Cheap flights from Lisbon to San Francisco from £515
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Lisbon to San Francisco
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 8 October 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 8 October 2026.
Best flights from Lisbon to San FranciscoDiscover carefully curated flight deals from Lisbon to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.
Discover carefully curated flight deals from Lisbon to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.
Direct flights from Lisbon to San FranciscoExplore direct flight options from Lisbon to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.
Explore direct flight options from Lisbon to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.
Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated 8 October 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated 8 October 2026 and is based on user searches.
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 8 October 2026.
Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.
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 8 October 2026.
Cheapflights Fare Finder
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
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Wed 27/1
10:00-14:45
Nonstop12h 45m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Wed 25/11
10:00-14:45
Nonstop12h 45m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Thu 5/11
11:05-19:28
1 stop16h 23m
San Francisco
Thu 12/11
17:25-21:55
1 stop20h 30m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Fri 16/10
11:35-00:34
2 stops20h 59m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Wed 16/12
11:05-22:17
1 stop19h 12m
San Francisco
Fri 1/1
20:35-09:50
1 stop29h 15m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Thu 17/12
10:25-19:14
1 stop16h 49m
San Francisco
Sun 3/1
20:35-21:45
1 stop17h 10m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Wed 16/12
11:05-22:17
1 stop19h 12m
San Francisco
Mon 4/1
20:35-12:05
1 stop31h 30m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Tue 17/11
17:00-22:42
2 stops37h 42m
San Francisco
Tue 24/11
16:45-21:50
2 stops21h 05m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Fri 13/11
05:00-11:45
1 stop14h 45m
San Francisco
Fri 27/11
15:10-17:30
1 stop18h 20m
LisbonSan Francisco
LIS Lisbon Humberto Delgado - SFO San Francisco
LISSFO
Lisbon Humberto Delgado
Tue 3/11
07:05-14:55
1 stop15h 50m
San Francisco
Tue 10/11
12:00-14:50
2 stops18h 50m
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.
Cheapflights Insights
Everything you need to know about your flight from Lisbon to San Francisco
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 £548). Flying from Lisbon to San Francisco in July is currently the most expensive (average of £838). 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?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to San Francisco as you normally would.
How often are flights from Lisbon to San Francisco delayed?
About 19% of weekly flights between Lisbon and San Francisco have experienced delays in the past year, with the average delay time being 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?
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 past year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 19% of flights being delayed.
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.
Travelling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
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Complete your trip
Complete your trip to San Francisco by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to California
Book a non-stop flight to one of these other cities located in California.
Search flights from Lisbon to San Francisco by cabin class
Find flights from Lisbon to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Lisbon and San Francisco flights
Browse other Lisbon and San Francisco flight options. Last updated on 8 October 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 8 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers 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 8 October 2026.
Fly with Cheapflights
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How does Cheapflights help users find flights from Lisbon to San Francisco?
When you search for this flight from Lisbon to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Lisbon to San Francisco?
Cheapflights helps you find that perfect flight to San Francisco from Lisbon by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Lisbon to San Francisco with no change fees?
Need flexible booking options for your flight to San Francisco from Lisbon? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Lisbon to San Francisco become cheaper?
Not ready to book yet? You can track prices for flights from Lisbon to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.