Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from San Francisco to Seattle
Today’s flight suggestion for San Francisco - Seattle
Outbound December 3, 2026 · Inbound December 7, 2026
Today’s suggestion
9:40 AM
SFO 11:57 AM
SEA2h 17m
Direct
8:51 PM
SEA 11:02 PM
SFO2h 11m
Direct
From $135
7:00 AM
SFO 9:16 AM
SEA2h 16m
Direct
8:51 PM
SEA 11:02 PM
SFO2h 11m
Direct
From $135
10:40 AM
SFO 12:59 PM
SEA2h 19m
Direct
7:36 PM
SEA 9:48 PM
SFO2h 12m
Direct
From $135
Cheapest flight tickets
$100
Average price of a round trip
$187
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
2h13
A flight from San Francisco to Seattle takes on average 2h13.
Best time
December
According to user searches, the ideal month to go to Seattle is December.
Tips for finding a cheap flight from San Francisco to Seattle
Check out our tips for booking your flight to Seattle (USA) from San Francisco (USA) 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 $68 (calculation over the last two years). The most touristic season corresponds to the months of October, November and September.
For the cheapest flights, it is advisable to buy your ticket at least 21 days before the departure date.
The airline offering the cheapest flight tickets is Alaska Airlines. A ticket from the airline Alaska Airlines to Seattle costs on average $186.
The airlines that offer the most flights are Alaska Airlines, Asiana Airlines and United Airlines.
Price of flight tickets from San Francisco to Seattle
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $100 to $397
- The average price of a flight ticket is about $187
- Prices are lowest for stays in the month of January
- 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 15°C, with a minimum of 13°C and a maximum of 17°C.
The city of San Francisco has 1 airport(s): San Francisco
destination info :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :
Seattle is in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {toLocalTime}, the temperature is on average 10°C, with a minimum of 5°C and a maximum of 14°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Useful info about Seattle
What is the least touristic period to go to Seattle?
If you want to visit Seattle during the least touristic period, choose the month of December.
What is the most popular time to travel to Seattle?
In Seattle, the most popular month is October. 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 Seattle?
According to our data, it is recommended to book your flight 21 days before your departure. If you book your flight ticket 4 weeks before your departure, you may find a price below average. The cheapest day to book a flight from San Francisco to Seattle is Wednesday.
What are the arrival and destination airports when traveling between San Francisco and Seattle?
When you leave, you can leave from San Francisco, and you will arrive at Seattle-Tacoma or Snohomish County.
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 Seattle?
The journey from San Francisco to Seattle can also be done by train. Search on Liligo to compare the different means of transportation.
Are there big differences in weather between San Francisco and Seattle?
In summer, the average temperature is 18°C in Seattle and 17°C in San Francisco. The average rainfall in summer is 38 mm in Seattle and 2 mm in San Francisco. In summer, it is warmer in Seattle and it rains less in San Francisco. In winter, it is colder in San Francisco and it rains more in Seattle.
