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Cheap Flights from San Francisco International to Seattle

Travellers and cabin class

Compare San Francisco International to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from San Francisco International to Seattle

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.R$ 373 per passenger.Departing Tue, 22 Apr.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from San Francisco International on Tue, 22 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R$ 373, select.
Seattle.R$ 373 per passenger.Departing Wed, 7 May.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from San Francisco International on Wed, 7 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R$ 373, select.
Seattle.R$ 447 per passenger.Departing Sun, 28 Sep.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from San Francisco International on Sun, 28 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R$ 447, select.
Seattle.R$ 460 per passenger.Departing Fri, 10 Oct.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from San Francisco International on Fri, 10 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R$ 460, select.
Seattle.R$ 466 per passenger.Departing Mon, 7 Jul.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from San Francisco International on Mon, 7 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R$ 466, select.
Seattle.R$ 466 per passenger.Departing Thu, 20 Nov.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from San Francisco International on Thu, 20 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R$ 466, select.
Seattle.R$ 467 per passenger.Departing Thu, 14 Aug.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from San Francisco International on Thu, 14 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R$ 467, select.
Seattle.R$ 467 per passenger.Departing Sat, 28 Jun.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from San Francisco International on Sat, 28 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R$ 467, select.

Find the cheapest month to fly from San Francisco International to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Seattle flights are currently cheapest in April.
Mar
from R$ 745
Apr
from R$ 373
May
from R$ 373
Jun
from R$ 467
Jul
from R$ 466
Aug
from R$ 467
Sep
from R$ 447
Oct
from R$ 460
Nov
from R$ 466
Dec
from R$ 479
Jan
from R$ 476
Feb
from R$ 479

Direct flights from San Francisco International to Seattle

Alternative San Francisco International to Seattle routes

Looking for the cheapest, fastest or easiest route from San Francisco International to Seattle? You could fly into the following airports instead.

San Francisco to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR$ 373
Cheapest month to flyMay
Average flight time2 hrs, 13 mins
Most popular airlineQatar Airways
Average flights per week978

Finding cheap flights from San Francisco International to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from San Francisco International to Seattle is R$ 720. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 13 minutes is the average flight time from San Francisco International to Seattle.
Qatar Airways, Air Tahiti Nui and Alaska Airlines fly direct from San Francisco International to Seattle.
As of March 2025, there are 978 flights per week flying from San Francisco International to Seattle.
The cheapest month to fly from San Francisco International to Seattle is usually March 2025.
If you're flying from San Francisco International Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from R$ 720.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Seattle on Saturday, 3 May 2025.
Yes – the average flight time is 2 hours and 13 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Hawaiian Airlines offers the cheapest flight tickets to Seattle.

How to find cheap flights to Seattle from San Francisco International

Looking for cheap tickets from San Francisco International to Seattle? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from San Francisco International to Seattle. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Seattle from San Francisco International from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best San Francisco International-Seattle ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Seattle from San Francisco International.
  • Set up a Price Alert. You can easily track the fare of your cheap San Francisco International-Seattle flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between San Francisco International and Seattle? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from San Francisco International and Seattle. We scour the internet for the best Business, Premium Economy and First Class flight fares to Seattle, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for San Francisco International to Seattle flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Seattle from San Francisco International with hotels and car hire

    Once you've secured your cheap flight ticket from San Francisco International to Seattle, discover the best prices and exclusive rates for hotels in Seattle or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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Plan the rest of your trip from San Francisco to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.