The cheapest times to fly from SEA to STS are
- January 1st to March 18th (except the week of February 12th)
- August 6th to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to STS is early to mid October. Prices can be as high as $653 for Sunday flights during late July, or as low as $187 for Tuesday flights around early to mid October.
When to Fly to Santa Rosa
Flying from Seattle, WA (SEA) to Santa Rosa, CA (STS) will usually cost between $220 to $413 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $223. Due to high demand the most expensive time to fly is late July, with an average price of $425. Planning your trip to low-cost times can easily save you $202 on economy flights and even more on first-class flights. Generally, any price below $277 can be considered a good price for a round-trip SEA to STS flight.
See below for a graph of average weekly prices for the SEA to STS route. All prices are for round-trip tickets in USD.
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Compared to other flights, the SEA to STS flight is much cheaper than the average and costs much less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.28, which is below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $87 (25%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $261. Return trip prices are from the STS to SEA flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from SEA to STS can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 6 minutes may be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SEA to STS while comparing.
- 66 miles (106 km) away from STS
- Usually 40.97% less expensive than STS
- Nonstop flights available
- 93 miles (150 km) away from STS
- Usually 39.71% less expensive than STS
- Nonstop flights available
- 67 miles (108 km) away from STS
- Usually 34.30% less expensive than STS
- Nonstop flights available
- 63 miles (101 km) away from STS
- Usually 23.10% less expensive than STS
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from SEA to STS? We’ve got answers.
Which airlines fly this route?
You can find 6 major airlines flying this route most often: Alaska, American, Delta, Emirates, Sun Country Airlines, United, and potentially more during busy seasons.
How far away is it from Charles M. Schulz – Sonoma County Airport to Seattle/Tacoma International Airport?
The distance between the two airports is roughly 618 miles or 995 kilometers.
How long does it take to fly from SEA to STS?
The real-world flight time for a nonstop SEA to STS flight is about 2 hour 6 minutes.
How many flights go between Seattle, WA and Santa Rosa, CA?
It depends on the day of the week and the date, but a typical day might have around 73 available flights from SEA to STS.
Airport Location Info
Departing Airport
Origination code | SEA |
Origination airport name | Seattle/Tacoma International Airport |
City | Seattle, WA |
Country | the United States |
Latitude | 47.5 |
Longitude | -122.3 |
Return Airport
Destination code | STS |
Destination airport name | Charles M. Schulz – Sonoma County Airport |
City | Santa Rosa, CA |
Country | the United States |
Latitude | 38.5 |
Longitude | -122.8 |
Other Resources
Flights to STS
Flights from STS
Popular Flights
Flights to SEA
Flights from SEA
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.