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Cheap flights from Buffalo to Barcelona from $331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Barcelona departing on 9/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
10:30 am - 5:45 pm
BUF
-
BCN
25h 15m
2 stops
SWISS Logo
9:40 am - 8:47 pm
BCN
-
BUF
17h 07m
2 stops
$696SWISS
Mon, Sep 21 - Wed, Sep 30
SWISS Logo
10:30 am - 8:50 am
BUF
-
BCN
16h 20m
2 stops
SWISS Logo
6:00 am - 8:47 pm
BCN
-
BUF
20h 47m
2 stops
$697SWISS
Mon, Sep 21 - Wed, Sep 30
United Airlines Logo
6:00 am - 9:35 am
BUF
-
BCN
21h 35m
2 stops
United Airlines Logo
1:35 pm - 3:16 pm
BCN
-
BUF
31h 41m
2 stops
$700United Airlines
Tue, Nov 3 - Fri, Nov 20
Iberia Logo
6:49 pm - 3:40 pm
BUF
-
BCN
14h 51m
2 stops
Iberia Logo
11:30 am - 11:10 pm
BCN
-
BUF
16h 40m
1 stop
$713Iberia
Tue, Oct 20 - Tue, Oct 27
British Airways Logo
4:26 pm - 1:40 pm
BUF
-
BCN
15h 14m
2 stops
British Airways Logo
12:00 pm - 10:52 pm
BCN
-
BUF
16h 52m
1 stop
$715British Airways
Tue, Nov 3 - Fri, Nov 20
United Airlines Logo
10:40 am - 1:15 pm
BUF
-
BCN
20h 35m
1 stop
United Airlines Logo
11:15 am - 11:36 pm
BCN
-
BUF
18h 21m
1 stop
$717United Airlines
Mon, Sep 28 - Thu, Oct 1
American Airlines Logo
5:26 pm - 1:15 pm
BUF
-
BCN
13h 49m
2 stops
American Airlines Logo
11:30 am - 11:26 pm
BCN
-
BUF
16h 56m
2 stops
$718American Airlines
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
10:40 am - 1:15 pm
BUF
-
BCN
20h 35m
1 stop
United Airlines Logo
6:40 am - 11:11 pm
BCN
-
BUF
22h 31m
2 stops
$721United Airlines
Mon, Sep 28 - Thu, Oct 1
United Airlines Logo
10:40 am - 8:20 am
BUF
-
BCN
15h 40m
2 stops
United Airlines Logo
11:15 am - 9:29 am
BCN
-
BUF
28h 14m
2 stops
$722United Airlines
Mon, Sep 28 - Thu, Oct 1
Multiple Airlines Logo
6:59 pm - 12:50 pm
BUF
-
BCN
11h 51m
1 stop
Multiple Airlines Logo
9:20 am - 7:19 pm
BCN
-
BUF
15h 59m
2 stops
$723Multiple Airlines
Mon, Sep 21 - Wed, Sep 30

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United Airlines flights from Buffalo to Barcelona

Our best United Airlines deals on Buffalo to Barcelona flight tickets
United Airlines
Nov 3
BUF6:00 amBuffalo
21h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Nov 20
BCN1:35 pmBarcelona-El Prat
31h 41m
2 stops
BUF3:16 pmBuffalo
$700
United Airlines
Sep 28
BUF10:40 amBuffalo
20h 35m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 1
BCN11:15 amBarcelona-El Prat
18h 21m
1 stop
BUF11:36 pmBuffalo
$717
United Airlines
Sep 28
BUF10:40 amBuffalo
20h 35m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 1
BCN6:40 amBarcelona-El Prat
22h 31m
2 stops
BUF11:11 pmBuffalo
$721

British Airways flights from Buffalo to Barcelona

Our best British Airways deals on Buffalo to Barcelona flight tickets
British Airways
Nov 3
BUF4:26 pmBuffalo
15h 14m
2 stops
BCN1:40 pmBarcelona-El Prat
Nov 20
BCN12:00 pmBarcelona-El Prat
16h 52m
1 stop
BUF10:52 pmBuffalo
$715
British Airways
Nov 3
BUF4:26 pmBuffalo
15h 14m
2 stops
BCN1:40 pmBarcelona-El Prat
Nov 20
BCN10:35 amBarcelona-El Prat
18h 17m
2 stops
BUF10:52 pmBuffalo
$725
British Airways
Sep 20
BUF6:56 pmBuffalo
17h 29m
2 stops
BCN6:25 pmBarcelona-El Prat
Sep 29
BCN12:50 pmBarcelona-El Prat
14h 28m
1 stop
BUF9:18 pmBuffalo
$735

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Buffalo to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 9/21

10:30 am-5:45 pm

2 stops25h 15m

Barcelona-El Prat

Wed 9/30

9:40 am-8:47 pm

2 stops17h 07m

$696

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 9/21

10:30 am-8:50 am

2 stops16h 20m

Barcelona-El Prat

Wed 9/30

6:00 am-8:47 pm

2 stops20h 47m

$697

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 11/3

6:00 am-9:35 am

2 stops21h 35m

Barcelona-El Prat

Fri 11/20

1:35 pm-3:16 pm

2 stops31h 41m

$700

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/20

6:49 pm-3:40 pm

2 stops14h 51m

Barcelona-El Prat

Tue 10/27

11:30 am-11:10 pm

1 stop16h 40m

$713

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 11/3

4:26 pm-1:40 pm

2 stops15h 14m

Barcelona-El Prat

Fri 11/20

12:00 pm-10:52 pm

1 stop16h 52m

$715

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 9/28

10:40 am-1:15 pm

1 stop20h 35m

Barcelona-El Prat

Thu 10/1

11:15 am-11:36 pm

1 stop18h 21m

$717

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 10/20

5:26 pm-1:15 pm

2 stops13h 49m

Barcelona-El Prat

Tue 10/27

11:30 am-11:26 pm

2 stops16h 56m

$718

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 9/28

10:40 am-1:15 pm

1 stop20h 35m

Barcelona-El Prat

Thu 10/1

6:40 am-11:11 pm

2 stops22h 31m

$721

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 9/28

10:40 am-8:20 am

2 stops15h 40m

Barcelona-El Prat

Thu 10/1

11:15 am-9:29 am

2 stops28h 14m

$722
Quickest round-trip

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 9/21

6:59 pm-12:50 pm

1 stop11h 51m

Barcelona-El Prat

Wed 9/30

9:20 am-7:19 pm

2 stops15h 59m

$723

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the typical price of a round-trip flight between Buffalo and Barcelona?

What is the cheapest month to fly to Barcelona?

The month of September is, on average, the cheapest month to fly to Barcelona from Buffalo, with most prices found around $137. If you don’t want to visit Barcelona in September, then you should wait until August to fly from Buffalo, when ticket prices are also cheap, with an average price of $155.

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

14h 51m

Direct flights

None
The fastest flight from Buffalo to Barcelona takes 14h 51m
There are no direct flights from Buffalo to Barcelona. There are no popular flight routes from Buffalo to Barcelona.
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Frequently asked questions about flying from Buffalo to Barcelona

  • How far is Buffalo to Barcelona by plane?

    There are 3979.1 mi between Buffalo and Barcelona. Typically, this will take 14h 51m 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?

  • 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
JetBluePriceFrom $137Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
DeltaPriceFrom $155Free CancellationRating
7.9
8,399 reviews
Search Delta flights
KLMPriceFrom $513Free CancellationRating
7.8
1,527 reviews
Search KLM flights
United AirlinesPriceFrom $582Free CancellationRating
7.4
9,804 reviews
Search United Airlines flights
American AirlinesPriceFrom $807Free CancellationRating
7.1
11,640 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.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport