$559+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
Sep 29 — Oct 61
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 Thursday or Wednesday and return on a Monday
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 30, 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 30, 2026.
This Mytrip deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:55 pm -
1 stop29h 55m
Wed 11/184:45 pm -
1 stop15h 20m
Deal found 8/30![Scandinavian Airlines logo]()
$559
This oojo deal was found by Cheapflights users on 8/28. 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.
Sat 11/74:55 pm -
1 stop29h 55m
Sat 11/144:45 pm -
1 stop15h 20m
Deal found 8/28![Scandinavian Airlines logo]()
$570
This Booking.com deal was found by Cheapflights users on 8/28. 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 11/234:55 pm -
1 stop29h 55m
Wed 12/94:45 pm -
1 stop15h 20m
Deal found 8/28![Scandinavian Airlines logo]()
$578
This Gotogate deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:55 pm -
1 stop23h 45m
Tue 10/64:45 pm -
1 stop18h 40m
Deal found 8/27![Scandinavian Airlines logo]()
$597
This Trip.com deal was found by Cheapflights users on 8/28. 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 10/78:15 pm -
1 stop26h 25m
Wed 10/285:45 pm -
1 stop15h 20m
Deal found 8/28![Scandinavian Airlines logo]()
$602
This Mytrip deal was found by Cheapflights users on 8/27. 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 10/310:55 pm -
1 stop23h 45m
Tue 10/134:45 pm -
1 stop18h 40m
Deal found 8/27![Scandinavian Airlines logo]()
$617
This Gotogate deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:55 pm -
1 stop29h 55m
Tue 11/104:45 pm -
1 stop15h 20m
Deal found 8/30![Scandinavian Airlines logo]()
$618
This Scandinavian Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 10/78:15 pm -
1 stop26h 25m
Mon 10/265:45 pm -
1 stop15h 20m
Deal found 8/28![Scandinavian Airlines logo]()
$621
This Gotogate deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:55 pm -
1 stop29h 55m
Wed 11/114:45 pm -
1 stop15h 20m
Deal found 8/27![Scandinavian Airlines logo]()
$623
This oojo deal was found by Cheapflights users on 8/28. 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 8/28![Scandinavian Airlines logo]()
$628
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 30, 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 30, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 1/144:55 pm -
1 stop29h 55m
Mon 1/184:45 pm -
1 stop15h 20m
Deal found 8/28![Scandinavian Airlines logo]()
$602
This Delta deal was found by Cheapflights users on 8/29. 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 9/225:00 am -
1 stop14h 45m
Tue 10/63:05 pm -
1 stop18h 45m
Deal found 8/29![Delta logo]()
$745
This KLM deal was found by Cheapflights users on 8/28. 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.
Wed 10/145:00 am -
1 stop14h 45m
Thu 10/221:45 pm -
1 stop21h 00m
Deal found 8/28![KLM logo]()
$753
This British Airways deal was found by Cheapflights users on 8/27. 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 10/56:45 pm -
1 stop27h 05m
Mon 10/191:28 pm -
2 stops18h 17m
Deal found 8/27![British Airways logo]()
$777
This Scandinavian Airlines deal was found by Cheapflights users on 8/30. 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.
Wed 11/44:55 pm -
2 stops40h 20m
Tue 11/104:45 pm -
1 stop15h 20m
Deal found 8/30![Scandinavian Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 8/28. 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 10/215:00 am -
1 stop14h 45m
Wed 10/281:20 pm -
2 stops18h 50m
Deal found 8/28![Delta logo]()
$747
This Delta deal was found by Cheapflights users on 8/30. 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 10/55:00 am -
2 stops21h 09m
Mon 10/193:05 pm -
1 stop15h 50m
Deal found 8/30![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 8/28. 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 10/135:00 am -
1 stop14h 45m
Thu 10/227:00 am -
1 stop19h 45m
Deal found 8/28![Delta logo]()
$751
This Delta deal was found by Cheapflights users on 8/28. 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 10/15:00 am -
2 stops21h 09m
Wed 10/1411:45 am -
2 stops19h 10m
Deal found 8/28![Delta logo]()
$752
Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated August 30, 2026 and is based on user searches.
This Iberia deal was found by Cheapflights users on 8/26. 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 9/38:25 am -
1 stop15h 55m
Mon 9/74:35 pm -
1 stop17h 20m
Deal found 8/26![Multiple Airlines logo]()
$749
This KLM deal was found by Cheapflights users on 8/30. 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 9/85:00 am -
1 stop14h 45m
Tue 9/158:10 pm -
1 stop18h 15m
Deal found 8/30![Multiple Airlines logo]()
$747
This Delta deal was found by Cheapflights users on 8/30. 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 9/85:00 am -
2 stops18h 54m
Tue 9/157:10 am -
2 stops20h 05m
Deal found 8/30![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 8/28. 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 9/105:00 am -
2 stops21h 09m
Sun 9/132:30 pm -
2 stops19h 20m
Deal found 8/28![Delta logo]()
$752
This Iberia deal was found by Cheapflights users on 8/27. 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 9/1112:30 pm -
2 stops18h 58m
Sun 9/137:30 pm -
1 stop19h 35m
Deal found 8/27![Multiple Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 8/29. 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 9/165:00 am -
2 stops19h 24m
Tue 9/2910:29 am -
2 stops20h 26m
Deal found 8/29![Delta logo]()
$750
This Mytrip deal was found by Cheapflights users on 8/25. 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.
Tue 9/226:15 am -
2 stops23h 40m
Tue 10/208:10 am -
2 stops24h 35m
Deal found 8/25![Multiple Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 8/29. 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 9/225:00 am -
1 stop14h 45m
Tue 10/63:05 pm -
1 stop18h 45m
Deal found 8/29![Delta logo]()
$745
This Expedia deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:50 am -
1 stop16h 10m
Wed 10/712:05 pm -
2 stops18h 50m
Deal found 8/29![Air France logo]()
$724
This Delta deal was found by Cheapflights users on 8/27. 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
Thu 10/12:15 pm -
2 stops19h 35m
Deal found 8/27![Delta logo]()
$753
This Delta deal was found by Cheapflights users on 8/30. 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 9/305:00 am -
1 stop14h 45m
Wed 10/219:54 am -
2 stops21h 01m
Deal found 8/30![Delta logo]()
$743
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 30, 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 30, 2026.
This Trip.com deal was found by Cheapflights users on 8/25. 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.
Mon 10/57:00 am -
1 stop20h 15m
Deal found 8/25![Multiple Airlines logo]()
$678
This Cheapflightsfares deal was found by Cheapflights users on 8/26. 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.
Fri 9/410:15 pm -
1 stop25h 40m
Deal found 8/26![Aer Lingus logo]()
$679
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/65:55 am -
2 stops24h 00m
Deal found 8/25![Multiple Airlines logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 1/69:45 am -
3 stops45h 11m
Deal found 8/26![Multiple Airlines logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/712:50 pm -
2 stops53h 32m
Deal found 8/26![Multiple Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/269:10 am -
3 stops38h 11m
Deal found 8/25![Multiple Airlines logo]()
$689
This Transavia Smart Connect deal was found by Cheapflights users on 8/26. 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 Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:30 am -
1 stop22h 20m
Deal found 8/26![Multiple Airlines logo]()
$691
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/511:30 pm -
3 stops45h 39m
Deal found 8/26![Multiple Airlines logo]()
$692
This Thrive Travel deal was found by Cheapflights users on 8/25. 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 9/106:35 am -
1 stop17h 45m
Deal found 8/25![Iberia logo]()
$693
This Transavia Smart Connect deal was found by Cheapflights users on 8/28. 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 Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:40 pm -
1 stop35h 10m
Deal found 8/28![Multiple Airlines logo]()
$694
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $559 (Mytrip) |
Popular in | July |
Cheapest in | February |
Average price | $1,048 |
Good round-trip deal | $912 or less |
Good one-way deal | $811 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 30, 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
Thu 1/14
4:55 pm-2:50 pm
1 stop29h 55m
San Francisco
Mon 1/18
4:45 pm-4:05 pm
1 stop15h 20m
$602
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Wed 11/4
4:55 pm-1:15 am
2 stops40h 20m
San Francisco
Tue 11/10
4:45 pm-4:05 pm
1 stop15h 20m
$721
Quickest round-trip
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Tue 9/22
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Tue 10/6
3:05 pm-5:50 pm
1 stop18h 45m
$745
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Wed 10/21
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Wed 10/28
1:20 pm-3:10 pm
2 stops18h 50m
$747
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Mon 10/5
5:00 am-6:09 pm
2 stops21h 09m
San Francisco
Mon 10/19
3:05 pm-2:55 pm
1 stop15h 50m
$748
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Tue 10/13
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Thu 10/22
7:00 am-10:45 am
1 stop19h 45m
$751
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Thu 10/1
5:00 am-6:09 pm
2 stops21h 09m
San Francisco
Wed 10/14
11:45 am-2:55 pm
2 stops19h 10m
$752
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Wed 10/14
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Thu 10/22
1:45 pm-6:45 pm
1 stop21h 00m
$753
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Mon 10/5
6:45 pm-1:50 pm
1 stop27h 05m
San Francisco
Mon 10/19
1:28 pm-3:45 pm
2 stops18h 17m
$777
Cheapest one-way
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Sun 10/11
6:30 am-8:50 pm
1 stop22h 20m
$711
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 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 $1,113). 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 August 30, 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 108 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 August 30, 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
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
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
Emeryville
San Bruno
Burlingame
Rancho Cordova
Roseville
Fairfield
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
San Carlos
Turlock
Davis
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Lisbon and San Francisco flights
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Other flights from Lisbon
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Top 4 airlines flying from Lisbon to San Francisco
Discover the top 4 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$561 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$642 | Average$830 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$701 | Average$955 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$731 | Average$920 | FlexibilityNo cancel fee | On-time69% |