Price observed over the last 3 months for a round trip.
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Outbound November 20, 2026 · Inbound December 5, 2026
Cheapest flight tickets
Price observed over the last 3 months for a round trip.
Average price of a round trip
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
A flight from Lisbon to San Francisco takes on average 12h40.
Best time
According to user searches, the ideal month to go to San Francisco is November.
Check out our tips for booking your flight to San Francisco (USA) from Lisbon (Portugal) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is January, with an average flight ticket price of $683 (calculation over the last two years). The most touristic season corresponds to the months of November, October and September.
For the cheapest flights, it is advisable to buy your ticket at least 50 days before the departure date.
The airline offering the cheapest flight tickets is Vueling. A ticket from the airline Vueling to San Francisco costs on average $716.
The airlines that offer the most flights are TAP Air Portugal and TAP Air Portugal.
Lisbon is a city in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {fromLocalTime}, the temperature is on average 17°C, with a minimum of 13°C and a maximum of 22°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
San Francisco is in the country USA, the time zone is [[timezone]]. In San Francisco, it is currently {toLocalTime}, the temperature is on average 16°C, with a minimum of 14°C and a maximum of 18°C.
The city of San Francisco has 1 airport(s): San Francisco
If you want to visit San Francisco during the least touristic period, choose the month of November.
In San Francisco, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
According to our data, it is recommended to book your flight 50 days before your departure. If you book your flight ticket 8 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Lisbon to San Francisco is Friday.
When you leave, you can leave from Lisbon-Humberto Delgado, and you will arrive at San Francisco or San Jose-Norman Y. Mineta.
This information is not available at this time.
Airplane is the only means of transportation listed on Liligo for this journey.
In summer, the average temperature is 17°C in San Francisco and 21°C in Lisbon. The average rainfall in summer is 2 mm in San Francisco and 6 mm in Lisbon. In summer, it is warmer in Lisbon and it rains less in San Francisco. In winter, it is colder in Lisbon and it rains more in San Francisco.