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Aspen

$219+ Cheap flights from Seattle to Aspen (SEA - ASE)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ASE
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Aspen Pitkin County are usually found in April or March, booked 17 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Aspen

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Aspen (ASE). 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 August 14, 2025.

Round-trip from

$249
(Delta)

One-way from

$219
(Delta)

Popular in

December

Cheapest in

April

Average price

$493
From Seattle/Tacoma Intl to Aspen Pitkin County
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One-way flight from Seattle/Tacoma Intl to Aspen Pitkin County
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Highest demand for flights based on searches. 10% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% 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 Seattle to Aspen

Cheapest flights from Seattle to Aspen
Explore the most affordable flight options available from Seattle to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:15 amSEA - ASE
1 stop6h 36mDelta
Wed 9/1012:05 pmASE - SEA
1 stop5h 46mDelta
Deal found 8/13$249
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:25 amSEA - ASE
2 stops9h 29mUnited Airlines
Wed 9/107:08 amASE - SEA
1 stop7h 20mUnited Airlines
Deal found 8/13$304
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Mon 9/85:02 amSEA - ASE
1 stop4h 48mUnited Airlines
Wed 9/101:15 pmASE - SEA
2 stops8h 39mUnited Airlines
Deal found 8/12$421
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 8/2912:43 pmSEA - ASE
1 stop7h 36mUnited Airlines
Sat 8/301:15 pmASE - SEA
2 stops10h 00mUnited Airlines
Deal found 8/13$460
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/26:25 amSEA - ASE
2 stops10h 54mUnited Airlines
Fri 9/512:25 pmASE - SEA
1 stop22h 18mUnited Airlines
Deal found 8/11$499
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.
Tue 8/196:25 amSEA - ASE
1 stop6h 26mUnited Airlines
Sat 8/237:08 amASE - SEA
1 stop7h 25mUnited Airlines
Deal found 8/13$519
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/112:46 amSEA - ASE
1 stop10h 00mAmerican Airlines
Fri 9/510:24 amASE - SEA
1 stop7h 29mAmerican Airlines
Deal found 8/11$524
This United Airlines deal was found by Cheapflights users on 8/12. 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 12/45:05 amSEA - ASE
1 stop4h 33mUnited Airlines
Sun 12/75:12 pmASE - SEA
1 stop5h 03mUnited Airlines
Deal found 8/12$528

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Aspen 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 Seattle to Aspen that are best for you.

Fly from

Seattle

Fly to

Aspen

Route

Depart

Return

Price

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Thu 9/4

10:15 am-5:51 pm

1 stop6h 36m

Aspen Pitkin County

Wed 9/10

12:05 pm-4:51 pm

1 stop5h 46m

$249

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Thu 9/4

6:25 am-4:54 pm

2 stops9h 29m

Aspen Pitkin County

Wed 9/10

7:08 am-1:28 pm

1 stop7h 20m

$304

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Mon 9/8

5:02 am-10:50 am

1 stop4h 48m

Aspen Pitkin County

Wed 9/10

1:15 pm-8:54 pm

2 stops8h 39m

$421

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 8/29

12:43 pm-9:19 pm

1 stop7h 36m

Aspen Pitkin County

Sat 8/30

1:15 pm-10:15 pm

2 stops10h 00m

$460

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Tue 9/2

11:30 pm-9:54 am

1 stop9h 24m

Aspen Pitkin County

Fri 9/5

12:16 pm-7:09 pm

1 stop7h 53m

$499

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Tue 9/2

6:25 am-6:19 pm

2 stops10h 54m

Aspen Pitkin County

Fri 9/5

12:25 pm-9:43 am

1 stop22h 18m

$499

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 8/29

11:30 pm-9:47 am

1 stop9h 17m

Aspen Pitkin County

Sat 8/30

4:53 pm-11:18 pm

1 stop7h 25m

$519

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Tue 8/19

6:25 am-1:51 pm

1 stop6h 26m

Aspen Pitkin County

Sat 8/23

7:08 am-1:33 pm

1 stop7h 25m

$519

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 9/19

10:15 am-5:53 pm

1 stop6h 38m

$219

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sun 9/21

10:15 am-5:53 pm

1 stop6h 38m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 16 results
1
2

Best time to book a flight from Seattle to Aspen

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

How far ahead should I book a flight from Seattle to Aspen?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Aspen. Price data was last updated on August 8, 2025.

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Aspen. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Aspen (average of $448). Flying from Seattle to Aspen in December is currently the most expensive (average of $665). 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 SEA to ASE?

Find hourly flight availability from Seattle to Aspen. 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.

One of the essential ways to save on airfare from Seattle to Aspen is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 26% on airfare.

Reviews of airlines servicing Aspen

Get insights into the airlines that provide service to Aspen. 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 Aspen. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Seattle to Aspen 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
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

  • What are the cheapest airlines flying from Seattle to Aspen round-trip?

    According to our current data, American Airlines ($330), and United Airlines ($378) offers the cheapest pricing from Seattle to Aspen. These flights start at 40% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Aspen one-way?

    One-way options have recently been found by users for as low as $219 on Delta. Other airlines that offer cheap prices include American Airlines from $275 and United Airlines from $278 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Aspen 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 Seattle to Aspen?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Aspen (average of $448). Flying from Seattle to Aspen in December is currently the most expensive (average of $665). 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 Aspen?

Book flights to Aspen if you plan to visit one of these locations
Snowmass Village
Carbondale
Buena Vista
Snowmass

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Top 2 airlines flying from Seattle to Aspen

Discover the top 2 airlines that operate flights from Seattle to Aspen. 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
American AirlinesCheapest$330Average$493FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$378Average$552FlexibilityNo cancel feeOn-time69%

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