STS - SEA

$69 Find Cheap Flights from Santa Rosa to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$137
Typical prices: $228-$440
Delta
Tue 10/30Thu 11/1
STS - SEA • 1 stop
Cheapest non-stop
$253
Typical prices: $224-$444
Alaska Airlines
Sat 11/3Wed 11/7
STS - SEA • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines. Average duration is 2h 05m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 58% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $272 (round-trip)
Shortest trip • 3h 43m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Santa Rosa to Seattle (STS-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Santa Rosa to Seattle

Tue, Nov 3 - Fri, Nov 6
Delta Logo
11:21 am - 4:24 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
5h 03m1 stop Salt Lake City
Delta Logo
5:30 am - 10:41 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
5h 11m1 stop Salt Lake City
$137Delta
Fri, Nov 6 - Sun, Nov 8
Delta Logo
4:49 pm - 10:05 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
5h 16m1 stop Salt Lake City
Delta Logo
5:30 am - 10:41 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
5h 11m1 stop Salt Lake City
$137Delta
Mon, Dec 7 - Fri, Dec 11
Delta Logo
11:27 am - 4:59 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
5h 32m1 stop Salt Lake City
Delta Logo
5:30 am - 10:42 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
5h 12m1 stop Salt Lake City
$137Delta
Sat, Nov 7 - Mon, Nov 9
Delta Logo
4:49 pm - 10:05 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
5h 16m1 stop Salt Lake City
Delta Logo
9:25 am - 4:06 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
6h 41m1 stop Salt Lake City
$137Delta
Fri, Nov 13 - Mon, Nov 16
Delta Logo
11:29 am - 6:41 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
7h 12m1 stop Salt Lake City
Delta Logo
5:35 am - 10:43 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
5h 08m1 stop Salt Lake City
$137Delta
Thu, Oct 29 - Sat, Oct 31
Delta Logo
4:49 pm - 10:05 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
5h 16m1 stop Salt Lake City
Delta Logo
9:42 am - 4:05 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
6h 23m1 stop Salt Lake City
$137Delta
Thu, Nov 12 - Thu, Nov 19
Delta Logo
11:29 am - 4:53 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
5h 24m1 stop Salt Lake City
Delta Logo
5:35 am - 10:43 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
5h 08m1 stop Salt Lake City
$137Delta
Fri, Nov 20 - Mon, Nov 23
Delta Logo
4:47 pm - 11:59 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
7h 12m1 stop Salt Lake City
Delta Logo
5:35 am - 10:43 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
5h 08m1 stop Salt Lake City
$137Delta
Sat, Oct 31 - Tue, Nov 3
Alaska Airlines Logo
10:50 am - 8:26 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
9h 36m1 stop San Diego
Alaska Airlines Logo
3:58 pm - 10:38 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
6h 40m1 stop San Diego
$229Alaska Airlines
Sat, Oct 31 - Tue, Nov 3
Alaska Airlines Logo
10:50 am - 8:26 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
9h 36m1 stop San Diego
Alaska Airlines Logo
3:58 pm - 10:38 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
6h 40m1 stop San Diego
$235Alaska Airlines
Booking Insights

Price, demand and travel trends for Santa Rosa to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Santa Rosa to Seattle?

Round-trip flights from Santa Rosa to Seattle typically range from $228 to $440. The lowest price found in the past 5 days was $137, on Delta.

What's the cheapest day of the week to fly from Santa Rosa to Seattle?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Santa Rosa to Seattle. It’s 20% cheaper than the average day, while Sunday is the most expensive, with prices 40% higher.

What’s the cheapest month to fly from Santa Rosa to Seattle?

•February is the cheapest month to fly from Santa Rosa to Seattle at $222 round-trip.
•June ($452) and July ($385) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 103% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Santa Rosa to Seattle the cheapest?

Flights from Santa Rosa to Seattle are cheapest 6 weeks before departure. Booking in this window typically costs about 58% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Santa Rosa to Seattle flights

Low season

September

Cheapest flight

$69
Beat the crowds with an average 9% drop in travelers.
The most popular month to fly with an average 3% increase in travelers.
One-way flight from Santa Rosa to Seattle

When to book flights from Santa Rosa to Seattle

Are your dates flexible? Find out the best times to travel from Santa Rosa to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Santa Rosa to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Santa Rosa to Seattle?

    These are the earliest and latest flight times available from Santa Rosa to Seattle:

    • Earliest: departs at 6:00 am and lands at 8:05 am
    • Latest: departs at 6:37 pm and lands at 8:42 pm.

    The flight takes about 2h 05m.

  • What cabin classes can I book on flights from Santa Rosa to Seattle?

    Only Economy Class is available on flights from Santa Rosa to Seattle.

  • How long is a flight from Santa Rosa to Seattle?

    A nonstop flight from Santa Rosa to Seattle takes 2h 05m, covering 618 miles.

  • Do I need a passport to fly from Santa Rosa to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Santa Rosa to Seattle flight?

    Round-trip flights from Santa Rosa to Seattle range from $228 to $440, with an average of $308 over the past 12 months. Anything below $228 counts as a good deal.

  • How expensive are last-minute Santa Rosa to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 89% above the $308 route average. Book 6 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Santa Rosa to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $272 round-trip via San Diego (SAN), compared to $309 for nonstop.

  • Which aircraft model is used most often on flights from Santa Rosa to Seattle?

    The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

  • How are flight departures from Santa Rosa to Seattle spread across the day?

    Morning is the busiest departure period on Santa Rosa to Seattle flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • Have flight prices from Santa Rosa to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $137 to $956. That means the highest observed fare was about 7x higher than the lowest one.

  • Which airlines offer Wi-Fi on Santa Rosa to Seattle flights?

    Alaska Airlines is the only airline on the Santa Rosa to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Santa Rosa to Seattle looking right now?

    One-way fares from Santa Rosa to Seattle are currently lower than usual. Average one-way flight prices are about $83, which is 70% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • Which airports can I use when flying from Santa Rosa to Seattle?

    Flights from Santa Rosa to Seattle usually depart from Santa Rosa Sonoma County (STS) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airports do connecting flights from Santa Rosa to Seattle pass through?

    One-stop flights from Santa Rosa to Seattle most commonly connect through:

    • Portland (PDX) - 40% of one-stop connections
    • San Diego (SAN) - 30% of one-stop connections
    • Salt Lake City (SLC) - 20% of one-stop connections
    • Denver Intl (DEN) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Santa Rosa to Seattle?

    Yes. Flexible dates can save you up to 43% on flights from Santa Rosa to Seattle. Saturday is the cheapest departure day at $247 round-trip on average, while Sunday is the most expensive at $432, a difference of $185.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Santa Rosa to Seattle?

    Only Alaska Airlines operates flights between Santa Rosa and Seattle.

  • How much time can I save by choosing a different layover airport from Santa Rosa to Seattle?

    Flying via Portland (PDX) gives the shortest average 1-stop total travel time at 3h 43m, compared with 5h 14m via Salt Lake City (SLC) and 7h 59m via Denver Intl (DEN).

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Santa Rosa to Seattle flights?

    Among airlines operating Santa Rosa to Seattle flights:

    • Alaska Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Santa Rosa to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Santa Rosa to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $247, about $185 less than Sunday fares (43% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 58% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Santa Rosa to Seattle trip for February. Fares historically average $222 round-trip in that month - typically $230 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through San Diego Airport (SAN) can be cheaper than flying direct. The cheapest layover option averages $272 round-trip on this route - about $36 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

Prefer to fly direct from Santa Rosa to Seattle?

 
Find which airlines fly direct from Santa Rosa Sonoma County Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Santa Rosa Sonoma County to Seattle/Tacoma Intl

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Direct returns

Seattle/Tacoma Intl to Santa Rosa Sonoma County

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

More options for your flight from Santa Rosa to Seattle

Complete your trip to Seattle with a hotel stay or car rental