$404+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
May 3 — May 101
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 Friday 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 April 3, 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 April 3, 2026.
This deal was found by Cheapflights users on 4/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Thu 5/284:35 pm
SFO
- LIS
1 stop17h 35m
British Airways
Deal found 4/3![British Airways logo]()
$710
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Sat 5/94:35 pm
SFO
- LIS
1 stop17h 30m
British Airways
Deal found 4/2![British Airways logo]()
$721
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Thu 5/74:35 pm
SFO
- LIS
1 stop17h 35m
British Airways
Deal found 4/2![British Airways logo]()
$722
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Fri 5/221:55 pm
LIS
- SFO
2 stops31h 20m
Multiple Airlines
Tue 5/263:15 pm
SFO
- LIS
2 stops24h 05m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$735
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Tue 5/54:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$736
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Thu 5/74:35 pm
SFO
- LIS
1 stop17h 35m
British Airways
Deal found 4/2![British Airways logo]()
$737
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Sat 5/94:35 pm
SFO
- LIS
1 stop17h 30m
British Airways
Deal found 4/2![British Airways logo]()
$738
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Mon 5/114:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$739
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:20 am
LIS
- SFO
1 stop18h 10m
British Airways
Mon 5/114:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$740
This Iberia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:10 am
LIS
- SFO
1 stop16h 45m
Multiple Airlines
Fri 5/84:35 pm
SFO
- LIS
1 stop22h 35m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$741
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:20 am
LIS
- SFO
1 stop18h 10m
British Airways
Wed 5/64:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$742
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Mon 5/114:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$745
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 April 3, 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 April 3, 2026.
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:05 am
LIS
- SFO
1 stop15h 35m
United Airlines
Wed 9/301:10 pm
SFO
- LIS
1 stop13h 20m
United Airlines
Deal found 3/29![United Airlines logo]()
$771
This Delta deal was found by Cheapflights users on 3/31. 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 4/235:00 am
LIS
- SFO
1 stop14h 45m
Delta
Thu 5/79:30 am
SFO
- LIS
2 stops21h 25m
Delta
Deal found 3/31![Delta logo]()
$792
This KLM deal was found by Cheapflights users on 4/1. 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 4/287:45 pm
LIS
- SFO
1 stop24h 00m
Multiple Airlines
Tue 5/53:05 pm
SFO
- LIS
1 stop15h 50m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:00 am
LIS
- SFO
1 stop14h 45m
Delta
Wed 5/62:57 pm
SFO
- LIS
2 stops18h 53m
Delta
Deal found 3/30![Delta logo]()
$793
This KLM deal was found by Cheapflights users on 4/1. 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.
Sat 5/25:00 am
LIS
- SFO
1 stop14h 45m
Multiple Airlines
Sun 5/108:10 pm
SFO
- LIS
1 stop18h 15m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:00 am
LIS
- SFO
1 stop14h 45m
Delta
Sat 5/301:35 pm
SFO
- LIS
2 stops20h 15m
Delta
Deal found 3/30![Delta logo]()
$793
This KLM deal was found by Cheapflights users on 4/3. 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 5/185:00 am
LIS
- SFO
1 stop14h 45m
Multiple Airlines
Mon 5/258:10 pm
SFO
- LIS
1 stop18h 15m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$794
This Delta deal was found by Cheapflights users on 4/1. 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 4/285:00 am
LIS
- SFO
2 stops22h 20m
Delta
Tue 5/53:05 pm
SFO
- LIS
1 stop15h 50m
Delta
Deal found 4/1![Delta logo]()
$798
This Delta deal was found by Cheapflights users on 3/31. 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 5/65:00 am
LIS
- SFO
2 stops21h 59m
Delta
Wed 5/1310:29 am
SFO
- LIS
2 stops20h 06m
Delta
Deal found 3/31![Delta logo]()
$802
Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated April 3, 2026 and is based on user searches.
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Tue 5/54:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$736
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Sat 5/94:35 pm
SFO
- LIS
1 stop17h 30m
British Airways
Deal found 4/2![British Airways logo]()
$738
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Mon 5/114:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$739
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Thu 5/74:35 pm
SFO
- LIS
1 stop17h 35m
British Airways
Deal found 4/2![British Airways logo]()
$737
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:20 am
LIS
- SFO
1 stop18h 10m
British Airways
Mon 5/114:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$740
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:20 am
LIS
- SFO
1 stop18h 10m
British Airways
Wed 5/64:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$742
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Sat 5/94:35 pm
SFO
- LIS
1 stop17h 30m
British Airways
Deal found 4/2![British Airways logo]()
$721
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Thu 5/74:35 pm
SFO
- LIS
1 stop17h 35m
British Airways
Deal found 4/2![British Airways logo]()
$722
This Iberia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:10 am
LIS
- SFO
1 stop16h 45m
Multiple Airlines
Fri 5/84:35 pm
SFO
- LIS
1 stop22h 35m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$741
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Mon 5/114:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 4/2![British Airways logo]()
$745
This deal was found by Cheapflights users on 4/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Thu 5/284:35 pm
SFO
- LIS
1 stop17h 35m
British Airways
Deal found 4/3![British Airways logo]()
$710
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Fri 5/221:55 pm
LIS
- SFO
2 stops31h 20m
Multiple Airlines
Tue 5/263:15 pm
SFO
- LIS
2 stops24h 05m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$735
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 April 3, 2026.
Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:40 am
LIS
- SFO
1 stop36h 10m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$404
This LEVEL deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL 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
LEVEL
Deal found 3/29![LEVEL logo]()
$409
This Iberia deal was found by Cheapflights users on 3/31. 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 4/159:15 pm
LIS
- SFO
1 stop28h 40m
Iberia
Deal found 3/31![Iberia logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/128:35 pm
LIS
- SFO
2 stops33h 20m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:45 pm
LIS
- SFO
2 stops27h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:20 pm
LIS
- SFO
2 stops32h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$449
This Trip.com deal was found by Cheapflights users on 4/1. 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.
Thu 5/287:00 am
LIS
- SFO
2 stops45h 50m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 6/156:25 pm
LIS
- SFO
1 stop27h 25m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$455
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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $710 |
One-way from | $404 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $778 |
Good one-way deal | $847 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 April 3, 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
Quickest round-trip
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 9/9
5:05 am-12:40 pm
1 stop15h 35m
San Francisco
Wed 9/30
1:10 pm-10:30 am
1 stop13h 20m
$771
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 4/23
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Thu 5/7
9:30 am-2:55 pm
2 stops21h 25m
$792
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 4/28
7:45 pm-11:45 am
1 stop24h 00m
San Francisco
Tue 5/5
3:05 pm-2:55 pm
1 stop15h 50m
$792
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 4/20
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Wed 5/6
2:57 pm-5:50 pm
2 stops18h 53m
$793
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sat 5/2
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Sun 5/10
8:10 pm-10:25 pm
1 stop18h 15m
$793
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 5/21
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Sat 5/30
1:35 pm-5:50 pm
2 stops20h 15m
$793
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 5/18
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Mon 5/25
8:10 pm-10:25 pm
1 stop18h 15m
$794
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 4/28
5:00 am-7:20 pm
2 stops22h 20m
San Francisco
Tue 5/5
3:05 pm-2:55 pm
1 stop15h 50m
$798
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 5/6
5:00 am-6:59 pm
2 stops21h 59m
San Francisco
Wed 5/13
10:29 am-2:35 pm
2 stops20h 06m
$802
Cheapest one-way
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Wed 4/15
9:15 pm-5:55 pm
1 stop28h 40m
$409
Showing 1-10 of 16 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 April.
| 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 April 2, 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 April 3, 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 13% 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 Wednesday 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 13% 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 April 3, 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.
Comfort
7.9
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Food
7.2
Boarding
8.1
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 Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Sunnyvale
Vacaville
San Carlos
Redwood City
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove
Foster City
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Lisbon and San Francisco flights
Browse other Lisbon and San Francisco flight options. Last updated on April 3, 2026.
Other flights from Lisbon
Browse through other flights departing from Lisbon. Flights are based on user searches made on Cheapflights and were last updated on April 3, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 3, 2026.
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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$604 | Average$873 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$625 | Average$763 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$642 | Average$802 | 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$902 | FlexibilityNo cancel fee | On-time69% |