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

TAP AIR PORTUGAL, KLM, and Air Canada are the most popular carriers operating from Buffalo to Barcelona

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 49% 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 5 operators available for flights from Buffalo Airport to Barcelona as of August 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.

$324 Cheap Flights from Buffalo to Barcelona in 2025

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Find the cheapest flights from Buffalo to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 9:05 amBUF-BCN

21h 05m1 stop

2:00 pm - 11:10 amBCN-BUF

27h 10m1 stop

$577American Airlines

Find Deal

Sun, Sep 21 - Tue, Oct 7

7:05 am - 7:50 amBUF-BCN

18h 45m2 stops

1:15 pm - 9:53 amBCN-BUF

26h 38m2 stops

$584Air Canada

Find Deal

Sun, Sep 21 - Tue, Oct 7

1:29 pm - 9:05 amBUF-BCN

13h 36m1 stop

2:00 pm - 11:42 pmBCN-BUF

15h 42m2 stops

$590American Airlines

Find Deal

Sun, Sep 21 - Tue, Oct 7

7:07 am - 7:50 amBUF-BCN

18h 43m2 stops

6:50 am - 10:42 pmBCN-BUF

21h 52m2 stops

$604

Find Deal

Sun, Sep 28 - Sun, Oct 5

7:07 am - 7:50 amBUF-BCN

18h 43m2 stops

12:00 pm - 10:42 pmBCN-BUF

16h 42m1 stop

$607

Find Deal

Sun, Sep 28 - Sun, Oct 5

10:28 am - 8:20 amBUF-BCN

15h 52m1 stop

12:00 pm - 10:42 pmBCN-BUF

16h 42m1 stop

$624United Airlines

Find Deal

Sun, Sep 28 - Sun, Oct 5

6:30 am - 8:20 amBUF-BCN

19h 50m2 stops

12:00 pm - 10:01 amBCN-BUF

28h 01m2 stops

$628United Airlines

Find Deal

Sat, Sep 27 - Sat, Oct 4

6:00 pm - 7:20 pmBUF-BCN

19h 20m2 stops

10:40 pm - 8:53 amBCN-BUF

40h 13m2 stops

$668TAP AIR PORTUGAL

Find Deal

Tue, Oct 7 - Mon, Oct 20

5:44 pm - 6:00 amBUF-BCN

30h 16m1 stop

11:35 am - 11:37 pmBCN-BUF

18h 02m1 stop

$733Delta

Find Deal

Sun, Aug 31 - Fri, Sep 12

6:00 am - 9:20 amBUF-BCN

21h 20m1 stop

6:20 am - 6:25 pmBCN-BUF

18h 05m2 stops

$734Delta

Find Deal

Tue, Oct 7 - Mon, Oct 20

United Airlines flights from Buffalo to Barcelona

Our best United Airlines deals on Buffalo to Barcelona flight tickets

United Airlines

Sep 28

BUF10:28 amBuffalo

15h 52m

1 stop

BCN8:20 amBarcelona-El Prat

Oct 5

BCN12:00 pmBarcelona-El Prat

16h 42m

1 stop

BUF10:42 pmBuffalo

$624

Find similar

United Airlines

Sep 27

BUF6:30 amBuffalo

19h 50m

2 stops

BCN8:20 amBarcelona-El Prat

Oct 4

BCN12:00 pmBarcelona-El Prat

28h 01m

2 stops

BUF10:01 amBuffalo

$628

Find similar

United Airlines

Sep 27

BUF6:30 amBuffalo

19h 50m

2 stops

BCN8:20 amBarcelona-El Prat

Oct 4

BCN12:00 pmBarcelona-El Prat

28h 01m

2 stops

BUF10:01 amBuffalo

$631

Find similar

Air Canada flights from Buffalo to Barcelona

Our best Air Canada deals on Buffalo to Barcelona flight tickets

Air Canada

Sep 21

BUF7:05 amBuffalo

18h 45m

2 stops

BCN7:50 amBarcelona-El Prat

Oct 7

BCN1:15 pmBarcelona-El Prat

26h 38m

2 stops

BUF9:53 amBuffalo

$584

Find similar

Air Canada

Sep 27

BUF8:20 amBuffalo

17h 30m

2 stops

BCN7:50 amBarcelona-El Prat

Oct 4

BCN1:15 pmBarcelona-El Prat

33h 38m

2 stops

BUF4:53 pmBuffalo

$658

Find similar

Air Canada

Sep 2

BUF5:54 pmBuffalo

31h 56m

2 stops

BCN7:50 amBarcelona-El Prat

Sep 12

BCN12:10 pmBarcelona-El Prat

39h 06m

2 stops

BUF9:16 pmBuffalo

$706

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 9/21

6:00 am-9:05 am

1 stop21h 05m

Barcelona-El Prat

Tue 10/7

2:00 pm-11:10 am

1 stop27h 10m

$577

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 9/21

7:05 am-7:50 am

2 stops18h 45m

Barcelona-El Prat

Tue 10/7

1:15 pm-9:53 am

2 stops26h 38m

$584

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 9/21

1:29 pm-9:05 am

1 stop13h 36m

Barcelona-El Prat

Tue 10/7

2:00 pm-11:42 pm

2 stops15h 42m

$590

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 9/28

7:07 am-7:50 am

2 stops18h 43m

Barcelona-El Prat

Sun 10/5

6:50 am-10:42 pm

2 stops21h 52m

$604

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 9/28

7:07 am-7:50 am

2 stops18h 43m

Barcelona-El Prat

Sun 10/5

12:00 pm-10:42 pm

1 stop16h 42m

$607

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 9/28

10:28 am-8:20 am

1 stop15h 52m

Barcelona-El Prat

Sun 10/5

12:00 pm-10:42 pm

1 stop16h 42m

$624

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sat 9/27

6:30 am-8:20 am

2 stops19h 50m

Barcelona-El Prat

Sat 10/4

12:00 pm-10:01 am

2 stops28h 01m

$628

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/7

6:00 pm-7:20 pm

2 stops19h 20m

Barcelona-El Prat

Mon 10/20

10:40 pm-8:53 am

2 stops40h 13m

$668

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 8/31

5:44 pm-6:00 am

1 stop30h 16m

Barcelona-El Prat

Fri 9/12

11:35 am-11:37 pm

1 stop18h 02m

$733

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/7

6:00 am-9:20 am

1 stop21h 20m

Barcelona-El Prat

Mon 10/20

6:20 am-6:25 pm

2 stops18h 05m

$734

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 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 $622.

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

Best Price Found	$324
Fastest flight time	10h 57m
Direct flights	None
Airports in Barcelona	1 airport

The best one-way flight to Barcelona from Buffalo in the past 72 hours is $324. The best round-trip flight deal from Buffalo to Barcelona found on momondo in the last 72 hours is $577.

The fastest flight from Buffalo to Barcelona takes 10h 57m

There are no direct flights from Buffalo to Barcelona. Popular non-direct route for this connection is Buffalo Airport - Barcelona-El Prat Airport.

There is 1 airport near Barcelona: Barcelona-El Prat (BCN)

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How far is Buffalo to Barcelona by plane?
There are 3979.1 mi between Buffalo and Barcelona. Typically, this will take 13h 21m 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 5 operators available for flights from Buffalo Airport to Barcelona as of August 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
Delta	PriceFrom $155	Free Cancellation	Rating 8.0 7,980 reviews	Search Delta flights
United Airlines	PriceFrom $560	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
KLM	PriceFrom $610	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
American Airlines	PriceFrom $619	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $700	Free Cancellation	Rating 6.6 7,266 reviews	Search British Airways 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.