HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$403+ Cheap flights from Buffalo (BUF) to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Barcelona with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Buffalo to Barcelona are usually found in January or February, booked 2 days in advance, depart on a Saturday or Wednesday and return on a Monday

Cheap flight deals from Buffalo to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Round-trip from

$761
(Cheapflightsfares)

One-way from

$403
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$787
From Buffalo to Barcelona
Search Deals
One-way flight from Buffalo to Barcelona
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($368 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Buffalo to Barcelona

Cheapest flights from Buffalo to Barcelona
Explore the most affordable flight options available from Buffalo to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/157:00 amBUF - BCN
2 stops21h 50mITA Airways
Tue 4/296:20 amBCN - BUF
2 stops24h 07mITA Airways
Deal found 3/27$761
This oojo deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1512:44 pmBUF - BCN
1 stop15h 46mBritish Airways
Tue 4/2910:45 amBCN - BUF
1 stop16h 50mBritish Airways
Deal found 3/27$780
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1512:44 pmBUF - BCN
1 stop15h 46mAmerican Airlines
Tue 4/2912:50 pmBCN - BUF
2 stops16h 36mAmerican Airlines
Deal found 3/27$795
This oojo deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:55 pmBUF - BCN
2 stops25h 15mTurkish Airlines
Sun 9/217:50 amBCN - BUF
2 stops31h 45mTurkish Airlines
Deal found 3/27$806
This Gurufare deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1712:05 pmBUF - BCN
2 stops24h 05mScandinavian Airlines
Mon 4/287:00 pmBCN - BUF
2 stops35h 27mScandinavian Airlines
Deal found 3/27$821
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/92:50 pmBUF - BCN
2 stops15h 05mUnited Airlines
Fri 5/161:15 pmBCN - BUF
2 stops30h 45mUnited Airlines
Deal found 3/26$858
This flugladen.de deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:00 amBUF - BCN
1 stop21h 00mBrussels Airlines
Sun 5/188:00 amBCN - BUF
2 stops21h 57mBrussels Airlines
Deal found 3/27$869
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1112:05 pmBUF - BCN
1 stop15h 15mDelta
Sun 5/181:20 pmBCN - BUF
2 stops17h 20mDelta
Deal found 3/27$870
This KLM deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:15 pmBUF - BCN
1 stop10h 40mMultiple Airlines
Sat 10/252:10 pmBCN - BUF
1 stop15h 48mMultiple Airlines
Deal found 3/25$891
This Booking.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 amBUF - BCN
2 stops20h 20mAir Canada
Sat 10/181:15 pmBCN - BUF
2 stops33h 32mAir Canada
Deal found 3/26$895
This KLM deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1112:05 pmBUF - BCN
1 stop13h 10mKLM
Sun 5/189:00 amBCN - BUF
1 stop21h 40mKLM
Deal found 3/27$951
This Priceline deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:02 pmBUF - BCN
2 stops15h 53mTAP AIR PORTUGAL
Sat 4/56:00 amBCN - BUF
2 stops20h 53mTAP AIR PORTUGAL
Deal found 3/26$1,165

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Buffalo to Barcelona that are best for you.

Fly from

Buffalo

Fly to

Barcelona

Route

Depart

Return

Price

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 4/15

7:00 am-10:50 am

2 stops21h 50m

Barcelona-El Prat

Tue 4/29

6:20 am-12:27 am

2 stops24h 07m

$761

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 4/15

12:44 pm-10:30 am

1 stop15h 46m

Barcelona-El Prat

Tue 4/29

10:45 am-9:35 pm

1 stop16h 50m

$780

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Tue 4/15

12:44 pm-10:30 am

1 stop15h 46m

Barcelona-El Prat

Tue 4/29

12:50 pm-11:26 pm

2 stops16h 36m

$795

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Mon 9/8

3:55 pm-11:10 pm

2 stops25h 15m

Barcelona-El Prat

Sun 9/21

7:50 am-9:35 am

2 stops31h 45m

$806

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Thu 4/17

12:05 pm-6:10 pm

2 stops24h 05m

Barcelona-El Prat

Mon 4/28

7:00 pm-12:27 am

2 stops35h 27m

$821

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Fri 5/9

2:50 pm-11:55 am

2 stops15h 05m

Barcelona-El Prat

Fri 5/16

1:15 pm-2:00 pm

2 stops30h 45m

$858

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 5/11

6:00 am-9:00 am

1 stop21h 00m

Barcelona-El Prat

Sun 5/18

8:00 am-11:57 pm

2 stops21h 57m

$869

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 5/11

12:05 pm-9:20 am

1 stop15h 15m

Barcelona-El Prat

Sun 5/18

1:20 pm-12:40 am

2 stops17h 20m

$870

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 5/11

10:30 am-7:50 am

2 stops15h 20m

Barcelona-El Prat

Sun 5/18

6:50 am-9:22 pm

3 stops20h 32m

$915

BuffaloBarcelona

BUF - BCN

BUFBCN

Buffalo

Sun 5/11

6:45 am-7:50 am

3 stops19h 05m

Barcelona-El Prat

Sun 5/18

6:50 am-9:22 pm

3 stops20h 32m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Buffalo to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Barcelona

What is the cheapest month to book a flight from Buffalo to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $523). Flying from Buffalo to Barcelona in June is currently the most expensive (average of $1,080). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to BCN?

Find hourly flight availability from Buffalo to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% on flights from Buffalo to Barcelona by exploring options for tickets in the morning.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Turkish Airlines
7.3
Good
3,744 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Barcelona?

    If you book a flight to Barcelona from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo. There are 0 flights from Buffalo to Barcelona per day from 5 different airlines.

  • What are the cheapest airlines flying from Buffalo to Barcelona round-trip?

    Our cheapest airline available from Buffalo to Barcelona is ITA Airways. Our recent data shows that you can find tickets from as low as $761 on this airline. Additional options worth looking into are British Airways and American Airlines, starting at $780 and $795 round-trip. ITA Airways is currently priced 23% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Buffalo to Barcelona one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $476. However, be on the lookout for offers from KLM and Turkish Airlines, as they are both options that can get you from Buffalo to Barcelona for a low price.

  • Can I find deals for flights from Buffalo to Barcelona that include hotel bookings?

    Yes. In addition to deals on Buffalo to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Barcelona.

  • Can I find deals for business class flights from Buffalo to Barcelona?

    Yes. Cheapflights offers flight deals from Buffalo to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $523). Flying from Buffalo to Barcelona in June is currently the most expensive (average of $1,080). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Buffalo to Barcelona

Discover the top 5 airlines that operate flights from Buffalo to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$484Average$1,021FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$543Average$1,093FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$560Average$883FlexibilityNo cancel feeOn-time69%
DeltaCheapest$601Average$819FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$610Average$824FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.