$324+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Jun 7 — Jun 141
Round-trip
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.Cheap flight deals from Buffalo to Barcelona
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to BarcelonaExplore 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 May 8, 2026.
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 May 8, 2026.
This KLM deal was found by Cheapflights users on 5/5. 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.
Wed 10/143:50 pm
BUF
- BCN
1 stop10h 55m
KLM
Thu 10/2910:50 am
BCN
- BUF
1 stop18h 05m
KLM
Deal found 5/5![KLM logo]()
$717
This KLM deal was found by Cheapflights users on 5/5. 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.
Wed 10/147:15 pm
BUF
- BCN
2 stops14h 20m
Multiple Airlines
Thu 10/2910:50 am
BCN
- BUF
1 stop18h 05m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$722
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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 9/110:54 am
BUF
- BCN
2 stops26h 16m
SWISS
Sat 9/126:00 am
BCN
- BUF
2 stops21h 08m
SWISS
Deal found 5/6![SWISS logo]()
$795
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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.
Thu 9/310:54 am
BUF
- BCN
2 stops26h 16m
SWISS
Wed 9/96:00 am
BCN
- BUF
2 stops21h 08m
SWISS
Deal found 5/5![SWISS logo]()
$825
This Delta deal was found by Cheapflights users on 5/6. 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.
Fri 10/911:15 am
BUF
- BCN
2 stops15h 45m
Delta
Sun 10/1110:55 am
BCN
- BUF
1 stop18h 55m
Delta
Deal found 5/6![Delta logo]()
$829
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 9/17:04 pm
BUF
- BCN
2 stops30h 56m
United Airlines
Sat 9/126:40 am
BCN
- BUF
2 stops22h 38m
United Airlines
Deal found 5/5![United Airlines logo]()
$831
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 8/510:00 am
BUF
- BCN
2 stops18h 15m
Delta
Tue 8/116:20 am
BCN
- BUF
2 stops18h 59m
Delta
Deal found 5/5![Delta logo]()
$834
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Sun 10/251:55 pm
BUF
- BCN
1 stop18h 15m
United Airlines
Sun 11/11:35 pm
BCN
- BUF
2 stops26h 12m
United Airlines
Deal found 5/7![United Airlines logo]()
$837
This Delta deal was found by Cheapflights users on 5/7. 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.
Tue 9/17:25 pm
BUF
- BCN
2 stops17h 25m
Delta
Sat 9/1210:55 am
BCN
- BUF
1 stop29h 40m
Delta
Deal found 5/7![Delta logo]()
$838
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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.
Fri 10/93:10 pm
BUF
- BCN
2 stops19h 45m
TAP AIR PORTUGAL
Sun 10/1111:25 am
BCN
- BUF
2 stops26h 59m
TAP AIR PORTUGAL
Deal found 5/6![TAP AIR PORTUGAL logo]()
$849
This KLM deal was found by Cheapflights users on 5/7. 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.
Mon 8/310:00 am
BUF
- BCN
1 stop16h 45m
KLM
Tue 8/119:20 am
BCN
- BUF
2 stops15h 59m
KLM
Deal found 5/7![KLM logo]()
$855
Best flights from Buffalo to BarcelonaDiscover carefully curated flight deals from Buffalo to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 8, 2026.
Discover carefully curated flight deals from Buffalo to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 8, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 5/4. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am
BUF
- BCN
2 stops19h 35m
Virgin Atlantic
Thu 10/2910:50 am
BCN
- BUF
2 stops17h 15m
Virgin Atlantic
Deal found 5/4![Virgin Atlantic logo]()
$722
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 9/17:04 pm
BUF
- BCN
2 stops30h 56m
United Airlines
Sat 9/126:40 am
BCN
- BUF
2 stops22h 38m
United Airlines
Deal found 5/5![United Airlines logo]()
$831
This Delta deal was found by Cheapflights users on 5/7. 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.
Tue 9/17:25 pm
BUF
- BCN
2 stops17h 25m
Delta
Sat 9/1210:55 am
BCN
- BUF
1 stop29h 40m
Delta
Deal found 5/7![Delta logo]()
$838
This KLM deal was found by Cheapflights users on 5/7. 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.
Mon 8/310:00 am
BUF
- BCN
1 stop16h 45m
KLM
Tue 8/119:20 am
BCN
- BUF
2 stops15h 59m
KLM
Deal found 5/7![KLM logo]()
$855
This Delta deal was found by Cheapflights users on 5/7. 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.
Mon 8/312:16 pm
BUF
- BCN
2 stops16h 59m
Delta
Tue 8/119:20 am
BCN
- BUF
2 stops21h 20m
Delta
Deal found 5/7![Delta logo]()
$859
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/187:00 am
BUF
- BCN
2 stops20h 20m
United Airlines
Sat 9/2612:15 pm
BCN
- BUF
2 stops34h 32m
United Airlines
Deal found 5/5![United Airlines logo]()
$865
Last-minute flights from Buffalo to BarcelonaDiscover last-minute flight deals from Buffalo to Barcelona. Data last updated May 8, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Barcelona. Data last updated May 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Thu 5/77:00 am
BUF
- BCN
1 stop20h 05m
American Airlines
Wed 5/207:00 pm
BCN
- BUF
1 stop24h 26m
American Airlines
Deal found 5/5![American Airlines logo]()
$894
This Orbitz deal was found by Cheapflights users on 5/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 pm
BUF
- BCN
2 stops18h 20m
Iberia
Thu 5/1410:30 am
BCN
- BUF
1 stop17h 06m
Iberia
Deal found 5/7![Iberia logo]()
$900
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/712:18 pm
BUF
- BCN
2 stops14h 42m
Delta
Wed 5/2011:00 am
BCN
- BUF
1 stop18h 59m
Delta
Deal found 5/5![Delta logo]()
$908
This KLM deal was found by Cheapflights users on 5/7. 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.
Thu 5/77:39 pm
BUF
- BCN
1 stop35h 11m
KLM
Thu 5/1410:55 am
BCN
- BUF
1 stop19h 24m
KLM
Deal found 5/7![KLM logo]()
$910
This KLM deal was found by Cheapflights users on 5/7. 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.
Thu 5/77:39 pm
BUF
- BCN
1 stop35h 11m
KLM
Fri 5/159:20 am
BCN
- BUF
2 stops15h 55m
KLM
Deal found 5/7![KLM logo]()
$916
This AirNGo deal was found by Cheapflights users on 5/6. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:55 pm
BUF
- BCN
1 stop13h 55m
Virgin Atlantic
Sat 5/163:15 pm
BCN
- BUF
2 stops29h 47m
Virgin Atlantic
Deal found 5/6![Virgin Atlantic logo]()
$921
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 6/33:53 pm
BUF
- BCN
2 stops16h 57m
Delta
Wed 6/1010:55 am
BCN
- BUF
1 stop14h 31m
Delta
Deal found 5/5![Delta logo]()
$891
This KLM deal was found by Cheapflights users on 5/5. 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.
Thu 6/47:55 pm
BUF
- BCN
2 stops14h 30m
KLM
Thu 6/1111:00 am
BCN
- BUF
1 stop13h 50m
KLM
Deal found 5/5![KLM logo]()
$887
One-way flights from Buffalo to BarcelonaSearch for one-way flight options from Buffalo to Barcelona. Find affordable one-way fares based on user searches. Data last updated May 8, 2026.
Search for one-way flight options from Buffalo to Barcelona. Find affordable one-way fares based on user searches. Data last updated May 8, 2026.
This oojo deal was found by Cheapflights users on 5/5. 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.
Sun 8/96:10 pm
BUF
- BCN
2 stops18h 15m
British Airways
Deal found 5/5![British Airways logo]()
$324
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Sun 8/910:34 am
BUF
- BCN
2 stops29h 51m
United Airlines
Deal found 5/7![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 5/7. 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 8/96:00 am
BUF
- BCN
1 stop24h 50m
Delta
Deal found 5/7![Delta logo]()
$345
This KLM deal was found by Cheapflights users on 5/7. 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.
Fri 10/237:00 am
BUF
- BCN
1 stop19h 45m
KLM
Deal found 5/7![KLM logo]()
$384
This British Airways deal was found by Cheapflights users on 5/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:38 pm
BUF
- BCN
2 stops15h 37m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 5/7. 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.
Fri 10/911:15 am
BUF
- BCN
2 stops18h 00m
Delta
Deal found 5/7![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 5/7. 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.
Fri 10/237:25 pm
BUF
- BCN
2 stops17h 25m
Delta
Deal found 5/7![Delta logo]()
$394
This Air France deal was found by Cheapflights users on 5/6. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:15 pm
BUF
- BCN
1 stop31h 30m
Air France
Deal found 5/6![Air France logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:57 pm
BUF
- BCN
2 stops40h 13m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$421
This Air France deal was found by Cheapflights users on 5/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:14 pm
BUF
- BCN
2 stops14h 21m
Air France
Deal found 5/2![Air France logo]()
$433
Find 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 May 8, 2026.
Round-trip from | $717 (KLM) |
|---|---|
One-way from | $324 (oojo) |
Popular in | March |
Cheapest in | December |
Average price | $1,061 |
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 May 8, 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
Cheapest round-trip
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Wed 10/14
7:00 am-8:35 am
2 stops19h 35m
Barcelona-El Prat
Thu 10/29
10:50 am-11:05 pm
2 stops17h 15m
$722
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Tue 9/1
7:04 pm-8:00 am
2 stops30h 56m
Barcelona-El Prat
Sat 9/12
6:40 am-11:18 pm
2 stops22h 38m
$831
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Tue 9/1
7:25 pm-6:50 pm
2 stops17h 25m
Barcelona-El Prat
Sat 9/12
10:55 am-10:35 am
1 stop29h 40m
$838
Quickest round-trip
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Mon 8/3
10:00 am-8:45 am
1 stop16h 45m
Barcelona-El Prat
Tue 8/11
9:20 am-7:19 pm
2 stops15h 59m
$855
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Mon 8/3
12:16 pm-11:15 am
2 stops16h 59m
Barcelona-El Prat
Tue 8/11
9:20 am-12:40 am
2 stops21h 20m
$859
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Fri 9/18
7:00 am-9:20 am
2 stops20h 20m
Barcelona-El Prat
Sat 9/26
12:15 pm-4:47 pm
2 stops34h 32m
$865
Cheapest one-way
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Sun 8/9
6:10 pm-6:25 pm
2 stops18h 15m
$324
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Sun 8/9
6:00 am-12:50 pm
1 stop24h 50m
$345
Quickest one-way
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Wed 9/2
4:38 pm-2:15 pm
2 stops15h 37m
$388
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Fri 10/9
11:15 am-9:00 am
2 stops15h 45m
$389
Showing 1-10 of 14 resultsSorted by cheapest first
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.
BUF-S37
BUF-BCN
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
BUF-S37
BUF-BCN
What is the cheapest month to book a flight from Buffalo to Barcelona?
Currently, September is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $137). Flying from Buffalo to Barcelona in May is currently the most expensive (average of $788). 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.
How much does it cost to fly round-trip from Buffalo to Barcelona?
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 May 8, 2026.
Read reviews from past customers who have flown Delta,KLM, andUnited Airlines from Buffalo to Barcelona. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Buffalo
Popular flights
Alternative routes for Buffalo to Barcelona
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Barcelona by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Barcelona by cabin class
Find flights from Buffalo to Barcelona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Barcelona flights
Browse other Buffalo and Barcelona flight options. Last updated on May 8, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on May 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Buffalo to Barcelona
Discover the top 6 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 May 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$831 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$155 | Average$880 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$466 | Average$825 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$513 | Average$662 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$582 | Average$901 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$807 | Average$879 | FlexibilityNo cancel fee | On-time71% |