$593+ Cheap flights from Lisbon (LIS) 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.
LIS — SFO
Aug 19 — Aug 261
Round-trip
1 adult, Economy
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Find cheap flights from Lisbon 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 Lisbon Humberto Delgado to San Francisco are usually found in February or November, booked 62 days in advance, depart on a Thursday or Tuesday and return on a Tuesday
Cheap flight deals from Lisbon to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Lisbon to San FranciscoExplore the most affordable flight options available from Lisbon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Lisbon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:45 pm
LIS
- SFO
2 stops20h 17m
Multiple Airlines
Wed 11/258:35 pm
SFO
- LIS
1 stop29h 20m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$593
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:30 am
LIS
- SFO
2 stops26h 13m
Multiple Airlines
Tue 1/268:35 pm
SFO
- LIS
1 stop17h 10m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$598
This Cheapflightsfares deal was found by Cheapflights users on 7/18. 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 10/66:45 pm
LIS
- SFO
1 stop27h 05m
Multiple Airlines
Tue 12/18:35 pm
SFO
- LIS
1 stop17h 10m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$604
This Iberia deal was found by Cheapflights users on 7/18. 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.
Tue 9/156:35 am
LIS
- SFO
1 stop17h 45m
Multiple Airlines
Tue 9/294:35 pm
SFO
- LIS
1 stop15h 00m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$605
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 12/38:20 am
LIS
- SFO
2 stops22h 08m
American Airlines
Mon 12/78:35 pm
SFO
- LIS
1 stop34h 10m
American Airlines
Deal found 7/18![American Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:05 am
LIS
- SFO
1 stop18h 04m
American Airlines
Wed 9/94:35 pm
SFO
- LIS
1 stop17h 20m
American Airlines
Deal found 7/19![American Airlines logo]()
$609
This Iberia deal was found by Cheapflights users on 7/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:30 pm
LIS
- SFO
2 stops19h 41m
Multiple Airlines
Wed 9/94:35 pm
SFO
- LIS
1 stop15h 05m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$610
This British Airways deal was found by Cheapflights users on 7/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:05 am
LIS
- SFO
1 stop19h 54m
British Airways
Thu 9/107:30 pm
SFO
- LIS
1 stop19h 35m
British Airways
Deal found 7/19![British Airways logo]()
$611
This British Airways deal was found by Cheapflights users on 7/17. 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 10/1311:05 am
LIS
- SFO
1 stop15h 46m
British Airways
Wed 10/214:35 pm
SFO
- LIS
1 stop15h 05m
British Airways
Deal found 7/17![British Airways logo]()
$612
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Wed 9/98:55 am
LIS
- SFO
2 stops20h 21m
American Airlines
Wed 9/307:30 pm
SFO
- LIS
1 stop19h 45m
American Airlines
Deal found 7/17![American Airlines logo]()
$613
This Rumbo deal was found by Cheapflights users on 7/17. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:25 am
LIS
- SFO
2 stops22h 14m
Multiple Airlines
Mon 9/77:30 pm
SFO
- LIS
1 stop19h 40m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$615
This Finnair deal was found by Cheapflights users on 7/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 am
LIS
- SFO
2 stops26h 24m
Finnair
Thu 10/2911:13 am
SFO
- LIS
2 stops29h 12m
Finnair
Deal found 7/17![Finnair logo]()
$616
Best flights from Lisbon to San FranciscoDiscover carefully curated flight deals from Lisbon to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Lisbon to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This British Airways deal was found by Cheapflights users on 7/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:05 am
LIS
- SFO
1 stop19h 54m
British Airways
Thu 9/107:30 pm
SFO
- LIS
1 stop19h 35m
British Airways
Deal found 7/19![British Airways logo]()
$611
This United Airlines deal was found by Cheapflights users on 7/18. 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 9/185:05 am
LIS
- SFO
1 stop18h 15m
United Airlines
Tue 9/2912:45 pm
SFO
- LIS
1 stop13h 45m
United Airlines
Deal found 7/18![United Airlines logo]()
$652
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:55 am
LIS
- SFO
1 stop18h 20m
Multiple Airlines
Mon 8/2410:46 am
SFO
- LIS
1 stop15h 44m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$771
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:05 am
LIS
- SFO
1 stop15h 51m
British Airways
Wed 9/307:30 pm
SFO
- LIS
1 stop19h 45m
British Airways
Deal found 7/20![British Airways logo]()
$612
This United Airlines deal was found by Cheapflights users on 7/17. 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 9/185:05 am
LIS
- SFO
1 stop18h 15m
United Airlines
Tue 11/1710:50 am
SFO
- LIS
1 stop15h 15m
United Airlines
Deal found 7/17![United Airlines logo]()
$653
This British Airways deal was found by Cheapflights users on 7/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:20 am
LIS
- SFO
2 stops20h 07m
British Airways
Wed 9/91:24 pm
SFO
- LIS
2 stops18h 16m
British Airways
Deal found 7/19![British Airways logo]()
$624
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/275:05 am
LIS
- SFO
1 stop15h 35m
United Airlines
Wed 9/911:35 am
SFO
- LIS
1 stop15h 30m
United Airlines
Deal found 7/16![United Airlines logo]()
$661
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.
Mon 8/1712:20 pm
LIS
- SFO
2 stops26h 21m
United Airlines
Mon 8/247:30 am
SFO
- LIS
2 stops16h 50m
United Airlines
Deal found 7/20![United Airlines logo]()
$684
This United Airlines deal was found by Cheapflights users on 7/18. 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 8/1210:25 am
LIS
- SFO
2 stops28h 16m
United Airlines
Thu 10/89:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Deal found 7/18![United Airlines logo]()
$688
This British Airways deal was found by Cheapflights users on 7/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:00 am
LIS
- SFO
2 stops19h 20m
British Airways
Mon 8/311:45 pm
SFO
- LIS
2 stops18h 00m
British Airways
Deal found 7/19![British Airways logo]()
$848
This United Airlines deal was found by Cheapflights users on 7/18. 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 8/1310:25 am
LIS
- SFO
2 stops20h 30m
United Airlines
Thu 10/87:00 am
SFO
- LIS
2 stops18h 20m
United Airlines
Deal found 7/18![United Airlines logo]()
$831
Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated July 20, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 7/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:45 pm
LIS
- SFO
1 stop27h 05m
British Airways
Mon 8/316:00 am
SFO
- LIS
1 stop19h 05m
British Airways
Deal found 7/19![British Airways logo]()
$627
This British Airways deal was found by Cheapflights users on 7/18. 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.
Mon 8/245:10 pm
LIS
- SFO
1 stop28h 40m
British Airways
Sun 8/309:51 am
SFO
- LIS
1 stop15h 14m
British Airways
Deal found 7/18![British Airways logo]()
$628
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:05 am
LIS
- SFO
1 stop15h 51m
British Airways
Mon 8/317:00 am
SFO
- LIS
1 stop18h 05m
British Airways
Deal found 7/20![British Airways logo]()
$620
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:05 am
LIS
- SFO
1 stop18h 04m
American Airlines
Wed 9/94:35 pm
SFO
- LIS
1 stop17h 20m
American Airlines
Deal found 7/19![American Airlines logo]()
$609
This Iberia deal was found by Cheapflights users on 7/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:30 pm
LIS
- SFO
2 stops19h 41m
Multiple Airlines
Wed 9/94:35 pm
SFO
- LIS
1 stop15h 05m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$610
This British Airways deal was found by Cheapflights users on 7/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:05 am
LIS
- SFO
1 stop19h 54m
British Airways
Thu 9/107:30 pm
SFO
- LIS
1 stop19h 35m
British Airways
Deal found 7/19![British Airways logo]()
$611
This British Airways deal was found by Cheapflights users on 7/17. 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 8/2711:05 am
LIS
- SFO
1 stop19h 54m
British Airways
Wed 9/91:24 pm
SFO
- LIS
2 stops18h 16m
British Airways
Deal found 7/17![British Airways logo]()
$612
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:05 am
LIS
- SFO
1 stop15h 51m
American Airlines
Thu 9/106:00 am
SFO
- LIS
1 stop19h 05m
American Airlines
Deal found 7/19![American Airlines logo]()
$619
This Rumbo deal was found by Cheapflights users on 7/17. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:25 am
LIS
- SFO
2 stops22h 14m
Multiple Airlines
Mon 9/77:30 pm
SFO
- LIS
1 stop19h 40m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$615
One-way flights from Lisbon to San FranciscoSearch for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Thrive Travel 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:05 am
LIS
- SFO
1 stop19h 54m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 9/77:10 am
LIS
- SFO
2 stops24h 35m
American Airlines
Deal found 7/16![American Airlines logo]()
$594
This BusinessClass deal was found by Cheapflights users on 7/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:35 am
LIS
- SFO
2 stops21h 13m
Iberia
Deal found 7/17![Iberia logo]()
$602
This Mytrip deal was found by Cheapflights users on 7/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:00 am
LIS
- SFO
3 stops46h 55m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$604
This Finnair deal was found by Cheapflights users on 7/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:35 am
LIS
- SFO
2 stops24h 20m
Finnair
Deal found 7/17![Finnair logo]()
$606
This French Bee deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
LIS
- SFO
1 stop22h 50m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$607
This Cheapflightsfares deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:15 pm
LIS
- SFO
1 stop25h 40m
Aer Lingus
Deal found 7/17![Aer Lingus logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:25 am
LIS
- SFO
2 stops20h 20m
Aer Lingus
Deal found 7/16![Aer Lingus logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Wed 10/149:35 pm
LIS
- SFO
3 stops26h 15m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$611
This Mytrip deal was found by Cheapflights users on 7/17. 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.
Sat 9/510:15 pm
LIS
- SFO
3 stops31h 40m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/2010:15 pm
LIS
- SFO
1 stop25h 35m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$613
Find flight deals from Lisbon to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) 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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $604 (Cheapflightsfares) |
One-way from | $593 (Thrive Travel) |
Popular in | July |
Cheapest in | February |
Average price | $1,031 |
Good round-trip deal | $1,002 or less |
Good one-way deal | $813 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Lisbon 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 20, 2026.
Use the filters below to find and compare flights from Lisbon to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 8/27
11:05 am-10:59 pm
1 stop19h 54m
San Francisco
Thu 9/10
7:30 pm-11:05 pm
1 stop19h 35m
$611
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 9/1
11:05 am-6:56 pm
1 stop15h 51m
San Francisco
Wed 9/30
7:30 pm-11:15 pm
1 stop19h 45m
$612
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 8/27
7:20 am-7:27 pm
2 stops20h 07m
San Francisco
Wed 9/9
1:24 pm-3:40 pm
2 stops18h 16m
$624
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 9/18
5:05 am-3:20 pm
1 stop18h 15m
San Francisco
Tue 9/29
12:45 pm-10:30 am
1 stop13h 45m
$652
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 9/18
5:05 am-3:20 pm
1 stop18h 15m
San Francisco
Tue 11/17
10:50 am-10:05 am
1 stop15h 15m
$653
Quickest round-trip
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 8/27
5:05 am-12:40 pm
1 stop15h 35m
San Francisco
Wed 9/9
11:35 am-11:05 am
1 stop15h 30m
$661
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 8/17
12:20 pm-6:41 am
2 stops26h 21m
San Francisco
Mon 8/24
7:30 am-8:20 am
2 stops16h 50m
$684
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 8/12
10:25 am-6:41 am
2 stops28h 16m
San Francisco
Thu 10/8
9:05 pm-10:45 pm
1 stop17h 40m
$688
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 8/17
5:55 am-4:15 pm
1 stop18h 20m
San Francisco
Mon 8/24
10:46 am-10:30 am
1 stop15h 44m
$771
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 8/13
10:25 am-10:55 pm
2 stops20h 30m
San Francisco
Thu 10/8
7:00 am-9:20 am
2 stops18h 20m
$831
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Lisbon 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 Lisbon to San Francisco in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Lisbon-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Lisbon-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 Lisbon-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 Lisbon to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Lisbon with our price prediction graph.
LIS-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 Lisbon to San Francisco
Prices
Delays
How far ahead should I book a flight from Lisbon to San Francisco?
To ensure you get the cheapest price possible for a flight from Lisbon to San Francisco, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Lisbon to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Lisbon to San Francisco (average of $725). Flying from Lisbon to San Francisco in July is currently the most expensive (average of $1,031). 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 LIS to SFO?
Find hourly flight availability from Lisbon 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 20, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to San Francisco as you normally would.
How often are flights from Lisbon to San Francisco delayed?
About 19% of weekly flights between Lisbon and San Francisco have experienced delays in the past year, with the average delay time being 110 minutes.
What is the most punctual flight time for Lisbon 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?
Monday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Lisbon to San Francisco flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 19% of flights being delayed.
The best insider tips for Lisbon 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 Lisbon 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 20, 2026.
Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta,United Airlines, andTAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Lisbon 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
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Complete your trip
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Lisbon and San Francisco flights
Browse other Lisbon and San Francisco flight options. Last updated on July 20, 2026.
Other flights from Lisbon
Browse through other flights departing from Lisbon. Flights are based on user searches made on Cheapflights and were last updated on July 20, 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 20, 2026.
Top 6 airlines flying from Lisbon to San Francisco
Discover the top 6 airlines that operate flights from Lisbon 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$561 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$642 | Average$802 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$708 | Average$900 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$723 | Average$879 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$732 | Average$902 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$752 | Average$962 | FlexibilityNo cancel fee | On-time76% |