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How to get the cheapest flight ticket from San Francisco to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
The cheapest month to fly to Seattle from San Francisco is in October. Flight prices, which tend to average around R3 591, are often lower during this time because this is during the off-season. If you aren’t able to travel to Seattle during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of R3 646.
What is the cheapest time of day to depart on your flight to Seattle?
According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from San Francisco to Seattle at midday for as low as R0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are R9 411 on average. Flights to Seattle from San Francisco in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest San Francisco to Seattle/Tacoma Intl flight route?
Fly from San Francisco to Seattle/Tacoma Intl for the best San Francisco - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from San Francisco when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around R4 468 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Francisco for as low as R2 917 on momondo.
What cabin class options are available on San Francisco to Seattle/Tacoma Intl flights?
There are 1 cabin classes available to choose from on San Francisco to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have San Francisco to Seattle flight prices changed over time?
As of March 2025, prices for San Francisco to Seattle flights are approximately 20% more expensive when compared to flights at the same time last year.
When to book flights from San Francisco to Seattle
Cheap San Francisco to Seattle (SFO to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Seattle
How far is San Francisco to Seattle/Tacoma Intl by plane?
The distance between San Francisco and Seattle/Tacoma Intl is about 1091,5 km.
When did momondo last update prices for flights from San Francisco Airport to Seattle/Tacoma Intl Airport?
Prices for flights from San Francisco Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from San Francisco Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to Seattle is Boeing 737-800 Passenger/BBJ2 (winglets) (13,68% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (11,17%), Boeing 737-900 (10,68%), and Boeing 737 MAX 8 (9,69%).
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Francisco to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Seattle for you.
Can I find flights from San Francisco to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Francisco to Seattle?
momondo helps you find the best flight between San Francisco and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Francisco to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Francisco to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.