$568+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
Apr 14 — Apr 211
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 April, booked 39 days in advance, depart on a Wednesday 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 March 15, 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 March 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 5/169:15 pm
LIS
- SFO
1 stop28h 40m
Multiple Airlines
Sun 5/317:40 pm
SFO
- LIS
1 stop17h 00m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$568
This Iberia deal was found by Cheapflights users on 3/11. 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 5/139:15 pm
LIS
- SFO
1 stop28h 40m
Iberia
Sun 5/317:40 pm
SFO
- LIS
1 stop17h 00m
Iberia
Deal found 3/11![Iberia logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 5/177:20 am
LIS
- SFO
1 stop18h 35m
Multiple Airlines
Sun 5/317:40 pm
SFO
- LIS
1 stop17h 00m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$616
This Iberia deal was found by Cheapflights users on 3/11. 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 5/149:10 am
LIS
- SFO
1 stop16h 45m
Iberia
Sun 5/317:40 pm
SFO
- LIS
1 stop17h 00m
Iberia
Deal found 3/11![Iberia logo]()
$632
This Iberia deal was found by Cheapflights users on 3/11. 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.
Tue 5/129:15 pm
LIS
- SFO
2 stops32h 45m
Iberia
Sun 5/317:40 pm
SFO
- LIS
1 stop17h 00m
Iberia
Deal found 3/11![Iberia logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/167:40 am
LIS
- SFO
1 stop18h 15m
Multiple Airlines
Thu 4/307:40 pm
SFO
- LIS
1 stop17h 50m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$682
This Iberia deal was found by Cheapflights users on 3/11. 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 5/119:20 pm
LIS
- SFO
2 stops34h 39m
Iberia
Sun 5/317:40 pm
SFO
- LIS
1 stop17h 00m
Iberia
Deal found 3/11![Iberia logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/97:40 am
LIS
- SFO
1 stop18h 15m
Multiple Airlines
Thu 4/237:40 pm
SFO
- LIS
2 stops34h 45m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$691
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:15 pm
LIS
- SFO
1 stop28h 40m
Multiple Airlines
Sun 4/197:40 pm
SFO
- LIS
1 stop15h 15m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/137:35 pm
LIS
- SFO
1 stop30h 20m
Multiple Airlines
Sun 4/197:40 pm
SFO
- LIS
1 stop15h 15m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$698
This Travelis deal was found by Cheapflights users on 3/13. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:25 am
LIS
- SFO
1 stop16h 00m
Lufthansa
Thu 4/167:00 am
SFO
- LIS
1 stop17h 20m
Lufthansa
Deal found 3/13![Lufthansa logo]()
$709
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 March 15, 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 March 15, 2026.
This KLM deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:00 am
LIS
- SFO
1 stop14h 45m
KLM
Thu 4/231:45 pm
SFO
- LIS
1 stop25h 05m
KLM
Deal found 3/10![KLM logo]()
$721
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Thu 4/167:25 am
LIS
- SFO
1 stop16h 00m
United Airlines
Mon 4/209:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Deal found 3/10![United Airlines logo]()
$752
This Delta deal was found by Cheapflights users on 3/10. 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 4/95:00 am
LIS
- SFO
2 stops19h 04m
Delta
Thu 4/231:45 pm
SFO
- LIS
1 stop21h 00m
Delta
Deal found 3/10![Delta logo]()
$761
This SWISS deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:55 am
LIS
- SFO
1 stop18h 20m
SWISS
Thu 4/237:35 pm
SFO
- LIS
1 stop35h 10m
SWISS
Deal found 3/14![SWISS logo]()
$790
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 5/217:25 am
LIS
- SFO
1 stop20h 25m
United Airlines
Sat 5/301:35 pm
SFO
- LIS
1 stop13h 25m
United Airlines
Deal found 3/12![United Airlines logo]()
$756
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:00 am
LIS
- SFO
1 stop14h 45m
Delta
Wed 5/67:05 am
SFO
- LIS
2 stops17h 45m
Delta
Deal found 3/15![Delta logo]()
$798
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 4/247:25 am
LIS
- SFO
1 stop20h 35m
United Airlines
Sat 5/211:05 pm
SFO
- LIS
1 stop27h 25m
United Airlines
Deal found 3/12![United Airlines logo]()
$767
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:00 am
LIS
- SFO
2 stops20h 21m
Delta
Thu 5/79:30 am
SFO
- LIS
2 stops21h 25m
Delta
Deal found 3/14![Delta logo]()
$807
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:25 am
LIS
- SFO
1 stop16h 00m
United Airlines
Sat 4/1811:05 pm
SFO
- LIS
1 stop25h 15m
United Airlines
Deal found 3/14![United Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 3/12. 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 8/2612:20 pm
LIS
- SFO
2 stops18h 36m
United Airlines
Wed 9/168:50 am
SFO
- LIS
2 stops17h 40m
United Airlines
Deal found 3/12![United Airlines logo]()
$779
Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated March 15, 2026 and is based on user searches.
This Travelis deal was found by Cheapflights users on 3/13. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:25 am
LIS
- SFO
1 stop16h 00m
Lufthansa
Thu 4/167:00 am
SFO
- LIS
1 stop17h 20m
Lufthansa
Deal found 3/13![Lufthansa logo]()
$709
This Travelis deal was found by Cheapflights users on 3/13. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:00 pm
LIS
- SFO
Nonstop12h 35m
TAP AIR PORTUGAL
Thu 4/167:55 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Deal found 3/13![TAP AIR PORTUGAL logo]()
$733
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/97:40 am
LIS
- SFO
1 stop18h 15m
Multiple Airlines
Thu 4/237:40 pm
SFO
- LIS
2 stops34h 45m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$691
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/137:35 pm
LIS
- SFO
1 stop30h 20m
Multiple Airlines
Sun 4/197:40 pm
SFO
- LIS
1 stop15h 15m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$698
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:15 pm
LIS
- SFO
1 stop28h 40m
Multiple Airlines
Sun 4/197:40 pm
SFO
- LIS
1 stop15h 15m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/167:40 am
LIS
- SFO
1 stop18h 15m
Multiple Airlines
Thu 4/307:40 pm
SFO
- LIS
1 stop17h 50m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$682
This Iberia deal was found by Cheapflights users on 3/12. 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.
Sun 4/269:10 am
LIS
- SFO
1 stop16h 45m
Iberia
Sun 5/37:40 pm
SFO
- LIS
1 stop16h 55m
Iberia
Deal found 3/12![Iberia logo]()
$739
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:05 am
LIS
- SFO
1 stop15h 35m
Lufthansa
Wed 5/67:15 pm
SFO
- LIS
1 stop19h 00m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$740
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 March 15, 2026.
Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 3/206:20 am
LIS
- SFO
2 stops21h 50m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$601
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:25 am
LIS
- SFO
2 stops19h 25m
American Airlines
Deal found 3/15![American Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 7/16:35 am
LIS
- SFO
2 stops37h 45m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$603
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2110:15 pm
LIS
- SFO
1 stop25h 35m
American Airlines
Deal found 3/11![American Airlines logo]()
$604
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 7/97:20 am
LIS
- SFO
2 stops25h 38m
American Airlines
Deal found 3/11![American Airlines logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 8/78:25 am
LIS
- SFO
3 stops35h 35m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/28:55 pm
LIS
- SFO
2 stops31h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Tue 6/3011:35 am
LIS
- SFO
3 stops37h 05m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$609
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Fri 7/248:25 am
LIS
- SFO
3 stops35h 35m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$611
This French Bee deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:30 am
LIS
- SFO
1 stop22h 20m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$612
This oojo deal was found by Cheapflights users on 3/11. 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 6/217:25 pm
LIS
- SFO
2 stops45h 46m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$613
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 March 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $568 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $873 |
Good one-way deal | $854 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 March 15, 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 4/9
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Thu 4/23
1:45 pm-10:50 pm
1 stop25h 05m
$721
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 4/16
7:25 am-3:25 pm
1 stop16h 00m
San Francisco
Mon 4/20
9:05 pm-10:45 pm
1 stop17h 40m
$752
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 5/21
7:25 am-7:50 pm
1 stop20h 25m
San Francisco
Sat 5/30
1:35 pm-11:00 am
1 stop13h 25m
$756
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 4/9
5:00 am-4:04 pm
2 stops19h 04m
San Francisco
Thu 4/23
1:45 pm-6:45 pm
1 stop21h 00m
$761
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 4/24
7:25 am-8:00 pm
1 stop20h 35m
San Francisco
Sat 5/2
11:05 pm-10:30 am
1 stop27h 25m
$767
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 4/2
7:25 am-3:25 pm
1 stop16h 00m
San Francisco
Sat 4/18
11:05 pm-8:20 am
1 stop25h 15m
$767
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 8/26
12:20 pm-10:56 pm
2 stops18h 36m
San Francisco
Wed 9/16
8:50 am-10:30 am
2 stops17h 40m
$779
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 4/9
5:55 am-4:15 pm
1 stop18h 20m
San Francisco
Thu 4/23
7:35 pm-2:45 pm
1 stop35h 10m
$790
Quickest round-trip
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 4/29
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Wed 5/6
7:05 am-8:50 am
2 stops17h 45m
$798
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 4/24
5:00 am-5:21 pm
2 stops20h 21m
San Francisco
Thu 5/7
9:30 am-2:55 pm
2 stops21h 25m
$807
Showing 1-10 of 22 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 March.
| 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 March 13, 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, February is the cheapest month in which you can book a flight from Lisbon to San Francisco (average of $572). Flying from Lisbon to San Francisco in March is currently the most expensive (average of $695). 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 March 15, 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 March 15, 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.
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
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
Livermore
Roseville
Watsonville
Rancho Cordova
San Bruno
San Ramon
Sunnyvale
Vacaville
San Carlos
Redwood City
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove
Rohnert Park
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 March 15, 2026.
Other flights from Lisbon
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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 March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$604 | Average$873 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$625 | Average$766 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$642 | Average$755 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$657 | Average$829 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$693 | Average$844 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$708 | Average$857 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$764 | Average$896 | FlexibilityNo cancel fee | On-time69% |