$397+ 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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
May 24 — May 311
Round-trip
1 adult, Economy
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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 57 days in advance, depart on a Thursday 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 April 24, 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 April 24, 2026.
This deal was found by Cheapflights users on 4/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:20 am
BCN
- SFO
1 stop15h 55m
ITA Airways
Sun 9/133:15 pm
SFO
- BCN
1 stop15h 40m
ITA Airways
Deal found 4/24![ITA Airways logo]()
$544
This deal was found by Cheapflights users on 4/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:20 am
BCN
- SFO
1 stop15h 55m
ITA Airways
Sun 9/133:15 pm
SFO
- BCN
1 stop15h 40m
ITA Airways
Deal found 4/24![ITA Airways logo]()
$570
This deal was found by Cheapflights users on 4/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:20 am
BCN
- SFO
1 stop15h 55m
ITA Airways
Sun 5/33:15 pm
SFO
- BCN
1 stop15h 40m
ITA Airways
Deal found 4/21![ITA Airways logo]()
$580
This deal was found by Cheapflights users on 4/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:20 am
BCN
- SFO
1 stop15h 55m
ITA Airways
Sat 9/123:15 pm
SFO
- BCN
1 stop15h 40m
ITA Airways
Deal found 4/24![ITA Airways logo]()
$583
This deal was found by Cheapflights users on 4/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:00 am
BCN
- SFO
1 stop15h 30m
Condor
Tue 9/154:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Deal found 4/24![Condor logo]()
$594
This Expedia deal was found by Cheapflights users on 4/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:00 am
BCN
- SFO
1 stop15h 30m
Condor
Tue 10/64:30 pm
SFO
- BCN
1 stop20h 40m
Condor
Deal found 4/24![Condor logo]()
$595
This Flighttix deal was found by Cheapflights users on 4/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:00 am
BCN
- SFO
1 stop15h 30m
Condor
Mon 5/184:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Deal found 4/20![Condor logo]()
$600
This Gotogate deal was found by Cheapflights users on 4/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:00 am
BCN
- SFO
1 stop15h 30m
Condor
Thu 10/154:30 pm
SFO
- BCN
1 stop14h 35m
Condor
Deal found 4/23![Condor logo]()
$604
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:00 am
BCN
- SFO
1 stop15h 30m
Condor
Thu 5/144:30 pm
SFO
- BCN
1 stop14h 35m
Condor
Deal found 4/20![Condor logo]()
$606
This Gotogate deal was found by Cheapflights users on 4/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:00 am
BCN
- SFO
1 stop15h 30m
Condor
Mon 5/254:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Deal found 4/20![Condor logo]()
$607
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 April 24, 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 April 24, 2026.
This British Airways deal was found by Cheapflights users on 4/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:45 am
BCN
- SFO
1 stop17h 46m
British Airways
Thu 5/144:35 pm
SFO
- BCN
1 stop18h 00m
British Airways
Deal found 4/24![British Airways logo]()
$655
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:10 am
BCN
- SFO
2 stops21h 55m
Delta
Thu 5/143:05 pm
SFO
- BCN
1 stop17h 05m
Delta
Deal found 4/24![Delta logo]()
$681
This KLM deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:20 pm
BCN
- SFO
1 stop14h 40m
Multiple Airlines
Sat 5/3010:29 am
SFO
- BCN
1 stop15h 41m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$689
This SWISS deal was found by Cheapflights users on 4/19. 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.
Sun 5/36:00 am
BCN
- SFO
1 stop19h 15m
SWISS
Sat 5/162:03 pm
SFO
- BCN
2 stops18h 47m
SWISS
Deal found 4/19![SWISS logo]()
$741
This British Airways deal was found by Cheapflights users on 4/21. 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.
Fri 5/110:45 am
BCN
- SFO
1 stop22h 09m
British Airways
Thu 5/144:35 pm
SFO
- BCN
1 stop18h 00m
British Airways
Deal found 4/21![British Airways logo]()
$674
This Delta deal was found by Cheapflights users on 4/22. 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.
Thu 4/306:20 am
BCN
- SFO
1 stop14h 25m
Delta
Sun 5/36:20 am
SFO
- BCN
2 stops18h 55m
Delta
Deal found 4/22![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:20 am
BCN
- SFO
2 stops19h 00m
Delta
Thu 5/2810:29 am
SFO
- BCN
1 stop15h 41m
Delta
Deal found 4/24![Delta logo]()
$685
This Aer Lingus deal was found by Cheapflights users on 4/20. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:25 am
BCN
- SFO
1 stop17h 25m
Multiple Airlines
Fri 5/155:35 pm
SFO
- BCN
1 stop19h 55m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$787
This Delta deal was found by Cheapflights users on 4/19. 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 5/236:20 am
BCN
- SFO
2 stops22h 00m
Delta
Sat 5/3010:29 am
SFO
- BCN
1 stop15h 41m
Delta
Deal found 4/19![Delta logo]()
$688
Last-minute flights from Barcelona-El Prat to San FranciscoDiscover last-minute flight deals from Barcelona-El Prat to San Francisco. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Barcelona-El Prat to San Francisco. Data last updated April 24, 2026 and is based on user searches.
This deal was found by Cheapflights users on 4/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:20 am
BCN
- SFO
1 stop15h 55m
ITA Airways
Sun 5/33:15 pm
SFO
- BCN
1 stop15h 40m
ITA Airways
Deal found 4/21![ITA Airways logo]()
$580
This Flighttix deal was found by Cheapflights users on 4/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:00 am
BCN
- SFO
1 stop15h 30m
Condor
Mon 5/184:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Deal found 4/20![Condor logo]()
$583
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:00 am
BCN
- SFO
1 stop15h 30m
Condor
Thu 5/144:30 pm
SFO
- BCN
1 stop14h 35m
Condor
Deal found 4/20![Condor logo]()
$606
This Flighttix deal was found by Cheapflights users on 4/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:00 am
BCN
- SFO
1 stop15h 30m
Condor
Mon 5/254:30 pm
SFO
- BCN
1 stop20h 40m
Condor
Deal found 4/20![Condor logo]()
$619
This Gotogate deal was found by Cheapflights users on 4/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:00 am
BCN
- SFO
1 stop15h 30m
Condor
Mon 5/254:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Deal found 4/20![Condor logo]()
$607
This eDestinos deal was found by Cheapflights users on 4/19. 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 5/198:00 am
BCN
- SFO
1 stop15h 30m
Condor
Tue 5/264:30 pm
SFO
- BCN
1 stop14h 30m
Condor
Deal found 4/19![Condor logo]()
$616
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 April 24, 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 April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 6/710:40 pm
BCN
- SFO
2 stops51h 25m
TAP AIR PORTUGAL
Deal found 4/19![TAP AIR PORTUGAL logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:10 pm
BCN
- SFO
2 stops33h 40m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
BCN
- SFO
1 stop19h 50m
TAP AIR PORTUGAL
Deal found 4/24![TAP AIR PORTUGAL logo]()
$404
This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
BCN
- SFO
1 stop20h 55m
TAP AIR PORTUGAL
Deal found 4/21![TAP AIR PORTUGAL logo]()
$406
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:20 pm
BCN
- SFO
1 stop27h 15m
TAP AIR PORTUGAL
Deal found 4/21![TAP AIR PORTUGAL logo]()
$407
This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
BCN
- SFO
1 stop17h 35m
TAP AIR PORTUGAL
Deal found 4/21![TAP AIR PORTUGAL logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 6/911:30 pm
BCN
- SFO
2 stops47h 20m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$409
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:20 pm
BCN
- SFO
1 stop27h 15m
TAP AIR PORTUGAL
Deal found 4/21![TAP AIR PORTUGAL logo]()
$410
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares 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 4/20![TAP AIR PORTUGAL logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Thu 6/189:10 am
BCN
- SFO
3 stops45h 45m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$412
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:20 pm
BCN
- SFO
1 stop30h 15m
TAP AIR PORTUGAL
Deal found 4/23![TAP AIR PORTUGAL logo]()
$414
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $580 |
One-way from | $397 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $636 |
Good round-trip deal | $1,160 or less |
Good one-way deal | $652 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 April 24, 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 5/7
10:45 am-7:31 pm
1 stop17h 46m
San Francisco
Thu 5/14
4:35 pm-7:35 pm
1 stop18h 00m
$655
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Fri 5/1
10:45 am-11:54 pm
1 stop22h 09m
San Francisco
Thu 5/14
4:35 pm-7:35 pm
1 stop18h 00m
$674
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Thu 5/7
11:10 am-12:05 am
2 stops21h 55m
San Francisco
Thu 5/14
3:05 pm-5:10 pm
1 stop17h 05m
$681
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Thu 4/30
6:20 am-11:45 am
1 stop14h 25m
San Francisco
Sun 5/3
6:20 am-10:15 am
2 stops18h 55m
$684
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Fri 5/22
9:20 am-7:20 pm
2 stops19h 00m
San Francisco
Thu 5/28
10:29 am-11:10 am
1 stop15h 41m
$685
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sat 5/23
6:20 am-7:20 pm
2 stops22h 00m
San Francisco
Sat 5/30
10:29 am-11:10 am
1 stop15h 41m
$688
Quickest round-trip
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sat 5/23
12:20 pm-6:00 pm
1 stop14h 40m
San Francisco
Sat 5/30
10:29 am-11:10 am
1 stop15h 41m
$689
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sun 5/3
6:00 am-4:15 pm
1 stop19h 15m
San Francisco
Sat 5/16
2:03 pm-5:50 pm
2 stops18h 47m
$741
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Fri 5/1
7:25 am-3:50 pm
1 stop17h 25m
San Francisco
Fri 5/15
5:35 pm-10:30 pm
1 stop19h 55m
$787
Cheapest one-way
BarcelonaSan Francisco
BCN - SFO
BCNSFO
Barcelona-El Prat
Sun 6/7
10:40 pm-5:05 pm
2 stops51h 25m
$397
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 April.
| 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?
The best time to book flights from Barcelona-El Prat Airport to San Francisco is 56 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 $573). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of $868). 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 much does it cost to fly round-trip from Barcelona-El Prat Airport to San Francisco?
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 April 24, 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.
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
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Barcelona-El Prat and San Francisco flights
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Other flights from Barcelona-El Prat
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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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$207 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$285 | Average$654 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$482 | Average$646 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$522 | Average$919 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$522 | Average$788 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$533 | Average$745 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$535 | Average$793 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$536 | Average$580 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$546 | Average$732 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$569 | Average$850 | FlexibilityNo cancel fee | On-timeN/A |