Cheap Flights from Lisbon to San Francisco International

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.R 5,921 per passenger.Departing Sun, 28 Sep.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Sun, 28 Sep, arriving in San Francisco International.Price includes taxes and charges.From R 5,921, select.

San Francisco.R 6,116 per passenger.Departing Wed, 1 Oct.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Wed, 1 Oct, arriving in San Francisco International.Price includes taxes and charges.From R 6,116, select.

San Francisco.R 6,910 per passenger.Departing Wed, 25 Jun.One-way flight with Transavia France.Outbound indirect flight with Transavia France, departs from Lisbon on Wed, 25 Jun, arriving in San Francisco International.Price includes taxes and charges.From R 6,910, select.

San Francisco.R 7,088 per passenger.Departing Wed, 2 Jul.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Wed, 2 Jul, arriving in San Francisco International.Price includes taxes and charges.From R 7,088, select.

San Francisco.R 7,173 per passenger.Departing Thu, 28 Aug.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Lisbon on Thu, 28 Aug, arriving in San Francisco International.Price includes taxes and charges.From R 7,173, select.

San Francisco.R 7,698 per passenger.Departing Wed, 28 Jan.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Lisbon on Wed, 28 Jan, arriving in San Francisco International.Price includes taxes and charges.From R 7,698, select.

San Francisco.R 8,280 per passenger.Departing Wed, 18 Feb.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Lisbon on Wed, 18 Feb, arriving in San Francisco International.Price includes taxes and charges.From R 8,280, select.

San Francisco.R 8,341 per passenger.Departing Mon, 15 Dec.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Mon, 15 Dec, arriving in San Francisco International.Price includes taxes and charges.From R 8,341, 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 September.

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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	R 5,921
Cheapest month to fly	September
Average flight time	12 hrs, 42 mins
Most popular airline	TAP Air Portugal
Average flights per week	12

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

How much are return flights from Lisbon to San Francisco International?

The best price we found for a return flight from Lisbon to San Francisco International is R 11,143. 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.

How long does it take to fly from Lisbon to San Francisco International?

12 hours and 42 minutes is the average flight time from Lisbon to San Francisco International.

Which airlines fly direct from Lisbon to San Francisco International?

TAP Air Portugal, jetBlue and Etihad Airways fly direct from Lisbon to San Francisco International.

How many flights are there a week from Lisbon to San Francisco International?

As of June 2025, there are 12 flights per week flying from Lisbon to San Francisco International.

When is the cheapest time to fly from Lisbon to San Francisco International?

The cheapest month to fly from Lisbon to San Francisco International is usually June 2025.

Which upcoming date is cheapest to fly from Lisbon Airport to San Francisco International Airport on?

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 Tuesday, 23 September 2025.

Can I get a direct flight from Lisbon Airport to San Francisco International Airport?

Yes – the average flight time is 12 hours and 42 minutes.

How can I find the best flight deal to San Francisco International?

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.

When is the best time to book flights to San Francisco?

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.

Which is the cheapest airline to fly from Lisbon Airport to San Francisco International with?

Currently, LEVEL 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

Around 12 hours 50 minutes is how long you can expect to be in the air on a direct flight from Lisbon Portela Airport to San Francisco International Airport.
San Francisco is seven hours behind Lisbon and is in the UTC-7 timezone.
Take your pick of six weekly Lisbon Portela Airport to San Francisco International Airport flights. The 09:10 departure with TAP Portugal is the earliest available. TAP Portugal operates the latest service of the day at 09:55.
Your LIS to SFO flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
You can expect longer queues in popular months like June. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.
Travelling to San Francisco (and then discovering more of United States!) is a cinch with TAP Portugal. This popular airline has direct flights from Lisbon Portela Airport to San Francisco International Airport.
The majority of passengers choose to travel with TAP Portugal on this route.
TAP Portugal is the most punctual carrier offering LIS to SFO flights. A dependable 91.18% of its services on this route land as scheduled.
If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Lisbon Portela Airport to San Francisco International Airport. These are the top stopovers between LIS and SFO:
- Pearson International Airport
- London Heathrow Airport
- Charles de Gaulle Airport

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

At the moment, R 5,921 is the lowest price we've seen for a one-way Lisbon Portela Airport to San Francisco International Airport flight. The best price for a return plane ticket is R 11,143. Bear in mind that fares could change due to availability at the time of booking.
Get cheap tickets from LIS to SFO by booking at least seven months ahead. According to our research, that's the sweet spot for finding a bargain.
June is the cheapest month for flights from Lisbon Portela Airport to San Francisco International Airport. If you need to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.
Save time looking for cheap flights from LIS to SFO by creating a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.
Tailor your flights with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Lisbon Portela Airport to San Francisco International Airport.

Handy information about Lisbon Portela Airport (LIS)

64.1% of flights that depart Lisbon Portela Airport reach their destination on time.
Central Lisbon to Lisbon Portela Airport is around 10 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.
Expect a trip time of about 1 hour when using public transport.
Searching for a handy hotel close to LIS? If you're boarding an early flight from Lisbon Portela Airport to San Francisco International Airport, these stays will have you moments from your departure gate:

Arriving at San Francisco International Airport (SFO)

If you have a late Lisbon Portela Airport to San Francisco International Airport flight, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be tucked up in bed shortly after at one of these hotels near SFO:
Explore without limits with a San Francisco International Airport rental car. Pick up your wheels from Dollar, Thrifty or Hertz and find adventure across San Francisco and beyond.
For the best deal, reserve your vehicle from San Francisco International Airport around one week before you travel.

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

San Francisco International Airport to central San Francisco has a drive time of around 20 minutes. It's approximately 21 kilometres away.
Travelling on public transport typically takes 45 minutes.

When to fly to San Francisco International Airport (SFO)

August is the busiest month for flights from Lisbon Portela Airport to San Francisco International Airport. For a quieter experience, visit San Francisco in February.
The warmest month in San Francisco is September, with the temperature ranging between 12ºC (54ºF) and 22ºC (72ºF). Book your flights from Lisbon Portela Airport to San Francisco International Airport in this month if this is the kind of weather you like.
If you want cooler conditions, search for a cheap ticket from LIS to SFO in January. Temperatures average between 6ºC (43ºF) and 16ºC (61ºF) then.

Explore more of United States

San Francisco is always a good idea, but there are so many other parts of United States waiting to be discovered. About 64 kilometres south-east of San Francisco, a trip to San Jose will keep your itinerary busy. Don't miss top attractions like Winchester Mystery House, Rosicrucian Egyptian Museum and San Jose Museum of Art.
Around 257 kilometres south-east of San Francisco, Fresno is another favourite stop in United States. No visit is complete without checking out Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.