$353+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
Apr 9 — Apr 161
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 Tuesday or Saturday 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 March 10, 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 March 10, 2026.
This LEVEL deal was found by Cheapflights users on 3/9. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:05 pm
BCN
- SFO
Nonstop12h 50m
LEVEL
Thu 4/307:40 pm
SFO
- BCN
Nonstop11h 45m
LEVEL
Deal found 3/9![LEVEL logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:05 pm
BCN
- SFO
Nonstop12h 50m
Iberia
Thu 4/307:40 pm
SFO
- BCN
Nonstop11h 45m
Iberia
Deal found 3/7![Iberia logo]()
$475
This Iberia deal was found by Cheapflights users on 3/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:05 pm
BCN
- SFO
Nonstop12h 50m
Iberia
Sun 4/197:40 pm
SFO
- BCN
Nonstop11h 45m
Iberia
Deal found 3/9![Iberia logo]()
$476
This Iberia deal was found by Cheapflights users on 3/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:05 pm
BCN
- SFO
Nonstop12h 50m
Iberia
Sun 5/247:40 pm
SFO
- BCN
Nonstop11h 45m
Iberia
Deal found 3/8![Iberia logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/302:05 pm
BCN
- SFO
Nonstop12h 50m
LEVEL
Thu 5/287:40 pm
SFO
- BCN
Nonstop11h 45m
LEVEL
Deal found 3/9![LEVEL logo]()
$489
This LEVEL deal was found by Cheapflights users on 3/9. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:05 pm
BCN
- SFO
Nonstop12h 50m
LEVEL
Thu 4/307:40 pm
SFO
- BCN
Nonstop11h 45m
LEVEL
Deal found 3/9![LEVEL logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/232:05 pm
BCN
- SFO
Nonstop12h 50m
Iberia
Thu 4/307:40 pm
SFO
- BCN
Nonstop11h 45m
Iberia
Deal found 3/9![Iberia logo]()
$496
This Iberia deal was found by Cheapflights users on 3/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:05 pm
BCN
- SFO
Nonstop12h 50m
Iberia
Sun 4/267:40 pm
SFO
- BCN
Nonstop11h 45m
Iberia
Deal found 3/5![Iberia logo]()
$501
This Mytrip deal was found by Cheapflights users on 3/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:50 pm
BCN
- SFO
1 stop29h 15m
ITA Airways
Tue 4/143:15 pm
SFO
- BCN
1 stop23h 00m
ITA Airways
Deal found 3/5![ITA Airways logo]()
$516
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 March 10, 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 March 10, 2026.
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:15 pm
BCN
- SFO
1 stop18h 17m
Delta
Sun 5/247:05 am
SFO
- BCN
1 stop16h 30m
Delta
Deal found 3/8![Delta logo]()
$578
This British Airways deal was found by Cheapflights users on 3/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:45 am
BCN
- SFO
1 stop21h 24m
British Airways
Sun 4/2611:59 pm
SFO
- BCN
1 stop22h 36m
British Airways
Deal found 3/6![British Airways logo]()
$599
This ITA Airways deal was found by Cheapflights users on 3/8. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:20 am
BCN
- SFO
1 stop15h 55m
ITA Airways
Sun 4/193:15 pm
SFO
- BCN
1 stop15h 40m
ITA Airways
Deal found 3/8![ITA Airways logo]()
$604
This United Airlines deal was found by Cheapflights users on 3/7. 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 3/308:00 am
BCN
- SFO
1 stop21h 00m
United Airlines
Sun 4/1912:00 pm
SFO
- BCN
2 stops16h 15m
United Airlines
Deal found 3/7![United Airlines logo]()
$619
This SWISS deal was found by Cheapflights users on 3/9. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:00 pm
BCN
- SFO
1 stop29h 15m
SWISS
Thu 4/307:35 pm
SFO
- BCN
1 stop28h 15m
SWISS
Deal found 3/9![SWISS logo]()
$649
This Delta deal was found by Cheapflights users on 3/6. 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.
Sat 9/56:20 am
BCN
- SFO
2 stops20h 30m
Delta
Sat 9/193:05 pm
SFO
- BCN
1 stop15h 30m
Delta
Deal found 3/6![Delta logo]()
$595
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Fri 5/16:40 am
BCN
- SFO
1 stop22h 20m
United Airlines
Sat 5/165:40 pm
SFO
- BCN
Nonstop11h 40m
United Airlines
Deal found 3/9![United Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 3/6. 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.
Mon 4/206:20 am
BCN
- SFO
2 stops18h 01m
Delta
Mon 4/276:20 am
SFO
- BCN
2 stops19h 55m
Delta
Deal found 3/6![Delta logo]()
$595
This United Airlines deal was found by Cheapflights users on 3/8. 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 9/56:40 am
BCN
- SFO
1 stop17h 35m
United Airlines
Sat 9/191:10 pm
SFO
- BCN
2 stops17h 25m
United Airlines
Deal found 3/8![United Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:20 am
BCN
- SFO
2 stops17h 48m
Delta
Sun 9/133:05 pm
SFO
- BCN
1 stop17h 05m
Delta
Deal found 3/8![Delta logo]()
$596
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 9/44:10 pm
BCN
- SFO
Nonstop12h 10m
United Airlines
Sun 9/205:50 pm
SFO
- BCN
Nonstop11h 30m
United Airlines
Deal found 3/8![United Airlines logo]()
$631
Last-minute flights from Barcelona-El Prat to San FranciscoDiscover last-minute flight deals from Barcelona-El Prat to San Francisco. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Barcelona-El Prat to San Francisco. Data last updated March 10, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:45 am
BCN
- SFO
1 stop18h 45m
SWISS
Sun 3/297:35 pm
SFO
- BCN
1 stop28h 15m
SWISS
Deal found 3/6![SWISS logo]()
$609
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Mon 3/166:20 am
BCN
- SFO
1 stop15h 45m
ITA Airways
Mon 3/234:05 pm
SFO
- BCN
1 stop34h 45m
ITA Airways
Deal found 3/6![ITA Airways logo]()
$586
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:15 pm
BCN
- SFO
2 stops20h 20m
Delta
Sun 3/2910:35 pm
SFO
- BCN
1 stop29h 15m
Delta
Deal found 3/9![Delta logo]()
$605
This British Airways deal was found by Cheapflights users on 3/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:30 am
BCN
- SFO
1 stop19h 19m
British Airways
Tue 3/316:21 am
SFO
- BCN
1 stop15h 24m
British Airways
Deal found 3/6![British Airways logo]()
$599
This British Airways deal was found by Cheapflights users on 3/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:35 am
BCN
- SFO
1 stop18h 12m
British Airways
Wed 4/14:35 pm
SFO
- BCN
1 stop31h 50m
British Airways
Deal found 3/6![British Airways logo]()
$614
This Flighttix deal was found by Cheapflights users on 3/6. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:50 am
BCN
- SFO
2 stops23h 32m
Air Canada
Fri 4/38:10 am
SFO
- BCN
1 stop14h 50m
Air Canada
Deal found 3/6![Air Canada logo]()
$616
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Tue 3/176:50 am
BCN
- SFO
1 stop14h 50m
United Airlines
Sat 4/46:33 am
SFO
- BCN
2 stops16h 47m
United Airlines
Deal found 3/6![United Airlines logo]()
$619
This British Airways deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:30 am
BCN
- SFO
1 stop19h 19m
British Airways
Mon 3/304:35 pm
SFO
- BCN
1 stop20h 55m
British Airways
Deal found 3/8![British Airways logo]()
$591
This British Airways deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:20 am
BCN
- SFO
1 stop18h 56m
British Airways
Mon 3/304:35 pm
SFO
- BCN
1 stop14h 50m
British Airways
Deal found 3/8![British Airways logo]()
$590
This Delta deal was found by Cheapflights users on 3/6. 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.
Thu 3/196:00 am
BCN
- SFO
1 stop16h 25m
Delta
Mon 3/301:05 pm
SFO
- BCN
2 stops19h 05m
Delta
Deal found 3/6![Delta logo]()
$596
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Thu 3/191:45 pm
BCN
- SFO
1 stop15h 25m
United Airlines
Thu 4/24:50 pm
SFO
- BCN
2 stops30h 10m
United Airlines
Deal found 3/5![United Airlines logo]()
$617
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 March 10, 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 March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Mon 4/138:00 pm
BCN
- SFO
2 stops49h 05m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$353
This Super.com deal was found by Cheapflights users on 3/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:20 pm
BCN
- SFO
1 stop30h 15m
TAP AIR PORTUGAL
Deal found 3/7![TAP AIR PORTUGAL logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sat 5/26:00 am
BCN
- SFO
1 stop20h 35m
TAP AIR PORTUGAL
Deal found 3/10![TAP AIR PORTUGAL logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Thu 4/2310:40 pm
BCN
- SFO
1 stop27h 10m
TAP AIR PORTUGAL
Deal found 3/8![TAP AIR PORTUGAL logo]()
$357
This eDestinos deal was found by Cheapflights users on 3/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
BCN
- SFO
1 stop17h 35m
TAP AIR PORTUGAL
Deal found 3/7![TAP AIR PORTUGAL logo]()
$358
This Booking.com deal was found by Cheapflights users on 3/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:20 pm
BCN
- SFO
1 stop26h 15m
TAP AIR PORTUGAL
Deal found 3/10![TAP AIR PORTUGAL logo]()
$359
This Booking.com deal was found by Cheapflights users on 3/9. 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.
Mon 5/115:45 pm
BCN
- SFO
1 stop29h 50m
TAP AIR PORTUGAL
Deal found 3/9![TAP AIR PORTUGAL logo]()
$360
This Booking.com deal was found by Cheapflights users on 3/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:40 pm
BCN
- SFO
1 stop26h 55m
TAP AIR PORTUGAL
Deal found 3/5![TAP AIR PORTUGAL logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/1710:55 pm
BCN
- SFO
2 stops46h 15m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/166:30 am
BCN
- SFO
2 stops38h 40m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Tue 4/2110:55 am
BCN
- SFO
3 stops40h 05m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$365
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $467 (LEVEL) |
One-way from | $353 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $631 |
Good round-trip deal | $743 or less |
Good one-way deal | $451 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 March 10, 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
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Thu 5/14
3:15 pm-12:32 am
1 stop18h 17m
San Francisco
Sun 5/24
7:05 am-8:35 am
1 stop16h 30m
$578
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sat 9/5
6:20 am-5:50 pm
2 stops20h 30m
San Francisco
Sat 9/19
3:05 pm-3:35 pm
1 stop15h 30m
$595
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Mon 4/20
6:20 am-3:21 pm
2 stops18h 01m
San Francisco
Mon 4/27
6:20 am-11:15 am
2 stops19h 55m
$595
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Fri 9/4
9:20 am-6:08 pm
2 stops17h 48m
San Francisco
Sun 9/13
3:05 pm-5:10 pm
1 stop17h 05m
$596
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Thu 4/23
10:45 am-11:09 pm
1 stop21h 24m
San Francisco
Sun 4/26
11:59 pm-7:35 am
1 stop22h 36m
$599
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Fri 4/3
6:20 am-1:15 pm
1 stop15h 55m
San Francisco
Sun 4/19
3:15 pm-3:55 pm
1 stop15h 40m
$604
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Mon 3/30
8:00 am-8:00 pm
1 stop21h 00m
San Francisco
Sun 4/19
12:00 pm-1:15 pm
2 stops16h 15m
$619
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Fri 5/1
6:40 am-8:00 pm
1 stop22h 20m
San Francisco
Sat 5/16
5:40 pm-2:20 pm
Nonstop11h 40m
$619
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sat 9/5
6:40 am-3:15 pm
1 stop17h 35m
San Francisco
Sat 9/19
1:10 pm-3:35 pm
2 stops17h 25m
$624
Quickest round-trip
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Fri 9/4
4:10 pm-7:20 pm
Nonstop12h 10m
San Francisco
Sun 9/20
5:50 pm-2:20 pm
Nonstop11h 30m
$631
Showing 1-10 of 20 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 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
Delays
How far ahead should I book a flight from Barcelona-El Prat Airport to San Francisco?
Use this chart to determine the optimal time to book a round-trip flight from Barcelona-El Prat to San Francisco. Price data was last updated on March 6, 2026.
The best time to book flights from Barcelona-El Prat Airport to San Francisco is 71 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, March is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Francisco (average of $341). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of $686). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How 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 169 minutes.
What is the most punctual flight time for Barcelona to San Francisco flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning 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 Barcelona to San Francisco flights?
Over the last year, LEVEL have had the lowest number of delays on this route, with just 14% 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 March 10, 2026.
See what other customers who have flown with SWISS,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.
Food
7.1
Entertainment
6.8
Boarding
7.7
Overall
7.5
Comfort
7.4
Crew
8.3
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Food
7.1
Entertainment
6.8
Boarding
7.7
Overall
7.5
Comfort
7.4
Crew
8.3
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Food
7.1
Entertainment
6.8
Boarding
7.7
Overall
7.5
Comfort
7.4
Crew
8.3
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Food
7.1
Entertainment
6.8
Boarding
7.7
Overall
7.5
Comfort
7.4
Crew
8.3
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Food
7.1
Entertainment
6.8
Boarding
7.7
Overall
7.5
Comfort
7.4
Crew
8.3
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Food
7.1
Entertainment
6.8
Boarding
7.7
Overall
7.5
Comfort
7.4
Crew
8.3
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
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
Livermore
Roseville
Watsonville
San Bruno
Sunnyvale
Vacaville
Turlock
San Carlos
San Ramon
Redwood City
Daly City
Rancho Cordova
San Lorenzo
Davis
Hollister
Manteca
Union City
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 March 10, 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 March 10, 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 March 10, 2026.
Top 10 airlines flying from Barcelona-El Prat to San Francisco
Discover the top 10 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$207 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$285 | Average$607 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$455 | Average$605 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$482 | Average$646 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$522 | Average$919 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$533 | Average$648 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$535 | Average$803 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$546 | Average$722 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$780 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$645 | Average$850 | FlexibilityNo cancel fee | On-timeN/A |