Question 1

How popular is this San Francisco to Lisbon flight route?

Accepted Answer

Within the past month, 7 users have taken a look at flights from San Francisco to Lisbon Humberto Delgado.

Question 2

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

Accepted Answer

Flying on Delta is currently your cheapest option to Lisbon, with prices starting at C$ 889. Additional round-trip tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at C$ 890 and C$ 892, respectively. Delta is currently priced 23% below the average price you’ll pay for this route.

Question 3

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

Accepted Answer

One-way options have recently been found by users for as low as C$ 440 on British Airways. Other airlines that offer cheap prices include Finnair from C$ 446 and TAP AIR PORTUGAL from C$ 450 one-way.

Question 4

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from San Francisco to Lisbon, you should look to book at least 89 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 5

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of C$ 482). Flying from San Francisco to Lisbon in July is currently the most expensive (average of C$ 780). 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 6

What is the cheapest day to fly from San Francisco to Lisbon?

Accepted Answer

Travelers seeking maximum savings on their San Francisco to Lisbon flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Lisbon ranges from 6.0 - 122.0 mm per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Question 9

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

Accepted Answer

Consider JetBlue (82%), TAP AIR PORTUGAL (82%) or Etihad Airways (57%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Lisbon.

Question 10

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

Accepted Answer

Flights from San Francisco to Lisbon are generally found to be more expensive on Thursday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Lisbon.

Question 11

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

Accepted Answer

Users have found that booking a flight from San Francisco to Lisbon at least 33 days early can save you up to 14% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from San Francisco to Lisbon for as little as C$ 1,082 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 1,376 for flights departing within the next 3 days.

Question 12

What is the cheapest month to fly from San Francisco to Lisbon?

Accepted Answer

Flights from San Francisco to Lisbon lean towards being more expensive in December. Prices are generally better when you fly from San Francisco to Lisbon in January, with the cheapest ticket starting at C$ 730.

Question 13

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

Accepted Answer

It’s optimal to fly from San Francisco to Lisbon at noon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the afternoon.

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Lisbon.

Question 16

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

Accepted Answer

Yes. Cheapflights offers flight deals from San Francisco to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 17

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

Accepted Answer

Cheapflights makes it easy to find San Francisco to Lisbon flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 18

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

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Lisbon from San Francisco.

Question 19

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

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Lisbon, users can toggle the no change fees filter when performing a flight search.

Question 20

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

Accepted Answer

Yes, Cheapflights offers price alerts on San Francisco to Lisbon flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	C$ 889
One-way from	C$ 440
Popular in	December
Cheapest in	January
Average price	C$ 1,307

Cheap flights from San Francisco to Lisbon from C$ 440

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from San Francisco to LisbonExplore the most affordable flight options available from San Francisco to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Explore the most affordable flight options available from San Francisco to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

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

Best time to book a flight from San Francisco to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from San Francisco with our price prediction graph.

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Everything you need to know about your flight from San Francisco to Lisbon

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Lisbon. Price data was last updated on 25 July 2025.

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

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

Find hourly flight availability from San Francisco to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated 29 July 2025.

Check out reviews from past customers who have flown with Delta,Finnair, andSWISS from San Francisco to Lisbon 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

Find useful and relevant information for your journey from San Francisco to Lisbon. 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 San Francisco to Lisbon flight route?

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

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

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

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

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

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

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

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

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

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

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

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Cheapest flights from San Francisco to Lisbon
Explore the most affordable flight options available from San Francisco to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.