$340+ Cheap flights from Buffalo (BUF) to Barcelona
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BCN
Dec 4 — Dec 111
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 November 4, 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 November 4, 2026.
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:35 am -
2 stops18h 55m
Tue 12/812:00 pm -
1 stop16h 54m
Deal found 11/1![British Airways logo]()
$737
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/13:00 pm -
1 stop12h 00m
Tue 12/811:00 am -
1 stop15h 24m
Deal found 11/1![United Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:20 pm -
1 stop11h 15m
Mon 12/71:10 pm -
2 stops35h 34m
Deal found 11/2![Delta logo]()
$743
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:00 am -
2 stops28h 50m
Mon 12/711:50 am -
2 stops56h 30m
Deal found 11/2![United Airlines logo]()
$767
This KLM deal was found by Cheapflights users on 11/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:16 pm -
1 stop14h 24m
Mon 12/710:50 am -
1 stop19h 14m
Deal found 11/2![KLM logo]()
$781
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 11/910:51 am -
1 stop15h 29m
Fri 11/2010:30 am -
1 stop14h 35m
Deal found 10/31![United Airlines logo]()
$790
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/1. 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.
Tue 12/12:10 pm -
3 stops24h 10m
Tue 12/812:35 pm -
2 stops17h 24m
Deal found 11/1![TAP AIR PORTUGAL logo]()
$905
This Air France deal was found by Cheapflights users on 11/1. 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.
Wed 12/166:00 am -
1 stop20h 40m
Wed 12/2310:50 am -
1 stop19h 05m
Deal found 11/1![Multiple Airlines logo]()
$929
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:10 pm -
2 stops27h 35m
Fri 12/1112:35 pm -
2 stops26h 59m
Deal found 11/2![Multiple Airlines logo]()
$941
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/164:21 pm -
2 stops15h 24m
Wed 12/2312:00 pm -
1 stop12h 17m
Deal found 11/1![American Airlines logo]()
$951
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 November 4, 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 November 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 2/15:45 pm -
1 stop32h 35m
Fri 2/51:35 pm -
2 stops49h 53m
Deal found 10/31![United Airlines logo]()
$707
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:20 pm -
1 stop11h 15m
Mon 12/71:10 pm -
2 stops35h 34m
Deal found 11/2![Delta logo]()
$743
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 3/15:30 pm -
1 stop32h 50m
Thu 3/41:35 pm -
2 stops26h 51m
Deal found 11/3![United Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 11/3. 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 2/1611:25 am -
1 stop15h 10m
Sun 2/2810:35 am -
1 stop19h 21m
Deal found 11/3![Delta logo]()
$772
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/13:00 pm -
1 stop12h 00m
Tue 12/811:00 am -
1 stop15h 24m
Deal found 11/1![United Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 11/3. 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 2/1510:21 am -
2 stops16h 39m
Sun 2/2810:35 am -
1 stop14h 36m
Deal found 11/3![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 11/3. 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 2/173:00 pm -
1 stop12h 00m
Sun 2/2810:30 am -
1 stop14h 46m
Deal found 11/3![United Airlines logo]()
$772
Last-minute flights from Buffalo to BarcelonaDiscover last-minute flight deals from Buffalo to Barcelona. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Barcelona. Data last updated November 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 11/910:51 am -
1 stop15h 29m
Fri 11/2010:30 am -
1 stop14h 35m
Deal found 10/31![United Airlines logo]()
$790
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:20 pm -
1 stop11h 15m
Mon 12/71:10 pm -
2 stops35h 34m
Deal found 11/2![Delta logo]()
$743
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:00 am -
2 stops28h 50m
Mon 12/711:50 am -
2 stops56h 30m
Deal found 11/2![United Airlines logo]()
$767
This KLM deal was found by Cheapflights users on 11/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:16 pm -
1 stop14h 24m
Mon 12/710:50 am -
1 stop19h 14m
Deal found 11/2![KLM logo]()
$781
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:35 am -
2 stops18h 55m
Tue 12/812:00 pm -
1 stop16h 54m
Deal found 11/1![British Airways logo]()
$737
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/13:00 pm -
1 stop12h 00m
Tue 12/811:00 am -
1 stop15h 24m
Deal found 11/1![United Airlines logo]()
$740
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/1. 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.
Tue 12/12:10 pm -
3 stops24h 10m
Tue 12/812:35 pm -
2 stops17h 24m
Deal found 11/1![TAP AIR PORTUGAL logo]()
$905
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:10 pm -
2 stops27h 35m
Fri 12/1112:35 pm -
2 stops26h 59m
Deal found 11/2![Multiple Airlines logo]()
$941
This Air France deal was found by Cheapflights users on 11/1. 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.
Wed 12/166:00 am -
1 stop20h 40m
Wed 12/2310:50 am -
1 stop19h 05m
Deal found 11/1![Multiple Airlines logo]()
$929
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/164:21 pm -
2 stops15h 24m
Wed 12/2312:00 pm -
1 stop12h 17m
Deal found 11/1![American Airlines logo]()
$951
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 November 4, 2026.
Search for one-way flight options from Buffalo to Barcelona. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sat 2/65:40 pm -
1 stop32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$340
This Justfly.com deal was found by Cheapflights users on 11/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/55:43 pm -
2 stops57h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Air Canada logo]()
$349
This FlightHub deal was found by Cheapflights users on 10/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/510:21 am -
2 stops19h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![British Airways logo]()
$381
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/123:53 pm -
2 stops26h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$416
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/193:53 pm -
2 stops26h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$426
This Rumbo deal was found by Cheapflights users on 11/4. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/122:29 pm -
1 stop12h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Virgin Atlantic logo]()
$534
This Air Canada deal was found by Cheapflights users on 11/2. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/61:50 pm -
3 stops18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Canada logo]()
$536
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 1/611:15 am -
2 stops24h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Lufthansa logo]()
$537
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/191:50 pm -
3 stops18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Air Canada logo]()
$549
This Justfly.com deal was found by Cheapflights users on 11/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/610:52 am -
1 stop16h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![British Airways logo]()
$603
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 November 4, 2026.
Round-trip from | $707 (United Airlines) |
|---|---|
One-way from | $340 (United Airlines) |
Popular in | May |
Cheapest in | December |
Average price | $767 |
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 7,457,451 searches. Data last updated November 4, 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 Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Sat 2/6
5:40 pm-9:35 am
2 stops33h 55m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$343
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Fri 2/5
5:43 pm-9:35 am
2 stops57h 52m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$349
Quickest round-trip
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Fri 2/5
10:21 am-11:35 am
2 stops19h 14m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$381
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Mon 2/1
5:45 pm-8:20 am
1 stop32h 35m
Barcelona-El Prat
Fri 2/5
1:35 pm-9:28 am
2 stops49h 53m
$707
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Mon 3/1
5:30 pm-8:20 am
1 stop32h 50m
Barcelona-El Prat
Thu 3/4
1:35 pm-10:26 am
2 stops26h 51m
$725
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Tue 12/1
3:00 pm-9:00 am
1 stop12h 00m
Barcelona-El Prat
Tue 12/8
11:00 am-8:24 pm
1 stop15h 24m
$740
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Mon 11/30
3:20 pm-8:35 am
1 stop11h 15m
Barcelona-El Prat
Mon 12/7
1:10 pm-6:44 pm
2 stops35h 34m
$743
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Tue 2/16
11:25 am-8:35 am
1 stop15h 10m
Barcelona-El Prat
Sun 2/28
10:35 am-11:56 pm
1 stop19h 21m
$772
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Wed 2/17
3:00 pm-9:00 am
1 stop12h 00m
Barcelona-El Prat
Sun 2/28
10:30 am-7:16 pm
1 stop14h 46m
$772
BuffaloBarcelona
BUF Buffalo - BCN Barcelona-El Prat
BUFBCN
Buffalo
Mon 2/15
10:21 am-9:00 am
2 stops16h 39m
Barcelona-El Prat
Sun 2/28
10:35 am-7:11 pm
1 stop14h 36m
$775
Sorted 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, December is the cheapest month in which you can book a flight from Buffalo to Barcelona (average of $458). Flying from Buffalo to Barcelona in May is currently the most expensive (average of $1,334). 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.
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 November 4, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andJetBlue 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.
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
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 November 4, 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 November 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Buffalo to Barcelona
Discover the top 4 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 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$880 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$162 | Average$918 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$665 | Average$934 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$717 | Average$941 | FlexibilityNo cancel fee | On-time69% |