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Cheap Flights from Lisbon to San Francisco

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Compare Lisbon to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Lisbon to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Lisbon to San Francisco International? Find the lowest prices on one-way and return tickets right here.
San Francisco.$1,027 per passenger.Departing Mon, 15 Sep, returning Sun, 19 Oct.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Mon, 15 Sep, arriving in San Francisco International.Inbound indirect flight with Iberia, departs from San Francisco International on Sun, 19 Oct, arriving in Lisbon.Price includes taxes and charges.From $1,027, select.
San Francisco.$1,032 per passenger.Departing Wed, 4 Feb, returning Thu, 19 Feb.Return flight with TAP Air Portugal and Scandinavian Airlines.Outbound indirect flight with TAP Air Portugal, departs from Lisbon on Wed, 4 Feb, arriving in San Francisco International.Inbound indirect flight with Scandinavian Airlines, departs from San Francisco International on Thu, 19 Feb, arriving in Lisbon.Price includes taxes and charges.From $1,032, select.
San Francisco.$1,044 per passenger.Departing Wed, 4 Mar, returning Sat, 14 Mar.Return flight with TAP Air Portugal and Scandinavian Airlines.Outbound indirect flight with TAP Air Portugal, departs from Lisbon on Wed, 4 Mar, arriving in San Francisco International.Inbound indirect flight with Scandinavian Airlines, departs from San Francisco International on Sat, 14 Mar, arriving in Lisbon.Price includes taxes and charges.From $1,044, select.
San Francisco.$1,048 per passenger.Departing Wed, 10 Sep, returning Tue, 30 Sep.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Wed, 10 Sep, arriving in San Francisco International.Inbound indirect flight with Iberia, departs from San Francisco International on Tue, 30 Sep, arriving in Lisbon.Price includes taxes and charges.From $1,048, select.
San Francisco.$1,055 per passenger.Departing Thu, 17 Apr, returning Sun, 27 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Lisbon on Thu, 17 Apr, arriving in San Francisco International.Inbound indirect flight with Delta, departs from San Francisco International on Sun, 27 Apr, arriving in Lisbon.Price includes taxes and charges.From $1,055, select.
San Francisco.$1,055 per passenger.Departing Mon, 21 Apr, returning Wed, 28 May.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Lisbon on Mon, 21 Apr, arriving in San Francisco International.Inbound indirect flight with Air France, departs from San Francisco International on Wed, 28 May, arriving in Lisbon.Price includes taxes and charges.From $1,055, select.
San Francisco.$1,055 per passenger.Departing Tue, 20 May, returning Tue, 24 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Lisbon on Tue, 20 May, arriving in San Francisco International.Inbound indirect flight with Delta, departs from San Francisco International on Tue, 24 Jun, arriving in Lisbon.Price includes taxes and charges.From $1,055, select.
San Francisco.$1,055 per passenger.Departing Thu, 1 May, returning Tue, 13 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Lisbon on Thu, 1 May, arriving in San Francisco International.Inbound indirect flight with Delta, departs from San Francisco International on Tue, 13 May, arriving in Lisbon.Price includes taxes and charges.From $1,055, select.

Find the cheapest month to fly from Lisbon to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Lisbon to San Francisco International flights are currently cheapest in February.
Apr
from $1,055
May
from $1,055
Jun
from $1,061
Jul
from $1,316
Aug
from $1,074
Sep
from $1,048
Oct
from $1,138
Nov
from $1,171
Dec
from $1,112
Jan
from $1,203
Feb
from $1,032
Mar
from $1,044

Direct flights from Lisbon to San Francisco International

Lisbon to San Francisco International: Alternative routes

Compare routes from Lisbon to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Lisbon to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$1,027
Cheapest month to flySeptember
Average flight time12 hrs, 40 mins
Most popular airlineTAP Air Portugal
Average flights per week12

Finding cheap flights from Lisbon to San Francisco International: Frequently asked questions

The best price we found for a return flight from Lisbon to San Francisco International is $1,027. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
12 hours and 41 minutes is the average flight time from Lisbon to San Francisco International.
TAP Air Portugal, jetBlue and Etihad Airways fly direct from Lisbon to San Francisco International.
As of April 2025, there are 12 flights per week flying from Lisbon to San Francisco International.
The cheapest month to fly from Lisbon to San Francisco International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to San Francisco International Airport on Monday, 15 September 2025.
Yes – the average flight time is 12 hours and 41 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Iberia and TAP Air Portugal offer the cheapest flight tickets to San Francisco International.

Flying from Lisbon Portela Airport (LIS) to San Francisco International Airport (SFO): what you need to know

  • The average time for a direct flight from Lisbon Portela Airport to San Francisco International Airport is 12 hours 50 minutes. San Francisco's timezone is UTC-7, making San Francisco 7 hours behind Lisbon.

  • Choose from 6 weekly flights from Lisbon Portela Airport to San Francisco International Airport. The 09:10 departure with TAP Portugal is the earliest flight out between LIS and SFO. TAP Portugal operates the last service of the day at 19:55 if you're not into early starts.

  • Hopping on a plane during a peak month like June? High seasons (like summer, Christmas/New Year and spring break) can add another hour at security. Be extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • We make it a breeze to get a flight with a stopover. To see the options for flights from Lisbon Portela Airport to San Francisco International Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Popular stopovers between LIS and SFO include:

    • Pearson International Airport

    • Charles de Gaulle Airport

    • Newark Liberty International Airport

  • Before organising your cheap ticket from LIS to SFO, check if you need a visa to enter United States. Travel document and visa requirements can vary and are updated often. To get the most up-to-date information, contact the nearest embassy or consulate of the country you're going to.

How to find the cheapest flights from Lisbon Portela Airport (LIS) to San Francisco International Airport (SFO)

  • $460 is currently the best price for a one-way ticket from Lisbon Portela Airport to San Francisco International Airport. Return flights start from $1,027. These fares can change based on availability.

  • To get cheap flight tickets from LIS to SFO, book your journey 10 months ahead of your planned departure.

  • The cheapest month for tickets from Lisbon Portela Airport to San Francisco International Airport is June. Use the 'Whole month' tool to see the lowest airfares if you have flexible dates.

  • Sign into your online account or use the app to set up a Price Alert. We'll let you know right away if there's a cheaper deal on this route. It's easy to do, and it'll save you from checking for cheap flight tickets from LIS to SFO every day.

  • Tailor your flights using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Lisbon Portela Airport to San Francisco International Airport.

Handy information about Lisbon Portela Airport (LIS)

  • Located around 10 kilometres from central Lisbon, Lisbon Portela Airport can be reached in about 22 minutes by car (depending on traffic). The same journey by public transport takes roughly 59 minutes.

  • Want a leisurely start to your travels? Stay near LIS. Whether you're taking an early flight from Lisbon Portela Airport to San Francisco International Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport is approximately 21 kilometres from the centre of San Francisco. With your own car rental or if you're catching a cab, the drive is about 20 minutes.

  • Getting to the centre by public transport takes about 47 minutes.

When to fly to San Francisco International Airport (SFO)

  • August is the most popular month for flights from Lisbon Portela Airport to San Francisco International Airport. To steer clear of the crowds, travel to San Francisco in February.

  • The warmest month in San Francisco is September, with temperatures ranging between 12ºC and 22ºC. Lock in your flights from Lisbon Portela Airport to San Francisco International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 6ºC and 16ºC. Look for cheap flight tickets from LIS to SFO around that time if you like cooler conditions.

More about San Francisco

  • Start your San Francisco trip right by finding a great place to stay. After booking your flight from LIS to SFO, have a look at our hotel options including:

  • Golden Gate Bridge and Alcatraz Island are a couple of top attractions to add to your San Francisco travel itinerary. Keep the sightseeing going at Lombard Street.

Complete your San Francisco trip with hotels and a car rental

  • You've locked in your cheap ticket to San Francisco International Airport — next on the list is finding a great place to stay, and perhaps even a set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in San Francisco.

Plan the rest of your trip from Lisbon to San Francisco

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.