How often are flights from Lisbon to San Francisco delayed?

About 18% of weekly flights between Lisbon and San Francisco have experienced delays in the past year, with the average delay time being 108 minutes.

What is the most punctual flight time for Lisbon to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Lisbon to San Francisco flights?

Over the past year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 18% of flights being delayed.

How long is the flight from Lisbon to San Francisco?

Airlines like Scandinavian Airlines and Delta fly from Lisbon to San Francisco in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 25h 35m. There are 5664 mi between Lisbon and San Francisco. Both multi-stop and direct flights can be found to your destination and back.

What is the cheapest airline to fly from Lisbon to San Francisco round-trip?

According to our current data, TAP AIR PORTUGAL (£512), offers the cheapest pricing from Lisbon to San Francisco. Users have found that TAP AIR PORTUGAL is 22% cheaper than the other options available to this destination.

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.

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).

What are the cheapest flights from Lisbon to San Francisco?

While on average a flight from Lisbon to San Francisco is generally £1,331, our data shows the cheapest flight currently is £1,331. When looking at the most popular route, (Lisbon Humberto Delgado - San Francisco), you can expect to pay £870 for that flight.

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 (76%), JetBlue (74%) and TAP AIR PORTUGAL (74%).

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.

£445+ Cheap Flights from Lisbon to San Francisco

Cheap flight deals from Lisbon to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 3 September 2026.

Tue 10/1116:55 -

1 stop29h 55m

Thu 11/316:45 -

1 stop15h 20m

Deal found 31/8£445

Tue 10/1116:55 -

1 stop29h 55m

Sat 13/316:45 -

1 stop15h 20m

Deal found 31/8£457

Mon 9/1116:55 -

1 stop29h 55m

Thu 11/316:45 -

1 stop15h 20m

Deal found 31/8£488

Wed 11/1116:55 -

1 stop29h 55m

Wed 10/307:00 -

2 stops25h 05m

Deal found 31/8£490

Mon 9/1116:55 -

1 stop29h 55m

Sat 13/316:45 -

1 stop15h 20m

Deal found 31/8£500

Sat 3/1022:55 -

1 stop23h 45m

Mon 23/1116:45 -

1 stop15h 20m

Deal found 1/9£522

Mon 9/1116:55 -

1 stop29h 55m

Sun 7/316:45 -

1 stop15h 20m

Deal found 31/8£531

Sat 3/1022:55 -

1 stop23h 45m

Tue 17/1116:45 -

1 stop15h 20m

Deal found 1/9£534

Mon 5/1009:30 -

Nonstop12h 35m

Mon 19/1016:30 -

Nonstop11h 15m

Deal found 2/9£541

Thu 8/1005:00 -

1 stop14h 45m

Thu 15/1015:05 -

1 stop23h 20m

Deal found 1/9£550

Wed 30/905:00 -

1 stop14h 45m

Tue 13/1015:05 -

1 stop15h 50m

Deal found 31/8£551

Wed 30/905:00 -

1 stop14h 45m

Wed 21/1009:54 -

2 stops21h 01m

Deal found 2/9£551

Find flight deals from Lisbon to San Francisco

Round-trip from	£445
Popular in	July
Cheapest in	February
Average price	£676
Good one-way deal	£1,331 or less

Scandinavian Airlines
10/11-8/3
2 total stops
45h 15m total
Lisbon to San Francisco

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£77 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a one-way flight from Lisbon Humberto Delgado to San Francisco.

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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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Wed 4/11

16:55-01:15

2 stops40h 20m

San Francisco

Tue 10/11

16:45-16:05

1 stop15h 20m

£534

Fastest return journey

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Tue 22/9

05:00-11:45

1 stop14h 45m

San Francisco

Tue 6/10

15:05-17:50

1 stop18h 45m

£552

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Mon 5/10

05:00-18:09

2 stops21h 09m

San Francisco

Mon 19/10

15:05-14:55

1 stop15h 50m

£554

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Wed 16/9

05:00-16:24

2 stops19h 24m

San Francisco

Tue 29/9

20:10-22:25

1 stop18h 15m

£556

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 1/10

05:00-15:54

2 stops18h 54m

San Francisco

Thu 8/10

20:10-22:25

1 stop18h 15m

£558

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Fri 13/11

05:00-19:35

2 stops22h 35m

San Francisco

Sun 22/11

07:00-08:55

1 stop17h 55m

£558

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 15/10

09:50-22:45

2 stops20h 55m

San Francisco

Wed 28/10

07:00-11:20

2 stops21h 20m

£559

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Thu 15/10

10:00-20:06

1 stop18h 06m

San Francisco

Wed 28/10

22:55-08:00

1 stop26h 05m

£569

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Tue 15/9

07:10-17:40

1 stop18h 30m

San Francisco

Tue 22/9

19:30-23:00

1 stop19h 30m

£572

Cheapest one-way

LisbonSan Francisco

LIS Lisbon Humberto Delgado - SFO San Francisco

LISSFO

Lisbon Humberto Delgado

Mon 5/10

18:45-13:50

1 stop27h 05m

£553

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 20 resultsSorted by cheapest first

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.

LIS-SFO

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

Prices

Delays

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 £537). Flying from Lisbon to San Francisco in July is currently the most expensive (average of £825). 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 £586 and £759 in November.
The cheapest return price found within the last 5 days was £445 on Scandinavian Airlines (10 Nov–8 Mar).

Reviews of airlines servicing San Francisco

Check out reviews from past customers who have flown with TAP AIR PORTUGAL from Lisbon to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

TAP AIR PORTUGAL

7.2

Good

2,382 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.

TAP AIR PORTUGAL

7.2

Good

2,382 reviews

TAP AIR PORTUGAL

7.2

Good

2,382 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.

Related info for your journey

How long is the flight from Lisbon to San Francisco?
Airlines like Scandinavian Airlines and Delta fly from Lisbon to San Francisco in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 25h 35m. There are 5664 mi between Lisbon and San Francisco. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Lisbon to San Francisco round-trip?
According to our current data, TAP AIR PORTUGAL (£512), offers the cheapest pricing from Lisbon to San Francisco. Users have found that TAP AIR PORTUGAL is 22% cheaper than the other options available to this destination.
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 (76%), JetBlue (74%) and TAP AIR PORTUGAL (74%).
What are the cheapest flights from Lisbon to San Francisco?
While on average a flight from Lisbon to San Francisco is generally £1,331, our data shows the cheapest flight currently is £1,331. When looking at the most popular route, (Lisbon Humberto Delgado - San Francisco), you can expect to pay £870 for that flight.
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 £537). Flying from Lisbon to San Francisco in July is currently the most expensive (average of £825). 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

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Sunnyvale

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Top airline flying from Lisbon to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£512	Average£685	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights

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How does Cheapflights help users find flights from Lisbon to San Francisco?

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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Cheap flights from Lisbon to San Francisco from £445

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Lisbon to San Francisco

Cheapest flights from Lisbon to San FranciscoExplore 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 3 September 2026.

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 3 September 2026.

Best flights from Lisbon to San FranciscoDiscover carefully curated flight deals from Lisbon to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Discover carefully curated flight deals from Lisbon to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Direct flights from Lisbon to San FranciscoExplore direct flight options from Lisbon to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Explore direct flight options from Lisbon to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Last-minute flights from Lisbon to San FranciscoDiscover last-minute flight deals from Lisbon to San Francisco. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from Lisbon to San Francisco. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Lisbon to San FranciscoSearch for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Find flight deals from Lisbon to San Francisco

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Good one-way deal

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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?

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 £586 and £759 in November.The cheapest return price found within the last 5 days was £445 on Scandinavian Airlines (10 Nov–8 Mar).

How often are flights from Lisbon to San Francisco delayed?

About 18% of weekly flights between Lisbon and San Francisco have experienced delays in the past year, with the average delay time being 108 minutes.

What is the most punctual flight time for Lisbon to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Lisbon to San Francisco flights?

Over the past year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 18% of flights being delayed.

Reviews of airlines servicing San Francisco

Check out reviews from past customers who have flown with TAP AIR PORTUGAL from Lisbon to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Lisbon to San Francisco?

What is the cheapest airline to fly from Lisbon to San Francisco round-trip?

What are the most reliable airlines from Lisbon to San Francisco?

What are the cheapest flights from Lisbon to San Francisco?

Can I find deals for flights from Lisbon to San Francisco that include hotel bookings?

How can I find direct flights from Lisbon to San Francisco?

Can I find deals for business class flights from Lisbon to San Francisco?

What is the cheapest month to book a flight from Lisbon to San Francisco?

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Lisbon and San Francisco flights

Browse other Lisbon and San Francisco flight options. Last updated on 3 September 2026.

Other flights from Lisbon

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Top airline flying from Lisbon to San Francisco

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How does Cheapflights help users find flights from Lisbon to San Francisco?

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

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

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

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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 3 September 2026.

Best flights from Lisbon to San Francisco
Discover carefully curated flight deals from Lisbon to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Direct flights from Lisbon to San Francisco
Explore direct flight options from Lisbon to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Last-minute flights from Lisbon to San Francisco
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Lisbon to San Francisco
Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Lisbon to San Francisco flights typically cost between £586 and £759 in November.
The cheapest return price found within the last 5 days was £445 on Scandinavian Airlines (10 Nov–8 Mar).