$669+ Cheap flights from Lisbon (LIS) to San Francisco (SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
Jul 20 — Jul 271
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
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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 January, booked 39 days in advance, depart on a Tuesday or Thursday 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 June 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 June 20, 2026.
This deal was found by Cheapflights users on 6/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:20 am
LIS
- SFO
1 stop18h 10m
British Airways
Wed 9/304:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 6/16![British Airways logo]()
$669
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:35 am
LIS
- SFO
2 stops24h 21m
American Airlines
Tue 9/224:35 pm
SFO
- LIS
1 stop17h 20m
American Airlines
Deal found 6/20![American Airlines logo]()
$746
This Expedia deal was found by Cheapflights users on 6/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:05 am
LIS
- SFO
1 stop17h 49m
British Airways
Fri 9/254:35 pm
SFO
- LIS
1 stop22h 35m
British Airways
Deal found 6/20![British Airways logo]()
$747
This Iberia deal was found by Cheapflights users on 6/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:30 pm
LIS
- SFO
2 stops20h 29m
Multiple Airlines
Fri 9/254:35 pm
SFO
- LIS
1 stop17h 25m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$748
This Iberia deal was found by Cheapflights users on 6/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:30 pm
LIS
- SFO
2 stops20h 29m
Multiple Airlines
Wed 9/307:30 pm
SFO
- LIS
1 stop19h 45m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$749
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:05 am
LIS
- SFO
1 stop15h 45m
American Airlines
Mon 9/284:35 pm
SFO
- LIS
1 stop22h 35m
American Airlines
Deal found 6/20![American Airlines logo]()
$758
This British Airways deal was found by Cheapflights users on 6/20. 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.
Thu 9/1711:05 am
LIS
- SFO
1 stop17h 40m
British Airways
Sat 9/264:35 pm
SFO
- LIS
1 stop17h 30m
British Airways
Deal found 6/20![British Airways logo]()
$760
This British Airways deal was found by Cheapflights users on 6/19. 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.
Sat 12/1211:05 am
LIS
- SFO
1 stop16h 19m
British Airways
Sun 1/241:30 pm
SFO
- LIS
2 stops20h 15m
British Airways
Deal found 6/19![British Airways logo]()
$761
This British Airways deal was found by Cheapflights users on 6/20. 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 9/911:05 am
LIS
- SFO
1 stop17h 49m
British Airways
Wed 9/304:35 pm
SFO
- LIS
1 stop22h 40m
British Airways
Deal found 6/20![British Airways logo]()
$762
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 am
LIS
- SFO
2 stops19h 24m
Delta
Thu 9/246:00 am
SFO
- LIS
2 stops21h 15m
Delta
Deal found 6/20![Delta logo]()
$765
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 June 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 June 20, 2026.
This Delta deal was found by Cheapflights users on 6/18. 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 10/85:00 am
LIS
- SFO
1 stop14h 45m
Delta
Thu 10/1511:05 am
SFO
- LIS
2 stops19h 50m
Delta
Deal found 6/18![Delta logo]()
$767
This British Airways deal was found by Cheapflights users on 6/18. 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.
Sat 12/1211:05 am
LIS
- SFO
1 stop19h 23m
British Airways
Sun 1/245:25 pm
SFO
- LIS
1 stop16h 20m
British Airways
Deal found 6/18![British Airways logo]()
$767
This British Airways deal was found by Cheapflights users on 6/18. 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.
Thu 12/1711:05 am
LIS
- SFO
1 stop16h 00m
British Airways
Thu 1/285:25 pm
SFO
- LIS
1 stop20h 30m
British Airways
Deal found 6/18![British Airways logo]()
$767
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 am
LIS
- SFO
1 stop14h 45m
Delta
Mon 9/213:05 pm
SFO
- LIS
1 stop15h 50m
Delta
Deal found 6/17![Delta logo]()
$768
This British Airways deal was found by Cheapflights users on 6/20. 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.
Sun 9/206:50 pm
LIS
- SFO
1 stop27h 00m
British Airways
Mon 9/287:30 pm
SFO
- LIS
1 stop30h 35m
British Airways
Deal found 6/20![British Airways logo]()
$767
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 9/15:00 am
LIS
- SFO
2 stops21h 13m
Delta
Thu 11/2610:00 am
SFO
- LIS
2 stops21h 10m
Delta
Deal found 6/16![Delta logo]()
$774
This British Airways deal was found by Cheapflights users on 6/17. 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.
Wed 9/911:05 am
LIS
- SFO
1 stop17h 49m
British Airways
Wed 9/304:35 pm
SFO
- LIS
1 stop22h 40m
British Airways
Deal found 6/17![British Airways logo]()
$769
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 am
LIS
- SFO
2 stops18h 54m
Delta
Wed 9/301:15 pm
SFO
- LIS
2 stops20h 35m
Delta
Deal found 6/17![Delta logo]()
$774
This British Airways deal was found by Cheapflights users on 6/20. 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.
Sat 9/197:10 am
LIS
- SFO
2 stops22h 44m
British Airways
Wed 9/237:30 pm
SFO
- LIS
1 stop30h 35m
British Airways
Deal found 6/20![British Airways logo]()
$773
This British Airways deal was found by Cheapflights users on 6/17. 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.
Mon 9/711:00 am
LIS
- SFO
2 stops20h 22m
British Airways
Mon 9/217:30 pm
SFO
- LIS
1 stop19h 40m
British Airways
Deal found 6/17![British Airways logo]()
$781
Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated June 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 6/255:00 am
LIS
- SFO
2 stops19h 50m
Delta
Sat 7/115:55 am
SFO
- LIS
2 stops21h 20m
Delta
Deal found 6/16![Delta logo]()
$870
This Delta deal was found by Cheapflights users on 6/19. 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 6/265:00 am
LIS
- SFO
1 stop14h 45m
Delta
Sat 7/113:05 pm
SFO
- LIS
1 stop15h 50m
Delta
Deal found 6/19![Delta logo]()
$856
This KLM deal was found by Cheapflights users on 6/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/263:35 pm
LIS
- SFO
1 stop28h 10m
Multiple Airlines
Sat 7/113:05 pm
SFO
- LIS
1 stop23h 20m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 6/265:00 am
LIS
- SFO
1 stop14h 45m
Delta
Tue 7/75:55 am
SFO
- LIS
2 stops21h 20m
Delta
Deal found 6/16![Delta logo]()
$865
This Air France deal was found by Cheapflights users on 6/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:35 am
LIS
- SFO
1 stop15h 15m
Air France
Tue 7/78:10 pm
SFO
- LIS
1 stop18h 15m
Air France
Deal found 6/16![Air France logo]()
$869
This Delta deal was found by Cheapflights users on 6/16. 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.
Sat 6/275:35 am
LIS
- SFO
1 stop15h 15m
Delta
Tue 7/75:55 am
SFO
- LIS
2 stops21h 20m
Delta
Deal found 6/16![Delta logo]()
$872
This Delta deal was found by Cheapflights users on 6/19. 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.
Sun 6/285:00 am
LIS
- SFO
2 stops19h 50m
Delta
Wed 7/81:45 pm
SFO
- LIS
1 stop21h 00m
Delta
Deal found 6/19![Delta logo]()
$867
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:00 am
LIS
- SFO
2 stops21h 24m
Delta
Thu 7/235:55 am
SFO
- LIS
2 stops21h 20m
Delta
Deal found 6/20![Delta logo]()
$860
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:00 am
LIS
- SFO
2 stops20h 12m
Delta
Tue 7/287:10 am
SFO
- LIS
1 stop19h 35m
Delta
Deal found 6/20![Delta logo]()
$864
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 June 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 June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sat 7/1110:00 pm
LIS
- SFO
3 stops46h 00m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$701
This Trip.com deal was found by Cheapflights users on 6/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 pm
LIS
- SFO
1 stop25h 21m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/159:40 am
LIS
- SFO
3 stops39h 00m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$716
This Mytrip deal was found by Cheapflights users on 6/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:55 am
LIS
- SFO
1 stop15h 55m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$719
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/285:55 am
LIS
- SFO
1 stop36h 55m
Turkish Airlines
Deal found 6/15![Turkish Airlines logo]()
$720
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Thu 7/166:05 pm
LIS
- SFO
1 stop26h 15m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$722
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sun 7/2610:35 pm
LIS
- SFO
3 stops54h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$723
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/2311:35 am
LIS
- SFO
2 stops29h 13m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 7/276:40 pm
LIS
- SFO
2 stops34h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Thu 7/910:40 am
LIS
- SFO
1 stop33h 40m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$726
This WestJet deal was found by Cheapflights users on 6/19. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:10 am
LIS
- SFO
2 stops61h 50m
WestJet
Deal found 6/19![WestJet logo]()
$727
This Booking.com deal was found by Cheapflights users on 6/18. 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.
Mon 6/294:45 pm
LIS
- SFO
1 stop31h 55m
Turkish Airlines
Deal found 6/18![Turkish Airlines logo]()
$730
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 June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $669 |
Popular in | July |
Cheapest in | February |
Average price | $903 |
Good one-way deal | $801 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 June 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 10/8
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Thu 10/15
11:05 am-2:55 pm
2 stops19h 50m
$767
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sat 12/12
11:05 am-10:28 pm
1 stop19h 23m
San Francisco
Sun 1/24
5:25 pm-5:45 pm
1 stop16h 20m
$767
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 12/17
11:05 am-7:05 pm
1 stop16h 00m
San Francisco
Thu 1/28
5:25 pm-9:55 pm
1 stop20h 30m
$767
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sun 9/20
6:50 pm-1:50 pm
1 stop27h 00m
San Francisco
Mon 9/28
7:30 pm-10:05 am
1 stop30h 35m
$767
Quickest round-trip
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 9/9
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Mon 9/21
3:05 pm-2:55 pm
1 stop15h 50m
$768
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 9/9
11:05 am-8:54 pm
1 stop17h 49m
San Francisco
Wed 9/30
4:35 pm-11:15 pm
1 stop22h 40m
$769
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sat 9/19
7:10 am-9:54 pm
2 stops22h 44m
San Francisco
Wed 9/23
7:30 pm-10:05 am
1 stop30h 35m
$773
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 9/1
5:00 am-6:13 pm
2 stops21h 13m
San Francisco
Thu 11/26
10:00 am-3:10 pm
2 stops21h 10m
$774
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 9/9
5:00 am-3:54 pm
2 stops18h 54m
San Francisco
Wed 9/30
1:15 pm-5:50 pm
2 stops20h 35m
$774
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 9/7
11:00 am-11:22 pm
2 stops20h 22m
San Francisco
Mon 9/21
7:30 pm-11:10 pm
1 stop19h 40m
$781
Showing 1-10 of 21 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 June.
| 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 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 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 $751). Flying from Lisbon to San Francisco in July is currently the most expensive (average of $1,113). 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 June 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 18% 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 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
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 June 20, 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.
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
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 Cruz
Santa Clara
Fairfield
Rancho Cordova
Roseville
Cupertino
Emeryville
Newark
Watsonville
San Bruno
San Ramon
Vacaville
San Carlos
Redwood City
Daly City
Turlock
Sunnyvale
Vallejo
San Lorenzo
Browse thousands of different options on Cheapflights for your next trip
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Lisbon and San Francisco flights
Browse other Lisbon and San Francisco flight options. Last updated on June 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 June 20, 2026.
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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 June 20, 2026.
Top 7 airlines flying from Lisbon to San Francisco
Discover the top 7 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$561 | Average$823 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$604 | Average$873 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$642 | Average$802 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$686 | Average$850 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$708 | Average$800 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$752 | Average$957 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$764 | Average$887 | FlexibilityNo cancel fee | On-time69% |