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Cheap flights from Lisbon to San Francisco from £387

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
23 Apr — 30 Apr1
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 18 April 2025.

Round-trip from

£491

One-way from

£387

Popular in

July

Cheapest in

February

Average price

£587
Delta
  • Delta
  • 13/5-25/5
  • 3 total stops
  • 35h 35m total
  • Lisbon to San Francisco
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23/5
  • 23/5
  • 1 total stop
  • 20h 00m total
  • Lisbon to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£83 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in April 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 18 April 2025.

Tue 13/505:00LIS - SFO
1 stop14h 45mDelta
Sun 25/510:00SFO - LIS
2 stops20h 50mDelta
Deal found 18/4£491
Fri 16/515:35LIS - SFO
1 stop28h 10mKLM
Tue 27/513:45SFO - LIS
1 stop25h 05mKLM
Deal found 16/4£500
Wed 14/506:35LIS - SFO
2 stops22h 25mBritish Airways
Sat 24/519:30SFO - LIS
1 stop19h 40mBritish Airways
Deal found 17/4£529
Thu 1/511:25LIS - SFO
1 stop32h 10mUnited Airlines
Sun 4/521:05SFO - LIS
1 stop16h 45mUnited Airlines
Deal found 17/4£550
Thu 13/1105:00LIS - SFO
2 stops23h 25mLufthansa
Fri 28/1108:25SFO - LIS
1 stop17h 50mLufthansa
Deal found 17/4£550
Fri 16/520:45LIS - SFO
1 stop27h 25mMultiple Airlines
Fri 6/606:27SFO - LIS
1 stop18h 38mMultiple Airlines
Deal found 17/4£553
Sun 18/505:55LIS - SFO
1 stop18h 15mSWISS
Sat 24/511:30SFO - LIS
2 stops19h 15mSWISS
Deal found 16/4£579
Thu 10/706:35LIS - SFO
2 stops23h 16mFinnair
Wed 10/916:35SFO - LIS
1 stop22h 35mFinnair
Deal found 17/4£599
Tue 9/909:20LIS - SFO
1 stop15h 25mTAP AIR PORTUGAL
Tue 23/916:20SFO - LIS
Nonstop11h 10mTAP AIR PORTUGAL
Deal found 17/4£612
Sat 26/705:55LIS - SFO
1 stop36h 40mTurkish Airlines
Sun 17/818:45SFO - LIS
1 stop20h 50mTurkish Airlines
Deal found 17/4£848
Fri 14/1109:55LIS - SFO
Nonstop12h 50mJetBlue
Fri 28/1116:35SFO - LIS
Nonstop10h 55mJetBlue
Deal found 17/4£901
Fri 2/506:55LIS - SFO
2 stops24h 26mScandinavian Airlines
Sat 17/516:21SFO - LIS
2 stops32h 39mScandinavian Airlines
Deal found 18/4£930

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 18 April 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

Tue 13/5

05:00-11:45

1 stop14h 45m

San Francisco

Sun 25/5

10:00-14:50

2 stops20h 50m

£491

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 16/5

15:35-11:45

1 stop28h 10m

San Francisco

Tue 27/5

13:45-22:50

1 stop25h 05m

£500

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 14/5

06:35-21:00

2 stops22h 25m

San Francisco

Sat 24/5

19:30-23:10

1 stop19h 40m

£529

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Thu 1/5

11:25-11:35

1 stop32h 10m

San Francisco

Sun 4/5

21:05-21:50

1 stop16h 45m

£550

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 16/5

20:45-16:10

1 stop27h 25m

San Francisco

Fri 6/6

06:27-09:05

1 stop18h 38m

£553

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sun 18/5

05:55-16:10

1 stop18h 15m

San Francisco

Sat 24/5

11:30-14:45

2 stops19h 15m

£579

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Thu 10/7

06:35-21:51

2 stops23h 16m

San Francisco

Wed 10/9

16:35-23:10

1 stop22h 35m

£599

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 14/5

06:15-16:05

2 stops17h 50m

San Francisco

Sat 24/5

21:05-23:30

2 stops18h 25m

£609

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 9/9

09:20-16:45

1 stop15h 25m

San Francisco

Tue 23/9

16:20-11:30

Nonstop11h 10m

£612

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sat 26/7

05:55-10:35

1 stop36h 40m

San Francisco

Sun 17/8

18:45-23:35

1 stop20h 50m

£848

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 22 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 11 April 2025.

To ensure you get the cheapest price possible for a flight from Lisbon to San Francisco, you should look to book at least 83 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 18 April 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.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 18 April 2025.
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,581 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Cathay Pacific
7.5
Good
849 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Lisbon to San Francisco round-trip?

    According to our current data, Delta (£491), KLM (£500), and British Airways (£529) offers the cheapest pricing from Lisbon to San Francisco. Users have found that Delta is 23% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Lisbon to San Francisco one-way?

    One-way options have recently been found by users for as low as £400 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include JetBlue from £468 and Finnair from £481 one-way.

  • 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 JetBlue (88%), Etihad Airways (77%) and TAP AIR PORTUGAL (75%).

  • 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Santa Cruz
Los Banos
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

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