Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Francisco are usually found in March or May, booked 83 days in advance, depart on a Thursday or Tuesday and return on a Monday
Find flight deals from Seattle to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 February 2026.
Popular in
December
Cheapest in
March
Average price
₹ 21,436
Good one-way deal
₹ 8,908 or less
Highest demand for flights based on searches. 6% potential increase in price (₹ 124,704 potential increase over avg. return price).
Best time to book a flight from Seattle to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Seattle with our price prediction graph.
SEA-SFO
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to San Francisco
Prices
Delays
How far ahead should I book a flight from Seattle to San Francisco?
Use this chart to determine the optimal time to book a return flight from Seattle to San Francisco. Price data was last updated on 30 January 2026.
Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Seattle to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Seattle to San Francisco (average of ₹ 7,417). Flying from Seattle to San Francisco in May is currently the most expensive (average of ₹ 12,391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to SFO?
Find hourly flight availability from Seattle to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 February 2026.
It’s typically best to fly out from Seattle to San Francisco in the afternoon. Doing so could potentially save you 74% on the flight price compared to flying in the evening, which is usually more expensive.
How often are flights from Seattle to San Francisco delayed?
About 21% of weekly flights between Seattle and San Francisco have experienced delays in the past year, with the average delay time being 134 minutes.
What is the most punctual flight time for Seattle to San Francisco flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to San Francisco flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 8 February 2026.
Read reviews from past customers who have flown with Alaska Airlines
from Seattle to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Good flight except the uncontrollable cold air from the ceiling.
Related info for your journey
Find useful and relevant information for your journey from Seattle to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Seattle to San Francisco flight route?
This flight path from Seattle/Tacoma Intl to San Francisco was viewed by 24 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What is the cheapest airline to fly from Seattle to San Francisco round-trip?
Our cheapest airline available from Seattle to San Francisco is Alaska Airlines. Our recent data shows that you can find tickets from as low as ₹ 11,759 on this airline. This flight start at 45% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Seattle to San Francisco one-way?
One-way options have recently been found by users for as low as ₹ 4,387 on Delta. Other airlines that offer cheap prices include Hawaiian Airlines from ₹ 4,882 and United Airlines from ₹ 5,289 one-way.
What are the most reliable airlines from Seattle to San Francisco?
No one likes to see their flight delayed. When booking a flight from Seattle to San Francisco consider choosing Turkish Airlines(82%), SWISS(81%) or Air China(79%), as they are the most reliable in getting you off to your destination on time.
Can I find deals for flights from Seattle to San Francisco that include hotel bookings?
Yes. In addition to deals on Seattle to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Seattle to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San Francisco.
Can I find deals for business class flights from Seattle to San Francisco?
Yes. Cheapflights offers flight deals from Seattle to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Seattle to San Francisco (average of ₹ 7,417). Flying from Seattle to San Francisco in May is currently the most expensive (average of ₹ 12,391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 February 2026.
Discover the top airline that operate flights from Seattle to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 8 February 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Seattle to San Francisco?
When you search for this flight from Seattle to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Seattle to San Francisco?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to San Francisco for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Seattle to San Francisco with no change fees?
Yes, we can. To see specific flights from Seattle to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Seattle to San Francisco become cheaper?
Yes, Cheapflights offers price alerts on Seattle to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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