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

KLM and Air Canada 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.

$336 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:16 pm - 10:35 pm

BUF

BCN

23h 19m2 stops

12:30 pm - 10:55 pm

BCN

BUF

16h 25m1 stop

$473British Airways

Thu, Jan 29 - Mon, Feb 2

7:42 pm - 8:00 am

BUF

BCN

30h 18m1 stop

10:15 am - 10:57 pm

BCN

BUF

18h 42m2 stops

$475Virgin Atlantic

Sun, Jan 18 - Sat, Jan 31

4:01 pm - 9:00 am

BUF

BCN

10h 59m1 stop

12:30 pm - 10:55 pm

BCN

BUF

16h 25m1 stop

$482British Airways

Wed, Feb 4 - Wed, Feb 11

6:53 am - 8:50 am

BUF

BCN

19h 57m1 stop

10:40 am - 9:06 pm

BCN

BUF

16h 26m1 stop

$484American Airlines

Thu, Jan 29 - Mon, Feb 2

7:00 am - 8:50 am

BUF

BCN

19h 50m2 stops

10:15 am - 10:57 pm

BCN

BUF

18h 42m2 stops

$493Delta

Sun, Jan 18 - Sat, Jan 31

5:50 pm - 5:40 pm

BUF

BCN

17h 50m2 stops

6:40 am - 11:31 pm

BCN

BUF

21h 51m2 stops

$582British Airways

Fri, Mar 6 - Fri, Mar 13

7:00 am - 9:35 am

BUF

BCN

20h 35m2 stops

10:30 am - 11:42 pm

BCN

BUF

18h 12m1 stop

$636United Airlines

Fri, Mar 6 - Fri, Mar 13

11:00 am - 12:00 pm

BUF

BCN

19h 00m3 stops

12:50 pm - 1:12 pm

BCN

BUF

30h 22m3 stops

$643Air Canada

Wed, Feb 4 - Wed, Feb 11

11:00 am - 9:35 am

BUF

BCN

16h 35m2 stops

12:50 pm - 1:12 pm

BCN

BUF

30h 22m3 stops

$666Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

7:00 am - 7:00 am

BUF

BCN

19h 00m1 stop

1:00 pm - 10:57 am

BCN

BUF

26h 57m2 stops

$696Delta

Sat, Mar 14 - Sat, Mar 21

British Airways flights from Buffalo to Barcelona

Our best British Airways deals on Buffalo to Barcelona flight tickets

British Airways

Jan 29

BUF5:16 pmBuffalo

23h 19m

2 stops

BCN10:35 pmBarcelona-El Prat

Feb 2

BCN12:30 pmBarcelona-El Prat

16h 25m

1 stop

BUF10:55 pmBuffalo

$473

Find similar

British Airways

Feb 4

BUF4:01 pmBuffalo

10h 59m

1 stop

BCN9:00 amBarcelona-El Prat

Feb 11

BCN12:30 pmBarcelona-El Prat

16h 25m

1 stop

BUF10:55 pmBuffalo

$482

Find similar

British Airways

Mar 6

BUF5:50 pmBuffalo

17h 50m

2 stops

BCN5:40 pmBarcelona-El Prat

Mar 13

BCN6:40 amBarcelona-El Prat

21h 51m

2 stops

BUF11:31 pmBuffalo

$582

Find similar

Virgin Atlantic flights from Buffalo to Barcelona

Our best Virgin Atlantic deals on Buffalo to Barcelona flight tickets

Virgin Atlantic

Jan 18

BUF7:42 pmBuffalo

30h 18m

1 stop

BCN8:00 amBarcelona-El Prat

Jan 31

BCN10:15 amBarcelona-El Prat

18h 42m

2 stops

BUF10:57 pmBuffalo

$475

Find similar

Virgin Atlantic

Mar 6

BUF3:39 pmBuffalo

10h 21m

1 stop

BCN8:00 amBarcelona-El Prat

Mar 13

BCN9:45 amBarcelona-El Prat

19h 01m

1 stop

BUF11:46 pmBuffalo

$748

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 1/29

5:16 pm-10:35 pm

2 stops23h 19m

Barcelona-El Prat

Mon 2/2

12:30 pm-10:55 pm

1 stop16h 25m

$473

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 1/18

7:42 pm-8:00 am

1 stop30h 18m

Barcelona-El Prat

Sat 1/31

10:15 am-10:57 pm

2 stops18h 42m

$475

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/4

4:01 pm-9:00 am

1 stop10h 59m

Barcelona-El Prat

Wed 2/11

12:30 pm-10:55 pm

1 stop16h 25m

$482

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 1/29

6:53 am-8:50 am

1 stop19h 57m

Barcelona-El Prat

Mon 2/2

10:40 am-9:06 pm

1 stop16h 26m

$484

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 1/18

7:00 am-8:50 am

2 stops19h 50m

Barcelona-El Prat

Sat 1/31

10:15 am-10:57 pm

2 stops18h 42m

$493

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 3/6

5:50 pm-5:40 pm

2 stops17h 50m

Barcelona-El Prat

Fri 3/13

6:40 am-11:31 pm

2 stops21h 51m

$582

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 3/6

7:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Fri 3/13

10:30 am-11:42 pm

1 stop18h 12m

$636

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/4

11:00 am-12:00 pm

3 stops19h 00m

Barcelona-El Prat

Wed 2/11

12:50 pm-1:12 pm

3 stops30h 22m

$643

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 2/4

11:00 am-9:35 am

2 stops16h 35m

Barcelona-El Prat

Wed 2/11

12:50 pm-1:12 pm

3 stops30h 22m

$666

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 3/14

7:00 am-7:00 am

1 stop19h 00m

Barcelona-El Prat

Sat 3/21

1:00 pm-10:57 am

2 stops26h 57m

$696

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	10h 11m
Direct flights	None

The fastest flight from Buffalo to Barcelona takes 10h 11m

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 10h 11m 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 7,602 reviews	Search British Airways flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
United Airlines	PriceFrom $559	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights
American Airlines	PriceFrom $821	Free Cancellation	Rating 7.2 11,052 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.