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

Scandinavian Airlines, Lufthansa, and TAP AIR PORTUGAL 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 46% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 4 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 3 operators available for flights from Buffalo Airport to Barcelona as of September 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.

$376 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

2:50 pm - 7:50 amBUF-BCN

35h 00m2 stops

12:10 pm - 9:13 pmBCN-BUF

39h 03m2 stops

$535United Airlines

Find Deal

Mon, Oct 13 - Tue, Oct 21

11:10 am - 6:00 amBUF-BCN

12h 50m1 stop

9:00 am - 11:56 pmBCN-BUF

20h 56m1 stop

$548KLM

Find Deal

Tue, Sep 30 - Fri, Oct 10

7:00 am - 6:00 amBUF-BCN

17h 00m1 stop

11:35 am - 11:39 pmBCN-BUF

18h 04m1 stop

$553Multiple Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

6:15 am - 6:00 amBUF-BCN

17h 45m2 stops

9:00 am - 11:56 pmBCN-BUF

20h 56m1 stop

$557Delta

Find Deal

Tue, Sep 30 - Fri, Oct 10

1:52 pm - 8:35 amBUF-BCN

37h 43m2 stops

6:50 am - 10:58 pmBCN-BUF

22h 08m2 stops

$583Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

7:00 am - 6:00 amBUF-BCN

17h 00m1 stop

6:20 am - 6:50 pmBCN-BUF

18h 30m2 stops

$594Delta

Find Deal

Mon, Oct 13 - Tue, Oct 21

5:11 am - 9:05 amBUF-BCN

21h 54m1 stop

2:00 pm - 10:53 pmBCN-BUF

14h 53m1 stop

$634American Airlines

Find Deal

Mon, Oct 13 - Tue, Oct 21

1:28 pm - 9:05 amBUF-BCN

13h 37m1 stop

10:45 am - 11:56 pmBCN-BUF

19h 11m1 stop

$646British Airways

Find Deal

Thu, Oct 2 - Sun, Oct 5

1:28 pm - 9:05 amBUF-BCN

13h 37m1 stop

10:45 am - 11:56 pmBCN-BUF

19h 11m1 stop

$653British Airways

Find Deal

Thu, Oct 2 - Sun, Oct 5

4:27 pm - 12:15 pmBUF-BCN

13h 48m2 stops

10:45 am - 11:56 pmBCN-BUF

19h 11m1 stop

$657American Airlines

Find Deal

Thu, Oct 2 - Sun, Oct 5

United Airlines flights from Buffalo to Barcelona

Our best United Airlines deals on Buffalo to Barcelona flight tickets

United Airlines

Oct 13

BUF2:50 pmBuffalo

35h 00m

2 stops

BCN7:50 amBarcelona-El Prat

Oct 21

BCN12:10 pmBarcelona-El Prat

39h 03m

2 stops

BUF9:13 pmBuffalo

$535

Find similar

United Airlines

Oct 13

BUF2:50 pmBuffalo

14h 25m

2 stops

BCN11:15 amBarcelona-El Prat

Oct 21

BCN12:10 pmBarcelona-El Prat

32h 02m

2 stops

BUF2:12 pmBuffalo

$552

Find similar

United Airlines

Oct 21

BUF6:30 amBuffalo

19h 20m

2 stops

BCN7:50 amBarcelona-El Prat

Oct 31

BCN3:05 pmBarcelona-El Prat

34h 55m

1 stop

BUF9:00 pmBuffalo

$558

Find similar

Lufthansa flights from Buffalo to Barcelona

Our best Lufthansa deals on Buffalo to Barcelona flight tickets

Lufthansa

Oct 29

BUF12:15 pmBuffalo

15h 45m

1 stop

BCN9:00 amBarcelona-El Prat

Nov 5

BCN6:30 pmBarcelona-El Prat

34h 28m

2 stops

BUF10:58 pmBuffalo

$595

Find similar

Lufthansa

Oct 21

BUF7:45 pmBuffalo

19h 55m

2 stops

BCN9:40 pmBarcelona-El Prat

Oct 29

BCN6:50 amBarcelona-El Prat

21h 08m

2 stops

BUF10:58 pmBuffalo

$643

Find similar

Lufthansa

Oct 18

BUF7:45 pmBuffalo

38h 30m

2 stops

BCN4:15 pmBarcelona-El Prat

Oct 29

BCN6:50 amBarcelona-El Prat

21h 08m

2 stops

BUF10:58 pmBuffalo

$652

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 10/13

2:50 pm-7:50 am

2 stops35h 00m

Barcelona-El Prat

Tue 10/21

12:10 pm-9:13 pm

2 stops39h 03m

$535

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/30

11:10 am-6:00 am

1 stop12h 50m

Barcelona-El Prat

Fri 10/10

9:00 am-11:56 pm

1 stop20h 56m

$548

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Wed 10/15

7:00 am-6:00 am

1 stop17h 00m

Barcelona-El Prat

Wed 10/22

11:35 am-11:39 pm

1 stop18h 04m

$553

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 9/30

6:15 am-6:00 am

2 stops17h 45m

Barcelona-El Prat

Fri 10/10

9:00 am-11:56 pm

1 stop20h 56m

$557

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/30

1:52 pm-8:35 am

2 stops37h 43m

Barcelona-El Prat

Thu 11/6

6:50 am-10:58 pm

2 stops22h 08m

$583

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 10/13

7:00 am-6:00 am

1 stop17h 00m

Barcelona-El Prat

Tue 10/21

6:20 am-6:50 pm

2 stops18h 30m

$594

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 10/13

5:11 am-9:05 am

1 stop21h 54m

Barcelona-El Prat

Tue 10/21

2:00 pm-10:53 pm

1 stop14h 53m

$634

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/2

1:28 pm-9:05 am

1 stop13h 37m

Barcelona-El Prat

Sun 10/5

10:45 am-11:56 pm

1 stop19h 11m

$646

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/2

1:28 pm-9:05 am

1 stop13h 37m

Barcelona-El Prat

Sun 10/5

10:45 am-11:56 pm

1 stop19h 11m

$653

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 10/2

4:27 pm-12:15 pm

2 stops13h 48m

Barcelona-El Prat

Sun 10/5

10:45 am-11:56 pm

1 stop19h 11m

$657

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $610. 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 $619.

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

Direct flights	None

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 03m 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 3 operators available for flights from Buffalo Airport to Barcelona as of September 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
United Airlines	PriceFrom $582	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
British Airways	PriceFrom $697	Free Cancellation	Rating 6.7 7,363 reviews	Search British Airways flights
American Airlines	PriceFrom $807	Free Cancellation	Rating 7.2 10,000 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.