Cheap flights from San Francisco to Lisbon
Cheap return flights from San Francisco to Lisbon
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Lisbon flight facts
What you need to know
What are the cheapest airlines?
- Icelandair
- TAP Air Portugal
- Norwegian Air
These airlines usually offer the cheapest flights from San Francisco to Lisbon.
What airlines fly indirectly?
- British Airways
- Lufthansa
- Air France
These airlines fly from San Francisco to Lisbon, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from San Francisco to Lisbon.
Alternative flights from the UK to Lisbon
Check out prices for other routes
Alternative flights from San Francisco
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the San Francisco/Lisbon route. There are around 35 flights on any given week from the UK to Lisbon and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from San Francisco to Lisbon
Tips and advice from our flight experts
You've searched for flights from San Francisco to Lisbon. We've found 45 flights and compared them to give you the best offer. Icelandair is the average cheapest airline for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route from San Francisco to Lisbon on 16/04/2026 at 15:05 for £80.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 8,800 km flight from San Francisco to Lisbon.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. The best time to fly is during the shoulder seasons of spring and fall. TAP Air Portugal is a popular and affordable choice for this route, with an average flight duration of 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our hotel booking options or use our flight + hotel service to save time and money.
Other popular destinations near Lisbon
Where other people are flying to
