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Cheap flights from Lisbon to San Francisco from £385

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
3 Sep — 10 Sep1
1 adult

Cheap 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 29 August 2025.

Round-trip from

£503

One-way from

£385

Popular in

January

Cheapest in

February

Average price

£655
British Airways
  • British Airways
  • 17/10-24/10
  • 3 total stops
  • 37h 20m total
  • Lisbon to San Francisco
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9/10
  • 9/10
  • 2 total stops
  • 27h 00m total
  • Lisbon to San Francisco
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find 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 29 August 2025.

Fri 17/1007:20LIS - SFO
2 stops23h 10mBritish Airways
Fri 24/1010:55SFO - LIS
1 stop14h 10mBritish Airways
Deal found 28/8£503
Fri 12/907:20LIS - SFO
2 stops24h 39mBritish Airways
Sun 14/922:30SFO - LIS
1 stop26h 35mBritish Airways
Deal found 27/8£504
Tue 16/911:40LIS - SFO
2 stops20h 41mDelta
Thu 23/1012:35SFO - LIS
2 stops18h 15mDelta
Deal found 28/8£505
Tue 7/1005:40LIS - SFO
2 stops18h 25mDelta
Tue 21/1012:35SFO - LIS
2 stops18h 15mDelta
Deal found 27/8£506
Fri 17/1007:20LIS - SFO
2 stops23h 10mBritish Airways
Sat 25/1013:46SFO - LIS
2 stops21h 09mBritish Airways
Deal found 28/8£508
Fri 12/907:20LIS - SFO
2 stops21h 30mBritish Airways
Tue 16/913:21SFO - LIS
2 stops18h 09mBritish Airways
Deal found 27/8£508
Fri 19/1207:05LIS - SFO
2 stops19h 29mBritish Airways
Sat 3/117:30SFO - LIS
1 stop21h 00mBritish Airways
Deal found 28/8£509
Fri 17/1007:30LIS - SFO
1 stop16h 30mUnited Airlines
Wed 22/1023:45SFO - LIS
1 stop25h 35mUnited Airlines
Deal found 28/8£510
Mon 27/1018:35LIS - SFO
1 stop28h 25mBritish Airways
Wed 3/1217:30SFO - LIS
1 stop16h 10mBritish Airways
Deal found 28/8£512
Fri 17/1012:45LIS - SFO
1 stop18h 56mMultiple Airlines
Thu 23/1015:05SFO - LIS
1 stop23h 20mMultiple Airlines
Deal found 28/8£513
Mon 22/1205:30LIS - SFO
2 stops18h 47mDelta
Fri 2/110:35SFO - LIS
2 stops20h 35mDelta
Deal found 27/8£514
Sat 18/1006:15LIS - SFO
1 stop16h 15mUnited Airlines
Fri 24/1008:30SFO - LIS
1 stop15h 50mUnited Airlines
Deal found 28/8£520

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
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

Fri 17/10

07:20-22:30

2 stops23h 10m

San Francisco

Sat 25/10

06:00-10:05

1 stop20h 05m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 17/10

07:20-22:30

2 stops23h 10m

San Francisco

Thu 23/10

06:00-09:05

1 stop19h 05m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 17/10

07:20-22:30

2 stops23h 10m

San Francisco

Fri 24/10

10:55-09:05

1 stop14h 10m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 17/10

07:20-22:30

2 stops23h 10m

San Francisco

Sun 26/10

10:55-09:05

1 stop15h 10m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 14/10

07:15-22:07

2 stops22h 52m

San Francisco

Thu 23/10

10:55-09:05

1 stop14h 10m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 13/10

07:15-22:30

2 stops23h 15m

San Francisco

Thu 23/10

09:35-09:05

1 stop15h 30m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 17/10

07:20-22:30

2 stops23h 10m

San Francisco

Tue 21/10

10:55-09:05

1 stop14h 10m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 14/10

07:15-19:55

2 stops20h 40m

San Francisco

Mon 20/10

06:00-09:05

1 stop19h 05m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 14/10

07:15-19:55

2 stops20h 40m

San Francisco

Sat 25/10

21:45-09:05

1 stop28h 20m

£503

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 14/10

07:15-19:55

2 stops20h 40m

San Francisco

Wed 22/10

06:00-09:05

1 stop19h 05m

£503

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 21 results
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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
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 return flight from Lisbon to San Francisco. Price data was last updated on 22 August 2025.

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 £538). Flying from Lisbon to San Francisco in July is currently the most expensive (average of £803). 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 29 August 2025.

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.

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 3 times in the past calendar month.

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

    Airlines like British Airways fly from Lisbon to San Francisco in about 20h 40m. 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 (78%), 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 £538). Flying from Lisbon to San Francisco in July is currently the most expensive (average of £803). 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
Santa Cruz
Newark
South San Francisco
Bodega Bay
Pacific Grove
Union City

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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.

Can Cheapflights notify me if prices for flights from Lisbon to San Francisco become cheaper?

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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