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Cheap flights from Seattle to San Francisco from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Francisco departing on 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Seattle to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:10 pm - 10:10 pm
SEA
-
STS
10h 00m
1 stop
Southwest Logo
4:35 pm - 11:55 pm
STS
-
SEA
7h 20m
1 stop
$216Southwest
Tue, Apr 21 - Tue, Apr 28
Alaska Airlines Logo
8:20 am - 10:30 am
SEA
-
STS
2h 10mnonstop
Alaska Airlines Logo
1:13 pm - 3:21 pm
STS
-
SEA
2h 08mnonstop
$217Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
Hawaiian Airlines Logo
4:00 pm - 6:01 pm
SEA
-
STS
2h 01mnonstop
Hawaiian Airlines Logo
6:53 pm - 8:58 pm
STS
-
SEA
2h 05mnonstop
$223Hawaiian Airlines
Sat, Apr 18 - Mon, Apr 20
Southwest Logo
2:20 pm - 10:10 pm
SEA
-
STS
7h 50m
2 stops
Southwest Logo
4:35 pm - 11:55 pm
STS
-
SEA
7h 20m
1 stop
$229Southwest
Tue, Apr 21 - Tue, Apr 28
Alaska Airlines Logo
5:46 pm - 7:46 pm
SEA
-
STS
2h 00mnonstop
Alaska Airlines Logo
8:26 pm - 10:25 pm
STS
-
SEA
1h 59mnonstop
$232Alaska Airlines
Wed, May 13 - Sat, May 16
Alaska Airlines Logo
9:31 am - 6:06 pm
SEA
-
STS
8h 35m
1 stop
Alaska Airlines Logo
7:23 am - 2:06 pm
STS
-
SEA
6h 43m
1 stop
$237Alaska Airlines
Tue, Apr 28 - Wed, Apr 29
Southwest Logo
12:10 pm - 10:10 pm
SEA
-
STS
10h 00m
1 stop
Southwest Logo
6:00 am - 5:45 pm
STS
-
SEA
11h 45m
2 stops
$240Southwest
Wed, Apr 22 - Wed, Apr 29
Southwest Logo
2:25 pm - 11:30 pm
SEA
-
STS
9h 05m
1 stop
Southwest Logo
6:00 am - 1:35 pm
STS
-
SEA
7h 35m
2 stops
$241Southwest
Thu, Jun 4 - Tue, Jun 9
Southwest Logo
8:25 am - 3:55 pm
SEA
-
STS
7h 30m
1 stop
Southwest Logo
6:05 am - 5:55 pm
STS
-
SEA
11h 50m
1 stop
$242Southwest
Tue, Apr 28 - Sat, May 2
Southwest Logo
8:25 am - 3:55 pm
SEA
-
STS
7h 30m
1 stop
Southwest Logo
4:40 pm - 12:55 am
STS
-
SEA
8h 15m
2 stops
$244Southwest
Tue, May 5 - Fri, May 8

Southwest flights from Seattle to Santa Rosa

Our best Southwest deals on Seattle to Santa Rosa flight tickets
Southwest
Apr 21
SEA12:10 pmSeattle/Tacoma Intl
10h 00m
1 stop
STS10:10 pmSanta Rosa Sonoma County
Apr 28
STS4:35 pmSanta Rosa Sonoma County
7h 20m
1 stop
SEA11:55 pmSeattle/Tacoma Intl
$216
Southwest
Apr 21
SEA2:20 pmSeattle/Tacoma Intl
7h 50m
2 stops
STS10:10 pmSanta Rosa Sonoma County
Apr 28
STS4:35 pmSanta Rosa Sonoma County
7h 20m
1 stop
SEA11:55 pmSeattle/Tacoma Intl
$229
Southwest
Apr 22
SEA12:10 pmSeattle/Tacoma Intl
10h 00m
1 stop
STS10:10 pmSanta Rosa Sonoma County
Apr 29
STS6:00 amSanta Rosa Sonoma County
11h 45m
2 stops
SEA5:45 pmSeattle/Tacoma Intl
$240

Alaska Airlines flights from Seattle to Santa Rosa

Our best Alaska Airlines deals on Seattle to Santa Rosa flight tickets
Alaska Airlines
Apr 21
SEA8:20 amSeattle/Tacoma Intl
2h 10m
STS10:30 amSanta Rosa Sonoma County
Apr 28
STS1:13 pmSanta Rosa Sonoma County
2h 08m
SEA3:21 pmSeattle/Tacoma Intl
$217
Alaska Airlines
May 13
SEA5:46 pmSeattle/Tacoma Intl
2h 00m
STS7:46 pmSanta Rosa Sonoma County
May 16
STS8:26 pmSanta Rosa Sonoma County
1h 59m
SEA10:25 pmSeattle/Tacoma Intl
$232
Alaska Airlines
Apr 28
SEA9:31 amSeattle/Tacoma Intl
8h 35m
1 stop
STS6:06 pmSanta Rosa Sonoma County
Apr 29
STS7:23 amSanta Rosa Sonoma County
6h 43m
1 stop
SEA2:06 pmSeattle/Tacoma Intl
$237

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Seattle to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 4/21

12:10 pm-10:10 pm

1 stop10h 00m

Santa Rosa Sonoma County

Tue 4/28

4:35 pm-11:55 pm

1 stop7h 20m

$216

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 4/21

8:20 am-10:30 am

Nonstop2h 10m

Santa Rosa Sonoma County

Tue 4/28

1:13 pm-3:21 pm

Nonstop2h 08m

$217

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Sat 4/18

4:00 pm-6:01 pm

Nonstop2h 01m

Santa Rosa Sonoma County

Mon 4/20

6:53 pm-8:58 pm

Nonstop2h 05m

$223

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 4/21

2:20 pm-10:10 pm

2 stops7h 50m

Santa Rosa Sonoma County

Tue 4/28

4:35 pm-11:55 pm

1 stop7h 20m

$229
Quickest round-trip

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Wed 5/13

5:46 pm-7:46 pm

Nonstop2h 00m

Santa Rosa Sonoma County

Sat 5/16

8:26 pm-10:25 pm

Nonstop1h 59m

$232

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 4/28

9:31 am-6:06 pm

1 stop8h 35m

Santa Rosa Sonoma County

Wed 4/29

7:23 am-2:06 pm

1 stop6h 43m

$237

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Wed 4/22

12:10 pm-10:10 pm

1 stop10h 00m

Santa Rosa Sonoma County

Wed 4/29

6:00 am-5:45 pm

2 stops11h 45m

$240

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Thu 6/4

2:25 pm-11:30 pm

1 stop9h 05m

Santa Rosa Sonoma County

Tue 6/9

6:00 am-1:35 pm

2 stops7h 35m

$241

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 4/28

8:25 am-3:55 pm

1 stop7h 30m

Santa Rosa Sonoma County

Sat 5/2

6:05 am-5:55 pm

1 stop11h 50m

$242

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 5/5

8:25 am-3:55 pm

1 stop7h 30m

Santa Rosa Sonoma County

Fri 5/8

4:40 pm-12:55 am

2 stops8h 15m

$244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Seattle to Santa Rosa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Santa Rosa?

What is the cheapest month to fly to Santa Rosa?

If you are unable to visit Santa Rosa during the month of September, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $272.

What is the cheapest day to depart on your flight to Santa Rosa?

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 $247. On the other hand, Tuesday 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 $357.

What is the cheapest time of day to depart on your flight to Santa Rosa?

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 $301. Flights in the evening are often more expensive with an average ticket price of $397.

What is the cheapest Seattle/Tacoma Intl to Santa Rosa Sonoma County flight route?

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

How far in advance should I book a flight to Santa Rosa?

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 $331 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 $220 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Santa Rosa Sonoma County flights?

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

Can stopping save me money on Seattle to Santa Rosa flights?

No. A direct flight is the cheapest option for a flight between Seattle to Santa Rosa.

How have Seattle to Santa Rosa flight prices changed over time?

As of March 2026, prices for Seattle to Santa Rosa flights are approximately 40% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Santa Rosa (SEA to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Santa Rosa

Best Price Found

$318

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Santa Rosa

1 airport
The best one-way flight to Santa Rosa from Seattle in the past 72 hours is $318. The best round-trip flight deal from Seattle to Santa Rosa found on momondo in the last 72 hours is $272.
The fastest flight from Seattle to Santa Rosa takes 2h 00m
Direct flights go from Seattle to Santa Rosa every day.
There is 1 airport in Santa Rosa. From Seattle there are direct flights to Santa Rosa Sonoma County (STS).
Search flight deals

  • How far is Seattle/Tacoma Intl to Santa Rosa Sonoma County by plane?

    A flight from Seattle/Tacoma Intl to Santa Rosa Sonoma County will travel around 633.6 mi. 2h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Santa Rosa Sonoma County Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Santa Rosa Sonoma County Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Santa Rosa Sonoma County Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Santa Rosa Sonoma County Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The travel and health documents you'll need for your trip to Santa Rosa Sonoma County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santa Rosa Sonoma County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Santa Rosa?

  • What is the most popular airline from Seattle to Santa Rosa?

Best airlines flying from Seattle to Santa Rosa

Compare and see reviews for airlines that fly from Seattle to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $157Free CancellationRating
7.9
12,133 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $186Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights

  • Alaska Airlines Flights From Seattle to Santa Rosa

    Alaska Airlines is one of the most popular airlines flying from Seattle to Santa Rosa, operating 5 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Santa Rosa starts from $157 round-trip, up to an average price of $323. Our users have rated Alaska Airlines at 7.9/10.

  • Hawaiian Airlines Flights From Seattle to Santa Rosa

    The best Hawaiian Airlines deal for Seattle to Santa Rosa flight tickets found on momondo in the last 72 hours was $186, round-trip. It should be noted that an average Hawaiian Airlines flight deal for this route in this time was higher, at $307 round-trip. Hawaiian Airlines operates 10 flights out of Seattle into Santa Rosa in an average week, so prices vary by time and availability. 2,839 Hawaiian Airlines reviews by users on momondo have scored the airline at 7.8/10.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Mendocino
Ukiah
Little River
Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Santa Rosa?

It is quick and easy to find Seattle to Santa Rosa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santa Rosa that suits you.

Can I find flights from Seattle to Santa Rosa with flexible booking policies on momondo?

All flight searches from Seattle to Santa Rosa on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Santa Rosa?

Once you have performed a search for Seattle to Santa Rosa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Santa Rosa right now. Can momondo alert me if prices change?

Price alerts on flights to Santa Rosa from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Santa Rosa trip

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