What is the cheapest airline that flies from Lisbon Humberto Delgado to San Francisco?

British Airways, KLM, and Delta are the most popular carriers operating from Lisbon Humberto Delgado to San Francisco

How often are flights from Lisbon to San Francisco delayed?

Historically, on average around 18% 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 107 minutes.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

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

As of September 2026, 3 flights take off from Lisbon and land in San Francisco each week. The most common flight departure day for this route is Sat, with 100% of weekly flights taking off on this day.

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 departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

According to our data, TAP AIR PORTUGAL have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

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?

As of September 2026, there is 1 operator available to choose from 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?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.

£314 Cheap Flights from Lisbon to San Francisco in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Lisbon to San Francisco

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

16:55 - 14:50LIS Lisbon Humberto Delgado-SFO San Francisco

29h 55m1 stop Kastrup Copenhagen

16:45 - 16:05SFO San Francisco-LIS Lisbon Humberto Delgado

15h 20m1 stop Kastrup Copenhagen

£314Scandinavian Airlines

Thu, 14 Jan - Mon, 18 Jan

16:55 - 14:50LIS Lisbon Humberto Delgado-SFO San Francisco

29h 55m1 stop Kastrup Copenhagen

16:45 - 16:05SFO San Francisco-LIS Lisbon Humberto Delgado

15h 20m1 stop Kastrup Copenhagen

£314Scandinavian Airlines

Wed, 18 Nov - Sun, 29 Nov

16:55 - 14:50LIS Lisbon Humberto Delgado-SFO San Francisco

29h 55m1 stop Kastrup Copenhagen

16:45 - 16:05SFO San Francisco-LIS Lisbon Humberto Delgado

15h 20m1 stop Kastrup Copenhagen

£314Scandinavian Airlines

Tue, 17 Nov - Sun, 29 Nov

16:55 - 14:50LIS Lisbon Humberto Delgado-SFO San Francisco

29h 55m1 stop Kastrup Copenhagen

16:45 - 16:05SFO San Francisco-LIS Lisbon Humberto Delgado

15h 20m1 stop Kastrup Copenhagen

£401Scandinavian Airlines

Wed, 18 Nov - Sat, 28 Nov

16:55 - 14:50LIS Lisbon Humberto Delgado-SFO San Francisco

29h 55m1 stop Kastrup Copenhagen

16:45 - 16:05SFO San Francisco-LIS Lisbon Humberto Delgado

15h 20m1 stop Kastrup Copenhagen

£401Scandinavian Airlines

Wed, 18 Nov - Thu, 26 Nov

16:55 - 14:50LIS Lisbon Humberto Delgado-SFO San Francisco

29h 55m1 stop Kastrup Copenhagen

16:45 - 16:05SFO San Francisco-LIS Lisbon Humberto Delgado

15h 20m1 stop Kastrup Copenhagen

£401Scandinavian Airlines

Thu, 19 Nov - Sun, 29 Nov

16:55 - 14:50LIS Lisbon Humberto Delgado-SFO San Francisco

29h 55m1 stop Kastrup Copenhagen

16:45 - 16:05SFO San Francisco-LIS Lisbon Humberto Delgado

15h 20m1 stop Kastrup Copenhagen

£401Scandinavian Airlines

Tue, 17 Nov - Thu, 26 Nov

16:55 - 14:50LIS Lisbon Humberto Delgado-SFO San Francisco

29h 55m1 stop Kastrup Copenhagen

16:45 - 16:05SFO San Francisco-LIS Lisbon Humberto Delgado

15h 20m1 stop Kastrup Copenhagen

£401Scandinavian Airlines

Tue, 17 Nov - Sat, 28 Nov

10:00 - 14:45LIS Lisbon Humberto Delgado-SFO San Francisco

12h 45mdirect

16:35 - 11:30SFO San Francisco-LIS Lisbon Humberto Delgado

10h 55mdirect

£729TAP AIR PORTUGAL

Wed, 16 Dec - Sat, 26 Dec

10:00 - 14:45LIS Lisbon Humberto Delgado-SFO San Francisco

12h 45mdirect

16:35 - 11:40SFO San Francisco-LIS Lisbon Humberto Delgado

11h 05mdirect

£729TAP AIR PORTUGAL

Wed, 16 Dec - Mon, 28 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

05:00 - 11:45LIS Lisbon Humberto Delgado-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

15:05 - 17:50SFO San Francisco-LIS Lisbon Humberto Delgado

18h 45m1 stop Paris Charles de Gaulle

£681Multiple Airlines

Thu, 24 Sep - Tue, 29 Sep

19:45 - 11:45LIS Lisbon Humberto Delgado-SFO San Francisco

24h 00m1 stop Amsterdam Schiphol

20:10 - 22:25SFO San Francisco-LIS Lisbon Humberto Delgado

18h 15m1 stop Paris Charles de Gaulle

£681Multiple Airlines

Wed, 23 Sep - Tue, 29 Sep

05:00 - 11:45LIS Lisbon Humberto Delgado-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

14:30 - 17:50SFO San Francisco-LIS Lisbon Humberto Delgado

19h 20m2 stops Los Angeles Paris Charles de Gaulle

£681Delta

Wed, 23 Sep - Tue, 29 Sep

05:00 - 11:45LIS Lisbon Humberto Delgado-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

10:29 - 11:15SFO San Francisco-LIS Lisbon Humberto Delgado

16h 46m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

£681Multiple Airlines

Thu, 24 Sep - Tue, 29 Sep

19:45 - 11:45LIS Lisbon Humberto Delgado-SFO San Francisco

24h 00m1 stop Amsterdam Schiphol

12:05 - 14:55SFO San Francisco-LIS Lisbon Humberto Delgado

18h 50m2 stops Los Angeles Paris Charles de Gaulle

£681Multiple Airlines

Wed, 23 Sep - Thu, 15 Oct

05:00 - 11:45LIS Lisbon Humberto Delgado-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

13:45 - 18:45SFO San Francisco-LIS Lisbon Humberto Delgado

21h 00m1 stop Amsterdam Schiphol

£684KLM

Thu, 24 Sep - Wed, 7 Oct

05:00 - 11:45LIS Lisbon Humberto Delgado-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

17:19 - 18:45SFO San Francisco-LIS Lisbon Humberto Delgado

17h 26m2 stops Salt Lake City Amsterdam Schiphol

£685Delta

Thu, 24 Sep - Wed, 30 Sep

19:45 - 11:45LIS Lisbon Humberto Delgado-SFO San Francisco

24h 00m1 stop Amsterdam Schiphol

17:19 - 18:45SFO San Francisco-LIS Lisbon Humberto Delgado

17h 26m2 stops Salt Lake City Amsterdam Schiphol

£685KLM

Wed, 23 Sep - Wed, 30 Sep

09:40 - 14:35LIS Lisbon Humberto Delgado-SFO San Francisco

12h 55mdirect

16:35 - 11:50SFO San Francisco-LIS Lisbon Humberto Delgado

11h 15mdirect

£862TAP AIR PORTUGAL

Wed, 23 Sep - Wed, 14 Oct

09:00 - 13:35LIS Lisbon Humberto Delgado-SFO San Francisco

12h 35mdirect

19:35 - 14:50SFO San Francisco-LIS Lisbon Humberto Delgado

11h 15mdirect

£883TAP AIR PORTUGAL

Tue, 22 Sep - Sat, 3 Oct

Cheap direct flights

Enter your travel dates to find the best prices.

10:00 - 14:45LIS Lisbon Humberto Delgado-SFO San Francisco

12h 45mdirect

16:35 - 11:30SFO San Francisco-LIS Lisbon Humberto Delgado

10h 55mdirect

£729TAP AIR PORTUGAL

Wed, 16 Dec - Sat, 26 Dec

10:00 - 14:45LIS Lisbon Humberto Delgado-SFO San Francisco

12h 45mdirect

16:35 - 11:40SFO San Francisco-LIS Lisbon Humberto Delgado

11h 05mdirect

£729TAP AIR PORTUGAL

Wed, 16 Dec - Mon, 28 Dec

10:00 - 14:45LIS Lisbon Humberto Delgado-SFO San Francisco

12h 45mdirect

19:15 - 14:20SFO San Francisco-LIS Lisbon Humberto Delgado

11h 05mdirect

£729TAP AIR PORTUGAL

Wed, 16 Dec - Fri, 25 Dec

09:40 - 14:25LIS Lisbon Humberto Delgado-SFO San Francisco

12h 45mdirect

16:35 - 11:30SFO San Francisco-LIS Lisbon Humberto Delgado

10h 55mdirect

£750TAP AIR PORTUGAL

Mon, 16 Nov - Wed, 25 Nov

09:55 - 14:45LIS Lisbon Humberto Delgado-SFO San Francisco

12h 50mdirect

16:35 - 11:30SFO San Francisco-LIS Lisbon Humberto Delgado

10h 55mdirect

£750TAP AIR PORTUGAL

Sat, 21 Nov - Wed, 25 Nov

11:15 - 16:05LIS Lisbon Humberto Delgado-SFO San Francisco

12h 50mdirect

19:15 - 14:20SFO San Francisco-LIS Lisbon Humberto Delgado

11h 05mdirect

£750TAP AIR PORTUGAL

Fri, 18 Dec - Fri, 25 Dec

11:15 - 16:05LIS Lisbon Humberto Delgado-SFO San Francisco

12h 50mdirect

16:35 - 11:30SFO San Francisco-LIS Lisbon Humberto Delgado

10h 55mdirect

£750TAP AIR PORTUGAL

Fri, 20 Nov - Wed, 25 Nov

11:15 - 16:05LIS Lisbon Humberto Delgado-SFO San Francisco

12h 50mdirect

19:15 - 14:20SFO San Francisco-LIS Lisbon Humberto Delgado

11h 05mdirect

£750TAP AIR PORTUGAL

Fri, 18 Dec - Fri, 15 Jan

11:15 - 16:05LIS Lisbon Humberto Delgado-SFO San Francisco

12h 50mdirect

17:35 - 11:40SFO San Francisco-LIS Lisbon Humberto Delgado

11h 05mdirect

£911JetBlue

Fri, 13 Nov - Wed, 24 Mar

11:15 - 16:05LIS Lisbon Humberto Delgado-SFO San Francisco

12h 50mdirect

17:35 - 11:40SFO San Francisco-LIS Lisbon Humberto Delgado

11h 05mdirect

£911JetBlue

Fri, 13 Nov - Mon, 22 Mar

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Scandinavian Airlines flights from Lisbon to San Francisco

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

Scandinavian Airlines

17 Nov

LIS16:55Lisbon Humberto Delgado

29h 55m

1 stop

SFO14:50San Francisco

29 Nov

SFO16:45San Francisco

15h 20m

1 stop

LIS16:05Lisbon Humberto Delgado

£314

Scandinavian Airlines

17 Nov

LIS16:55Lisbon Humberto Delgado

29h 55m

1 stop

SFO14:50San Francisco

26 Nov

SFO16:45San Francisco

15h 20m

1 stop

LIS16:05Lisbon Humberto Delgado

£401

Scandinavian Airlines

17 Nov

LIS16:55Lisbon Humberto Delgado

34h 56m

2 stops

SFO19:51San Francisco

29 Nov

SFO16:45San Francisco

15h 20m

1 stop

LIS16:05Lisbon Humberto Delgado

£438

Delta flights from Lisbon to San Francisco

Our best Delta deals on Lisbon to San Francisco flight tickets

Delta

22 Oct

LIS05:00Lisbon Humberto Delgado

14h 45m

1 stop

SFO11:45San Francisco

4 Nov

SFO15:10San Francisco

16h 00m

1 stop

LIS15:10Lisbon Humberto Delgado

£551

Delta

11 Nov

LIS05:00Lisbon Humberto Delgado

14h 45m

1 stop

SFO11:45San Francisco

17 Nov

SFO15:10San Francisco

18h 20m

1 stop

LIS17:30Lisbon Humberto Delgado

£552

Delta

9 Nov

LIS05:00Lisbon Humberto Delgado

20h 13m

2 stops

SFO17:13San Francisco

23 Nov

SFO14:47San Francisco

18h 43m

2 stops

LIS17:30Lisbon Humberto Delgado

£553

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 14/1

16:55-14:50

1 stop29h 55m

San Francisco

Mon 18/1

16:45-16:05

1 stop15h 20m

£314

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Wed 18/11

16:55-14:50

1 stop29h 55m

San Francisco

Sun 29/11

16:45-16:05

1 stop15h 20m

£314

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Tue 17/11

16:55-14:50

1 stop29h 55m

San Francisco

Sun 29/11

16:45-16:05

1 stop15h 20m

£314

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Wed 18/11

16:55-14:50

1 stop29h 55m

San Francisco

Sat 28/11

16:45-16:05

1 stop15h 20m

£401

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Wed 18/11

16:55-14:50

1 stop29h 55m

San Francisco

Thu 26/11

16:45-16:05

1 stop15h 20m

£401

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 19/11

16:55-14:50

1 stop29h 55m

San Francisco

Sun 29/11

16:45-16:05

1 stop15h 20m

£401

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Tue 17/11

16:55-14:50

1 stop29h 55m

San Francisco

Thu 26/11

16:45-16:05

1 stop15h 20m

£401

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Tue 17/11

16:55-14:50

1 stop29h 55m

San Francisco

Sat 28/11

16:45-16:05

1 stop15h 20m

£401

Fastest return journey

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Wed 16/12

10:00-14:45

Nonstop12h 45m

San Francisco

Sat 26/12

16:35-11:30

Nonstop10h 55m

£729

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Wed 16/12

10:00-14:45

Nonstop12h 45m

San Francisco

Mon 28/12

16:35-11:40

Nonstop11h 05m

£729

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Other information

What is the typical price of a round-trip flight between Lisbon and San Francisco?

Prices are currently low for flights on this route.

Typical prices usually range from £616 to £786.
The lowest price recently found on this route was £314.

What is the cheapest month to fly to San Francisco?

The month of February is, on average, the cheapest month to fly to San Francisco from Lisbon, with most prices found around £555. If you are unable to visit San Francisco during the month of February, then departing from Lisbon during the month November is also very affordable. Most momondo users find prices during this month for around £587.

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 from Lisbon 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 £679 when searching weeks before you fly. 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 £543 on momondo.

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

There are 3 cabin classes available to choose from on Lisbon 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?

No. A direct flight is the cheapest option for a flight between Lisbon to San Francisco.

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

As of September 2026, prices for Lisbon to San Francisco flights are approximately 11% 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 return 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

Best price found	£540
Fastest flight time	12h 50m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Lisbon in the past 72 hours is £540. The best return flight deal from Lisbon to San Francisco found on momondo in the last 72 hours is £314.

The fastest flight from Lisbon to San Francisco takes 12h 50m

Direct flights go from Lisbon to San Francisco on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

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

Search flight deals

Frequently asked questions about flying from Lisbon to San Francisco

How far is Lisbon Humberto Delgado to San Francisco by plane?
San Francisco is 5660.0 mi away from Lisbon Humberto Delgado. In terms of flight time, this usually takes a little over 12h 50m.
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?
As of September 2026, there is 1 operator available to choose from 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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?
momondo data reveals that the most frequently booked plane model on the route from Lisbon to San Francisco is Airbus A330-900neo, representing 65.97% of all bookings. The subsequent popular model is Airbus A330 at 34.03%.
What is the most popular airline from Lisbon to San Francisco?
Based on momondo bookings for flights between Lisbon and San Francisco, the leading airline is TAP AIR PORTUGAL, making up 100% of the total bookings.

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
TAP AIR PORTUGAL	PriceFrom £516	Free Cancellation	Rating 7.2 2,377 reviews		Search TAP AIR PORTUGAL flights

TAP AIR PORTUGAL Flights From Lisbon to San Francisco
TAP AIR PORTUGAL is one of the most popular airlines flying from Lisbon to San Francisco, operating 1 flight/week on average for this route. A good TAP AIR PORTUGAL flight deal for Lisbon to San Francisco starts from £516 round-trip, up to an average price of £691. Our users have rated TAP AIR PORTUGAL at 7.2/10.

South San Francisco

Santa Cruz

Sunnyvale

Calistoga

Carmel-by-the-Sea

Rohnert Park

Windsor

Burlingame

Belmont

Big Sur

Sausalito

San Bruno

Pacific Grove

Aptos

Mill Valley

Newark

Palo Alto

Campbell

Seaside

Roseville

Why use momondo?

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

Finding the right flight to San Francisco from Lisbon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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 provides multiple filters to help you find the best flight to San Francisco from Lisbon. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.