$531+ Cheap flights from Barcelona-El Prat (BCN) to San Francisco (SFO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
Aug 24 — Aug 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Barcelona-El Prat to San Francisco 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 Barcelona-El Prat to San Francisco are usually found in February or January, booked 71 days in advance, depart on a Thursday or Monday and return on a Tuesday
Cheap flight deals from Barcelona-El Prat to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Barcelona-El Prat to San FranciscoExplore the most affordable flight options available from Barcelona-El Prat to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
Explore the most affordable flight options available from Barcelona-El Prat to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
This SWISS deal was found by Cheapflights users on 7/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 am
BCN
- SFO
2 stops17h 51m
SWISS
Thu 10/87:35 pm
SFO
- BCN
1 stop19h 00m
SWISS
Deal found 7/20![SWISS logo]()
$728
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:10 am
BCN
- SFO
2 stops18h 52m
Delta
Tue 9/82:15 pm
SFO
- BCN
2 stops17h 55m
Delta
Deal found 7/22![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 7/21. 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.
Sat 8/296:20 am
BCN
- SFO
2 stops19h 55m
Delta
Mon 9/142:30 pm
SFO
- BCN
2 stops17h 40m
Delta
Deal found 7/21![Delta logo]()
$730
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/294:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Mon 9/145:55 pm
SFO
- BCN
Nonstop11h 25m
United Airlines
Deal found 7/21![United Airlines logo]()
$731
This Air Canada deal was found by Cheapflights users on 7/20. 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.
Wed 9/239:40 am
BCN
- SFO
2 stops17h 51m
Air Canada
Mon 10/58:10 am
SFO
- BCN
1 stop14h 50m
Air Canada
Deal found 7/20![Air Canada logo]()
$732
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/24:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Wed 9/99:05 pm
SFO
- BCN
1 stop16h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 7/22. 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 9/26:20 am
BCN
- SFO
2 stops20h 53m
Delta
Wed 9/96:00 am
SFO
- BCN
2 stops19h 15m
Delta
Deal found 7/22![Delta logo]()
$734
This Air Canada deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am
BCN
- SFO
2 stops21h 31m
Air Canada
Sat 10/1012:35 am
SFO
- BCN
2 stops22h 25m
Air Canada
Deal found 7/22![Air Canada logo]()
$735
This Air Canada deal was found by Cheapflights users on 7/21. 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.
Mon 9/1412:15 pm
BCN
- SFO
1 stop32h 02m
Air Canada
Sun 10/45:00 am
SFO
- BCN
2 stops18h 00m
Air Canada
Deal found 7/21![Air Canada logo]()
$736
This United Airlines deal was found by Cheapflights users on 7/22. 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 10/112:15 pm
BCN
- SFO
1 stop17h 32m
United Airlines
Thu 10/89:05 pm
SFO
- BCN
1 stop16h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$737
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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.
Mon 8/316:00 am
BCN
- SFO
1 stop17h 05m
TAP AIR PORTUGAL
Sat 9/57:35 pm
SFO
- BCN
1 stop20h 55m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$738
This United Airlines deal was found by Cheapflights users on 7/20. 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 11/291:50 pm
BCN
- SFO
1 stop31h 45m
United Airlines
Wed 12/98:10 am
SFO
- BCN
1 stop15h 50m
United Airlines
Deal found 7/20![United Airlines logo]()
$739
Best flights from Barcelona-El Prat to San FranciscoDiscover carefully curated flight deals from Barcelona-El Prat to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from Barcelona-El Prat to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/294:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Mon 9/145:55 pm
SFO
- BCN
Nonstop11h 25m
United Airlines
Deal found 7/21![United Airlines logo]()
$731
This British Airways deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:20 pm
BCN
- SFO
1 stop25h 30m
British Airways
Mon 4/194:35 pm
SFO
- BCN
1 stop14h 50m
British Airways
Deal found 7/21![British Airways logo]()
$754
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 9/294:05 pm
BCN
- SFO
Nonstop12h 15m
Lufthansa
Thu 10/89:05 pm
SFO
- BCN
1 stop16h 20m
Lufthansa
Deal found 7/25![Lufthansa logo]()
$766
This ITA Airways deal was found by Cheapflights users on 7/24. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:20 am
BCN
- SFO
2 stops22h 20m
ITA Airways
Mon 9/143:15 pm
SFO
- BCN
1 stop23h 00m
ITA Airways
Deal found 7/24![ITA Airways logo]()
$815
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:20 am
BCN
- SFO
2 stops23h 42m
Delta
Sat 8/299:48 pm
SFO
- BCN
1 stop25h 47m
Delta
Deal found 7/20![Delta logo]()
$900
This Condor deal was found by Cheapflights users on 7/21. 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.
Thu 8/208:00 am
BCN
- SFO
2 stops19h 23m
Multiple Airlines
Thu 8/278:23 am
SFO
- BCN
2 stops28h 47m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$960
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/54:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Thu 9/248:10 am
SFO
- BCN
1 stop14h 50m
United Airlines
Deal found 7/23![United Airlines logo]()
$732
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:20 am
BCN
- SFO
2 stops19h 23m
Delta
Mon 8/317:00 am
SFO
- BCN
1 stop16h 35m
Delta
Deal found 7/20![Delta logo]()
$900
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/104:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Sat 8/2911:14 pm
SFO
- BCN
1 stop24h 06m
United Airlines
Deal found 7/22![United Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/104:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Fri 8/2810:35 pm
SFO
- BCN
1 stop24h 45m
United Airlines
Deal found 7/22![United Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/74:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Wed 5/199:05 pm
SFO
- BCN
1 stop16h 20m
United Airlines
Deal found 7/23![United Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/134:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Fri 8/281:55 pm
SFO
- BCN
1 stop20h 50m
United Airlines
Deal found 7/25![United Airlines logo]()
$961
Last-minute flights from Barcelona-El Prat to San FranciscoDiscover last-minute flight deals from Barcelona-El Prat to San Francisco. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Barcelona-El Prat to San Francisco. Data last updated July 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:10 am
BCN
- SFO
2 stops18h 52m
Delta
Tue 9/82:15 pm
SFO
- BCN
2 stops17h 55m
Delta
Deal found 7/22![Delta logo]()
$729
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/274:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Tue 9/88:10 am
SFO
- BCN
1 stop14h 50m
United Airlines
Deal found 7/23![United Airlines logo]()
$732
This Air Canada deal was found by Cheapflights users on 7/23. 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.
Thu 8/2712:15 pm
BCN
- SFO
1 stop17h 36m
Air Canada
Tue 9/88:10 am
SFO
- BCN
1 stop14h 50m
Air Canada
Deal found 7/23![Air Canada logo]()
$735
This Delta deal was found by Cheapflights users on 7/21. 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.
Sat 8/296:20 am
BCN
- SFO
2 stops19h 55m
Delta
Mon 9/142:30 pm
SFO
- BCN
2 stops17h 40m
Delta
Deal found 7/21![Delta logo]()
$730
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/294:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Mon 9/145:55 pm
SFO
- BCN
Nonstop11h 25m
United Airlines
Deal found 7/21![United Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/294:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Wed 9/99:05 pm
SFO
- BCN
1 stop16h 20m
United Airlines
Deal found 7/23![United Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/296:20 am
BCN
- SFO
2 stops19h 36m
Delta
Wed 9/96:00 am
SFO
- BCN
2 stops19h 15m
Delta
Deal found 7/23![Delta logo]()
$734
This Virgin Atlantic deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:00 am
BCN
- SFO
2 stops20h 15m
Virgin Atlantic
Mon 9/146:00 am
SFO
- BCN
2 stops17h 35m
Virgin Atlantic
Deal found 7/21![Virgin Atlantic logo]()
$736
This Air Canada deal was found by Cheapflights users on 7/21. 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 8/2912:15 pm
BCN
- SFO
1 stop17h 36m
Air Canada
Mon 9/1411:10 am
SFO
- BCN
2 stops18h 45m
Air Canada
Deal found 7/21![Air Canada logo]()
$741
This Lufthansa deal was found by Cheapflights users on 7/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:10 pm
BCN
- SFO
Nonstop12h 10m
Lufthansa
Fri 9/119:05 pm
SFO
- BCN
1 stop16h 20m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$742
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 8/2912:50 pm
BCN
- SFO
1 stop17h 19m
American Airlines
Mon 9/144:35 pm
SFO
- BCN
1 stop16h 00m
American Airlines
Deal found 7/20![American Airlines logo]()
$743
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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.
Mon 8/316:00 am
BCN
- SFO
1 stop17h 05m
TAP AIR PORTUGAL
Sat 9/57:35 pm
SFO
- BCN
1 stop20h 55m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$738
One-way flights from Barcelona-El Prat to San FranciscoSearch for one-way flight options from Barcelona-El Prat to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from Barcelona-El Prat to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/278:45 am
BCN
- SFO
3 stops44h 55m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:00 am
BCN
- SFO
2 stops21h 29m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/76:35 pm
BCN
- SFO
2 stops30h 15m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$533
This Justfly.com deal was found by Cheapflights users on 7/20. 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.
Mon 9/1411:10 pm
BCN
- SFO
2 stops29h 54m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$536
This Justfly.com deal was found by Cheapflights users on 7/23. 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.
Mon 10/1211:10 pm
BCN
- SFO
2 stops33h 49m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/47:30 am
BCN
- SFO
2 stops41h 20m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/198:10 pm
BCN
- SFO
3 stops33h 22m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 pm
BCN
- SFO
2 stops26h 36m
American Airlines
Deal found 7/22![American Airlines logo]()
$540
This British Airways deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:35 am
BCN
- SFO
2 stops19h 41m
British Airways
Deal found 7/21![British Airways logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/176:35 pm
BCN
- SFO
2 stops30h 20m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/2011:10 pm
BCN
- SFO
1 stop25h 40m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$543
Find flight deals from Barcelona-El Prat to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to San Francisco (SFO). 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $728 (SWISS) |
One-way from | $531 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $924 |
Good round-trip deal | $1,067 or less |
Good one-way deal | $929 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Barcelona-El Prat to San Francisco 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 25, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sat 8/29
4:10 pm-7:20 pm
Nonstop12h 10m
San Francisco
Mon 9/14
5:55 pm-2:20 pm
Nonstop11h 25m
$731
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sat 9/5
4:10 pm-7:20 pm
Nonstop12h 10m
San Francisco
Thu 9/24
8:10 am-8:00 am
1 stop14h 50m
$732
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sun 10/11
9:20 pm-1:50 pm
1 stop25h 30m
San Francisco
Mon 4/19
4:35 pm-4:25 pm
1 stop14h 50m
$754
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Tue 9/29
4:05 pm-7:20 pm
Nonstop12h 15m
San Francisco
Thu 10/8
9:05 pm-10:25 pm
1 stop16h 20m
$766
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sat 8/29
6:20 am-7:40 pm
2 stops22h 20m
San Francisco
Mon 9/14
3:15 pm-11:15 pm
1 stop23h 00m
$815
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Wed 8/12
6:20 am-9:02 pm
2 stops23h 42m
San Francisco
Sat 8/29
9:48 pm-8:35 am
1 stop25h 47m
$900
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Wed 8/12
9:20 am-7:43 pm
2 stops19h 23m
San Francisco
Mon 8/31
7:00 am-8:35 am
1 stop16h 35m
$900
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Mon 8/10
4:10 pm-7:20 pm
Nonstop12h 10m
San Francisco
Sat 8/29
11:14 pm-8:20 am
1 stop24h 06m
$900
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Mon 8/10
4:10 pm-7:20 pm
Nonstop12h 10m
San Francisco
Fri 8/28
10:35 pm-8:20 am
1 stop24h 45m
$900
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Fri 8/7
4:10 pm-7:20 pm
Nonstop12h 10m
San Francisco
Wed 5/19
9:05 pm-10:25 pm
1 stop16h 20m
$903
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Barcelona-El Prat to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to San Francisco in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Barcelona-El Prat to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Barcelona-El Prat with our price prediction graph.
BCN-SFO
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 Barcelona-El Prat Airport to San Francisco
Prices
Airlines
Delays
How far ahead should I book a flight from Barcelona-El Prat Airport to San Francisco?
The best time to book flights from Barcelona-El Prat Airport to San Francisco is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Barcelona-El Prat Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Francisco (average of $581). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of $924). 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 BCN to SFO?
Find hourly flight availability from Barcelona-El Prat to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.
When flying from Barcelona-El Prat Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Barcelona to San Francisco delayed?
About 17% of weekly flights between Barcelona and San Francisco have experienced delays in the past year, with the average delay time being 149 minutes.
What is the most punctual flight time for Barcelona to San Francisco flights?
Historically, flights departing in the morning 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?
Tuesday 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 Barcelona to San Francisco flights?
Over the last year, LEVEL have had the lowest number of delays on this route, with just 15% of flights being delayed.
The best insider tips for Barcelona-El Prat Airport to San Francisco flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Barcelona-El Prat Airport to San Francisco trip
Our travel experts
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated July 25, 2026.
See what other customers who have flown with Delta,United Airlines, andTAP AIR PORTUGAL from Barcelona-El Prat Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Barcelona-El Prat to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Fairfield
Roseville
Burlingame
Rancho Cordova
San Bruno
Cupertino
Emeryville
Newark
Watsonville
Hayward
Redwood City
San Carlos
San Ramon
Turlock
Vallejo
San Lorenzo
Davis
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 Barcelona-El Prat
Popular flights
San Francisco flight routes
Alternative routes for Barcelona-El Prat to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Barcelona-El Prat to San Francisco by cabin class
Find flights from Barcelona-El Prat to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Barcelona-El Prat and San Francisco flights
Browse other Barcelona-El Prat and San Francisco flight options. Last updated on July 25, 2026.
Other flights from Barcelona-El Prat
Browse through other flights departing from Barcelona-El Prat. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Top 9 airlines flying from Barcelona-El Prat to San Francisco
Discover the top 9 airlines that operate flights from Barcelona-El Prat to San Francisco. 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$207 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$487 | Average$676 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$489 | Average$663 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$501 | Average$636 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$522 | Average$919 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$533 | Average$708 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$534 | Average$567 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$562 | Average$892 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$611 | Average$919 | FlexibilityNo cancel fee | On-timeN/A |