 28m2 stops

11:20 am - 11:16 pm

BCN

BUF

17h 56m2 stops

$582British Airways

Fri, Feb 6 - Sun, Feb 22

4:25 pm - 7:45 pm

BUF

BCN

21h 20m2 stops

9:20 pm - 11:16 pm

BCN

BUF

31h 56m2 stops

$583British Airways

Mon, Feb 16 - Sun, Feb 22

6:25 pm - 4:20 pm

BUF

BCN

15h 55m2 stops

10:30 am - 11:44 pm

BCN

BUF

19h 14m1 stop

$586United Airlines

Wed, Feb 25 - Sun, Mar 1

6:25 pm - 7:50 pm

BUF

BCN

19h 25m2 stops

1:55 pm - 9:02 pm

BCN

BUF

37h 07m2 stops

$610United Airlines

Wed, Feb 25 - Sun, Mar 1

6:25 pm - 4:20 pm

BUF

BCN

15h 55m2 stops

10:30 am - 10:18 am

BCN

BUF

29h 48m2 stops

$620United Airlines

Wed, Feb 25 - Sun, Mar 1

11:52 am - 6:20 pm

BUF

BCN

24h 28m2 stops

7:10 pm - 11:27 pm

BCN

BUF

34h 17m2 stops

$668Scandinavian Airlines

Wed, Feb 25 - Sun, Mar 1

United Airlines flights from Buffalo to Barcelona

Our best United Airlines deals on Buffalo to Barcelona flight tickets

United Airlines

Feb 25

BUF6:25 pmBuffalo

17h 20m

2 stops

BCN5:45 pmBarcelona-El Prat

Mar 1

BCN10:30 amBarcelona-El Prat

14h 36m

1 stop

BUF7:06 pmBuffalo

$504

Find similar

United Airlines

Feb 25

BUF6:25 pmBuffalo

15h 55m

2 stops

BCN4:20 pmBarcelona-El Prat

Mar 1

BCN10:30 amBarcelona-El Prat

19h 14m

1 stop

BUF11:44 pmBuffalo

$586

Find similar

United Airlines

Feb 25

BUF6:25 pmBuffalo

19h 25m

2 stops

BCN7:50 pmBarcelona-El Prat

Mar 1

BCN1:55 pmBarcelona-El Prat

37h 07m

2 stops

BUF9:02 pmBuffalo

$610

Find similar

Delta flights from Buffalo to Barcelona

Our best Delta deals on Buffalo to Barcelona flight tickets

Delta

Mar 23

BUF7:00 amBuffalo

19h 00m

1 stop

BCN7:00 amBarcelona-El Prat

Apr 9

BCN3:15 pmBarcelona-El Prat

14h 59m

1 stop

BUF12:14 amBuffalo

$534

Find similar

Delta

Mar 14

BUF3:56 pmBuffalo

10h 04m

1 stop

BCN7:00 amBarcelona-El Prat

Mar 21

BCN1:00 pmBarcelona-El Prat

26h 57m

2 stops

BUF10:57 amBuffalo

$696

Find similar

Delta

Mar 14

BUF7:53 pmBuffalo

18h 12m

2 stops

BCN7:05 pmBarcelona-El Prat

Mar 21

BCN1:00 pmBarcelona-El Prat

26h 57m

2 stops

BUF10:57 amBuffalo

$706

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 2/8

11:27 am-2:05 pm

2 stops20h 38m

Barcelona-El Prat

Sun 2/15

12:30 pm-10:58 pm

1 stop16h 28m

$473

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 2/8

11:27 am-4:05 pm

2 stops22h 38m

Barcelona-El Prat

Sun 2/15

6:40 am-11:21 pm

2 stops22h 41m

$483

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 2/8

6:00 am-9:00 am

1 stop21h 00m

Barcelona-El Prat

Sun 2/15

12:30 pm-10:58 pm

1 stop16h 28m

$484

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/25

6:25 pm-4:20 pm

2 stops15h 55m

Barcelona-El Prat

Sun 3/1

10:30 am-7:06 pm

1 stop14h 36m

$504

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 2/6

11:22 am-7:50 pm

2 stops26h 28m

Barcelona-El Prat

Sun 2/22

11:20 am-11:16 pm

2 stops17h 56m

$582

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 2/16

4:25 pm-7:45 pm

2 stops21h 20m

Barcelona-El Prat

Sun 2/22

9:20 pm-11:16 pm

2 stops31h 56m

$583

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/25

6:25 pm-4:20 pm

2 stops15h 55m

Barcelona-El Prat

Sun 3/1

10:30 am-11:44 pm

1 stop19h 14m

$586

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/25

6:25 pm-7:50 pm

2 stops19h 25m

Barcelona-El Prat

Sun 3/1

1:55 pm-9:02 pm

2 stops37h 07m

$610

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/25

6:25 pm-4:20 pm

2 stops15h 55m

Barcelona-El Prat

Sun 3/1

10:30 am-10:18 am

2 stops29h 48m

$620

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/25

11:52 am-6:20 pm

2 stops24h 28m

Barcelona-El Prat

Sun 3/1

7:10 pm-11:27 pm

2 stops34h 17m

$668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 January is, on average, the cheapest month to fly to Barcelona from Buffalo, with most prices found around $619. If you don’t want to visit Barcelona in January, then you should wait until November to fly from Buffalo, when ticket prices are also cheap, with an average price of $648.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Buffalo to Barcelona is on a Saturday when prices can be found for as low as $707. On the other hand, Thursday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,317.

What is the cheapest time of day to depart on your flight to Barcelona?

In the morning is the cheapest time of day to fly from Buffalo to Barcelona when you can find flight prices for as low as $743. Flying to Barcelona in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $923 on average. Flights to Barcelona from Buffalo in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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	9h 56m
Direct flights	None

The fastest flight from Buffalo to Barcelona takes 9h 56m

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 9h 56m 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 December 2025.
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 7,614 reviews	Search British Airways flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
United Airlines	PriceFrom $559	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights
American Airlines	PriceFrom $821	Free Cancellation	Rating 7.2 11,067 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.