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Cheap flights from Lisbon to San Francisco from £376

LIS — SFO
30 Oct — 6 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Lisbon to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Lisbon to San Francisco

Wed 11/1111:05 -
1 stop18h 52m
Wed 25/1113:54 -
2 stops19h 51m
Deal found 30/9£376
Fri 4/1211:05 -
1 stop19h 12m
Sun 6/1220:35 -
1 stop17h 10m
Deal found 27/9£376
Sun 20/1211:05 -
1 stop16h 09m
Mon 4/120:35 -
1 stop29h 10m
Deal found 26/9£378
Fri 13/1111:05 -
1 stop18h 52m
Sun 22/1107:56 -
1 stop17h 09m
Deal found 30/9£381
Thu 29/1007:00 -
1 stop15h 55m
Thu 5/1117:25 -
1 stop20h 30m
Deal found 29/9£383
Mon 30/1118:35 -
1 stop28h 20m
Thu 10/1207:00 -
2 stops21h 05m
Deal found 27/9£384
Sat 19/1211:05 -
1 stop35h 50m
Mon 4/120:35 -
1 stop17h 20m
Deal found 26/9£385
Fri 13/1110:45 -
2 stops20h 40m
Sat 28/1117:25 -
1 stop21h 05m
Deal found 28/9£388
Fri 20/1107:05 -
2 stops20h 37m
Mon 23/1107:56 -
1 stop17h 09m
Deal found 25/9£393
Fri 20/1105:00 -
1 stop14h 45m
Sat 5/1215:10 -
1 stop18h 20m
Deal found 28/9£416
Thu 15/1009:50 -
2 stops22h 06m
Wed 28/1013:20 -
2 stops21h 10m
Deal found 27/9£425

Find flight deals from Lisbon to San Francisco

Round-trip from

£367

Popular in

July

Cheapest in

February

Average price

£736
15/1-29/1
  • 15/1-29/1
  • 3 total stops
  • 41h 37m total
  • Lisbon to San Francisco
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Highest demand for flights based on searches. 15% potential increase in price (£93 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 17/12

10:25-22:10

1 stop19h 45m

San Francisco

Wed 30/12

20:35-21:55

1 stop17h 20m

£376

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 4/2

10:55-21:59

1 stop19h 04m

San Francisco

Tue 9/2

17:25-17:45

1 stop16h 20m

£377

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Fri 5/2

11:05-21:59

1 stop18h 54m

San Francisco

Sun 7/2

11:42-14:55

2 stops19h 13m

£378

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Tue 22/12

11:05-22:11

1 stop19h 06m

San Francisco

Sun 3/1

20:35-21:45

1 stop17h 10m

£378

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Sun 20/12

11:05-19:14

1 stop16h 09m

San Francisco

Thu 31/12

13:02-18:05

2 stops21h 03m

£378

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 4/2

10:55-21:59

1 stop19h 04m

San Francisco

Wed 10/2

17:25-17:45

1 stop16h 20m

£378

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Wed 23/12

11:05-19:14

1 stop16h 09m

San Francisco

Tue 5/1

17:25-21:50

1 stop20h 25m

£378

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 14/1

10:55-22:02

1 stop19h 07m

San Francisco

Mon 18/1

20:35-21:55

1 stop17h 20m

£378

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Mon 9/11

10:40-23:40

2 stops21h 00m

San Francisco

Tue 17/11

12:25-14:50

2 stops18h 25m

£388

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Fri 20/11

05:00-11:45

1 stop14h 45m

San Francisco

Sat 5/12

15:10-17:30

1 stop18h 20m

£416

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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 return price

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?

To ensure you get the cheapest price possible for a flight from Lisbon to San Francisco, you should look to book at least 38 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 £561). Flying from Lisbon to San Francisco in July is currently the most expensive (average of £837). 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?

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 much does it cost for a return flight from Lisbon to San Francisco?

Airfare is below average for this route at the moment.

Lisbon to San Francisco flights typically cost between £629 and £814 in January.
The cheapest return price found within the last 5 days was £367 on Multiple Airlines (15 Jan–29 Jan).

Related info for your journey

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

    Airlines like British Airways fly from Lisbon to San Francisco in about 17h 34m. The time it takes to get you to your destination can typically vary by up to . There are 5664 mi between Lisbon and San Francisco.

  • 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 (69%), JetBlue (68%) and TAP AIR PORTUGAL (68%).

  • 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 holiday 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 £561). Flying from Lisbon to San Francisco in July is currently the most expensive (average of £837). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Santa Cruz
Roseville
Newark
Bodega Bay
Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

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When you search for this flight from Lisbon to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Lisbon to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Lisbon by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Lisbon to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Lisbon? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Not ready to book yet? You can track prices for flights from Lisbon to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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