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Cheap flights from Lisbon to San Francisco from £377

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
31 Mar — 7 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 26 March 2025.

Round-trip from

£481

One-way from

£377

Popular in

July

Cheapest in

February

Average price

£642
Delta
  • Delta
  • 8/4-22/4
  • 3 total stops
  • 35h 30m total
  • Lisbon to San Francisco
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2/5
  • 2/5
  • 1 total stop
  • 20h 00m total
  • Lisbon to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£88 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in March 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 26 March 2025.

Tue 1/419:30LIS - SFO
1 stop24h 15mMultiple Airlines
Tue 8/415:05SFO - LIS
1 stop15h 45mMultiple Airlines
Deal found 25/3£481
Tue 1/405:00LIS - SFO
1 stop14h 45mDelta
Mon 21/413:45SFO - LIS
2 stops20h 55mDelta
Deal found 25/3£485
Thu 10/411:05LIS - SFO
1 stop17h 21mBritish Airways
Tue 15/419:30SFO - LIS
1 stop19h 30mBritish Airways
Deal found 25/3£495
Tue 9/906:35LIS - SFO
1 stop17h 35mFinnair
Tue 23/917:45SFO - LIS
1 stop21h 40mFinnair
Deal found 25/3£499
Mon 19/512:45LIS - SFO
2 stops19h 36mVirgin Atlantic
Wed 28/506:05SFO - LIS
2 stops20h 40mVirgin Atlantic
Deal found 25/3£533
Mon 15/1206:10LIS - SFO
1 stop20h 35mUnited Airlines
Tue 6/107:00SFO - LIS
2 stops17h 10mUnited Airlines
Deal found 25/3£535
Tue 16/1206:10LIS - SFO
1 stop16h 40mLufthansa
Sat 3/120:35SFO - LIS
1 stop18h 55mLufthansa
Deal found 25/3£538
Thu 18/1212:35LIS - SFO
2 stops32h 40mSWISS
Mon 5/112:50SFO - LIS
2 stops17h 45mSWISS
Deal found 25/3£591
Mon 11/805:00LIS - SFO
1 stop14h 45mKLM
Mon 25/813:45SFO - LIS
1 stop16h 50mKLM
Deal found 25/3£652
Tue 9/908:45LIS - SFO
1 stop16h 00mTAP AIR PORTUGAL
Tue 23/916:20SFO - LIS
Nonstop11h 10mTAP AIR PORTUGAL
Deal found 25/3£693
Wed 18/616:30LIS - SFO
1 stop32h 10mTurkish Airlines
Sat 28/612:40SFO - LIS
1 stop26h 55mTurkish Airlines
Deal found 25/3£705
Mon 7/418:50LIS - SFO
1 stop26h 00mAir France
Fri 11/421:15SFO - LIS
2 stops41h 10mAir France
Deal found 25/3£750

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 26 March 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 8/4

05:00-11:45

1 stop14h 45m

San Francisco

Tue 22/4

06:30-11:15

2 stops20h 45m

£481

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Thu 10/4

11:05-20:26

1 stop17h 21m

San Francisco

Tue 15/4

19:30-23:00

1 stop19h 30m

£495

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 9/9

06:35-16:10

1 stop17h 35m

San Francisco

Tue 23/9

17:45-23:25

1 stop21h 40m

£499

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 19/5

12:45-00:21

2 stops19h 36m

San Francisco

Wed 28/5

06:05-10:45

2 stops20h 40m

£533

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sat 19/4

12:50-21:49

1 stop16h 59m

San Francisco

Sat 3/5

08:15-08:55

1 stop16h 40m

£541

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 9/4

05:00-11:45

1 stop14h 45m

San Francisco

Wed 30/4

20:25-22:25

1 stop18h 00m

£546

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 8/4

05:05-12:40

1 stop15h 35m

San Francisco

Wed 23/4

14:40-23:30

1 stop24h 50m

£553

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Thu 1/5

05:55-16:10

1 stop18h 15m

San Francisco

Thu 15/5

14:00-23:20

1 stop25h 20m

£566

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 11/8

05:00-11:45

1 stop14h 45m

San Francisco

Mon 25/8

13:45-14:35

1 stop16h 50m

£652

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 9/9

08:45-16:45

1 stop16h 00m

San Francisco

Tue 23/9

16:20-11:30

Nonstop11h 10m

£693

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 26 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 21 March 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 26 March 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 26 March 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Lisbon to San Francisco. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,891 reviews
Check prices

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

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
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

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
1,318 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

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
1,266 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

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
1,569 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

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
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

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 (£481), British Airways (£495), and Finnair (£499) offers the cheapest pricing from Lisbon to San Francisco. Users have found that Delta is 27% 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 £468 on Finnair. Other airlines that offer cheap prices include Turkish Airlines from £533 and Air Europa from £538 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 Etihad Airways (77%), JetBlue (75%) and TAP AIR PORTUGAL (64%).

  • 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
San Mateo
Los Banos
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

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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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