£429 Find cheap flights from Lisbon to San Francisco

If you are flying economy class from Lisbon to San Francisco, each airline operating this route will allow you to bring one carry-on bag and one personal item on board. Because this is a long-haul flight, the airlines will also allow one free checked bag. If you need to check more than one bag, however, it may be worth upgrading your seat, especially if you are flying TAP Air Portugal or British Airways, as they will offer you two free checked bags if you are flying in premium or business class.

The airline you choose to fly with will determine your layovers. For example, Lufthansa has a layover in either Munich (MUC) or Frankfurt (FRA), British Airways has a layover in London (LHR), Swiss Airlines has a layover in Zurich (ZRH), Brussels Airlines has a layover in New York (EWR), American Airlines stops in either London (LHR) or Philadelphia (PHL), and KLM stops in Amsterdam (AMS).

First of all, take public transport to the airport in Lisbon (LIS) and to Downtown San Francisco after you land at SFO. Next, consider booking a direct flight with TAP Air Portugal. Not only is TAP Air Portugal a sustainable airline, but this also cuts down on the amount of landings and takeoffs en route, which means less fuel consumed. Finally, pack light to reduce the weight on the plane.

American citizens flying from Lisbon to San Francisco will need their valid passport. Portuguese citizens will need a valid passport. Portuguese citizens will also need to apply in advance for an Electronic Travel Authorization, ESTA under the Visa Waiver Program.

In the last 3 days, the lowest price for a flight from Lisbon to San Francisco was £538 for a one-way ticket and £595 for a return.

On your way to San Francisco, you’ll fly out from Lisbon Humberto Delgado. You’ll be landing at San Francisco.

The Airbus A330-900neo is the aircraft model that flies most regularly on the Lisbon to San Francisco flight route.

Star Alliance is the only airline alliance operating flights between Lisbon and San Francisco.

You can catch a direct flight from Lisbon to San Francisco on on Monday, Tuesday, Wednesday, Friday, Saturday, and Sunday.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Lisbon to San Francisco.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Lisbon is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to Lisbon with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Lisbon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.