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.

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 October.

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 foundR 3,837
Cheapest month to flyOctober
Average flight time11 hrs, 6 mins
Most popular airlineTAP Air Portugal
Average flights per week11

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

The best price we found for a return flight from San Francisco International to Lisbon is R 8,526. 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.
11 hours and 6 minutes is the average flight time from San Francisco International to Lisbon.
TAP Air Portugal, jetBlue and Etihad Airways fly direct from San Francisco International to Lisbon.
As of July 2025, there are 11 flights per week flying from San Francisco International to Lisbon.
The cheapest month to fly from San Francisco International to Lisbon is usually September.
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 Tuesday, 23 September 2025.
Yes – the average flight time is 11 hours and 6 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 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.
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.
Currently, Iberia 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

  • Around 11 hours 5 minutes is how long you can expect to be in the air on a direct flight from San Francisco International Airport to Lisbon Portela Airport.

  • Lisbon is seven hours ahead of San Francisco and observes the UTC+0 timezone.

  • Flights from SFO to LIS start at 15:35 — the first with TAP Portugal. The latest departure is at 19:55 with TAP Portugal. In total, there are five weekly San Francisco International Airport to Lisbon Portela Airport flights.

  • Get to the airport on time so you don't miss your SFO to LIS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • You'll likely experience bigger queues during popular months like August. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.

  • TAP Portugal is your ticket to exploring Lisbon (and perhaps some other great parts of Portugal!). Browse the direct flights from San Francisco International Airport to Lisbon Portela Airport offered by this popular airline.

  • Most passengers choose to travel with TAP Portugal on this route.

  • Among carriers operating SFO to LIS flights, TAP Portugal has the highest rate of on-time arrivals.

  • Think about adding a stopover when booking your ticket from San Francisco International Airport to Lisbon Portela Airport. Just deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here are some options between SFO and LIS:

    • Washington Dulles International Airport

    • Logan International Airport

    • London Heathrow Airport

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

  • The cheapest price we've seen for a one-way San Francisco International Airport to Lisbon Portela Airport flight is R 3,837. A return plane ticket is currently R 8,526. Depending on the availability when you book, these fares can change.

  • Book 11 months before travelling. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from SFO to LIS.

  • October is the cheapest month for flights from San Francisco International Airport to Lisbon Portela Airport. If you want to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares for every month.

  • You won't have to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll update you as soon as there's a new deal on cheap flights from SFO to LIS.

  • Find the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from San Francisco International Airport to Lisbon Portela Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about San Francisco International Airport (SFO)

  • 77.36% of flights taking off from San Francisco International Airport arrive at their destination on schedule.

  • Central San Francisco to San Francisco International Airport is around 21 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a journey time of about 45 minutes when using public transport.

  • Looking for a convenient hotel near SFO? If you've booked an early flight from San Francisco International Airport to Lisbon Portela Airport, these accommodation options will have you sleeping moments from check-in:

Arriving at Lisbon Portela Airport (LIS)

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late San Francisco International Airport to Lisbon Portela Airport flight. Reserve one of these accommodation options near LIS instead:

  • Hit the road running by picking up a Lisbon Portela Airport rental car. Grab your wheels from Klass Wagen, Goldcar or OK Mobility and explore beyond Lisbon's usual tourist stops.

  • Lock in the best possible rate by reserving your ride from Lisbon Portela Airport about two weeks before your travel date.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is approximately 10 kilometres from the centre of Lisbon. Driving there takes about 20 minutes.

  • When travelling by public transport, expect a journey time of around 1 hour.

When to fly to Lisbon Portela Airport (LIS)

  • June is the busiest month for flights from San Francisco International Airport to Lisbon Portela Airport. To skip the crowds, head to Lisbon in January.

  • Book your flight from San Francisco International Airport to Lisbon Portela Airport for August if you'd like to go to Lisbon during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 29ºC (84ºF).

  • Look for cheap tickets from SFO to LIS in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC (46ºF) and 16ºC (61ºF) on average.

Explore more of Portugal

  • Lisbon is easy to fall in love with, but there are so many other parts of Portugal just waiting to be discovered. About 274 kilometres north of Lisbon, a trip to Porto will keep you on the move. Start with attractions like Livraria Lello, Ribeira District and The Douro River.

  • Amadora is another favourite destination in Portugal and is around 8 kilometres north-west of Lisbon. No journey is complete without visiting Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

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