$161+ Cheap flights from Steamboat Springs, CO to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — SEA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Steamboat Springs to Seattle
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Best
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One-way
Cheapest flights from Steamboat Springs to SeattleExplore 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 September 7, 2026.
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 September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:55 am -
2 stops10h 50m
Wed 10/287:30 am -
2 stops10h 55m
Deal found 9/5![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/133:14 pm -
1 stop7h 01m
Wed 10/2112:43 pm -
1 stop6h 38m
Deal found 9/5![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:43 pm -
2 stops10h 43m
Mon 10/195:00 am -
1 stop6h 41m
Deal found 9/6![United Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:55 am -
2 stops10h 50m
Wed 10/218:45 am -
2 stops9h 40m
Deal found 9/5![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:45 am -
2 stops10h 25m
Mon 10/198:05 am -
2 stops10h 15m
Deal found 9/6![Southwest logo]()
$393
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/291:27 pm -
1 stop5h 30m
Wed 11/45:05 am -
1 stop6h 20m
Deal found 9/2![United Airlines logo]()
$397
Best flights from Steamboat Springs to SeattleDiscover carefully curated flight deals from Steamboat Springs to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Steamboat Springs to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:55 am -
1 stop11h 10m
Wed 10/288:55 am -
2 stops9h 30m
Deal found 9/5![Southwest logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 2/245:25 pm -
Nonstop3h 08m
Sat 2/2712:03 pm -
Nonstop2h 32m
Deal found 9/6![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:14 pm -
1 stop7h 01m
Mon 10/195:00 am -
1 stop6h 41m
Deal found 9/6![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/201:43 pm -
1 stop4h 54m
Wed 10/285:05 am -
1 stop6h 20m
Deal found 9/5![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:55 am -
2 stops10h 50m
Wed 10/218:45 am -
2 stops9h 40m
Deal found 9/5![Southwest logo]()
$360
Last-minute flights from Steamboat Springs to SeattleDiscover last-minute flight deals from Steamboat Springs to Seattle. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Steamboat Springs to Seattle. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/133:14 pm -
1 stop7h 01m
Wed 10/2112:43 pm -
1 stop6h 38m
Deal found 9/5![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:55 am -
2 stops10h 50m
Wed 10/218:45 am -
2 stops9h 40m
Deal found 9/5![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:43 pm -
2 stops10h 43m
Mon 10/195:00 am -
1 stop6h 41m
Deal found 9/6![United Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:45 am -
2 stops10h 25m
Mon 10/198:05 am -
2 stops10h 15m
Deal found 9/6![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:55 am -
2 stops10h 50m
Wed 10/287:30 am -
2 stops10h 55m
Deal found 9/5![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/291:27 pm -
1 stop5h 30m
Wed 11/45:05 am -
1 stop6h 20m
Deal found 9/2![United Airlines logo]()
$397
One-way flights from Steamboat Springs to SeattleSearch for one-way flight options from Steamboat Springs to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Steamboat Springs to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. 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 2/63:20 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$161
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 9/233:10 pm -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/247:05 am -
2 stops13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$176
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 2/34:15 pm -
1 stop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Alaska Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 9/4. 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 1/261:29 pm -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/197:05 am -
2 stops10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 9/5. 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 2/43:20 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 2/75:25 pm -
Nonstop3h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Alaska Airlines logo]()
$224
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 September 7, 2026.
Round-trip from | $331 (Southwest) |
|---|---|
One-way from | $161 (United Airlines) |
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 7,457,451 searches. Data last updated September 7, 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
Cheapest round-trip
Quickest round-trip
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Fri 1/29
1:29 pm-6:09 pm
1 stop5h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$161
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Tue 1/26
1:29 pm-6:09 pm
1 stop5h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$201
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Fri 2/5
1:29 pm-9:56 pm
2 stops9h 27m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$206
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Sat 9/19
7:05 am-4:14 pm
2 stops10h 09m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$206
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Sun 1/31
4:15 pm-9:44 pm
1 stop6h 29m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$234
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Sun 2/7
4:15 pm-9:44 pm
1 stop6h 29m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$234
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Tue 10/20
8:55 am-7:05 pm
1 stop11h 10m
Seattle/Tacoma Intl
Wed 10/28
8:55 am-7:25 pm
2 stops9h 30m
$332
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Wed 2/24
5:25 pm-7:33 pm
Nonstop3h 08m
Seattle/Tacoma Intl
Sat 2/27
12:03 pm-3:35 pm
Nonstop2h 32m
$337
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Fri 10/16
3:14 pm-9:15 pm
1 stop7h 01m
Seattle/Tacoma Intl
Mon 10/19
5:00 am-12:41 pm
1 stop6h 41m
$341
HaydenSeattle
HDN Hayden Yampa Valley - SEA Seattle/Tacoma Intl
HDNSEA
Hayden Yampa Valley
Tue 10/20
1:43 pm-5:37 pm
1 stop4h 54m
Seattle/Tacoma Intl
Wed 10/28
5:05 am-12:25 pm
1 stop6h 20m
$341
Showing 1-10 of 11 resultsSorted 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.
HDN-SEA
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
ST9-SEA
HDN-SEA
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 September 7, 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 September 7, 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.
Overall
7.4
Entertainment
7.1
Food
6.6
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Overall
7.4
Entertainment
7.1
Food
6.6
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
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Steamboat Springs and Seattle flights
Browse other Steamboat Springs and Seattle flight options. Last updated on September 7, 2026.
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Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Steamboat Springs to Seattle flights
Consider these flights traveling from Steamboat Springs to Seattle.
Top airline flying from Steamboat Springs to Seattle
Discover the top airline 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$457 | FlexibilityNo cancel fee | On-time69% |