$346 Cheap Flights from Buffalo (BUF) to Barcelona (BCN)

View $346 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Barcelona El Prat Airport (BCN)

Cheap Flights from Buffalo to Barcelona (BUF-BCN)

Prices were available within the past 7 days and start at $346 for one-way flights and $434 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Wed, Dec 31 - Tue, Jan 13
BUF
Buffalo
BCN
Barcelona
$434 Roundtrip, found 14 hours ago
$434
Roundtrip
found 14 hours ago
Select Virgin Atlantic flight, departing Wed, Dec 31 from Buffalo to Barcelona, returning Tue, Jan 13, priced at $434 found 14 hours ago
Delta
Mon, Dec 29 - Thu, Jan 15
BUF
Buffalo
BCN
Barcelona
$434 Roundtrip, found 14 hours ago
$434
Roundtrip
found 14 hours ago
Select Delta flight, departing Mon, Dec 29 from Buffalo to Barcelona, returning Thu, Jan 15, priced at $434 found 14 hours ago
Delta
Wed, Dec 31 - Wed, Jan 14
BUF
Buffalo
BCN
Barcelona
$438 Roundtrip, found 16 hours ago
$438
Roundtrip
found 16 hours ago
Select Delta flight, departing Wed, Dec 31 from Buffalo to Barcelona, returning Wed, Jan 14, priced at $438 found 16 hours ago
Delta
Tue, Dec 9 - Thu, Dec 18
BUF
Buffalo
BCN
Barcelona
$453 Roundtrip, found 5 days ago
$453
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Dec 9 from Buffalo to Barcelona, returning Thu, Dec 18, priced at $453 found 5 days ago
Virgin Atlantic
Wed, Dec 31 - Sun, Jan 18
BUF
Buffalo
BCN
Barcelona
$459 Roundtrip, found 14 hours ago
$459
Roundtrip
found 14 hours ago
Select Virgin Atlantic flight, departing Wed, Dec 31 from Buffalo to Barcelona, returning Sun, Jan 18, priced at $459 found 14 hours ago
American Airlines
Thu, Nov 27 - Thu, Dec 4
BUF
Buffalo
BCN
Barcelona
$480 Roundtrip, found 2 days ago
$480
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Nov 27 from Buffalo to Barcelona, returning Thu, Dec 4, priced at $480 found 2 days ago
British Airways
Mon, Nov 24 - Tue, Dec 9
BUF
Buffalo
BCN
Barcelona
$481 Roundtrip, found 14 hours ago
$481
Roundtrip
found 14 hours ago
Select British Airways flight, departing Mon, Nov 24 from Buffalo to Barcelona, returning Tue, Dec 9, priced at $481 found 14 hours ago
KLM
Mon, Nov 24 - Tue, Dec 2
BUF
Buffalo
BCN
Barcelona
$514 Roundtrip, found 1 day ago
$514
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Nov 24 from Buffalo to Barcelona, returning Tue, Dec 2, priced at $514 found 1 day ago
Air France
Tue, Nov 18 - Mon, Nov 24
BUF
Buffalo
BCN
Barcelona
$532 Roundtrip, just found
$532
Roundtrip
just found
Select Air France flight, departing Tue, Nov 18 from Buffalo to Barcelona, returning Mon, Nov 24, priced at $532 just found
Scandinavian Airlines
Mon, Nov 24 - Tue, Dec 9
BUF
Buffalo
BCN
Barcelona
$532 Roundtrip, found 14 hours ago
$532
Roundtrip
found 14 hours ago
Select Scandinavian Airlines flight, departing Mon, Nov 24 from Buffalo to Barcelona, returning Tue, Dec 9, priced at $532 found 14 hours ago

Find the cheapest month to fly from Buffalo (BUF) to Barcelona (BCN)

November is typically the cheapest month to fly

From $471 - $1,188 per traveler.
Flights from Buffalo (BUF) to Barcelona (BCN)
Origin airport
Buffalo Niagara Intl.
Destination airport
Barcelona Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Royal Air Maroc, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$433
Distance
3972 mi

Buffalo to Barcelona Flights

The cheapest times to fly from Buffalo to Barcelona

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Barcelona are during the month of December. You can find some of the cheapest flights from Buffalo to Barcelona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Barcelona

Sunday is one of the best days to book for cheap flights from Buffalo to Barcelona: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to Barcelona

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Barcelona in 2025. You can also book with separate airlines for your outbound and return journeys, from $346 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Barcelona flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to Barcelona airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN) cost?
Secure a cheap one-way flight from $346 or cheap return flight from $434 from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN)?
December is the least expensive month to fly from BUF to BCN. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BUF to BCN flight.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN)?
Nonstop flights from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to BCN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN)?
To land at Barcelona Intl. Airport (BCN) on schedule, opt for a flight that takes off from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN) last-minute?
Booking your plane ticket from BUF to BCN right before your getaway is typically more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a BUF to BCN flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to BCN flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Barcelona Intl. Airport (BCN)?
If you booked your BUF to BCN flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.