$435+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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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
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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
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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 July 9, 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 July 9, 2026.
This United Airlines deal was found by Cheapflights users on 7/8. 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 10/251:48 pm
BUF
- BCN
1 stop18h 27m
United Airlines
Wed 10/2812:35 pm
BCN
- BUF
2 stops36h 30m
United Airlines
Deal found 7/8![United Airlines logo]()
$697
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 10/247:59 pm
BUF
- BCN
2 stops31h 21m
United Airlines
Wed 10/2812:35 pm
BCN
- BUF
2 stops36h 30m
United Airlines
Deal found 7/8![United Airlines logo]()
$701
This Delta deal was found by Cheapflights users on 7/8. 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 10/259:55 am
BUF
- BCN
1 stop17h 40m
Delta
Thu 10/2910:30 am
BCN
- BUF
1 stop18h 20m
Delta
Deal found 7/8![Delta logo]()
$717
This British Airways deal was found by Cheapflights users on 7/8. 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.
Sat 10/246:50 pm
BUF
- BCN
1 stop33h 45m
British Airways
Wed 10/2811:30 am
BCN
- BUF
1 stop17h 29m
British Airways
Deal found 7/8![British Airways logo]()
$722
This United Airlines deal was found by Cheapflights users on 7/8. 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 10/252:54 pm
BUF
- BCN
1 stop13h 06m
United Airlines
Tue 10/276:20 am
BCN
- BUF
2 stops18h 45m
United Airlines
Deal found 7/8![United Airlines logo]()
$746
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 12/3110:20 am
BUF
- BCN
1 stop16h 40m
United Airlines
Thu 1/141:35 pm
BCN
- BUF
2 stops36h 56m
United Airlines
Deal found 7/7![United Airlines logo]()
$747
This British Airways deal was found by Cheapflights users on 7/8. 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.
Fri 10/234:35 pm
BUF
- BCN
2 stops13h 45m
Multiple Airlines
Wed 10/2811:30 am
BCN
- BUF
1 stop17h 29m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$764
This Delta deal was found by Cheapflights users on 7/8. 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 10/233:53 pm
BUF
- BCN
1 stop10h 52m
Delta
Wed 10/2810:30 am
BCN
- BUF
1 stop18h 20m
Delta
Deal found 7/8![Delta logo]()
$767
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 July 9, 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 July 9, 2026.
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:10 am
BUF
- BCN
1 stop20h 10m
United Airlines
Tue 9/2212:15 pm
BCN
- BUF
2 stops38h 52m
United Airlines
Deal found 7/6![United Airlines logo]()
$806
This KLM deal was found by Cheapflights users on 7/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:59 pm
BUF
- BCN
2 stops13h 36m
Multiple Airlines
Thu 9/310:55 am
BCN
- BUF
1 stop19h 45m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 7/7. 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 9/17:59 pm
BUF
- BCN
2 stops15h 11m
Delta
Sat 9/126:20 am
BCN
- BUF
2 stops23h 52m
Delta
Deal found 7/7![Delta logo]()
$884
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/4. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:45 pm
BUF
- BCN
3 stops18h 35m
TAP AIR PORTUGAL
Mon 10/56:00 am
BCN
- BUF
2 stops20h 24m
TAP AIR PORTUGAL
Deal found 7/4![TAP AIR PORTUGAL logo]()
$957
This KAYAK deal was found by Cheapflights users on 7/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:49 pm
BUF
- BCN
1 stop31h 56m
JetBlue
Sat 9/1212:50 pm
BCN
- BUF
1 stop13h 34m
JetBlue
Deal found 7/4![JetBlue logo]()
$976
This KLM deal was found by Cheapflights users on 7/7. 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.
Tue 9/17:52 pm
BUF
- BCN
2 stops14h 33m
KLM
Sat 9/1210:55 am
BCN
- BUF
1 stop19h 17m
KLM
Deal found 7/7![KLM logo]()
$978
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:53 pm
BUF
- BCN
1 stop11h 27m
United Airlines
Tue 8/2511:15 am
BCN
- BUF
1 stop13h 45m
United Airlines
Deal found 7/4![United Airlines logo]()
$826
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 9/32:53 pm
BUF
- BCN
2 stops17h 32m
United Airlines
Thu 9/1712:00 pm
BCN
- BUF
1 stop17h 12m
United Airlines
Deal found 7/7![United Airlines logo]()
$894
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Sun 8/27:52 pm
BUF
- BCN
1 stop30h 28m
United Airlines
Sun 8/912:00 pm
BCN
- BUF
2 stops27h 51m
United Airlines
Deal found 7/5![United Airlines logo]()
$956
Last-minute flights from Buffalo to BarcelonaDiscover last-minute flight deals from Buffalo to Barcelona. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Barcelona. Data last updated July 9, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 7/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
BUF
- BCN
2 stops34h 10m
Multiple Airlines
Wed 8/58:00 am
BCN
- BUF
2 stops21h 43m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$868
This Expedia deal was found by Cheapflights users on 7/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
BUF
- BCN
2 stops34h 10m
Multiple Airlines
Thu 9/38:00 am
BCN
- BUF
2 stops22h 08m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$783
This Condor deal was found by Cheapflights users on 7/6. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
BUF
- BCN
2 stops34h 10m
Multiple Airlines
Fri 8/148:00 am
BCN
- BUF
2 stops22h 13m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$890
This SmartFares deal was found by Cheapflights users on 7/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:27 am
BUF
- BCN
1 stop17h 18m
JetBlue
Fri 8/1412:50 pm
BCN
- BUF
1 stop16h 53m
JetBlue
Deal found 7/6![JetBlue logo]()
$945
This Cheapflightsfares deal was found by Cheapflights users on 7/5. 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.
Tue 8/1810:30 am
BUF
- BCN
2 stops31h 05m
SWISS
Tue 8/256:00 am
BCN
- BUF
2 stops21h 07m
SWISS
Deal found 7/5![SWISS logo]()
$796
This American Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 8/184:38 pm
BUF
- BCN
2 stops14h 37m
American Airlines
Tue 8/2512:50 pm
BCN
- BUF
1 stop12h 17m
American Airlines
Deal found 7/5![American Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:53 pm
BUF
- BCN
1 stop11h 27m
United Airlines
Tue 8/2511:15 am
BCN
- BUF
1 stop13h 45m
United Airlines
Deal found 7/4![United Airlines logo]()
$826
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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.
Wed 8/1910:27 am
BUF
- BCN
1 stop17h 18m
JetBlue
Sun 8/3012:50 pm
BCN
- BUF
1 stop16h 53m
JetBlue
Deal found 7/6![JetBlue logo]()
$884
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:30 am
BUF
- BCN
1 stop15h 50m
United Airlines
Sun 8/3012:15 pm
BCN
- BUF
2 stops27h 13m
United Airlines
Deal found 7/6![United Airlines logo]()
$889
This Condor deal was found by Cheapflights users on 7/8. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:55 am
BUF
- BCN
2 stops33h 15m
Multiple Airlines
Sat 8/298:00 am
BCN
- BUF
2 stops21h 43m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$937
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 July 9, 2026.
Search for one-way flight options from Buffalo to Barcelona. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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 9/159:15 am
BUF
- BCN
1 stop18h 30m
JetBlue
Deal found 7/6![JetBlue logo]()
$435
This KAYAK deal was found by Cheapflights users on 7/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 am
BUF
- BCN
1 stop21h 45m
JetBlue
Deal found 7/8![JetBlue logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Thu 9/108:54 pm
BUF
- BCN
3 stops35h 51m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$454
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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.
Sun 8/910:57 am
BUF
- BCN
2 stops15h 53m
SWISS
Deal found 7/8![SWISS logo]()
$458
This Delta deal was found by Cheapflights users on 7/6. 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.
Sun 8/97:59 pm
BUF
- BCN
2 stops15h 11m
Delta
Deal found 7/6![Delta logo]()
$467
This Air Canada deal was found by Cheapflights users on 7/6. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am
BUF
- BCN
3 stops19h 00m
Air Canada
Deal found 7/6![Air Canada logo]()
$475
This Cheapflightsfares deal was found by Cheapflights users on 7/5. 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 9/109:15 am
BUF
- BCN
1 stop18h 30m
JetBlue
Deal found 7/5![JetBlue logo]()
$490
This Air Canada deal was found by Cheapflights users on 7/8. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:57 am
BUF
- BCN
3 stops18h 08m
Air Canada
Deal found 7/8![Air Canada logo]()
$636
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 July 9, 2026.
Round-trip from | $697 (United Airlines) |
|---|---|
One-way from | $435 (Cheapflightsfares) |
Popular in | May |
Cheapest in | December |
Average price | $979 |
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 July 9, 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
Sun 9/13
6:10 am-8:20 am
1 stop20h 10m
Barcelona-El Prat
Tue 9/22
12:15 pm-9:07 pm
2 stops38h 52m
$806
Quickest round-trip
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Tue 8/18
2:53 pm-8:20 am
1 stop11h 27m
Barcelona-El Prat
Tue 8/25
11:15 am-7:00 pm
1 stop13h 45m
$826
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Tue 8/4
7:59 pm-3:35 pm
2 stops13h 36m
Barcelona-El Prat
Thu 9/3
10:55 am-12:40 am
1 stop19h 45m
$830
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Tue 9/1
7:59 pm-5:10 pm
2 stops15h 11m
Barcelona-El Prat
Sat 9/12
6:20 am-12:12 am
2 stops23h 52m
$884
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Thu 9/3
2:53 pm-2:25 pm
2 stops17h 32m
Barcelona-El Prat
Thu 9/17
12:00 pm-11:12 pm
1 stop17h 12m
$894
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Sun 8/2
7:52 pm-8:20 am
1 stop30h 28m
Barcelona-El Prat
Sun 8/9
12:00 pm-9:51 am
2 stops27h 51m
$956
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Wed 9/30
6:45 pm-7:20 pm
3 stops18h 35m
Barcelona-El Prat
Mon 10/5
6:00 am-8:24 pm
2 stops20h 24m
$957
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Tue 9/1
7:49 pm-9:45 am
1 stop31h 56m
Barcelona-El Prat
Sat 9/12
12:50 pm-8:24 pm
1 stop13h 34m
$976
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Tue 9/1
7:52 pm-4:25 pm
2 stops14h 33m
Barcelona-El Prat
Sat 9/12
10:55 am-12:12 am
1 stop19h 17m
$978
Cheapest one-way
BuffaloBarcelona
BUF - BCN
BUFBCN
Buffalo
Tue 9/15
9:15 am-9:45 am
1 stop18h 30m
$435
Showing 1-10 of 17 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 July 9, 2026.
Read reviews from past customers who have flown KLM,Delta, 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.
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - 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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Buffalo to Barcelona
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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
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Buffalo and Barcelona flights
Browse other Buffalo and Barcelona flight options. Last updated on July 9, 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 July 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$880 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$162 | Average$918 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$513 | Average$662 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$582 | Average$782 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$665 | Average$867 | FlexibilityNo cancel fee | On-time71% |