Cheap Flights from San Francisco International to Lisbon

Compare San Francisco International to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

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Flight deals from San Francisco International to Lisbon

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Lisbon? Find the lowest prices on one-way and return tickets right here.

Lisbon.452 € per passenger.Departing Fri, 7 Nov, returning Tue, 11 Nov.Return flight with Finnair.Outbound indirect flight with Finnair, departs from San Francisco International on Fri, 7 Nov, arriving in Lisbon.Inbound indirect flight with Finnair, departs from Lisbon on Tue, 11 Nov, arriving in San Francisco International.Price includes taxes and charges.From 452 €, select.

Lisbon.453 € per passenger.Departing Mon, 27 Oct, returning Mon, 3 Nov.Return flight with Finnair.Outbound indirect flight with Finnair, departs from San Francisco International on Mon, 27 Oct, arriving in Lisbon.Inbound indirect flight with Finnair, departs from Lisbon on Mon, 3 Nov, arriving in San Francisco International.Price includes taxes and charges.From 453 €, select.

Lisbon.458 € per passenger.Departing Thu, 8 Jan, returning Thu, 15 Jan.Return flight with Finnair.Outbound indirect flight with Finnair, departs from San Francisco International on Thu, 8 Jan, arriving in Lisbon.Inbound indirect flight with Finnair, departs from Lisbon on Thu, 15 Jan, arriving in San Francisco International.Price includes taxes and charges.From 458 €, select.

Lisbon.458 € per passenger.Departing Fri, 26 Dec, returning Sat, 10 Jan.Return flight with Finnair.Outbound indirect flight with Finnair, departs from San Francisco International on Fri, 26 Dec, arriving in Lisbon.Inbound indirect flight with Finnair, departs from Lisbon on Sat, 10 Jan, arriving in San Francisco International.Price includes taxes and charges.From 458 €, select.

Lisbon.459 € per passenger.Departing Wed, 26 Nov, returning Wed, 3 Dec.Return flight with Finnair.Outbound indirect flight with Finnair, departs from San Francisco International on Wed, 26 Nov, arriving in Lisbon.Inbound indirect flight with Finnair, departs from Lisbon on Wed, 3 Dec, arriving in San Francisco International.Price includes taxes and charges.From 459 €, select.

Lisbon.469 € per passenger.Departing Thu, 4 Dec, returning Thu, 18 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from San Francisco International on Thu, 4 Dec, arriving in Lisbon.Inbound indirect flight with Air Canada, departs from Lisbon on Thu, 18 Dec, arriving in San Francisco International.Price includes taxes and charges.From 469 €, select.

Lisbon.470 € per passenger.Departing Tue, 1 Apr, returning Tue, 8 Apr.Return flight with SWISS.Outbound indirect flight with SWISS, departs from San Francisco International on Tue, 1 Apr, arriving in Lisbon.Inbound indirect flight with SWISS, departs from Lisbon on Tue, 8 Apr, arriving in San Francisco International.Price includes taxes and charges.From 470 €, select.

Lisbon.472 € per passenger.Departing Wed, 26 Mar, returning Wed, 9 Apr.Return flight with SWISS.Outbound indirect flight with SWISS, departs from San Francisco International on Wed, 26 Mar, arriving in Lisbon.Inbound indirect flight with SWISS, departs from Lisbon on Wed, 9 Apr, arriving in San Francisco International.Price includes taxes and charges.From 472 €, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Lisbon flights are currently cheapest in November.

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Direct flights from San Francisco International to Lisbon

San Francisco International to Lisbon: Alternative routes

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

San Francisco to Lisbon: Flight information

The things to know before you go.

Cheapest flight found	452 €
Cheapest month to fly	November
Average flight time	11 hrs, 3 mins
Most popular airline	TAP Air Portugal
Average flights per week	12

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

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

The best price we found for a return flight from San Francisco International to Lisbon is 452 €. 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 San Francisco International to Lisbon?

11 hours and 3 minutes is the average flight time from San Francisco International to Lisbon.

Which airlines fly direct from San Francisco International to Lisbon?

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

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

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

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Lisbon Airport on Friday, 7 November 2025.

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

Yes – the average flight time is 11 hours and 3 minutes.

How can I find the best flight deal to Lisbon?

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 Lisbon 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 Lisbon?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.

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

Currently, Finnair and TAP Air Portugal offer the cheapest flight tickets to Lisbon.

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

11 hours 4 minutes is the average length of a direct flight from San Francisco International Airport to Lisbon Portela Airport. Lisbon is 7 hours ahead of San Francisco and is in the UTC+0 timezone.
Every week, there are 5 flights from San Francisco International Airport to Lisbon Portela Airport. To be on board as soon as possible, pick the 09:10 TAP Portugal flight. If you're keen to make the most of your time before you fly, the last departure from SFO to LIS is 19:55 with TAP Portugal.
During popular months like August, you'll want to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead of international flights when you fly during a peak period in general.
We make it a cinch to get a flight with a stopover. To look at your options for flights from San Francisco International Airport to Lisbon Portela Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Popular stopovers between SFO and LIS are:
- London Heathrow Airport
- Washington Dulles International Airport
- Pearson International Airport
To find out whether you need a visa to enter Portugal, contact your airline and the local consulate or embassy. They'll have the most up-to-date details, including other paperwork you may need after booking your cheap ticket from SFO to LIS.

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

The lowest price we've found for a one-way ticket from San Francisco International Airport to Lisbon Portela Airport is 217 €. For a return flight on this route, the best price is 452 €. Depending on the availability when you book, these fares could change.
Get cheap tickets from SFO to LIS by booking 2 months ahead. According to our research, that's the sweet spot for landing a bargain.
The cheapest month for tickets from San Francisco International Airport to Lisbon Portela Airport is October. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.
Finding a cheap ticket from SFO to LIS couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as the price has fallen.
Use filters to find the best trip for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from San Francisco International Airport to Lisbon Portela Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about San Francisco International Airport (SFO)

Located around 21 kilometres from the centre of San Francisco, San Francisco International Airport can be reached in about 20 minutes by car, depending on traffic. The same journey by public transport is roughly 47 minutes.
Want an easy start to your journey? Stay near SFO. Whether you're taking an early flight from San Francisco International Airport to Lisbon Portela Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Lisbon Portela Airport (LIS)

If you're arriving on a late flight from San Francisco International Airport to Lisbon Portela Airport, few things top the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and relaxing not long after at one of these hotels near LIS:

Getting from Lisbon Portela Airport (LIS) to central Lisbon

From Lisbon Portela Airport, Lisbon is approximately 10 kilometres away. It takes around 22 minutes to get to the centre driving.
Travelling by public transport takes roughly 59 minutes.

When to fly to Lisbon Portela Airport (LIS)

It's time to plan your trip dates for your flight from San Francisco International Airport to Lisbon Portela Airport. June is the most popular month to visit Lisbon. If you like a quieter vibe, go in February.
Book your flight from San Francisco International Airport to Lisbon Portela Airport for August if you'd like to explore Lisbon during its warmest month. Expect temperatures of between 16ºC and 29ºC.
Look for cheap tickets from SFO to LIS in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC and 16ºC on average.

More about Lisbon

Once you've locked in your flights from SFO to LIS, you'll want to find a place to stay in Lisbon. Make one of these accommodation options your base for exploring this popular destination:
Torre de Belem Garden and Estrela At Lisbon - Tram 28 are just two of the popular attractions to put on your Lisbon itinerary. Keep the momentum going by heading to Archaeological museum of Sao Jorge Castle.

Complete your Lisbon trip with hotels and a car rental

Once you've secured your cheap ticket to Lisbon Portela Airport, explore the lowest prices and exclusive offers on hotels. You can also compare a range of car rental companies in one go to get the best car rental price for your Lisbon escape.