Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Lisbon to San Francisco
Compare all flight tickets and find cheap flights from Lisbon to San Francisco
The cheapest flights right now
Lisbon – San Francisco
Outbound – Sep 24, 2026
direct
12h 35m Return – Oct 8, 2026
direct
11h 15m $820
2 days ago
Lisbon – San Francisco
Outbound – Sep 24, 2026
1 stop
15h 35m FRA
Return – Oct 7, 2026
1 stop
13h 30m YYZ
$938
2 days ago
Lisbon – San Francisco
Outbound – Sep 24, 2026
1 stop
15h 55m FRA
Return – Oct 7, 2026
1 stop
13h 30m YYZ
$984
2 days ago
Lisbon – San Francisco
Outbound – Sep 24, 2026
1 stop
16h 10m IAD
Return – Oct 7, 2026
1 stop
13h 30m YYZ
$971
2 days ago
* 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.
Cheapest flight tickets
$708
Average price of a round trip
$735
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
20h7
A flight from Lisbon to San Francisco takes on average 20h7.
Best time
January
According to user searches, the ideal month to go to San Francisco is January.
Tips for finding a cheap flight from Lisbon to San Francisco
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 May, with an average flight ticket price of $808 (calculation over the last two years). The most touristic season corresponds to the months of May, May and October.
For the cheapest flights, it is advisable to buy your ticket at least 16 days before the departure date.
The airline offering the cheapest flight tickets is Swiss. A ticket from the airline Swiss to San Francisco costs on average $719.
The airlines that offer the most flights are .
info departure city :
Lisbon, Portugal
airport :
Lisbon-Humberto Delgado Airport (LIS)
local time :
Lisbon is a city in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {fromLocalTime}, the temperature is on average 23°C, with a minimum of 20°C and a maximum of 27°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
destination info :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :
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 13°C and a maximum of 23°C.
The city of San Francisco has 1 airport(s): San Francisco
Useful info about San Francisco
What is the least touristic period to go to San Francisco?
If you want to visit San Francisco during the least touristic period, choose the month of January.
What is the most popular time to travel to San Francisco?
In San Francisco, the most popular month is May. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Lisbon to San Francisco?
According to our data, it is recommended to book your flight 16 days before your departure. If you book your flight ticket 3 weeks before your departure, you may find a price below average. You can also choose morning flights that are 8% cheaper than afternoon and evening flights. The cheapest day to book a flight from Lisbon to San Francisco is Saturday.
What are the arrival and destination airports when traveling between Lisbon and San Francisco?
When you leave, you can leave from Lisbon-Humberto Delgado, and you will arrive at San Francisco.
How to reach Lisbon airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Lisbon to San Francisco?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Lisbon and San Francisco?
In summer, the average temperature is 17°C in San Francisco and 21°C in Lisbon. The average rainfall in summer is 1 mm in San Francisco and 5 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.