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$281+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
feb. 23 — mar. 21
lun. 2/23
lun. 3/2
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to San Francisco are usually found in February or January, booked 87 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Lisbon to San Francisco

Cheapest flights from Lisbon to San Francisco
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 enero 24, 2026.

This LEVEL deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/159:15 pm
LIS
-
SFO
1 stop28h 40m
LEVEL
mar. 4/217:40 pm
SFO
-
LIS
1 stop16h 55m
LEVEL
Deal found 1/22$483
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
mié. 4/159:15 pm
LIS
-
SFO
1 stop28h 40m
Multiple Airlines
mar. 4/217:40 pm
SFO
-
LIS
1 stop37h 30m
Multiple Airlines
Deal found 1/21$493
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
jue. 4/168:05 am
LIS
-
SFO
1 stop17h 50m
Multiple Airlines
mar. 4/217:40 pm
SFO
-
LIS
1 stop37h 30m
Multiple Airlines
Deal found 1/21$499
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
mié. 4/159:15 pm
LIS
-
SFO
1 stop28h 40m
Multiple Airlines
dom. 4/197:40 pm
SFO
-
LIS
1 stop17h 00m
Multiple Airlines
Deal found 1/21$503
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
jue. 4/168:05 am
LIS
-
SFO
1 stop17h 50m
Multiple Airlines
dom. 4/197:40 pm
SFO
-
LIS
1 stop17h 00m
Multiple Airlines
Deal found 1/21$509
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/139:20 pm
LIS
-
SFO
1 stop28h 35m
Multiple Airlines
dom. 4/197:40 pm
SFO
-
LIS
1 stop17h 00m
Multiple Airlines
Deal found 1/24$512
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/227:10 pm
LIS
-
SFO
1 stop30h 45m
Multiple Airlines
mar. 4/287:40 pm
SFO
-
LIS
1 stop15h 25m
Multiple Airlines
Deal found 1/24$518
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
jue. 4/169:10 am
LIS
-
SFO
1 stop16h 45m
Multiple Airlines
lun. 4/207:35 pm
SFO
-
LIS
1 stop19h 50m
Multiple Airlines
Deal found 1/21$519
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/139:20 pm
LIS
-
SFO
1 stop28h 35m
Multiple Airlines
jue. 4/237:40 pm
SFO
-
LIS
1 stop20h 00m
Multiple Airlines
Deal found 1/24$522
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/157:10 pm
LIS
-
SFO
1 stop30h 45m
Multiple Airlines
jue. 4/237:40 pm
SFO
-
LIS
1 stop20h 00m
Multiple Airlines
Deal found 1/24$523

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 enero 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$483
(LEVEL)

One-way from

$281
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$744

Good round-trip deal

$852 or less

Good one-way deal

$843 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-San Francisco flights.
Search Deals
From Lisbon Humberto Delgado to San Francisco
Search Deals
One-way flight from Lisbon Humberto Delgado to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Lisbon Humberto Delgado to San Francisco.
Search Deals
Price to beat on a one-way flight from Lisbon Humberto Delgado to San Francisco.
Search Deals

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 enero 24, 2026.
Use the filters below to find and compare flights from Lisbon to San Francisco that are best for you.

Fly from

Lisbon

Fly to

San Francisco

Route

Depart

Return

Price

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

dom. 3/1

5:00 am-3:55 pm

1 stop18h 55m

San Francisco

lun. 4/27

8:45 am-8:20 am

1 stop15h 35m

$552

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

mié. 5/6

5:05 am-3:22 pm

2 stops18h 17m

San Francisco

lun. 5/11

5:00 am-10:30 am

2 stops21h 30m

$552

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

sáb. 2/28

5:00 am-3:55 pm

1 stop18h 55m

San Francisco

lun. 4/27

8:45 am-8:20 am

1 stop15h 35m

$552

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

dom. 3/1

5:00 am-3:55 pm

1 stop18h 55m

San Francisco

dom. 4/26

9:05 pm-10:45 pm

1 stop17h 40m

$555

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

dom. 3/1

12:15 pm-8:10 pm

1 stop15h 55m

San Francisco

sáb. 4/25

9:05 pm-10:45 pm

1 stop17h 40m

$555

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

jue. 3/5

5:00 am-3:55 pm

1 stop18h 55m

San Francisco

sáb. 4/25

9:05 pm-10:45 pm

1 stop17h 40m

$555

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

sáb. 2/28

5:00 am-8:10 pm

1 stop23h 10m

San Francisco

jue. 4/23

9:05 pm-10:45 pm

1 stop17h 40m

$555

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

dom. 3/1

5:00 am-3:55 pm

1 stop18h 55m

San Francisco

mié. 4/22

9:05 pm-10:45 pm

1 stop17h 40m

$555

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

mié. 3/4

5:00 am-8:10 pm

1 stop23h 10m

San Francisco

mar. 4/28

9:05 pm-10:45 pm

1 stop17h 40m

$555

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

mar. 3/3

12:20 pm-8:10 pm

1 stop15h 50m

San Francisco

jue. 4/23

9:05 pm-10:45 pm

1 stop17h 40m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 23 results
1
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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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 Expedia the most. Expedia 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.
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

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 January 23, 2026.

To ensure you get the cheapest price possible for a flight from Lisbon to San Francisco, you should look to book at least 87 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 $565). Flying from Lisbon to San Francisco in August is currently the most expensive (average of $679). 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 enero 24, 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.

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
Ramsey Qubein

Ramsey Qubein

Expert on LIS

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

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 enero 24, 2026.
Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,112 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,525 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,200 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
TAP AIR PORTUGAL
7.1
Good
2,130 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.7
Okay
7,699 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • How popular is this Lisbon to San Francisco flight route?

    Flights from Lisbon Humberto Delgado to San Francisco have been viewed 1 times in the past calendar month.

  • How long is the flight from Lisbon to San Francisco?

    For as low as $552, United Airlines can have you in San Francisco from Lisbon in 18h 55m. Airlines will cover a distance of 5664 mi.

  • What are the cheapest airlines flying from Lisbon to San Francisco round-trip?

    Our cheapest airline available from Lisbon to San Francisco is British Airways. Our recent data shows that you can find tickets from as low as $576 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Delta, starting at $604 and $629 round-trip. You may be able to fly from Lisbon to San Francisco for 29% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Lisbon to San Francisco one-way?

    $335 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Iberia and LEVEL, with prices starting from $338 and $344, respectively.

  • What are the most reliable airlines from Lisbon to San Francisco?

    The top 3 most reliable airlines when flying from Lisbon to San Francisco are Etihad Airways (76%), JetBlue (76%) and TAP AIR PORTUGAL (76%).

  • What are the cheapest flights from Lisbon to San Francisco?

    The cheapest flight price from Lisbon to San Francisco is $647. On average you can expect to pay $1,480. The most popular route, (Lisbon Humberto Delgado - San Francisco), can usually be booked for $543.

  • Where are the most common layover locations when flying from Lisbon to San Francisco?

    The most popular layover on flights from Lisbon to San Francisco is Philadelphia.

  • What are some popular things to do or see while on a layover in Philadelphia?

    Philadelphia travelers tend to visit Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park more than anywhere else. Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park can be accessed by traveling approximately 6.1 mi, 5.7 mi, and 4.3 mi, respectively from Philadelphia. Those looking to explore during their layover in Philadelphia can rent a car from Philadelphia for about $54 per day.

  • Where are the least popular layover locations for Lisbon to San Francisco flights?

    Lisbon to San Francisco flights that have layovers will least frequently stop in London.

  • Can I find deals for flights from Lisbon to San Francisco that include hotel bookings?

    Yes. In addition to deals on Lisbon to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to San Francisco.

  • Can I find deals for business class flights from Lisbon to San Francisco?

    Yes. Cheapflights offers flight deals from Lisbon to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $565). Flying from Lisbon to San Francisco in August is currently the most expensive (average of $679). 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.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Vacaville
Turlock
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 enero 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$576Average$716FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$604Average$873FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$629Average$766FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$657Average$829FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$693Average$844FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$708Average$900FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$764Average$918FlexibilityNo cancel feeOn-time69%

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