Skyscanner home

Cheap Flights from Santa Rosa (STS) to Seattle (SEAA)

Compare Santa Rosa to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from Santa Rosa to Seattle

Looking for a cheap last-minute deal or the best return flight from Santa Rosa Airport to Seattle? If you want to travel next month, return fares start from $413. Find the lowest prices on one-way and return tickets right here.
Seattle.$341 per passenger.Departing Fri, 6 Nov, returning Sun, 15 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Santa Rosa on Fri, 6 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Sun, 15 Nov, arriving in Santa Rosa.Price includes taxes and charges.From $341, select.
Seattle.$341 per passenger.Departing Fri, 9 Oct, returning Sat, 10 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Santa Rosa on Fri, 9 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Sat, 10 Oct, arriving in Santa Rosa.Price includes taxes and charges.From $341, select.
Seattle.$341 per passenger.Departing Thu, 29 Oct, returning Sun, 8 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Santa Rosa on Thu, 29 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Sun, 8 Nov, arriving in Santa Rosa.Price includes taxes and charges.From $341, select.
Seattle.$413 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Wed, 19 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Wed, 26 Aug, arriving in Santa Rosa.Price includes taxes and charges.From $413, select.
Seattle.$420 per passenger.Departing Sat, 26 Sep, returning Mon, 28 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Sat, 26 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Mon, 28 Sep, arriving in Santa Rosa.Price includes taxes and charges.From $420, select.
Seattle.$523 per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Fri, 25 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Fri, 2 Oct, arriving in Santa Rosa.Price includes taxes and charges.From $523, select.
Seattle.$536 per passenger.Departing Fri, 17 Jul, returning Wed, 19 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Fri, 17 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Wed, 19 Aug, arriving in Santa Rosa.Price includes taxes and charges.From $536, select.
Seattle.$559 per passenger.Departing Wed, 22 Jul, returning Thu, 30 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Wed, 22 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Thu, 30 Jul, arriving in Santa Rosa.Price includes taxes and charges.From $559, select.

Find the cheapest month to fly from Santa Rosa to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Santa Rosa to Seattle flights are currently cheapest in October.
Jul
from $559
Aug
from $413
Sep
from $420
Oct
from $341
Nov
from $341
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
Find prices

Direct flights from Santa Rosa to Seattle

Alternative Santa Rosa to Seattle routes

Looking for the cheapest, fastest or easiest route from Santa Rosa to Seattle? You could fly into the following airports instead.

Seattle Lake Union SPB

2km from central Seattle
Closest
Search flights

Seattle Boeing Fld

11km from central Seattle
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from $341
Search flights

Paine Field

33km from central Seattle
Search flights

Santa Rosa to Seattle: Flight information

The things to know before you go.
Cheapest flight found$341
Cheapest month to flyOctober
Average flight time2 hrs, 2 mins
Most popular airlineAlaska Airlines
Average flights per week41

Finding cheap flights from Santa Rosa to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Santa Rosa to Seattle is $341. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 2 minutes is the average flight time from Santa Rosa to Seattle.
Alaska Airlines, Qatar Airways and Horizon Air fly direct from Santa Rosa to Seattle.
As of July 2026, there are 41 flights per week flying from Santa Rosa to Seattle.
The cheapest month to fly from Santa Rosa to Seattle is usually October.
If you're flying from Santa Rosa Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from $341.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Santa Rosa Airport to Seattle on Thursday, 29 October 2026.
Yes – the average flight time is 2 hours and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 17°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Delta offers the cheapest flight tickets to Seattle.

Travelling from Charles M. Schulz Sonoma County Airport (STS) to Seattle: what you need to know

  • Approximately 2 hours 5 minutes is how long you can expect to be travelling on a direct flight from Charles M. Schulz Sonoma County Airport to Seattle.

  • Seattle's timezone is UTC-8, which is the same as Santa Rosa (the location of Charles M. Schulz Sonoma County Airport).

  • The most popular route is from Charles M. Schulz Sonoma County Airport (STS) to Seattle-Tacoma International Airport (SEA). You can select from 12 services every week between these two airports. If you'd like to get on your way as soon as you can, the earliest flight from STS to SEA is the 07:00 Alaska Airlines option. If you'd rather fly out later on, the last departure is at 20:01 with Alaska Airlines.

  • To avoid rushing for your STS to Seattle flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • During popular months such as August, you'll want to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during peak periods in general.

  • Begin your journey at STS and travel nonstop to Seattle-Tacoma International Airport (SEA). That's where you can expect to land when searching for Charles M. Schulz Sonoma County Airport to Seattle tickets.

  • Keep your eyes peeled for promotions from Alaska Airlines. This airline has direct flights from Charles M. Schulz Sonoma County Airport to Seattle.

  • Located around 11 kilometres from central Santa Rosa, STS can be reached in about 10 minutes by car. Travelling on public transport takes roughly 35 minutes.

  • Have an early flight from Charles M. Schulz Sonoma County Airport to Seattle? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these hotels close to STS:

  • 71% of flights taking off from Charles M. Schulz Sonoma County Airport make it to their destination on time.

  • You'll find STS at 2200 Airport Boulevard.

How to find the cheapest flights from Charles M. Schulz Sonoma County Airport (STS) to Seattle

  • $178 is currently the lowest price for a one-way Charles M. Schulz Sonoma County Airport to Seattle flight. Return plane tickets start at $341. These prices can change based on availability.

  • To pick up cheap flights from STS to Seattle, book ahead. Airlines tend to offer their most competitively priced fares when flights first go on sale.

  • The 'Whole month' tool will show you the cheapest tickets from Charles M. Schulz Sonoma County Airport to Seattle across the entire month. It's a good way to snap up a bargain if your travel dates are flexible.

  • Cut down on the time spent looking for cheap flights from STS to Seattle by creating a Price Alert. You'll receive an email or notification through the app when fares go down.

  • Choose your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Charles M. Schulz Sonoma County Airport to Seattle by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 25 minutes to reach by car. The centre is roughly 23 kilometres away.

  • Travelling to the centre by public transport takes about 35 minutes.

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Charles M. Schulz Sonoma County Airport to Seattle. Stay at one of these accommodation options near SEA instead:

  • Lock in the best rate by reserving your ride from Seattle-Tacoma International Airport about one week before your flight from STS to Seattle.

Seattle Paine Field International Airport (PAE)

  • The centre of Seattle is about 40 kilometres from Seattle Paine Field International Airport (PAE). Once your flight from Charles M. Schulz Sonoma County Airport to Seattle has hit the runway and you've made your way to arrivals, the drive should take about 40 minutes.

  • If you travel by public transport, the journey will take you 1 hour 30 minutes or so.

  • After stepping off your STS to Seattle flight, rest your head at a hotel close to PAE. These are some comfortable accommodation options that'll help you sink into relaxation mode:

  • Generally speaking, the earlier you book, the bigger the savings and variety of vehicles. Lock in your ride from PAE as soon as your plans are confirmed.

King County International Airport (BFI)

  • Step off your flight from Charles M. Schulz Sonoma County Airport to Seattle and go straight to your hotel or start taking in the sights right away. Central Seattle is around 11 kilometres from King County International Airport (BFI) and usually takes 20 minutes to reach driving.

  • Public transport will get you there in roughly 35 minutes.

  • Enjoy a more leisurely start to your break by choosing a hotel near BFI after your STS to Seattle flight. Unwind after a day of travel or just take a moment to get your bearings in a new city at:

  • Booking a couple of weeks ahead of your flight from Charles M. Schulz Sonoma County Airport to Seattle is a smart move. Along with better prices, you'll get a better selection of vehicle makes and models at BFI.

Best time to go to Seattle

  • December is the quietest month for flights from Charles M. Schulz Sonoma County Airport to Seattle, while July is the busiest. Choose the ideal time to go to Seattle based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your Charles M. Schulz Sonoma County Airport to Seattle plane ticket then if that's your ideal forecast.

  • Search for cheap tickets from STS to Seattle in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

More about Seattle

  • After booking your flight from Charles M. Schulz Sonoma County Airport to Seattle, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Seattle:

  • There are so many things to explore in this city it can be hard to figure out where to start. Pike Place Market, Space Needle and Seattle Skyline are top sights which should be on every Seattle itinerary.

Explore more of the United States

  • You've seen Seattle, now it's time to explore other corners of the United States. Journey around 241 kilometres south to Portland to check off its top attractions. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you'll have a packed itinerary ahead.

  • Spokane is another standout destination in the United States and is around 370 kilometres east of Seattle. No journey is complete without visiting Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

Plan smart, explore more

Where should Australians travel this year?

What are the cheapest days and weeks to fly?

5 best premium economy airlines worth paying for

How to search for multi-city flights with Skyscanner

Plan the rest of your trip from Santa Rosa to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.