$380+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
Mar 28 — Apr 41
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 May, booked 39 days in advance, depart on a Wednesday or Thursday 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 February 26, 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 February 26, 2026.
This LEVEL deal was found by Cheapflights users on 2/26. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:00 pm
LIS
- SFO
1 stop35h 55m
LEVEL
Sun 4/197:40 pm
SFO
- LIS
1 stop17h 00m
LEVEL
Deal found 2/26![LEVEL logo]()
$571
This LEVEL deal was found by Cheapflights users on 2/25. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:20 pm
LIS
- SFO
1 stop28h 35m
LEVEL
Sun 4/197:40 pm
SFO
- LIS
1 stop17h 00m
LEVEL
Deal found 2/25![LEVEL logo]()
$594
This lol.travel deal was found by Cheapflights users on 2/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:40 am
LIS
- SFO
Nonstop12h 55m
TAP AIR PORTUGAL
Mon 3/165:35 pm
SFO
- LIS
Nonstop11h 00m
TAP AIR PORTUGAL
Deal found 2/25![TAP AIR PORTUGAL logo]()
$602
This Rumbo deal was found by Cheapflights users on 2/24. 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.
Fri 4/1712:20 pm
LIS
- SFO
Nonstop12h 30m
TAP AIR PORTUGAL
Thu 4/307:55 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Deal found 2/24![TAP AIR PORTUGAL logo]()
$620
This Gotogate deal was found by Cheapflights users on 2/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:20 pm
LIS
- SFO
Nonstop12h 30m
TAP AIR PORTUGAL
Tue 4/214:35 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Deal found 2/26![TAP AIR PORTUGAL logo]()
$632
This Mytrip deal was found by Cheapflights users on 2/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:00 pm
LIS
- SFO
2 stops35h 15m
Multiple Airlines
Sun 4/197:35 pm
SFO
- LIS
2 stops19h 40m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$634
This oojo deal was found by Cheapflights users on 2/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:20 pm
LIS
- SFO
Nonstop12h 30m
TAP AIR PORTUGAL
Thu 4/237:55 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Deal found 2/25![TAP AIR PORTUGAL logo]()
$635
This Iberia deal was found by Cheapflights users on 2/23. 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.
Mon 6/159:15 pm
LIS
- SFO
1 stop28h 45m
Iberia
Sun 7/197:50 pm
SFO
- LIS
1 stop16h 45m
Iberia
Deal found 2/23![Iberia logo]()
$639
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 February 26, 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 February 26, 2026.
This KLM deal was found by Cheapflights users on 2/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:50 pm
LIS
- SFO
1 stop27h 00m
Multiple Airlines
Tue 3/313:05 pm
SFO
- LIS
1 stop23h 20m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 2/23. 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 4/1311:55 am
LIS
- SFO
2 stops20h 32m
Delta
Mon 4/203:05 pm
SFO
- LIS
1 stop15h 50m
Delta
Deal found 2/23![Delta logo]()
$733
This United Airlines deal was found by Cheapflights users on 2/22. 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 3/2412:20 pm
LIS
- SFO
1 stop15h 50m
United Airlines
Tue 3/316:33 am
SFO
- LIS
2 stops19h 57m
United Airlines
Deal found 2/22![United Airlines logo]()
$757
This KLM deal was found by Cheapflights users on 2/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:00 am
LIS
- SFO
1 stop14h 45m
KLM
Thu 4/91:45 pm
SFO
- LIS
1 stop25h 05m
KLM
Deal found 2/25![KLM logo]()
$814
This Delta deal was found by Cheapflights users on 2/23. 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 3/245:30 am
LIS
- SFO
2 stops17h 34m
Delta
Tue 3/313:05 pm
SFO
- LIS
1 stop15h 50m
Delta
Deal found 2/23![Delta logo]()
$740
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:25 am
LIS
- SFO
1 stop18h 09m
United Airlines
Mon 4/69:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Deal found 2/25![United Airlines logo]()
$759
This Lufthansa deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:55 am
LIS
- SFO
1 stop18h 20m
Multiple Airlines
Fri 4/179:05 pm
SFO
- LIS
1 stop17h 40m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$807
This Delta deal was found by Cheapflights users on 2/23. 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 4/69:50 am
LIS
- SFO
2 stops22h 07m
Delta
Sun 4/126:20 am
SFO
- LIS
2 stops20h 55m
Delta
Deal found 2/23![Delta logo]()
$801
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:20 pm
LIS
- SFO
2 stops27h 13m
United Airlines
Wed 9/1610:35 pm
SFO
- LIS
1 stop27h 55m
United Airlines
Deal found 2/25![United Airlines logo]()
$860
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:50 am
LIS
- SFO
2 stops21h 22m
Delta
Mon 7/276:00 am
SFO
- LIS
2 stops21h 15m
Delta
Deal found 2/26![Delta logo]()
$881
Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated February 26, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated February 26, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 2/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:40 am
LIS
- SFO
Nonstop12h 55m
TAP AIR PORTUGAL
Mon 3/165:35 pm
SFO
- LIS
Nonstop11h 00m
TAP AIR PORTUGAL
Deal found 2/25![TAP AIR PORTUGAL logo]()
$602
This KLM deal was found by Cheapflights users on 2/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1511:25 am
LIS
- SFO
1 stop32h 25m
Multiple Airlines
Sun 3/224:40 pm
SFO
- LIS
1 stop22h 45m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$730
This KLM deal was found by Cheapflights users on 2/24. 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 3/244:50 pm
LIS
- SFO
1 stop27h 00m
Multiple Airlines
Tue 3/313:05 pm
SFO
- LIS
1 stop15h 50m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 2/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:30 am
LIS
- SFO
2 stops22h 30m
Delta
Tue 3/319:46 am
SFO
- LIS
2 stops21h 09m
Delta
Deal found 2/25![Delta logo]()
$739
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:00 am
LIS
- SFO
1 stop23h 10m
United Airlines
Wed 4/89:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Deal found 2/25![United Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:00 am
LIS
- SFO
1 stop23h 10m
United Airlines
Sat 4/1111:20 pm
SFO
- LIS
1 stop27h 10m
United Airlines
Deal found 2/25![United Airlines logo]()
$728
This KLM deal was found by Cheapflights users on 2/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:45 pm
LIS
- SFO
1 stop24h 00m
Multiple Airlines
Wed 4/88:10 pm
SFO
- LIS
1 stop18h 15m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$655
This KLM deal was found by Cheapflights users on 2/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:45 pm
LIS
- SFO
1 stop24h 00m
Multiple Airlines
Tue 4/73:05 pm
SFO
- LIS
1 stop33h 45m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$678
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 February 26, 2026.
Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated February 26, 2026.
This Trip.com deal was found by Cheapflights users on 2/23. 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 6/177:40 am
LIS
- SFO
2 stops22h 15m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$380
This Mytrip deal was found by Cheapflights users on 2/23. 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 3/179:25 am
LIS
- SFO
1 stop18h 57m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/138:50 pm
LIS
- SFO
3 stops43h 40m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$433
This Mytrip deal was found by Cheapflights users on 2/23. 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.
Thu 3/128:40 am
LIS
- SFO
1 stop19h 42m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/116:40 am
LIS
- SFO
2 stops21h 30m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/255:55 am
LIS
- SFO
1 stop22h 15m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 6/510:20 pm
LIS
- SFO
2 stops51h 40m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/141:15 pm
LIS
- SFO
1 stop38h 55m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$476
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 February 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $571 (LEVEL) |
One-way from | $380 (Trip.com) |
Popular in | July |
Cheapest in | February |
Average price | $751 |
Good round-trip deal | $807 or less |
Good one-way deal | $841 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 February 26, 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
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 3/24
4:50 pm-12:50 pm
1 stop27h 00m
San Francisco
Tue 3/31
3:05 pm-10:25 pm
1 stop23h 20m
$730
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 4/13
11:55 am-12:27 am
2 stops20h 32m
San Francisco
Mon 4/20
3:05 pm-2:55 pm
1 stop15h 50m
$733
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 3/24
5:30 am-4:04 pm
2 stops17h 34m
San Francisco
Tue 3/31
3:05 pm-2:55 pm
1 stop15h 50m
$740
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 3/24
12:20 pm-9:10 pm
1 stop15h 50m
San Francisco
Tue 3/31
6:33 am-10:30 am
2 stops19h 57m
$757
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 3/31
10:25 am-8:34 pm
1 stop18h 09m
San Francisco
Mon 4/6
9:05 pm-10:45 pm
1 stop17h 40m
$759
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 4/6
9:50 am-11:57 pm
2 stops22h 07m
San Francisco
Sun 4/12
6:20 am-11:15 am
2 stops20h 55m
$801
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 4/10
5:55 am-4:15 pm
1 stop18h 20m
San Francisco
Fri 4/17
9:05 pm-10:45 pm
1 stop17h 40m
$807
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 3/30
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Thu 4/9
1:45 pm-10:50 pm
1 stop25h 05m
$814
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sun 4/12
12:20 pm-7:33 am
2 stops27h 13m
San Francisco
Wed 9/16
10:35 pm-10:30 am
1 stop27h 55m
$860
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 7/13
9:50 am-11:12 pm
2 stops21h 22m
San Francisco
Mon 7/27
6:00 am-11:15 am
2 stops21h 15m
$881
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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?
Use this chart to determine the optimal time to book a round-trip flight from Lisbon to San Francisco. Price data was last updated on February 20, 2026.
To ensure you get the cheapest price possible for a flight from Lisbon to San Francisco, you should look to book at least 39 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, May is the cheapest month in which you can book a flight from Lisbon to San Francisco (average of $559). Flying from Lisbon to San Francisco in March is currently the most expensive (average of $693). 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 February 26, 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 12% of weekly flights between Lisbon and San Francisco have experienced delays in the past year, with the average delay time being 119 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 Saturday 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 12% 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 February 26, 2026.
Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
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
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Watsonville
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Daly City
Sunnyvale
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San Carlos
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Rancho Cordova
San Lorenzo
Davis
Hollister
Manteca
Union City
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Lisbon and San Francisco flights
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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 February 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$604 | Average$873 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$629 | Average$766 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$642 | Average$725 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$657 | Average$829 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$708 | Average$857 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$752 | Average$844 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$764 | Average$915 | FlexibilityNo cancel fee | On-time69% |