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$116+ Cheap flights from Steamboat Springs, CO to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — SEA
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Steamboat Springs to Seattle

Cheapest flights from Steamboat Springs to Seattle
Explore the most affordable flight options available from Steamboat Springs to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:35 pm
HDN
-
SEA
1 stop6h 39m
United Airlines
Wed 3/255:00 am
SEA
-
HDN
1 stop6h 36m
United Airlines
Deal found 3/5$301
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:40 pm
HDN
-
SEA
2 stops10h 49m
United Airlines
Tue 5/55:02 am
SEA
-
HDN
1 stop6h 31m
United Airlines
Deal found 3/8$306
This Alaska Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:29 pm
HDN
-
SEA
Nonstop2h 52m
Alaska Airlines
Wed 3/251:22 pm
SEA
-
HDN
Nonstop2h 27m
Alaska Airlines
Deal found 3/6$367
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:13 am
HDN
-
SEA
2 stops13h 05m
United Airlines
Tue 6/238:30 am
SEA
-
HDN
2 stops10h 47m
United Airlines
Deal found 3/8$368
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:14 pm
HDN
-
SEA
2 stops9h 45m
United Airlines
Mon 7/206:30 am
SEA
-
HDN
2 stops12h 47m
United Airlines
Deal found 3/5$389

Find flight deals from Steamboat Springs to Seattle

Keep the following information in mind while searching for Steamboat Springs to Seattle flight deals. Data was last updated March 10, 2026.

Round-trip from

$301
(United Airlines)

One-way from

$116
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$278
From Steamboat Springs to Seattle/Tacoma Intl
Search Deals
One-way flight from Steamboat Springs to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Steamboat Springs to Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Steamboat Springs to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Tue 3/24

3:35 pm-9:14 pm

1 stop6h 39m

Seattle/Tacoma Intl

Wed 3/25

5:00 am-12:36 pm

1 stop6h 36m

$301

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sat 5/2

1:40 pm-11:29 pm

2 stops10h 49m

Seattle/Tacoma Intl

Tue 5/5

5:02 am-12:33 pm

1 stop6h 31m

$306
Quickest round-trip

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sat 3/21

5:29 pm-7:21 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Wed 3/25

1:22 pm-4:49 pm

Nonstop2h 27m

$367
Cheapest one-way
Quickest one-way

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sun 4/5

3:25 pm-10:33 pm

1 stop8h 08m

$116

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Sorted by cheapest first

Best time to book a flight from Steamboat Springs to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Steamboat Springs with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Steamboat Springs to Seattle

What is the cheapest month to book a flight from Steamboat Springs to Seattle?

Currently, October is the cheapest month in which you can book a flight from Steamboat Springs to Seattle (average of $208). Flying from Steamboat Springs to Seattle in December is currently the most expensive (average of $582). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ST9 to SEA?

Find hourly flight availability from Steamboat Springs to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2026.

A simple way to save on the total cost of your ticket is to fly from Steamboat Springs to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated March 10, 2026.
Get a feel of what it's like to fly with United Airlines from Steamboat Springs to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,409 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Steamboat Springs to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Steamboat Springs?

    For a flight from Steamboat Springs to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 inbound flights from Steamboat Springs per day. 2 airlines have flights to Seattle/Tacoma Intl from Steamboat Springs on a regular basis.

  • How long is the flight from Steamboat Springs to Seattle?

    There are many flights that can get you from Steamboat Springs to Seattle in 6h 39m. Fly via United Airlines to get the fastest option. Steamboat Springs and Seattle are separated by a distance of 889 mi.

  • Can I find deals for flights from Steamboat Springs to Seattle that include hotel bookings?

    Yes. In addition to deals on Steamboat Springs to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Steamboat Springs to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Steamboat Springs to Seattle.

  • Can I find deals for business class flights from Steamboat Springs to Seattle?

    Yes. Cheapflights offers flight deals from Steamboat Springs to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Steamboat Springs to Seattle?

    Currently, October is the cheapest month in which you can book a flight from Steamboat Springs to Seattle (average of $208). Flying from Steamboat Springs to Seattle in December is currently the most expensive (average of $582). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Steamboat Springs to Seattle

Discover the top 2 airlines that operate flights from Steamboat Springs to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$208Average$418FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$383FlexibilityNo cancel feeOn-timeN/A

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