Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from San Francisco to Lisbon
Compare all flight tickets and find cheap flights from San Francisco to Lisbon
The cheapest flights right now
San Francisco – Lisbon
Outbound – Oct 6, 2026
direct
11h 15m Return – Oct 20, 2026
direct
12h 35m $728
yesterday
San Francisco – Lisbon
Outbound – Oct 18, 2026
1 stop
13h 30m YYZ
Return – Nov 3, 2026
1 stop
16h 43m YUL
$727
2 days ago
San Francisco – Lisbon
Outbound – Oct 18, 2026
1 stop
14h 10m YUL
Return – Nov 3, 2026
1 stop
16h 43m YUL
$723
2 days ago
San Francisco – Lisbon
Outbound – Oct 18, 2026
1 stop
13h 30m YYZ
Return – Nov 3, 2026
1 stop
18h 10m YYZ
$768
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
$495
Average price of a round trip
$911
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
27h19
A flight from San Francisco to Lisbon takes on average 27h19.
Best time
April
According to user searches, the ideal month to go to Lisbon is April.
Tips for finding a cheap flight from San Francisco to Lisbon
Check out our tips for booking your flight to Lisbon (Portugal) from San Francisco (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is April, with an average flight ticket price of $518 (calculation over the last two years). The most touristic season corresponds to the months of November, August and April.
For the cheapest flights, it is advisable to buy your ticket at least 233 days before the departure date.
The airline offering the cheapest flight tickets is United Airlines. A ticket from the airline United Airlines to Lisbon costs on average $634.
The airlines that offer the most flights are .
Price of flight tickets from San Francisco to Lisbon
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $495 to $1118
- The average price of a flight ticket is about $911
- Prices are lowest for stays in the month of April
- The month in which booking a ticket is cheaper is: November
info departure city :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :
San Francisco is a city in the country USA, the time zone is [[timezone]]. In San Francisco, it is currently {fromLocalTime}, the temperature is on average 17°C, with a minimum of 15°C and a maximum of 21°C.
The city of San Francisco has 1 airport(s): San Francisco
destination info :
Lisbon, Portugal
airport :
Lisbon-Humberto Delgado Airport (LIS)
local time :
Lisbon is in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {toLocalTime}, the temperature is on average 27°C, with a minimum of 24°C and a maximum of 31°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
Useful info about Lisbon
What is the least touristic period to go to Lisbon?
If you want to visit Lisbon during the least touristic period, choose the month of April.
What is the most popular time to travel to Lisbon?
In Lisbon, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from San Francisco to Lisbon?
According to our data, it is recommended to book your flight 233 days before your departure. If you book your flight ticket 34 weeks before your departure, you may find a price below average. You can also choose morning flights that are 18% cheaper than afternoon and evening flights. The cheapest day to book a flight from San Francisco to Lisbon is Sunday.
What are the arrival and destination airports when traveling between San Francisco and Lisbon?
When you leave, you can leave from San Francisco, and you will arrive at Lisbon-Humberto Delgado.
How to reach San Francisco airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from San Francisco to Lisbon?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between San Francisco and Lisbon?
In summer, the average temperature is 21°C in Lisbon and 17°C in San Francisco. The average rainfall in summer is 5 mm in Lisbon and 2 mm in San Francisco. 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.