$409+ Cheap flights from San Francisco (SFO) 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
Aug 10 — Aug 171
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco 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 San Francisco to Barcelona are usually found in January or February, booked 44 days in advance, depart on a Tuesday or Saturday and return on a Thursday
Cheap flight deals from San Francisco to Barcelona
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Best
Last-minute
One-way
Cheapest flights from San Francisco to BarcelonaExplore the most affordable flight options available from San Francisco to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.
Explore the most affordable flight options available from San Francisco to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.
This Mytrip deal was found by Cheapflights users on 7/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:10 am
SFO
- BCN
1 stop14h 50m
Multiple Airlines
Thu 10/19:40 am
BCN
- SFO
2 stops18h 01m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$682
This Cheapflightsfares deal was found by Cheapflights users on 7/10. 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 9/14:30 pm
SFO
- BCN
1 stop20h 40m
Condor
Sat 9/128:00 am
BCN
- SFO
1 stop15h 30m
Condor
Deal found 7/10![Condor logo]()
$683
This Gotogate deal was found by Cheapflights users on 7/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:30 pm
SFO
- BCN
1 stop24h 00m
TAP AIR PORTUGAL
Tue 8/2510:40 pm
BCN
- SFO
1 stop24h 55m
TAP AIR PORTUGAL
Deal found 7/10![TAP AIR PORTUGAL logo]()
$684
This United Airlines deal was found by Cheapflights users on 7/10. 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 9/1911:39 pm
SFO
- BCN
1 stop23h 21m
United Airlines
Fri 12/41:35 pm
BCN
- SFO
3 stops38h 12m
United Airlines
Deal found 7/10![United Airlines logo]()
$685
This Justfly.com deal was found by Cheapflights users on 7/9. 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.
Tue 8/254:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Wed 9/168:00 am
BCN
- SFO
1 stop15h 30m
Condor
Deal found 7/9![Condor logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 9/104:30 pm
SFO
- BCN
1 stop20h 20m
TAP AIR PORTUGAL
Thu 9/246:00 am
BCN
- SFO
1 stop17h 30m
TAP AIR PORTUGAL
Deal found 7/10![TAP AIR PORTUGAL logo]()
$687
This Mytrip deal was found by Cheapflights users on 7/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:30 pm
SFO
- BCN
3 stops34h 55m
Multiple Airlines
Tue 8/259:45 pm
BCN
- SFO
2 stops25h 45m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$688
This Booking.com deal was found by Cheapflights users on 7/9. 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.
Tue 8/1810:15 am
SFO
- BCN
2 stops20h 45m
Multiple Airlines
Fri 9/48:00 am
BCN
- SFO
1 stop15h 30m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$689
This Justfly.com deal was found by Cheapflights users on 7/10. 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.
Sun 8/94:30 pm
SFO
- BCN
1 stop20h 40m
Multiple Airlines
Mon 8/248:00 am
BCN
- SFO
2 stops19h 23m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$690
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Tue 9/154:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Wed 9/308:00 am
BCN
- SFO
1 stop15h 30m
Condor
Deal found 7/9![Condor logo]()
$691
This United Airlines deal was found by Cheapflights users on 7/10. 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 9/2710:35 pm
SFO
- BCN
1 stop29h 40m
United Airlines
Thu 10/151:15 pm
BCN
- SFO
1 stop28h 53m
United Airlines
Deal found 7/10![United Airlines logo]()
$692
This Mytrip deal was found by Cheapflights users on 7/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:30 pm
SFO
- BCN
2 stops21h 55m
Multiple Airlines
Wed 9/212:40 pm
BCN
- SFO
3 stops34h 50m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$693
Best flights from San Francisco to BarcelonaDiscover carefully curated flight deals from San Francisco to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.
Discover carefully curated flight deals from San Francisco to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.
This United Airlines deal was found by Cheapflights users on 7/10. 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 10/138:10 am
SFO
- BCN
1 stop14h 50m
United Airlines
Wed 10/214:10 pm
BCN
- SFO
Nonstop12h 15m
United Airlines
Deal found 7/10![United Airlines logo]()
$695
This Condor 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:03 am
SFO
- BCN
2 stops21h 57m
Multiple Airlines
Tue 9/88:00 am
BCN
- SFO
1 stop15h 30m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 7/10. 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 10/125:50 pm
SFO
- BCN
Nonstop11h 30m
United Airlines
Mon 10/261:50 pm
BCN
- SFO
1 stop31h 45m
United Airlines
Deal found 7/10![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 7/9. 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 9/225:50 pm
SFO
- BCN
Nonstop11h 30m
United Airlines
Tue 9/296:40 am
BCN
- SFO
1 stop15h 00m
United Airlines
Deal found 7/9![United Airlines logo]()
$775
This United deal was found by Cheapflights users on 7/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 pm
SFO
- BCN
Nonstop11h 20m
Multiple Airlines
Mon 8/248:00 pm
BCN
- SFO
1 stop29h 15m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$873
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.
Mon 9/76:00 pm
SFO
- BCN
Nonstop11h 20m
United Airlines
Fri 9/114:10 pm
BCN
- SFO
Nonstop12h 15m
United Airlines
Deal found 7/8![United Airlines logo]()
$784
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.
Tue 9/110:05 am
SFO
- BCN
2 stops19h 50m
United Airlines
Fri 9/118:00 am
BCN
- SFO
1 stop16h 20m
United Airlines
Deal found 7/8![United Airlines logo]()
$799
This Mytrip deal was found by Cheapflights users on 7/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:10 am
SFO
- GRO
2 stops17h 05m
Multiple Airlines
Tue 9/2210:35 pm
GRO
- SFO
3 stops31h 24m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,089
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.
Tue 8/186:00 pm
SFO
- BCN
Nonstop11h 20m
United Airlines
Fri 9/44:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Deal found 7/8![United Airlines logo]()
$867
This French Bee deal was found by Cheapflights users on 7/10. 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:05 pm
SFO
- REU
1 stop18h 20m
Multiple Airlines
Sun 9/68:55 am
REU
- SFO
1 stop20h 55m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$1,220
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 8/166:00 pm
SFO
- BCN
Nonstop11h 20m
United Airlines
Mon 8/314:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Deal found 7/6![United Airlines logo]()
$927
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.
Fri 8/289:05 pm
SFO
- BCN
1 stop16h 20m
United Airlines
Wed 9/94:10 pm
BCN
- SFO
Nonstop12h 15m
United Airlines
Deal found 7/6![United Airlines logo]()
$998
This French Bee deal was found by Cheapflights users on 7/9. 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:05 pm
SFO
- REU
1 stop18h 20m
Multiple Airlines
Sun 8/168:55 am
REU
- SFO
1 stop20h 55m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,374
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 10/175:50 pm
SFO
- BCN
Nonstop11h 30m
United Airlines
Sat 10/244:10 pm
BCN
- SFO
Nonstop12h 15m
United Airlines
Deal found 7/8![United Airlines logo]()
$1,021
This French Bee 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:05 pm
SFO
- REU
1 stop18h 20m
Multiple Airlines
Sun 8/168:55 am
REU
- SFO
1 stop20h 55m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,418
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/228:10 am
SFO
- BCN
1 stop14h 50m
United Airlines
Mon 8/314:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Deal found 7/9![United Airlines logo]()
$1,091
This Vueling Global deal was found by Cheapflights users on 7/10. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:05 pm
SFO
- REU
1 stop18h 20m
Multiple Airlines
Fri 8/78:00 pm
REU
- SFO
1 stop26h 50m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$1,612
This French Bee 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:05 pm
SFO
- REU
1 stop18h 20m
Multiple Airlines
Sun 7/268:55 am
REU
- SFO
1 stop20h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,822
This French Bee 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:05 pm
SFO
- REU
1 stop18h 20m
Multiple Airlines
Sun 8/28:55 am
REU
- SFO
1 stop20h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$2,072
Last-minute flights from San Francisco to BarcelonaDiscover last-minute flight deals from San Francisco to Barcelona. Data last updated July 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Barcelona. Data last updated July 11, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/10. 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.
Sat 7/114:30 pm
SFO
- BCN
1 stop20h 40m
Condor
Tue 7/148:00 am
BCN
- SFO
1 stop15h 30m
Condor
Deal found 7/10![Condor logo]()
$694
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/64:30 pm
SFO
- BCN
1 stop14h 35m
Condor
Thu 8/208:00 am
BCN
- SFO
1 stop15h 30m
Condor
Deal found 7/10![Condor logo]()
$691
This Justfly.com deal was found by Cheapflights users on 7/10. 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.
Sun 8/94:30 pm
SFO
- BCN
1 stop20h 40m
Multiple Airlines
Mon 8/248:00 am
BCN
- SFO
2 stops19h 23m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$690
This Gotogate deal was found by Cheapflights users on 7/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:30 pm
SFO
- BCN
1 stop24h 00m
TAP AIR PORTUGAL
Tue 8/2510:40 pm
BCN
- SFO
1 stop24h 55m
TAP AIR PORTUGAL
Deal found 7/10![TAP AIR PORTUGAL logo]()
$684
This Mytrip deal was found by Cheapflights users on 7/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:30 pm
SFO
- BCN
3 stops34h 55m
Multiple Airlines
Tue 8/259:45 pm
BCN
- SFO
2 stops25h 45m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$688
This Booking.com deal was found by Cheapflights users on 7/9. 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.
Tue 8/1810:15 am
SFO
- BCN
2 stops20h 45m
Multiple Airlines
Fri 9/48:00 am
BCN
- SFO
1 stop15h 30m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$689
This FlightHub deal was found by Cheapflights users on 7/9. 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.
Wed 8/194:35 pm
SFO
- BCN
1 stop15h 20m
TAP AIR PORTUGAL
Tue 8/2510:40 pm
BCN
- SFO
1 stop24h 55m
TAP AIR PORTUGAL
Deal found 7/9![TAP AIR PORTUGAL logo]()
$695
This Mytrip deal was found by Cheapflights users on 7/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:30 pm
SFO
- BCN
3 stops34h 25m
Multiple Airlines
Sun 8/309:45 pm
BCN
- SFO
2 stops25h 45m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$685
This KAYAK deal was found by Cheapflights users on 7/9. 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 8/234:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Thu 9/178:00 am
BCN
- SFO
1 stop15h 30m
Condor
Deal found 7/9![Condor logo]()
$696
This Mytrip deal was found by Cheapflights users on 7/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:30 pm
SFO
- BCN
2 stops21h 55m
Multiple Airlines
Wed 9/212:40 pm
BCN
- SFO
3 stops34h 50m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$693
This Justfly.com deal was found by Cheapflights users on 7/9. 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.
Tue 8/254:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Wed 9/168:00 am
BCN
- SFO
1 stop15h 30m
Condor
Deal found 7/9![Condor logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/274:30 pm
SFO
- BCN
1 stop24h 00m
TAP AIR PORTUGAL
Thu 9/176:00 am
BCN
- SFO
1 stop17h 30m
TAP AIR PORTUGAL
Deal found 7/10![TAP AIR PORTUGAL logo]()
$687
One-way flights from San Francisco to BarcelonaSearch for one-way flight options from San Francisco to Barcelona. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
Search for one-way flight options from San Francisco to Barcelona. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 7/237:08 pm
SFO
- BCN
3 stops38h 32m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$409
This Mytrip deal was found by Cheapflights users on 7/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/274:30 pm
SFO
- BCN
2 stops22h 05m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$410
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:05 pm
SFO
- BCN
3 stops42h 30m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$411
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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 8/47:20 pm
SFO
- BCN
2 stops21h 10m
TAP AIR PORTUGAL
Deal found 7/9![TAP AIR PORTUGAL logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Wed 8/58:23 pm
SFO
- BCN
1 stop35h 52m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$413
This Air Canada deal was found by Cheapflights users on 7/9. 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 9/512:50 pm
SFO
- BCN
2 stops35h 30m
Air Canada
Deal found 7/9![Air Canada logo]()
$414
This French Bee 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:05 pm
SFO
- REU
1 stop18h 20m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$414
This TravelUp deal was found by Cheapflights users on 7/9. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:50 pm
SFO
- BCN
Nonstop11h 30m
Lufthansa
Deal found 7/9![Lufthansa logo]()
$415
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:35 pm
SFO
- BCN
2 stops22h 55m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$416
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.
Mon 9/145:50 pm
SFO
- BCN
Nonstop11h 30m
United Airlines
Deal found 7/8![United Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Tue 9/159:05 pm
SFO
- BCN
2 stops27h 05m
Austrian Airlines
Deal found 7/9![Austrian Airlines logo]()
$418
This Cheapflightsfares deal was found by Cheapflights users on 7/10. 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 9/22:10 pm
SFO
- BCN
2 stops20h 00m
SWISS
Deal found 7/10![SWISS logo]()
$419
Find flight deals from San Francisco to Barcelona
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 11, 2026.
Round-trip from | $682 (Mytrip) |
|---|---|
One-way from | $409 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,019 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 11, 2026.
Use the filters below to find and compare flights from San Francisco to Barcelona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Tue 10/13
8:10 am-8:00 am
1 stop14h 50m
Barcelona-El Prat
Wed 10/21
4:10 pm-7:25 pm
Nonstop12h 15m
$695
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Mon 10/12
5:50 pm-2:20 pm
Nonstop11h 30m
Barcelona-El Prat
Mon 10/26
1:50 pm-1:35 pm
1 stop31h 45m
$715
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Tue 9/22
5:50 pm-2:20 pm
Nonstop11h 30m
Barcelona-El Prat
Tue 9/29
6:40 am-12:40 pm
1 stop15h 00m
$775
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Sun 8/30
9:03 am-4:00 pm
2 stops21h 57m
Barcelona-El Prat
Tue 9/8
8:00 am-2:30 pm
1 stop15h 30m
$780
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Mon 9/7
6:00 pm-2:20 pm
Nonstop11h 20m
Barcelona-El Prat
Fri 9/11
4:10 pm-7:25 pm
Nonstop12h 15m
$784
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Tue 9/1
10:05 am-2:55 pm
2 stops19h 50m
Barcelona-El Prat
Fri 9/11
8:00 am-3:20 pm
1 stop16h 20m
$799
Quickest round-trip
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Tue 8/18
6:00 pm-2:20 pm
Nonstop11h 20m
Barcelona-El Prat
Fri 9/4
4:10 pm-7:20 pm
Nonstop12h 10m
$867
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Mon 8/17
6:00 pm-2:20 pm
Nonstop11h 20m
Barcelona-El Prat
Mon 8/24
8:00 pm-4:15 pm
1 stop29h 15m
$873
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Sun 8/16
6:00 pm-2:20 pm
Nonstop11h 20m
Barcelona-El Prat
Mon 8/31
4:10 pm-7:20 pm
Nonstop12h 10m
$927
San FranciscoBarcelona
SFO - BCN
SFOBCN
San Francisco
Fri 8/28
9:05 pm-10:25 pm
1 stop16h 20m
Barcelona-El Prat
Wed 9/9
4:10 pm-7:25 pm
Nonstop12h 15m
$998
Showing 1-10 of 35 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from San Francisco with our price prediction graph.
SFO-S37
SFO-REU
SFO-BCN
SFO-GRO
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 San Francisco to Barcelona
SFO-S37
SFO-REU
SFO-BCN
SFO-GRO
What is the cheapest month to book a flight from San Francisco to Barcelona?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $360). Flying from San Francisco to Barcelona in December is currently the most expensive (average of $1,681). 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 SFO to BCN?
Find hourly flight availability from San Francisco 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 July 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Barcelona as you normally would.
Weekly flight availability from San Francisco to Barcelona
Explore weekly flight availability from San Francisco to Barcelona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 11, 2026.
The most flights from SFO to S37 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from San Francisco to Barcelona?
How often are flights from San Francisco to Barcelona delayed?
About 15% of weekly flights between San Francisco and Barcelona have experienced delays in the past year, with the average delay time being 171 minutes.
What is the most punctual flight time for San Francisco to Barcelona flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Barcelona flights?
Over the last year, LEVEL have had the lowest number of delays on this route, with just 12% of flights being delayed.
How far ahead should I book a flight from San Francisco to Barcelona?
The price you pay for your flight from San Francisco to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 11, 2026.
See what other customers who have flown with United Airlines,TAP AIR PORTUGAL, andIberia from San Francisco to Barcelona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Food
6.7
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Food
6.7
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Food
6.7
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Food
6.7
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Food
6.7
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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
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Popular flights
Alternative routes for San Francisco 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 San Francisco to Barcelona by cabin class
Find flights from San Francisco to Barcelona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Barcelona flights
Browse other San Francisco and Barcelona flight options. Last updated on July 11, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on July 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from San Francisco to Barcelona
Discover the top 10 airlines that operate flights from San Francisco 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$487 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$378 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$236 | Average$739 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$359 | Average$614 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$362 | Average$597 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$369 | Average$691 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$404 | Average$713 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$421 | Average$568 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$433 | Average$710 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$447 | Average$898 | FlexibilityNo cancel fee | On-time77% |