Which layover airport has the shortest travel time from Lisbon to San Francisco?

Flights connecting via Boston (BOS) have the shortest average one-way travel time: 16h 15m.

How many flights depart from Lisbon to San Francisco on average per day?

The number of flights available between Lisbon and San Francisco is 1 per day as of December 2025. The most frequent departure time is 9:00AM, with 100% of daily flights leaving at noon.

What airlines fly to San Francisco?

TAP AIR PORTUGAL, British Airways and Delta are the top three most popular airlines that fly to San Francisco from Lisbon according to our data. TAP AIR PORTUGAL is the first choice among our users, with 41% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

How often are flights from Lisbon to San Francisco delayed?

Historically, on average around 11% of flights between Lisbon and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

Which airline has the best punctuality record on Lisbon to San Francisco flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

What is the most punctual flight time for Lisbon to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Which airport is the most popular layover for flights between Lisbon and San Francisco?

Paris (CDG) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

How many flights depart from Lisbon to San Francisco on average per week?

The number of flights available between Lisbon and San Francisco is 9 per week as of December 2025. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

Which layover airport offers the lowest fares from Lisbon to San Francisco?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $570.

Which layover airport has the shortest connection time from Lisbon to San Francisco?

Boston (BOS) has the shortest average layover time for this route: 1h 48m.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to San Francisco Airport?

Prices for flights from Lisbon Humberto Delgado Airport to San Francisco Airport refresh daily.

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to San Francisco Airport?

There are 7 operators available for flights from Lisbon Humberto Delgado Airport to San Francisco Airport as of December 2025.

How old do you have to be to fly from Lisbon Humberto Delgado Airport to San Francisco Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lisbon Humberto Delgado Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$329 Cheap Flights from Lisbon to San Francisco in 2025/26

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8:20 am - 9:25 pm

LIS

SFO

21h 05m2 stops

7:00 am - 8:55 am

SFO

LIS

17h 55m2 stops

$668Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

6:40 pm - 1:50 pm

LIS

SFO

27h 10m1 stop

5:45 pm - 11:25 pm

SFO

LIS

21h 40m1 stop

$670Finnair

Thu, May 21 - Sat, May 30

10:55 am - 11:12 pm

LIS

SFO

20h 17m2 stops

7:00 am - 9:05 am

SFO

LIS

18h 05m2 stops

$671American Airlines

Thu, Jan 22 - Mon, Jan 26

7:05 am - 8:10 pm

LIS

SFO

21h 05m2 stops

12:10 pm - 2:50 pm

SFO

LIS

18h 40m2 stops

$673British Airways

Wed, Jan 21 - Wed, Feb 18

11:05 am - 10:50 pm

LIS

SFO

18h 45m1 stop

11:43 pm - 9:05 am

SFO

LIS

26h 22m1 stop

$674Multiple Airlines

Sun, Mar 8 - Fri, Mar 13

5:00 am - 11:45 am

LIS

SFO

14h 45m1 stop

6:05 am - 11:15 am

SFO

LIS

21h 10m2 stops

$675Delta

Thu, May 21 - Sat, May 30

7:05 pm - 5:55 pm

LIS

SFO

30h 50m2 stops

7:50 pm - 8:35 pm

SFO

LIS

16h 45m1 stop

$676Multiple Airlines

Mon, Apr 27 - Tue, Jul 28

11:05 am - 10:28 pm

LIS

SFO

19h 23m2 stops

11:50 pm - 8:55 am

SFO

LIS

26h 05m1 stop

$679American Airlines

Mon, Jan 12 - Sat, Mar 14

7:35 pm - 5:55 pm

LIS

SFO

30h 20m1 stop

7:50 pm - 8:35 pm

SFO

LIS

16h 45m1 stop

$681Multiple Airlines

Mon, Apr 27 - Sun, Aug 2

8:20 am - 7:47 pm

LIS

SFO

19h 27m2 stops

6:00 am - 9:05 am

SFO

LIS

20h 05m2 stops

$687American Airlines

Wed, Feb 25 - Wed, Mar 18

Finnair flights from Lisbon to San Francisco

Our best Finnair deals on Lisbon to San Francisco flight tickets

Finnair

May 21

LIS6:40 pmLisbon Humberto Delgado

27h 10m

1 stop

SFO1:50 pmSan Francisco

May 30

SFO5:45 pmSan Francisco

21h 40m

1 stop

LIS11:25 pmLisbon Humberto Delgado

$670

Find similar

Finnair

Jan 4

LIS3:55 pmLisbon Humberto Delgado

64h 52m

2 stops

SFO12:47 amSan Francisco

Jan 16

SFO1:00 pmSan Francisco

50h 25m

2 stops

LIS11:25 pmLisbon Humberto Delgado

$1,780

Find similar

Finnair

Jan 4

LIS3:55 pmLisbon Humberto Delgado

64h 52m

2 stops

SFO12:47 amSan Francisco

Jan 13

SFO11:17 amSan Francisco

44h 08m

2 stops

LIS3:25 pmLisbon Humberto Delgado

$1,791

Find similar

American Airlines flights from Lisbon to San Francisco

Our best American Airlines deals on Lisbon to San Francisco flight tickets

American Airlines

Jan 22

LIS10:55 amLisbon Humberto Delgado

20h 17m

2 stops

SFO11:12 pmSan Francisco

Jan 26

SFO7:00 amSan Francisco

18h 05m

2 stops

LIS9:05 amLisbon Humberto Delgado

$671

Find similar

American Airlines

Jan 12

LIS11:05 amLisbon Humberto Delgado

19h 23m

2 stops

SFO10:28 pmSan Francisco

Mar 14

SFO11:50 pmSan Francisco

26h 05m

1 stop

LIS8:55 amLisbon Humberto Delgado

$679

Find similar

American Airlines

Feb 25

LIS8:20 amLisbon Humberto Delgado

19h 27m

2 stops

SFO7:47 pmSan Francisco

Mar 18

SFO6:00 amSan Francisco

20h 05m

2 stops

LIS9:05 amLisbon Humberto Delgado

$687

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Fly from

Fly to

Route

Depart

Return

Price

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 2/4

8:20 am-9:25 pm

2 stops21h 05m

San Francisco

Wed 2/11

7:00 am-8:55 am

2 stops17h 55m

$668

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Thu 5/21

6:40 pm-1:50 pm

1 stop27h 10m

San Francisco

Sat 5/30

5:45 pm-11:25 pm

1 stop21h 40m

$670

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Thu 1/22

10:55 am-11:12 pm

2 stops20h 17m

San Francisco

Mon 1/26

7:00 am-9:05 am

2 stops18h 05m

$671

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 1/21

7:05 am-8:10 pm

2 stops21h 05m

San Francisco

Wed 2/18

12:10 pm-2:50 pm

2 stops18h 40m

$673

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sun 3/8

11:05 am-10:50 pm

1 stop18h 45m

San Francisco

Fri 3/13

11:43 pm-9:05 am

1 stop26h 22m

$674

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

6:05 am-11:15 am

2 stops21h 10m

$675

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 4/27

7:05 pm-5:55 pm

2 stops30h 50m

San Francisco

Tue 7/28

7:50 pm-8:35 pm

1 stop16h 45m

$676

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 1/12

11:05 am-10:28 pm

2 stops19h 23m

San Francisco

Sat 3/14

11:50 pm-8:55 am

1 stop26h 05m

$679

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 4/27

7:35 pm-5:55 pm

1 stop30h 20m

San Francisco

Sun 8/2

7:50 pm-8:35 pm

1 stop16h 45m

$681

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 2/25

8:20 am-7:47 pm

2 stops19h 27m

San Francisco

Wed 3/18

6:00 am-9:05 am

2 stops20h 05m

$687

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How to get the cheapest flight ticket from Lisbon to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $766.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Lisbon to San Francisco is on a Tuesday when prices can be found for as low as $799. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,384.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Lisbon to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $613. Flights at noon are often more expensive with an average ticket price of $1,327.

What is the cheapest Lisbon Humberto Delgado to San Francisco flight route?

Fly from Lisbon Humberto Delgado to San Francisco for the best Lisbon Humberto Delgado - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $822 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Lisbon for as low as $664 on momondo.

What cabin class options are available on Lisbon Humberto Delgado to San Francisco flights?

There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Lisbon to San Francisco flights?

You could potentially save up to 11% on your flight if you consider stops on a Lisbon to San Francisco flight.

How have Lisbon to San Francisco flight prices changed over time?

As of December 2025, prices for Lisbon to San Francisco flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Lisbon to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Lisbon to San Francisco (LIS to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to San Francisco

Fastest flight time	12h 35m
Direct flights	Thu, Fri, Sat and Sun
Airports in San Francisco	1 airport

The fastest flight from Lisbon to San Francisco takes 12h 35m

Direct flights go from Lisbon to San Francisco on Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is TAP AIR PORTUGAL.

There is 1 airport in San Francisco. From Lisbon there are direct flights to San Francisco (SFO).

Search flight deals

How far is Lisbon Humberto Delgado to San Francisco by plane?
The distance between Lisbon Humberto Delgado and San Francisco is about 5660.0 mi. A reasonable flight in good conditions will take 12h 35m.
When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to San Francisco Airport?
Prices for flights from Lisbon Humberto Delgado Airport to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to San Francisco Airport?
There are 7 operators available for flights from Lisbon Humberto Delgado Airport to San Francisco Airport as of December 2025.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lisbon Humberto Delgado Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Lisbon to San Francisco?
Based on momondo bookings for flights between Lisbon and San Francisco, the leading plane model is Airbus A330-900neo, making up 67.89% of the total bookings. Other popular models include Airbus A330 with 29.36% and Airbus A330-200 with 2.75%.
What is the most popular airline from Lisbon to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Lisbon to San Francisco is TAP AIR PORTUGAL (34% of total bookings). The next most popular airlines are British Airways (18%), Delta (16%), and United Airlines (15%).

Best airlines flying from Lisbon to San Francisco

Compare and see reviews for airlines that fly from Lisbon to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $572	Free Cancellation	Rating 6.7 7,605 reviews	Search British Airways flights
Delta	PriceFrom $587	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
TAP AIR PORTUGAL	PriceFrom $648	Free Cancellation	Rating 7.2 2,096 reviews	Search TAP AIR PORTUGAL flights
Air France	PriceFrom $657	Free Cancellation	Rating 7.4 1,513 reviews	Search Air France flights
American Airlines	PriceFrom $708	Free Cancellation	Rating 7.2 11,053 reviews	Search American Airlines flights
United Airlines	PriceFrom $732	Free Cancellation	Rating 7.4 9,103 reviews	Search United Airlines flights
Lufthansa	PriceFrom $741	Free Cancellation	Rating 6.8 7,649 reviews	Search Lufthansa flights

TAP AIR PORTUGAL Flights From Lisbon to San Francisco
TAP AIR PORTUGAL flies from Lisbon to San Francisco around 3 times per week, with 2,096 momondo users rating the airline 7.2/10. The cheapest TAP AIR PORTUGAL deal from Lisbon to San Francisco in the last 72 hours was $648 (round-trip), much lower than the average airfare cost of $873 for TAP AIR PORTUGAL flights on this route.

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Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to San Francisco?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Lisbon to San Francisco. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Lisbon to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from Lisbon with this policy.

How can momondo help me find flights from Lisbon to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to San Francisco.

I’m not ready to book a flight from Lisbon to San Francisco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Lisbon to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Lisbon to San Francisco from $329

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to San Francisco departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Lisbon to San Francisco

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $766.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Lisbon to San Francisco is on a Tuesday when prices can be found for as low as $799. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,384.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Lisbon to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $613. Flights at noon are often more expensive with an average ticket price of $1,327.

What is the cheapest Lisbon Humberto Delgado to San Francisco flight route?

Fly from Lisbon Humberto Delgado to San Francisco for the best Lisbon Humberto Delgado - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

What cabin class options are available on Lisbon Humberto Delgado to San Francisco flights?

There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Lisbon to San Francisco flights?

You could potentially save up to 11% on your flight if you consider stops on a Lisbon to San Francisco flight.

How have Lisbon to San Francisco flight prices changed over time?

As of December 2025, prices for Lisbon to San Francisco flights are approximately 4% more expensive when compared to flights at the same time last year.

What airlines fly to San Francisco?

How often are flights from Lisbon to San Francisco delayed?

Historically, on average around 11% of flights between Lisbon and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

What is the most punctual flight time for Lisbon to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Lisbon to San Francisco flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Lisbon and San Francisco?

Paris (CDG) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Lisbon to San Francisco?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $570.

Which layover airport has the shortest travel time from Lisbon to San Francisco?

Flights connecting via Boston (BOS) have the shortest average one-way travel time: 16h 15m.

Which layover airport has the shortest connection time from Lisbon to San Francisco?

Boston (BOS) has the shortest average layover time for this route: 1h 48m.

How many flights depart from Lisbon to San Francisco on average per day?

The number of flights available between Lisbon and San Francisco is 1 per day as of December 2025. The most frequent departure time is 9:00AM, with 100% of daily flights leaving at noon.

How many flights depart from Lisbon to San Francisco on average per week?

The number of flights available between Lisbon and San Francisco is 9 per week as of December 2025. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

When to book flights from Lisbon to San Francisco

Cheap Lisbon to San Francisco (LIS to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to San Francisco

Fastest flight time

Direct flights

Airports in San Francisco

How far is Lisbon Humberto Delgado to San Francisco by plane?

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to San Francisco Airport?

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to San Francisco Airport?

How old do you have to be to fly from Lisbon Humberto Delgado Airport to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Lisbon to San Francisco?

What is the most popular airline from Lisbon to San Francisco?

Best airlines flying from Lisbon to San Francisco

Compare and see reviews for airlines that fly from Lisbon to San Francisco with momondo

TAP AIR PORTUGAL Flights From Lisbon to San Francisco

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Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to San Francisco?

Can I find flights from Lisbon to San Francisco with flexible booking policies on momondo?

How can momondo help me find flights from Lisbon to San Francisco?