Cheap flights from Seattle to San Francisco from $61
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Francisco departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seattle to San Francisco
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Hawaiian Airlines flights from Seattle to San Francisco
Our best Hawaiian Airlines deals on Seattle to San Francisco flight tickets
Alaska Airlines flights from Seattle to San Francisco
Our best Alaska Airlines deals on Seattle to San Francisco flight tickets
See travel insights to San Francisco from
How to get the cheapest flight ticket from Seattle to San Francisco
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 typical price of a round-trip flight between Seattle and San Francisco?
What is the cheapest month to fly to San Francisco?
If you aren’t able to travel to San Francisco during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $206.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Seattle to San Francisco is on a Friday when prices can be found for as low as $300. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $546.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Seattle to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $290. Flights in the afternoon are often more expensive with an average ticket price of $508.
What is the cheapest Seattle/Tacoma Intl to San Francisco flight route?
Fly from Seattle/Tacoma Intl to San Francisco for the best Seattle/Tacoma Intl - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $234 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Seattle for as low as $168 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to San Francisco flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to San Francisco?
Alaska Airlines, Hawaiian Airlines, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to San Francisco
What airlines fly to San Francisco?
Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to San Francisco from Seattle according to our data. Alaska Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 8 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to San Francisco on average per day?
As of July 2025, 83 flights take off from Seattle and land in San Francisco each day. The most common flight departure time for this route is 5:00PM, with 43% of daily flights taking off in the afternoon.
How many flights depart from Seattle to San Francisco on average per week?
587 flights are operational weekly from Seattle to San Francisco as of July 2025. The most popular departure day for this route is Wed, with 20% of flights per week taking off on this day.
When to book flights from Seattle to San Francisco
Cheap Seattle to San Francisco (SEA to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to San Francisco
Best Price Found | $61 |
|---|---|
Fastest flight time | 2h 11m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is Seattle/Tacoma Intl to San Francisco by plane?
There are 678.2 mi between Seattle/Tacoma Intl and San Francisco. By plane, this route typically takes 2h 11m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Francisco Airport?
Prices for flights from Seattle/Tacoma Intl Airport to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Francisco Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to San Francisco Airport is 7 as of July 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Seattle to San Francisco is Boeing 737-800 Passenger/BBJ2 (winglets), representing 20.29% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 17.87%, Boeing 737-900 at 10.60%, and Boeing 737 at 9.38%.
What is the most popular airline from Seattle to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to San Francisco is Alaska Airlines (55% of total bookings). The next most popular airlines are United Airlines (21%), Delta (18%), and Hawaiian Airlines (3%).
Best airlines flying from Seattle to San Francisco
Compare and see reviews for airlines that fly from Seattle to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $100 | Free Cancellation | Rating 5.9 3,286 reviews | |||
| PriceFrom $106 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $109 | Free Cancellation | Rating 6.3 8,086 reviews | |||
| PriceFrom $120 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $125 | Free Cancellation | Rating 7.8 2,545 reviews | |||
| PriceFrom $130 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $226 | Free Cancellation | Rating 7.2 10,000 reviews |
Delta Flights From Seattle to San Francisco
Delta is one of the most popular airlines flying from Seattle to San Francisco, operating 10 flights/week on average for this route. A good Delta flight deal for Seattle to San Francisco starts from $106 round-trip, up to an average price of $206. Our users have rated Delta at 8.0/10.
Alaska Airlines Flights From Seattle to San Francisco
The best Alaska Airlines deal for Seattle to San Francisco flight tickets found on momondo in the last 72 hours was $130, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $239 round-trip. Alaska Airlines operates 24 flights out of Seattle into San Francisco in an average week, so prices vary by time and availability. 10,000 Alaska Airlines reviews by users on momondo have scored the airline at 8.0/10.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to San Francisco?
It is quick and easy to find Seattle to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.
Can I find flights from Seattle to San Francisco with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Francisco from Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seattle to San Francisco?
momondo provides multiple filters to help you find the best flight to San Francisco from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to San Francisco right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Seattle and alert you when they change.