$476+ Cheap flights from San Francisco (SFO) to Lisbon (LIS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Lisbon 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 San Francisco to Lisbon Humberto Delgado are usually found in February or January, booked 13 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Cheap flight deals from San Francisco to Lisbon
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to LisbonExplore the most affordable flight options available from San Francisco to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from San Francisco to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Tue 10/64:45 pm -
1 stop18h 40m
Wed 10/218:15 pm -
1 stop26h 25m
Deal found 9/8![Scandinavian Airlines logo]()
$693
This Delta deal was found by Cheapflights users on 9/9. 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 10/61:50 pm -
2 stops20h 00m
Tue 10/205:00 am -
2 stops20h 05m
Deal found 9/9![Delta logo]()
$697
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 11/219:58 pm -
1 stop26h 57m
Sat 12/511:15 am -
1 stop20h 25m
Deal found 9/10![Delta logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 9/309:05 pm -
1 stop17h 40m
Tue 10/135:05 am -
2 stops20h 37m
Deal found 9/10![United Airlines logo]()
$699
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
2 stops20h 35m
Wed 12/22:20 pm -
1 stop37h 15m
Deal found 9/10![Lufthansa logo]()
$702
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:10 pm -
2 stops25h 15m
Wed 10/145:55 am -
1 stop18h 20m
Deal found 9/10![SWISS logo]()
$703
This Justfly.com deal was found by Cheapflights users on 9/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:25 am -
1 stop16h 30m
Sat 1/911:20 am -
1 stop18h 10m
Deal found 9/10![Air Canada logo]()
$704
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:25 am -
1 stop17h 15m
Fri 11/63:35 pm -
1 stop32h 55m
Deal found 9/9![Multiple Airlines logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/29:05 pm -
1 stop17h 40m
Tue 10/136:25 pm -
1 stop29h 50m
Deal found 9/9![Multiple Airlines logo]()
$706
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:25 am -
2 stops18h 15m
Mon 11/3011:20 am -
1 stop18h 10m
Deal found 9/9![Air Canada logo]()
$707
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:30 pm -
1 stop19h 30m
Thu 10/2211:05 am -
2 stops21h 25m
Deal found 9/8![British Airways logo]()
$708
This Delta deal was found by Cheapflights users on 9/9. 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 9/301:20 pm -
2 stops21h 25m
Wed 10/75:35 am -
2 stops22h 31m
Deal found 9/9![Delta logo]()
$709
Best flights from San Francisco to LisbonDiscover carefully curated flight deals from San Francisco to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from San Francisco to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 10/511:58 am -
2 stops21h 52m
Tue 10/209:50 am -
2 stops22h 06m
Deal found 9/9![Delta logo]()
$697
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/296:35 am -
2 stops18h 35m
Mon 11/25:00 am -
2 stops20h 50m
Deal found 9/9![United Airlines logo]()
$714
This Finnair deal was found by Cheapflights users on 9/9. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/411:24 am -
2 stops40h 41m
Thu 4/86:35 am -
2 stops25h 24m
Deal found 9/9![Finnair logo]()
$769
This Delta deal was found by Cheapflights users on 9/9. 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 10/61:50 pm -
2 stops20h 00m
Tue 10/205:00 am -
2 stops20h 05m
Deal found 9/9![Delta logo]()
$697
This United Airlines deal was found by Cheapflights users on 9/8. 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 11/118:25 am -
1 stop14h 30m
Thu 11/265:00 am -
1 stop19h 05m
Deal found 9/8![United Airlines logo]()
$743
This Delta deal was found by Cheapflights users on 9/9. 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 9/301:20 pm -
2 stops21h 25m
Wed 10/75:00 am -
1 stop14h 45m
Deal found 9/9![Delta logo]()
$699
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 12/78:25 am -
1 stop18h 15m
Fri 12/115:00 am -
1 stop23h 10m
Deal found 9/6![United Airlines logo]()
$756
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:20 pm -
1 stop14h 25m
Mon 10/125:35 am -
2 stops22h 43m
Deal found 9/8![Delta logo]()
$738
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/3010:50 am -
1 stop16h 30m
Fri 11/65:00 am -
1 stop23h 10m
Deal found 9/8![United Airlines logo]()
$794
This Delta deal was found by Cheapflights users on 9/5. 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 10/261:20 pm -
2 stops18h 50m
Wed 11/45:00 am -
1 stop14h 45m
Deal found 9/5![Delta logo]()
$750
This Delta deal was found by Cheapflights users on 9/7. 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 12/157:00 am -
2 stops20h 25m
Tue 12/225:30 am -
2 stops22h 20m
Deal found 9/7![Delta logo]()
$794
This Delta deal was found by Cheapflights users on 9/6. 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 11/176:00 am -
2 stops21h 25m
Mon 11/3011:30 am -
1 stop32h 15m
Deal found 9/6![Delta logo]()
$797
Last-minute flights from San Francisco to LisbonDiscover last-minute flight deals from San Francisco to Lisbon. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Lisbon. Data last updated September 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 9/221:45 pm -
1 stop21h 00m
Tue 9/295:00 am -
2 stops21h 17m
Deal found 9/10![Delta logo]()
$704
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:10 pm -
2 stops25h 15m
Wed 10/145:55 am -
1 stop18h 20m
Deal found 9/10![SWISS logo]()
$703
This Air France deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:10 pm -
1 stop18h 15m
Tue 10/139:20 am -
2 stops18h 58m
Deal found 9/9![Multiple Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 9/309:05 pm -
1 stop17h 40m
Tue 10/135:05 am -
2 stops20h 37m
Deal found 9/10![United Airlines logo]()
$699
This Delta deal was found by Cheapflights users on 9/9. 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 9/301:20 pm -
2 stops21h 25m
Wed 10/75:35 am -
2 stops22h 31m
Deal found 9/9![Delta logo]()
$709
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/29:05 pm -
1 stop17h 40m
Tue 10/136:25 pm -
1 stop29h 50m
Deal found 9/9![Multiple Airlines logo]()
$706
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Tue 10/64:45 pm -
1 stop18h 40m
Wed 10/218:15 pm -
1 stop26h 25m
Deal found 9/8![Scandinavian Airlines logo]()
$693
This Delta deal was found by Cheapflights users on 9/9. 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 10/61:50 pm -
2 stops20h 00m
Tue 10/205:00 am -
2 stops20h 05m
Deal found 9/9![Delta logo]()
$697
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:30 pm -
1 stop19h 30m
Thu 10/2211:05 am -
2 stops21h 25m
Deal found 9/8![British Airways logo]()
$708
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:40 pm -
2 stops19h 10m
Fri 10/3010:55 am -
1 stop17h 28m
Deal found 9/8![Delta logo]()
$711
This oojo deal was found by Cheapflights users on 9/5. 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.
Mon 10/265:45 pm -
1 stop15h 20m
Wed 11/44:55 pm -
1 stop29h 55m
Deal found 9/5![Scandinavian Airlines logo]()
$712
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:25 am -
1 stop17h 15m
Fri 11/63:35 pm -
1 stop32h 55m
Deal found 9/9![Multiple Airlines logo]()
$705
One-way flights from San Francisco to LisbonSearch for one-way flight options from San Francisco to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from San Francisco to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Transavia Smart Connect deal was found by Cheapflights users on 9/5. 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 9/248:30 pm -
1 stop36h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/281:20 pm -
3 stops23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/231:00 pm -
3 stops26h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/151:20 pm -
2 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Porter Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/185:20 pm -
1 stop18h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$481
This Justfly.com deal was found by Cheapflights users on 9/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am -
2 stops31h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Aer Lingus logo]()
$482
This Cheapflightsfares deal was found by Cheapflights users on 9/7. 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 10/307:10 am -
2 stops20h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Aer Lingus logo]()
$486
This Transavia Smart Connect deal was found by Cheapflights users on 9/9. 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 10/18:30 pm -
1 stop36h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/196:00 am -
2 stops19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$492
Find flight deals from San Francisco to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Lisbon (LIS). 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $693 (Cheapflightsfares) |
One-way from | $476 (Transavia Smart Connect) |
Popular in | June |
Cheapest in | February |
Average price | $980 |
Good round-trip deal | $725 or less |
Good one-way deal | $509 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Lisbon 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 September 10, 2026.
Use the filters below to find and compare flights from San Francisco to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Thu 9/24
8:30 pm-5:00 pm
1 stop36h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$476
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Thu 10/1
8:30 pm-5:00 pm
1 stop36h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$488
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Thu 12/24
2:45 pm-9:20 pm
2 stops22h 35m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$508
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Fri 10/30
7:00 am-8:10 am
2 stops18h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$513
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Thu 10/8
1:20 pm-7:15 pm
3 stops21h 55m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$568
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Wed 9/30
4:30 pm-6:45 pm
2 stops18h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$577
Quickest round-trip
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Wed 10/21
4:35 pm-11:50 am
Nonstop11h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$606
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Tue 10/13
4:20 pm-11:35 am
Nonstop11h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$606
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Tue 10/20
4:20 pm-11:35 am
Nonstop11h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$606
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Wed 9/30
6:35 am-10:55 am
2 stops20h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$610
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Lisbon
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 San Francisco to Lisbon in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| 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*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Francisco-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Lisbon 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 San Francisco-Lisbon 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 San Francisco to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from San Francisco with our price prediction graph.
SFO-LIS
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 San Francisco to Lisbon
Prices
Delays
How far ahead should I book a flight from San Francisco to Lisbon?
The price you pay for your flight from San Francisco to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 12 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to Lisbon?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of $615). Flying from San Francisco to Lisbon in June is currently the most expensive (average of $1,253). 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 SFO to LIS?
Find hourly flight availability from San Francisco to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Lisbon as you normally would.
How often are flights from San Francisco to Lisbon delayed?
About 13% of weekly flights between San Francisco and Lisbon have experienced delays in the past year, with the average delay time being 141 minutes.
What is the most punctual flight time for San Francisco to Lisbon flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday 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 San Francisco to Lisbon flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 13% of flights being delayed.
The best insider tips for San Francisco to Lisbon 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 San Francisco to Lisbon trip
Our travel experts
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated September 10, 2026.
Read through reviews of airlines operating flights from San Francisco to Lisbon, such as Delta,United Airlines, andTAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Lisbon. 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 Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Torres Vedras
Beja
Nazaré
Colares
Sesimbra
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Explore flights to Lisbon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
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Browse other San Francisco and Lisbon flight options. Last updated on September 10, 2026.
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Top 10 airlines flying from San Francisco to Lisbon
Discover the top 10 airlines that operate flights from San Francisco to Lisbon. 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$655 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$447 | Average$717 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$484 | Average$676 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$486 | Average$731 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$493 | Average$744 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$495 | Average$768 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$505 | Average$917 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$505 | Average$884 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$510 | Average$787 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$531 | Average$1,068 | FlexibilityNo cancel fee | On-time71% |