Cheap flights from Seattle to San Francisco
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Francisco are usually found in January or September, booked 88 days in advance, depart on a Thursday or Tuesday and return on a Tuesday
Cheap 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 16 May 2025.
Popular in | June |
|---|---|
Cheapest in | January |
Average price | S$ 295 |
Good one-way deal | S$ 329 or less |
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.
Cheapflights Insights
Everything you need to know about your flight from Seattle to San Francisco
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 9 May 2025.
Booking 88 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, December is the cheapest month in which you can book a flight from Seattle to San Francisco (average of S$ 778). Flying from Seattle to San Francisco in July is currently the most expensive (average of S$ 921). 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 16 May 2025.
It’s optimal to fly from Seattle to San Francisco at midday. By choosing this option you can save up to 89% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from Seattle to San Francisco
Explore weekly flight availability from Seattle to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 May 2025.
The most flights from SEA to SFO are scheduled on a Friday (118 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (63 on average).
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).
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.
Travelling to a place near Seattle?
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Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
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How does Cheapflights help users find flights from Seattle to San Francisco?
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Why should you use Cheapflights to find cheap flight tickets from Seattle to San Francisco?
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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, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!