$570+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
Sep 18 — Sep 251
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 39 days in advance, depart on a Wednesday 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 August 19, 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 August 19, 2026.
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:55 pm -
1 stop29h 55m
Fri 11/274:45 pm -
1 stop15h 20m
Deal found 8/18![Scandinavian Airlines logo]()
$689
This Rumbo deal was found by Cheapflights users on 8/16. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:55 pm -
1 stop29h 55m
Sat 12/54:45 pm -
1 stop15h 20m
Deal found 8/16![Scandinavian Airlines logo]()
$759
This Rumbo deal was found by Cheapflights users on 8/17. 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.
Thu 10/294:55 pm -
1 stop29h 55m
Sat 12/54:45 pm -
1 stop15h 20m
Deal found 8/17![Scandinavian Airlines logo]()
$764
This oojo deal was found by Cheapflights users on 8/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:55 pm -
1 stop29h 55m
Sun 11/224:45 pm -
1 stop15h 20m
Deal found 8/19![Scandinavian Airlines logo]()
$767
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:40 pm -
1 stop24h 25m
Fri 11/279:59 am -
2 stops26h 16m
Deal found 8/18![Multiple Airlines logo]()
$769
This Rumbo deal was found by Cheapflights users on 8/16. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:55 am -
Nonstop12h 50m
Sat 12/54:35 pm -
Nonstop11h 05m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$787
This SmartFares deal was found by Cheapflights users on 8/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:55 pm -
1 stop29h 55m
Wed 3/34:45 pm -
1 stop15h 20m
Deal found 8/17![Scandinavian Airlines logo]()
$788
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:00 am -
1 stop14h 45m
Tue 11/109:10 am -
1 stop14h 50m
Deal found 8/16![KLM logo]()
$789
This KLM deal was found by Cheapflights users on 8/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
1 stop14h 45m
Fri 10/98:10 pm -
1 stop18h 15m
Deal found 8/17![Multiple Airlines logo]()
$793
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 August 19, 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 August 19, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/294:55 pm -
1 stop29h 55m
Sun 1/314:45 pm -
1 stop15h 20m
Deal found 8/17![Scandinavian Airlines logo]()
$768
This KLM deal was found by Cheapflights users on 8/15. 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.
Fri 9/115:00 am -
1 stop14h 45m
Sun 9/138:10 pm -
1 stop18h 15m
Deal found 8/15![Multiple Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 8/15. 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 9/115:00 am -
1 stop14h 45m
Sun 9/132:15 pm -
2 stops19h 35m
Deal found 8/15![Delta logo]()
$795
This KLM deal was found by Cheapflights users on 8/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:00 am -
1 stop14h 45m
Sun 9/138:10 pm -
1 stop18h 15m
Deal found 8/17![Multiple Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 8/15. 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 9/175:00 am -
1 stop14h 45m
Wed 9/302:30 pm -
2 stops19h 20m
Deal found 8/15![Delta logo]()
$795
This Delta deal was found by Cheapflights users on 8/19. 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.
Wed 9/235:00 am -
1 stop14h 45m
Mon 9/286:35 am -
2 stops20h 40m
Deal found 8/19![Delta logo]()
$796
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 am -
1 stop14h 45m
Mon 9/283:05 pm -
1 stop18h 45m
Deal found 8/18![Multiple Airlines logo]()
$797
This Delta deal was found by Cheapflights users on 8/14. 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 9/35:00 am -
1 stop14h 45m
Wed 9/92:20 pm -
2 stops20h 25m
Deal found 8/14![Delta logo]()
$798
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 am -
2 stops21h 17m
Wed 10/72:15 pm -
2 stops19h 35m
Deal found 8/18![Delta logo]()
$802
This Delta deal was found by Cheapflights users on 8/19. 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.
Fri 10/211:55 am -
2 stops20h 27m
Mon 10/126:05 am -
2 stops21h 10m
Deal found 8/19![Delta logo]()
$802
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:55 am -
2 stops20h 27m
Tue 9/293:05 pm -
1 stop18h 45m
Deal found 8/16![Delta logo]()
$802
Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated August 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 8/246:35 am -
1 stop18h 05m
Mon 9/76:00 am -
1 stop19h 05m
Deal found 8/17![American Airlines logo]()
$892
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am -
1 stop14h 45m
Sun 8/308:10 pm -
1 stop18h 15m
Deal found 8/18![Multiple Airlines logo]()
$796
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am -
1 stop14h 45m
Mon 8/313:05 pm -
1 stop23h 20m
Deal found 8/18![Multiple Airlines logo]()
$835
This British Airways deal was found by Cheapflights users on 8/18. 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.
Tue 8/2511:05 am -
1 stop15h 51m
Sun 8/306:00 am -
1 stop19h 05m
Deal found 8/18![British Airways logo]()
$860
This Rumbo deal was found by Cheapflights users on 8/18. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:05 am -
1 stop15h 51m
Tue 9/13:46 pm -
2 stops23h 14m
Deal found 8/18![British Airways logo]()
$878
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 8/2511:25 am -
1 stop17h 26m
Tue 9/110:46 am -
1 stop15h 44m
Deal found 8/18![United Airlines logo]()
$897
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am -
1 stop14h 45m
Mon 8/313:05 pm -
1 stop33h 45m
Deal found 8/18![Delta logo]()
$898
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 8/2512:20 pm -
1 stop20h 39m
Mon 8/319:30 pm -
1 stop29h 00m
Deal found 8/18![United Airlines logo]()
$900
This KLM deal was found by Cheapflights users on 8/15. 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.
Thu 8/275:00 am -
1 stop14h 45m
Mon 9/213:05 pm -
1 stop18h 45m
Deal found 8/15![Multiple Airlines logo]()
$795
This Delta deal was found by Cheapflights users on 8/15. 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 8/275:00 am -
2 stops19h 13m
Mon 9/211:15 pm -
2 stops20h 35m
Deal found 8/15![Delta logo]()
$800
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 August 19, 2026.
Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This British Airways deal was found by Cheapflights users on 8/17. 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 10/2211:05 am -
1 stop19h 54m
Deal found 8/17![British Airways logo]()
$570
This British Airways deal was found by Cheapflights users on 8/17. 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 10/2911:05 am -
1 stop16h 41m
Deal found 8/17![British Airways logo]()
$571
This KAYAK deal was found by Cheapflights users on 8/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:20 am -
2 stops22h 48m
Deal found 8/17![Finnair logo]()
$572
This Air Caraibes deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Caraibes is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:30 am -
1 stop22h 20m
Deal found 8/14![Multiple Airlines logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/215:55 am -
3 stops38h 20m
Deal found 8/15![Multiple Airlines logo]()
$574
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 12/2011:05 am -
1 stop16h 09m
Deal found 8/16![American Airlines logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:10 am -
3 stops37h 50m
Deal found 8/18![Multiple Airlines logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:00 pm -
2 stops49h 55m
Deal found 8/17![Multiple Airlines logo]()
$577
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:45 pm -
1 stop27h 05m
Deal found 8/17![British Airways logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:00 pm -
3 stops52h 22m
Deal found 8/18![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/168:15 am -
2 stops36h 00m
Deal found 8/15![Multiple Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:50 pm -
3 stops52h 27m
Deal found 8/18![Multiple Airlines logo]()
$581
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $689 (Booking.com) |
One-way from | $570 (British Airways) |
Popular in | July |
Cheapest in | February |
Average price | $957 |
Good round-trip deal | $717 or less |
Good one-way deal | $871 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 7,457,451 searches. Data last updated August 19, 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 Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Fri 1/29
4:55 pm-2:50 pm
1 stop29h 55m
San Francisco
Sun 1/31
4:45 pm-4:05 pm
1 stop15h 20m
$768
Quickest round-trip
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Fri 9/11
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Sun 9/13
8:10 pm-10:25 pm
1 stop18h 15m
$793
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Thu 9/10
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Sun 9/13
8:10 pm-10:25 pm
1 stop18h 15m
$793
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Fri 9/11
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Sun 9/13
2:15 pm-5:50 pm
2 stops19h 35m
$795
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Thu 9/17
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Wed 9/30
2:30 pm-5:50 pm
2 stops19h 20m
$795
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Wed 9/23
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Mon 9/28
6:35 am-11:15 am
2 stops20h 40m
$796
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Thu 9/17
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Mon 9/28
3:05 pm-5:50 pm
1 stop18h 45m
$797
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Thu 9/3
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Wed 9/9
2:20 pm-6:45 pm
2 stops20h 25m
$798
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Thu 9/24
5:00 am-6:17 pm
2 stops21h 17m
San Francisco
Wed 10/7
2:15 pm-5:50 pm
2 stops19h 35m
$802
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Fri 10/2
11:55 am-12:22 am
2 stops20h 27m
San Francisco
Mon 10/12
6:05 am-11:15 am
2 stops21h 10m
$802
Showing 1-10 of 20 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 August.
| 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*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*1 star |
- 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 38 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 $1,108). 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 August 19, 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 18% of weekly flights between Lisbon and San Francisco have experienced delays in the past year, with the average delay time being 106 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?
Thursday 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 18% 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
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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 August 19, 2026.
Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta,Air France, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
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
Walnut Creek
San Bruno
Emeryville
Roseville
Burlingame
Rancho Cordova
Fairfield
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
San Carlos
Turlock
San Lorenzo
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Top 5 airlines flying from Lisbon to San Francisco
Discover the top 5 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 7,457,451 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$561 | Average$861 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$642 | Average$830 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$698 | Average$882 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$731 | Average$919 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$737 | Average$1,141 | FlexibilityNo cancel fee | On-time77% |