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$105+ Cheap flights from Hayden, CO to Seattle (HDN - 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
HDN — SEA
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap flight deals from Hayden to Seattle

Cheapest flights from Hayden to Seattle
Explore the most affordable flight options available from Hayden to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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 12/245:00 pmHDN - SEA
1 stop7h 08mUnited Airlines
Sun 12/285:00 amSEA - HDN
1 stop7h 06mUnited Airlines
Deal found 12/9$471
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 12/245:25 pmHDN - SEA
Nonstop3h 08mAlaska Airlines
Sun 12/2812:05 pmSEA - HDN
Nonstop2h 32mAlaska Airlines
Deal found 12/9$472
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/195:00 pmHDN - SEA
1 stop7h 57mUnited Airlines
Wed 12/2412:44 pmSEA - HDN
1 stop6h 32mUnited Airlines
Deal found 12/7$500
This Southwest deal was found by Cheapflights users on 12/7. 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 12/1912:20 pmHDN - SEA
2 stops10h 50mSouthwest
Wed 12/245:15 amSEA - HDN
2 stops9h 35mSouthwest
Deal found 12/7$523

Find flight deals from Hayden to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Hayden (HDN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 9, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$279
(United Airlines)

One-way from

$105
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$928
Provider with most accurate pricing for Hayden Yampa Valley-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Hayden Yampa Valley-Seattle/Tacoma Intl flights.
Search Deals
From Hayden Yampa Valley to Seattle/Tacoma Intl
Search Deals
One-way flight from Hayden Yampa Valley to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Hayden 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 December 9, 2025.
Use the filters below to find and compare flights from Hayden to Seattle that are best for you.

Fly from

Hayden

Fly to

Seattle

Route

Depart

Return

Price

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Fri 1/16

4:58 pm-11:16 pm

1 stop7h 18m

Seattle/Tacoma Intl

Mon 1/19

9:00 am-4:13 pm

1 stop6h 13m

$279

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Wed 12/24

5:00 pm-11:08 pm

1 stop7h 08m

Seattle/Tacoma Intl

Sun 12/28

5:00 am-1:06 pm

1 stop7h 06m

$471

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Wed 12/24

5:25 pm-7:33 pm

Nonstop3h 08m

Seattle/Tacoma Intl

Sun 12/28

12:05 pm-3:37 pm

Nonstop2h 32m

$472

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Fri 12/19

5:00 pm-11:57 pm

1 stop7h 57m

Seattle/Tacoma Intl

Wed 12/24

12:44 pm-8:16 pm

1 stop6h 32m

$500

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Fri 1/9

4:58 pm-11:16 pm

1 stop7h 18m

$140

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sat 1/10

2:50 pm-9:12 pm

1 stop7h 22m

$140

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Wed 1/7

3:58 pm-5:56 pm

Nonstop2h 58m

$148

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sun 1/11

4:30 pm-6:24 pm

Nonstop2h 54m

$149

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sun 12/21

3:22 pm-11:31 pm

1 stop9h 09m

$170

HaydenSeattle

HDN - SEA

HDNSEA

Hayden Yampa Valley

Sat 1/10

3:58 pm-5:56 pm

Nonstop2h 58m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 12 results
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  • Most accurate provider: When it comes to deals on Hayden, Colorado-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hayden, Colorado-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hayden, Colorado-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hayden, Colorado-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hayden, Colorado-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hayden to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Hayden 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 Hayden to Seattle

What is the cheapest month to book a flight from Hayden, Colorado to Seattle?

Currently, October is the cheapest month in which you can book a flight from Hayden, Colorado to Seattle (average of $208). Flying from Hayden, Colorado to Seattle in December is currently the most expensive (average of $531). 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 HDN to SEA?

Find hourly flight availability from Hayden 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 December 9, 2025.

It’s optimal to fly from Hayden, Colorado to Seattle at noon. By choosing this option you can save up to 62% on the cost of your flight, compared to a flight in the afternoon.

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 December 9, 2025.
Read through reviews of airlines operating flights from Hayden to Seattle, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,089 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,089 reviews
United Airlines
7.4
Good
9,089 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

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

  • How long is the flight from Hayden, Colorado to Seattle?

    Airlines like United Airlines fly from Hayden, Colorado to Seattle in about 7h 18m. The time it takes to get you to your destination can typically vary by up to . Hayden, Colorado and Seattle are separated by a distance of 889 mi.

  • What is the cheapest airline to fly from Hayden, Colorado to Seattle round-trip?

    According to our current data, United Airlines ($208), offers the cheapest pricing from Hayden, Colorado to Seattle. Users have found that United Airlines is 54% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from Hayden to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Hayden 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 Hayden, Colorado to Seattle?

    Currently, October is the cheapest month in which you can book a flight from Hayden, Colorado to Seattle (average of $208). Flying from Hayden, Colorado to Seattle in December is currently the most expensive (average of $531). 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?

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Alternative routes for Hayden to Seattle

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Top airline flying from Hayden to Seattle

Discover the top airline that operate flights from Hayden 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$208Average$418FlexibilityNo cancel feeOn-time69%

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