STS - SEA

$76 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
$156
Typical prices: $217-$430
Southwest
Sat 9/15Wed 9/19
STS - SEA • 2 stops
Cheapest non-stop
$246
Typical prices: $217-$435
Alaska Airlines
Wed 10/10Fri 10/12
STS - SEA • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines. Average duration is 2h 03m
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 64% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $260 (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, Sep 22 - Tue, Sep 29
Southwest Logo
6:00 am - 3:10 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
9h 10m2 stops San Diego San Jose
Southwest Logo
6:25 am - 11:20 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
4h 55m1 stop Las Vegas Harry Reid Intl
$156Southwest
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
3:05 pm - 10:20 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
7h 15m1 stop Las Vegas Harry Reid Intl
Southwest Logo
8:45 am - 9:40 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
12h 55m2 stops Oakland San Diego
$156Southwest
Tue, Sep 15 - Tue, Sep 22
Southwest Logo
6:00 am - 3:00 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
9h 00m2 stops San Diego Sacramento Intl
Southwest Logo
6:25 am - 11:20 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
4h 55m1 stop Las Vegas Harry Reid Intl
$156Southwest
Sat, Oct 17 - Tue, Oct 20
Southwest Logo
3:05 pm - 10:20 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
7h 15m1 stop Las Vegas Harry Reid Intl
Southwest Logo
12:05 pm - 9:40 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
9h 35m2 stops Sacramento Intl San Diego
$156Southwest
Tue, Sep 15 - Sat, Sep 19
Southwest Logo
6:00 am - 3:00 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
9h 00m2 stops San Diego Sacramento Intl
Southwest Logo
5:30 am - 12:05 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
6h 35m1 stop Las Vegas Harry Reid Intl
$156Southwest
Wed, Sep 23 - Sat, Sep 26
Southwest Logo
1:40 pm - 9:45 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
8h 05m2 stops Las Vegas Harry Reid Intl Sacramento Intl
Southwest Logo
5:30 am - 12:05 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
6h 35m1 stop Las Vegas Harry Reid Intl
$156Southwest
Sat, Oct 17 - Wed, Oct 21
Southwest Logo
3:05 pm - 10:20 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
7h 15m1 stop Las Vegas Harry Reid Intl
Southwest Logo
8:45 am - 9:40 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
12h 55m2 stops Oakland San Diego
$156Southwest
Tue, Sep 15 - Tue, Sep 22
Alaska Airlines Logo
6:47 pm - 5:51 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
23h 04m1 stop San Diego
Alaska Airlines Logo
4:59 pm - 9:54 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
16h 55m1 stop San Diego
$203Alaska Airlines
Tue, Sep 15 - Mon, Sep 21
Alaska Airlines Logo
6:47 pm - 7:52 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
25h 05m1 stop San Diego
Alaska Airlines Logo
8:49 pm - 11:54 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
27h 05m1 stop San Diego
$203Alaska Airlines
Sat, Oct 17 - Tue, Oct 20
Alaska Airlines Logo
6:19 am - 12:28 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
6h 09m1 stop San Diego
Alaska Airlines Logo
2:59 pm - 9:59 amSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
19h 00m1 stop San Diego
$203Alaska 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 from Santa Rosa to Seattle with more confidence.

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

Round-trip flights from Santa Rosa to Seattle start at $156. Prices are below average for this route right now, with typical round-trip fares ranging from $217 to $430. The lowest price found in the past 5 days was $156 on Southwest.

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

Saturday is the cheapest day of the week to fly from Santa Rosa to Seattle, it is 18% cheaper than the average day. Sunday is the most expensive day with flight prices 29% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 ($444) and July ($385) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 100% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 64% 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

March

Cheapest flight

$76
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly with an average 48% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • What airlines are available from Santa Rosa to Seattle?

    Only Alaska Airlines operates flights between Santa Rosa and Seattle.

  • 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 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 and a checked bag in Business Class

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

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

    Three cabin classes are available on flights from Santa Rosa to Seattle:

    • Economy Class
    • Business Class
    • First Class

  • 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 $260 round-trip via Phoenix Sky Harbor Intl (PHX), compared to $300 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.

  • 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
    • Phoenix Sky Harbor Intl (PHX) - 40% of one-stop connections
    • San Diego (SAN) - 10% of one-stop connections
    • Salt Lake City (SLC) - 10% of one-stop connections

    Portland (PDX) handles the largest share of one-stop connections on this route.

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

    On the Santa Rosa to Seattle route, being flexible with your departure day can save you up to 37%. Saturday is the cheapest day at $247 round-trip on average, while Sunday is the most expensive at $387: a $140 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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%.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • 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 8:03 am
    • Latest: departs at 5:34 pm and lands at 7:37 pm.

    The flight takes about 2h 03m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 92% above the route average of $300. Book 6 weeks before departure for the lowest fares.

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

    A nonstop flight from Santa Rosa to Seattle takes 2h 03m, 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 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 $91, which is 67% below the typical average for this route.

  • 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 12m via Phoenix Sky Harbor Intl (PHX).

  • 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
    · Dollar

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

    Round-trip flights from Santa Rosa to Seattle range from $217 to $430, with an average of $300 over the past 12 months. Anything below $217 counts as a good deal.

  • 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.

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 can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $247 - about $140 less than Sunday (36% 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 64% 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 $222 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 Phoenix Sky Harbor Intl Airport (PHX) can be cheaper than flying direct. The cheapest layover option averages $260 round-trip on this route - about $40 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.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - 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

Everything you need to know for your flight from Santa Rosa to Seattle

Information on your arrival and departure airports