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Cheap flights from Lisbon to San Francisco from £339

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 5/3. 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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0 bags
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Cheap return flights

British Airways Logo
07:20 - 23:28LIS-SFO
24h 08m2 stops
British Airways Logo
13:11 - 21:45SFO-LIS
24h 34m2 stops
£497British Airways
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Wed, 8 Oct - Tue, 18 Nov
British Airways Logo
18:40 - 13:50LIS-SFO
27h 10m1 stop
British Airways Logo
09:35 - 08:55SFO-LIS
16h 20m1 stop
£500British Airways
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Wed, 15 Oct - Wed, 29 Oct
British Airways Logo
18:45 - 13:50LIS-SFO
27h 05m1 stop
British Airways Logo
12:08 - 09:05SFO-LIS
12h 57m1 stop
£501British Airways
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Tue, 14 Oct - Mon, 17 Nov
United Airlines Logo
05:05 - 12:40LIS-SFO
15h 35m1 stop
United Airlines Logo
11:40 - 09:20SFO-LIS
13h 40m1 stop
£511United Airlines
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Wed, 8 Oct - Tue, 14 Oct
United Airlines Logo
05:05 - 12:40LIS-SFO
15h 35m1 stop
United Airlines Logo
13:25 - 10:15SFO-LIS
12h 50m1 stop
£511United Airlines
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Wed, 8 Oct - Mon, 17 Nov
TAP AIR PORTUGAL Logo
09:40 - 14:30LIS-SFO
12h 50mdirect
TAP AIR PORTUGAL Logo
16:35 - 11:30SFO-LIS
10h 55mdirect
£512TAP AIR PORTUGAL
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Wed, 11 Feb - Wed, 18 Feb
Logo
16:10 - 15:00LIS-SFO
30h 50m2 stops
Logo
21:37 - 08:55SFO-LIS
27h 18m1 stop
£514
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Sat, 20 Dec - Sat, 3 Jan
Delta Logo
05:30 - 19:21LIS-SFO
21h 51m2 stops
Delta Logo
11:05 - 15:10SFO-LIS
21h 05m2 stops
£520Delta
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Sun, 8 Mar - Sat, 14 Mar
Delta Logo
05:00 - 18:05LIS-SFO
21h 05m2 stops
Delta Logo
10:23 - 17:30SFO-LIS
23h 07m2 stops
£524Delta
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Sun, 14 Dec - Sun, 28 Dec
Logo
07:05 - 15:00LIS-SFO
15h 55m1 stop
Logo
23:19 - 09:05SFO-LIS
26h 46m1 stop
£527
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Sun, 8 Mar - Fri, 13 Mar

Brussels Airlines flights from Lisbon to San Francisco

Our best Brussels Airlines deals on Lisbon to San Francisco flight tickets
Brussels Airlines
13 Oct
LIS19:55Lisbon Humberto Delgado
24h 45m
2 stops
SFO12:40San Francisco
27 Oct
SFO08:35San Francisco
16h 35m
1 stop
LIS08:10Lisbon Humberto Delgado
£565
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Brussels Airlines
13 Oct
LIS19:55Lisbon Humberto Delgado
24h 45m
2 stops
SFO12:40San Francisco
27 Oct
SFO08:25San Francisco
21h 25m
2 stops
LIS12:50Lisbon Humberto Delgado
£572
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Brussels Airlines
22 Sept
LIS19:55Lisbon Humberto Delgado
24h 45m
2 stops
SFO12:40San Francisco
27 Sept
SFO07:00San Francisco
20h 10m
2 stops
LIS11:10Lisbon Humberto Delgado
£923
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United Airlines flights from Lisbon to San Francisco

Our best United Airlines deals on Lisbon to San Francisco flight tickets
United Airlines
8 Oct
LIS05:05Lisbon Humberto Delgado
15h 35m
1 stop
SFO12:40San Francisco
14 Oct
SFO11:40San Francisco
13h 40m
1 stop
LIS09:20Lisbon Humberto Delgado
£511
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United Airlines
8 Oct
LIS05:05Lisbon Humberto Delgado
15h 35m
1 stop
SFO12:40San Francisco
17 Nov
SFO13:25San Francisco
12h 50m
1 stop
LIS10:15Lisbon Humberto Delgado
£511
Find similar
United Airlines
8 Oct
LIS05:05Lisbon Humberto Delgado
15h 35m
1 stop
SFO12:40San Francisco
13 Oct
SFO14:00San Francisco
15h 35m
1 stop
LIS13:35Lisbon Humberto Delgado
£514
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momondo Fare Finder

 
Customise 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, momondo users made 279,928 searches. Data last updated 16 September 2025.
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

Price

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 8/10

07:20-23:28

2 stops24h 08m

San Francisco

Tue 18/11

13:11-21:45

2 stops24h 34m

£497

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 15/10

18:40-13:50

1 stop27h 10m

San Francisco

Wed 29/10

09:35-08:55

1 stop16h 20m

£500

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 14/10

18:45-13:50

1 stop27h 05m

San Francisco

Mon 17/11

12:08-09:05

1 stop12h 57m

£501

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 8/10

05:05-12:40

1 stop15h 35m

San Francisco

Tue 14/10

11:40-09:20

1 stop13h 40m

£511

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 8/10

05:05-12:40

1 stop15h 35m

San Francisco

Mon 17/11

13:25-10:15

1 stop12h 50m

£511

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 11/2

09:40-14:30

Nonstop12h 50m

San Francisco

Wed 18/2

16:35-11:30

Nonstop10h 55m

£512

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sat 20/12

16:10-15:00

2 stops30h 50m

San Francisco

Sat 3/1

21:37-08:55

1 stop27h 18m

£514

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sun 8/3

05:30-19:21

2 stops21h 51m

San Francisco

Sat 14/3

11:05-15:10

2 stops21h 05m

£520

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sun 14/12

05:00-18:05

2 stops21h 05m

San Francisco

Sun 28/12

10:23-17:30

2 stops23h 07m

£524

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sun 8/3

07:05-15:00

1 stop15h 55m

San Francisco

Fri 13/3

23:19-09:05

1 stop26h 46m

£527

Flights are sorted by cheapest return flights first.

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See travel insights to San Francisco from

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

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 £480. If you are unable to visit San Francisco during the month of February, then departing from Lisbon during the month April is also very affordable. Most momondo users find prices during this month for around £567.

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 £597 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 £502 on momondo.

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

There are 2 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.

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

As of September 2025, prices for Lisbon to San Francisco flights are approximately 25% cheaper 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

Fastest flight time

12h 35m

Direct flights

Tue, Wed, 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 Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near San Francisco: San Francisco (SFO)
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  • 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 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?

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Carmel-by-the-Sea
Santa Clara
Seaside
Vacaville
Salinas
Rohnert Park
Campbell
Sunnyvale
San Ramon
South San Francisco
Capitola
Palo Alto
Millbrae
San Bruno
Sausalito
Santa Cruz
Woodland
Redwood City
Burlingame
Modesto

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.

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