$323+ Cheap flights from San Francisco (SFO) 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
Oct 8 — Oct 151
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 Sunday and return on a Thursday
Cheap flight deals from San Francisco to Barcelona
Cheapest
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 September 8, 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 September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:30 pm -
1 stop17h 50m
Tue 10/206:00 am -
1 stop16h 35m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$665
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:20 pm -
2 stops24h 15m
Tue 10/1312:55 pm -
2 stops34h 40m
Deal found 9/3![Multiple Airlines logo]()
$667
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm -
1 stop14h 35m
Thu 10/228:00 am -
1 stop15h 30m
Deal found 9/4![Condor logo]()
$669
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm -
2 stops23h 35m
Mon 10/192:20 pm -
2 stops32h 15m
Deal found 9/4![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 9/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm -
2 stops23h 05m
Wed 10/217:55 pm -
2 stops27h 35m
Deal found 9/7![Multiple Airlines logo]()
$671
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:35 pm -
1 stop14h 50m
Wed 10/286:45 am -
1 stop17h 00m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$672
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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 9/104:30 pm -
1 stop20h 40m
Wed 9/238:00 am -
1 stop15h 30m
Deal found 9/5![Condor logo]()
$673
This Cheapflightsfares deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:15 pm -
1 stop16h 05m
Wed 11/116:45 am -
1 stop17h 00m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$674
This Gotogate deal was found by Cheapflights users on 9/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:25 am -
1 stop16h 10m
Wed 11/259:55 am -
1 stop15h 35m
Deal found 9/7![Multiple Airlines logo]()
$676
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Mon 10/124:30 pm -
2 stops22h 00m
Wed 10/211:25 pm -
2 stops34h 05m
Deal found 9/6![Multiple Airlines logo]()
$678
This Gotogate deal was found by Cheapflights users on 9/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:40 pm -
1 stop16h 25m
Tue 12/85:55 am -
2 stops19h 11m
Deal found 9/6![Multiple Airlines logo]()
$679
This FlightHub deal was found by Cheapflights users on 9/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:35 pm -
1 stop19h 55m
Mon 10/1211:10 pm -
1 stop25h 45m
Deal found 9/4![Aer Lingus logo]()
$680
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 September 8, 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 September 8, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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 10/277:00 am -
2 stops20h 10m
Tue 11/106:00 am -
2 stops19h 14m
Deal found 9/7![Delta logo]()
$715
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/125:55 pm -
Nonstop11h 25m
Thu 10/221:50 pm -
1 stop15h 00m
Deal found 9/7![United Airlines logo]()
$735
This Scandinavian Airlines deal was found by Cheapflights users on 9/4. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:45 pm -
1 stop16h 25m
Tue 10/66:45 pm -
2 stops28h 55m
Deal found 9/4![Scandinavian Airlines logo]()
$771
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 pm -
1 stop20h 15m
Wed 10/2810:50 am -
2 stops31h 21m
Deal found 9/6![Multiple Airlines logo]()
$1,147
This Delta deal was found by Cheapflights users on 9/3. 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 10/511:58 am -
2 stops17h 52m
Thu 10/1511:10 am -
2 stops21h 46m
Deal found 9/3![Delta logo]()
$715
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 10/255:00 am -
1 stop24h 15m
Sun 11/81:35 pm -
2 stops40h 54m
Deal found 9/4![United Airlines logo]()
$737
This Delta deal was found by Cheapflights users on 9/6. 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.
Wed 10/142:15 pm -
2 stops17h 55m
Tue 10/2011:10 am -
2 stops21h 46m
Deal found 9/6![Delta logo]()
$715
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/79:05 pm -
1 stop16h 20m
Wed 10/214:05 pm -
Nonstop12h 15m
Deal found 9/5![United Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:50 pm -
2 stops18h 20m
Tue 10/271:10 pm -
1 stop31h 35m
Deal found 9/6![Delta logo]()
$756
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/81:55 pm -
1 stop23h 30m
Wed 10/214:05 pm -
Nonstop12h 15m
Deal found 9/6![United Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 11/219:40 pm -
1 stop16h 25m
Fri 11/276:50 am -
1 stop14h 45m
Deal found 9/7![United Airlines logo]()
$855
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Sun 11/112:00 pm -
2 stops18h 35m
Sun 11/299:10 am -
3 stops39h 25m
Deal found 9/6![Multiple Airlines logo]()
$1,250
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:00 pm -
3 stops24h 00m
Fri 10/302:40 pm -
3 stops30h 05m
Deal found 9/8![Multiple Airlines logo]()
$1,313
Last-minute flights from San Francisco to BarcelonaDiscover last-minute flight deals from San Francisco to Barcelona. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Barcelona. Data last updated September 8, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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 9/104:30 pm -
1 stop20h 40m
Wed 9/238:00 am -
1 stop15h 30m
Deal found 9/5![Condor logo]()
$673
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Fri 9/1111:10 am -
2 stops26h 30m
Fri 9/186:15 am -
2 stops18h 06m
Deal found 9/6![Multiple Airlines logo]()
$1,197
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm -
1 stop14h 35m
Thu 10/228:00 am -
1 stop15h 30m
Deal found 9/4![Condor logo]()
$669
This FlightHub deal was found by Cheapflights users on 9/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:35 pm -
1 stop19h 55m
Mon 10/1211:10 pm -
1 stop25h 45m
Deal found 9/4![Aer Lingus logo]()
$680
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm -
2 stops23h 35m
Mon 10/192:20 pm -
2 stops32h 15m
Deal found 9/4![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 9/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm -
2 stops23h 05m
Wed 10/217:55 pm -
2 stops27h 35m
Deal found 9/7![Multiple Airlines logo]()
$671
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:20 pm -
2 stops24h 15m
Tue 10/1312:55 pm -
2 stops34h 40m
Deal found 9/3![Multiple Airlines logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:30 pm -
1 stop17h 50m
Tue 10/206:00 am -
1 stop16h 35m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$665
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Mon 10/124:30 pm -
2 stops22h 00m
Wed 10/211:25 pm -
2 stops34h 05m
Deal found 9/6![Multiple Airlines logo]()
$678
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:35 pm -
1 stop14h 50m
Wed 10/286:45 am -
1 stop17h 00m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 pm -
1 stop20h 15m
Wed 10/2810:50 am -
2 stops31h 21m
Deal found 9/6![Multiple Airlines logo]()
$1,147
This KAYAK deal was found by Cheapflights users on 9/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:35 pm -
1 stop22h 10m
Sun 11/159:10 pm -
1 stop26h 35m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$682
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 September 8, 2026.
Search for one-way flight options from San Francisco to Barcelona. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Tue 10/611:00 am -
3 stops29h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 10/247:43 am -
3 stops41h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$326
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 11/45:00 am -
2 stops18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$327
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:45 pm -
2 stops33h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$328
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 11/711:20 pm -
1 stop24h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:11 pm -
3 stops43h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$331
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:10 pm -
1 stop26h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![JetBlue logo]()
$332
This Trip.com deal was found by Cheapflights users on 9/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
2 stops19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![WestJet logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:25 pm -
1 stop36h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
2 stops26h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$339
This CheapOair deal was found by Cheapflights users on 9/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:40 pm -
1 stop27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![JetBlue logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:00 pm -
2 stops27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$342
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 September 8, 2026.
Round-trip from | $665 (Kiwi.com) |
|---|---|
One-way from | $323 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $813 |
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 7,457,451 searches. Data last updated September 8, 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 FranciscoGirona
SFO San Francisco - GRO Girona Costa Brava
SFOGRO
San Francisco
Tue 10/6
11:00 am-1:15 am
3 stops29h 15m
Girona Costa Brava
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$323
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Sat 11/14
11:59 pm-8:40 am
1 stop23h 41m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Mon 11/9
9:55 pm-8:35 am
2 stops25h 40m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Thu 11/12
5:25 pm-11:35 am
1 stop33h 10m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$373
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Fri 11/13
8:35 pm-10:40 am
1 stop29h 05m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$373
Quickest round-trip
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Thu 11/12
6:00 am-1:15 pm
2 stops22h 15m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Fri 11/13
9:35 pm-8:40 am
2 stops26h 05m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Sat 11/21
11:59 pm-8:20 am
1 stop23h 21m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$421
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Mon 9/14
4:30 pm-7:20 pm
2 stops41h 50m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$421
San FranciscoBarcelona
SFO San Francisco - BCN Barcelona-El Prat
SFOBCN
San Francisco
Sat 11/21
11:59 pm-8:40 am
1 stop23h 41m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$421
Showing 1-10 of 24 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-GRO
SFO-BCN
SFO-REU
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-GRO
SFO-BCN
SFO-REU
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 $511). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $1,074). 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 September 8, 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.
How much does it cost to fly round-trip from San Francisco to Barcelona?
Airfare is below average for this route at the moment.
San Francisco to Barcelona flights typically cost between $679 and $994 in October.The cheapest round-trip price found within the last 5 days was $665 on TAP AIR PORTUGAL (Oct 12-Oct 20).
How often are flights from San Francisco to Barcelona delayed?
About 16% of weekly flights between San Francisco and Barcelona have experienced delays in the past year, with the average delay time being 147 minutes.
What is the most punctual flight time for San Francisco to Barcelona flights?
Historically, flights departing in the evening 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?
Friday 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 13% 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 September 8, 2026.
See what other customers who have flown with United Airlines,TAP AIR PORTUGAL, andLufthansa 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.
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
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.
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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 September 8, 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 September 8, 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$225 | Average$378 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$362 | Average$666 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$370 | Average$713 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$398 | Average$784 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$433 | Average$727 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$447 | Average$985 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$455 | Average$605 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$466 | Average$851 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$469 | Average$960 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$486 | Average$731 | FlexibilityNo cancel fee | On-time79% |