Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 12% of flights being delayed.

Question 3

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

Accepted Answer

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.

Question 4

How often are flights from Lisbon to San Francisco delayed?

Accepted Answer

About 12% of weekly flights between Lisbon and San Francisco have experienced delays in the past year, with the average delay time being 119 minutes.

Question 5

How long is the flight from Lisbon to San Francisco?

Accepted Answer

For as low as $718, United Airlines can have you in San Francisco from Lisbon in 14h 45m. Airlines will cover a distance of 5664 mi. Both multi-stop and nonstop flights can be found to your destination and back.

Question 6

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

Accepted Answer

Our cheapest airline available from Lisbon to San Francisco is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $604 on this airline. Additional options worth looking into are Delta and British Airways, starting at $629 and $642 round-trip. You may be able to fly from Lisbon to San Francisco for 26% less than the average price by searching for these airlines.

Question 7

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

Accepted Answer

$322 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Iberia and LEVEL, with prices starting from $324 and $328, respectively.

Question 8

How far ahead should I book a flight from Lisbon to San Francisco?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Lisbon to San Francisco, you should look to book at least 39 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.

Question 9

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Lisbon to San Francisco (average of $572). Flying from Lisbon to San Francisco in March is currently the most expensive (average of $695). 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.

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Question 11

E

Accepted Answer

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Question 12

What are the cheapest flights from Lisbon to San Francisco?

Accepted Answer

The cheapest flight price from Lisbon to San Francisco is $714. On average you can expect to pay $1,725. The most popular route, (Lisbon Humberto Delgado - San Francisco), can usually be booked for $630.

Question 13

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

Accepted Answer

The top 3 most reliable airlines when flying from Lisbon to San Francisco are Etihad Airways (81%), JetBlue (81%) and TAP AIR PORTUGAL (81%).

Question 14

What are the most popular airlines that fly from Lisbon to San Francisco?

Accepted Answer

Before booking your flight from Lisbon to San Francisco check out the most popular airlines for this route: TAP AIR PORTUGAL, Delta or United Airlines.

Question 15

What is the cheapest time of day to fly from LIS to SFO?

Accepted Answer

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.

Question 16

E

Accepted Answer

Most accurate provider: When it comes to deals on Lisbon-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-San Francisco flight searches over the past month and is updated monthly.

Question 17

E

Accepted Answer

Most trusted provider: When it comes to deals on Lisbon-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 18

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

Accepted Answer

Yes. In addition to deals on Lisbon to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

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.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$563 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$873
Good round-trip deal	$753 or less
Good one-way deal	$854 or less

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*2 stars
Thrive Travel	Price Accuracy3 stars	Trust Score*2 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest$604	Average$873	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$629	Average$766	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$642	Average$755	FlexibilityNo cancel fee	On-time70%
Air France	Cheapest$657	Average$829	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$693	Average$844	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$708	Average$857	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$764	Average$895	FlexibilityNo cancel fee	On-time69%

Cheap flights from Lisbon (LIS) to San Francisco (SFO)

Find cheap flights from Lisbon to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Lisbon to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Compare providers for flights from Lisbon to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to San Francisco in March.

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

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?

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?

How often are flights from Lisbon to San Francisco delayed?

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

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

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

The best insider tips for Lisbon to San Francisco flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Lisbon to San Francisco trip

Our travel experts

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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 long is the flight from Lisbon to San Francisco?

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

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

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?

Traveling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Lisbon to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Lisbon to San Francisco by cabin class

Find flights from Lisbon to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Lisbon and San Francisco flights

Browse other Lisbon and San Francisco flight options. Last updated on March 8, 2026.

Other flights from Lisbon

Browse through other flights departing from Lisbon. Flights are based on user searches made on Cheapflights and were last updated on March 8, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to San Francisco

Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 8, 2026.

Top 7 airlines flying from Lisbon to San Francisco

100% Free

Book with Flexibility

Travel Smart