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$100+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — SEA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$326
(United Airlines)

One-way from

$264
(United Airlines)

Popular in

August

Cheapest in

April

Average price

$653
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. 21% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 9/53:15 pmHDN - SEA
1 stop7h 07mUnited Airlines
Mon 9/85:02 amSEA - HDN
1 stop6h 19mUnited Airlines
Deal found 8/13$326
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 9/121:25 pmHDN - SEA
1 stop5h 26mUnited Airlines
Fri 9/197:00 pmSEA - HDN
1 stop16h 21mUnited Airlines
Deal found 8/13$390
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:25 pmHDN - SEA
2 stops12h 50mSouthwest
Fri 9/198:15 pmSEA - HDN
2 stops14h 10mSouthwest
Deal found 8/13$415
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/241:25 pmHDN - SEA
2 stops9h 50mUnited Airlines
Sun 9/285:00 amSEA - HDN
1 stop6h 29mUnited Airlines
Deal found 8/13$419

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 August 14, 2025.
Use the filters below to find and compare flights from Steamboat Springs to Seattle that are best for you.

Fly from

Steamboat Springs

Fly to

Seattle

Route

Depart

Return

Price

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Fri 9/5

3:15 pm-9:22 pm

1 stop7h 07m

Seattle/Tacoma Intl

Mon 9/8

5:02 am-12:21 pm

1 stop6h 19m

$326

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Fri 9/12

1:25 pm-5:51 pm

1 stop5h 26m

Seattle/Tacoma Intl

Fri 9/19

7:00 pm-12:21 pm

1 stop16h 21m

$390

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Fri 9/12

12:25 pm-12:15 am

2 stops12h 50m

Seattle/Tacoma Intl

Fri 9/19

8:15 pm-11:25 am

2 stops14h 10m

$415

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Wed 9/24

1:25 pm-10:15 pm

2 stops9h 50m

Seattle/Tacoma Intl

Sun 9/28

5:00 am-12:29 pm

1 stop6h 29m

$419

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sat 1/24

9:55 am-7:55 pm

2 stops11h 00m

$100

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sat 1/24

2:50 pm-8:59 pm

1 stop7h 09m

$106

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Fri 1/23

12:35 pm-9:19 pm

1 stop9h 44m

$141

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Thu 1/22

12:35 pm-9:19 pm

1 stop9h 44m

$141

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Fri 1/23

1:29 pm-10:18 pm

2 stops9h 49m

$146

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Thu 1/22

1:29 pm-10:18 pm

2 stops9h 49m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 13 results
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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, January is the cheapest month in which you can book a flight from Steamboat Springs to Seattle (average of $238). Flying from Steamboat Springs to Seattle in June is currently the most expensive (average of $389). 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 August 14, 2025.

When flying from Steamboat Springs to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 14, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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. 4 airlines have flights to Seattle/Tacoma Intl from Steamboat Springs on a regular basis.

  • 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, January is the cheapest month in which you can book a flight from Steamboat Springs to Seattle (average of $238). Flying from Steamboat Springs to Seattle in June is currently the most expensive (average of $389). 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
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
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Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
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Federal Way
Shelton

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Top 4 airlines flying from Steamboat Springs to Seattle

Discover the top 4 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$383FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$269Average$478FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$276Average$446FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$308Average$520FlexibilityNo cancel feeOn-time69%

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