Cheap flights from Seattle to San Francisco from $89

If you are unable to visit Santa Rosa during the month of April, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $277.

Our data shows that Wednesday is the least expensive day to fly to Santa Rosa. Tickets to fly out on this day can be as low as $287. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $467.

Our data shows that the cheapest Seattle to Santa Rosa flights are usually those with departure times in the afternoon. Our users have found flights to Santa Rosa in the afternoon for as low as $257. Flights in the evening are often more expensive with an average ticket price of $432.

Fly from Seattle/Tacoma Intl to Santa Rosa Sonoma County for the best Seattle/Tacoma Intl - Santa Rosa Sonoma County flight prices

You are more likely to see cheaper flights to Santa Rosa from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Santa Rosa for around $359 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santa Rosa from Seattle for as low as $252 on momondo.

There are 4 cabin classes available to choose from on Seattle to Santa Rosa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 57% on your flight if you consider stops on a Seattle to Santa Rosa flight.

As of October 2026, prices for Seattle to Santa Rosa flights are approximately 136% more expensive when compared to flights at the same time last year.

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Santa Rosa Sonoma County

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Santa Rosa from Seattle according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Santa Rosa. Keep in mind that there are 7 different airlines that fly to Santa Rosa on a routine basis, so you have a few additional options to choose from.

As of October 2026, 4 flights take off from Seattle and land in Santa Rosa each day. The most common flight departure time for this route is 7:00PM, with 70% of daily flights taking off in the evening.

29 flights are operational weekly from Seattle to Santa Rosa as of October 2026. The most popular departure day for this route is Wed, with 17% of flights per week taking off on this day.