$391 Cheap Flights from Buffalo (BUF) to Barcelona (BCN)

View $391 flight on Tue, Oct 7, 2025Opens in a new window

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

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Cheap Flights from Buffalo to Barcelona (BUF-BCN)

Prices were available within the past 7 days and start at $391 for one-way flights and $583 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Nov 11 - Tue, Nov 18
BUF
Buffalo
BCN
Barcelona
$583 Roundtrip, found 3 hours ago
$583
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Nov 11 from Buffalo to Barcelona, returning Tue, Nov 18, priced at $583 found 3 hours ago
British Airways
Tue, Nov 11 - Tue, Nov 18
BUF
Buffalo
BCN
Barcelona
$583 Roundtrip, found 3 hours ago
$583
Roundtrip
found 3 hours ago
Select British Airways flight, departing Tue, Nov 11 from Buffalo to Barcelona, returning Tue, Nov 18, priced at $583 found 3 hours ago
United
Tue, Nov 11 - Tue, Nov 18
BUF
Buffalo
BCN
Barcelona
$583 Roundtrip, found 3 hours ago
$583
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Nov 11 from Buffalo to Barcelona, returning Tue, Nov 18, priced at $583 found 3 hours ago
United
Tue, Nov 11 - Tue, Nov 18
BUF
Buffalo
BCN
Barcelona
$587 Roundtrip, found 3 hours ago
$587
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Nov 11 from Buffalo to Barcelona, returning Tue, Nov 18, priced at $587 found 3 hours ago
Delta
Sat, Nov 1 - Wed, Nov 12
BUF
Buffalo
BCN
Barcelona
$588 Roundtrip, found 1 day ago
$588
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 1 from Buffalo to Barcelona, returning Wed, Nov 12, priced at $588 found 1 day ago
Air Canada
Sun, Sep 21 - Tue, Oct 7
BUF
Buffalo
BCN
Barcelona
$589 Roundtrip, found 5 hours ago
$589
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Sun, Sep 21 from Buffalo to Barcelona, returning Tue, Oct 7, priced at $589 found 5 hours ago
Virgin Atlantic
Sun, Jan 18 - Sat, Jan 31
BUF
Buffalo
BCN
Barcelona
$638 Roundtrip, found 7 hours ago
$638
Roundtrip
found 7 hours ago
Select Virgin Atlantic flight, departing Sun, Jan 18 from Buffalo to Barcelona, returning Sat, Jan 31, priced at $638 found 7 hours ago
KLM
Sat, Nov 1 - Wed, Nov 12
BUF
Buffalo
BCN
Barcelona
$641 Roundtrip, found 1 day ago
$641
Roundtrip
found 1 day ago
Select KLM flight, departing Sat, Nov 1 from Buffalo to Barcelona, returning Wed, Nov 12, priced at $641 found 1 day ago
Air France
Tue, Nov 11 - Tue, Nov 18
BUF
Buffalo
BCN
Barcelona
$654 Roundtrip, found 3 hours ago
$654
Roundtrip
found 3 hours ago
Select Air France flight, departing Tue, Nov 11 from Buffalo to Barcelona, returning Tue, Nov 18, priced at $654 found 3 hours ago
Lufthansa
Wed, Nov 12 - Thu, Nov 27
BUF
Buffalo
BCN
Barcelona
$657 Roundtrip, found 1 day ago
$657
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Nov 12 from Buffalo to Barcelona, returning Thu, Nov 27, priced at $657 found 1 day ago

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

November is typically the cheapest month to fly

From $530 - $1,109 per traveler.

Graph displaying average flight prices per month

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, ITA Airways, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Royal Air Maroc, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$582
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 November. 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 $391 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?
Discover the latest flight deals from BUF to BCN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BUF to BCN?
The cheapest flights from BUF to BCN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BUF to BCN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BUF to BCN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.