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Cheap flights from Seattle to Aspen from $215

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Aspen departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Aspen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 12:34 pm
SEA
-
ASE
6h 34m
1 stop
United Airlines Logo
8:30 am - 1:21 pm
ASE
-
SEA
5h 51m
1 stop
$309United Airlines
Tue, Sep 22 - Wed, Sep 30
United Airlines Logo
6:00 am - 1:41 pm
SEA
-
ASE
6h 41m
1 stop
United Airlines Logo
6:12 pm - 11:10 pm
ASE
-
SEA
5h 58m
1 stop
$322United Airlines
Sat, Jul 11 - Fri, Jul 17
United Airlines Logo
6:00 am - 1:41 pm
SEA
-
ASE
6h 41m
1 stop
United Airlines Logo
6:12 pm - 11:10 pm
ASE
-
SEA
5h 58m
1 stop
$323United Airlines
Sat, Jul 11 - Fri, Jul 17
United Airlines Logo
3:54 pm - 9:29 pm
SEA
-
ASE
4h 35m
1 stop
United Airlines Logo
1:15 pm - 9:01 pm
ASE
-
SEA
8h 46m
2 stops
$335United Airlines
Tue, Sep 22 - Wed, Sep 30
United Airlines Logo
6:00 am - 1:38 pm
SEA
-
ASE
6h 38m
1 stop
United Airlines Logo
7:15 pm - 1:13 am
ASE
-
SEA
6h 58m
1 stop
$354United Airlines
Mon, Jul 13 - Sat, Jul 18
United Airlines Logo
3:40 pm - 9:26 pm
SEA
-
ASE
4h 46m
1 stop
United Airlines Logo
6:12 pm - 11:10 pm
ASE
-
SEA
5h 58m
1 stop
$368United Airlines
Fri, Jul 10 - Mon, Jul 13
United Airlines Logo
3:40 pm - 9:26 pm
SEA
-
ASE
4h 46m
1 stop
United Airlines Logo
5:10 pm - 9:10 pm
ASE
-
SEA
5h 00m
1 stop
$377United Airlines
Fri, Jul 10 - Tue, Jul 14
United Airlines Logo
10:29 am - 7:31 pm
SEA
-
ASE
8h 02m
2 stops
United Airlines Logo
5:10 pm - 9:10 pm
ASE
-
SEA
5h 00m
1 stop
$382United Airlines
Fri, Jul 10 - Tue, Jul 14
United Airlines Logo
5:00 am - 10:44 am
SEA
-
ASE
4h 44m
1 stop
United Airlines Logo
4:45 pm - 9:15 pm
ASE
-
SEA
5h 30m
1 stop
$389United Airlines
Sat, Aug 22 - Wed, Aug 26
United Airlines Logo
8:45 am - 7:31 pm
SEA
-
ASE
9h 46m
2 stops
United Airlines Logo
6:12 pm - 11:10 pm
ASE
-
SEA
5h 58m
1 stop
$394United Airlines
Fri, Jul 10 - Mon, Jul 13

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United Airlines flights from Seattle to Aspen

Our best United Airlines deals on Seattle to Aspen flight tickets
United Airlines
Sep 19
SEA5:00 amSeattle/Tacoma Intl
4h 44m
1 stop
ASE10:44 amAspen Pitkin County
Sep 22
ASE8:05 amAspen Pitkin County
8h 34m
1 stop
SEA3:39 pmSeattle/Tacoma Intl
$309
United Airlines
Sep 19
SEA5:00 amSeattle/Tacoma Intl
4h 44m
1 stop
ASE10:44 amAspen Pitkin County
Sep 22
ASE8:30 amAspen Pitkin County
8h 44m
2 stops
SEA4:14 pmSeattle/Tacoma Intl
$314
United Airlines
Jul 11
SEA6:00 amSeattle/Tacoma Intl
6h 41m
1 stop
ASE1:41 pmAspen Pitkin County
Jul 17
ASE6:12 pmAspen Pitkin County
5h 58m
1 stop
SEA11:10 pmSeattle/Tacoma Intl
$322

Delta flights from Seattle to Aspen

Our best Delta deals on Seattle to Aspen flight tickets
Delta
Aug 18
SEA12:36 pmSeattle/Tacoma Intl
6h 48m
1 stop
ASE8:24 pmAspen Pitkin County
Aug 21
ASE12:03 pmAspen Pitkin County
22h 54m
1 stop
SEA9:57 amSeattle/Tacoma Intl
$427
Delta
Aug 11
SEA12:36 pmSeattle/Tacoma Intl
6h 48m
1 stop
ASE8:24 pmAspen Pitkin County
Aug 14
ASE12:03 pmAspen Pitkin County
22h 54m
1 stop
SEA9:57 amSeattle/Tacoma Intl
$472
Delta
Aug 14
SEA12:36 pmSeattle/Tacoma Intl
6h 48m
1 stop
ASE8:24 pmAspen Pitkin County
Aug 18
ASE12:03 pmAspen Pitkin County
22h 54m
1 stop
SEA9:57 amSeattle/Tacoma Intl
$482

momondo 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, momondo users made 832,500 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Seattle to Aspen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Tue 9/22

5:00 am-12:34 pm

1 stop6h 34m

Aspen Pitkin County

Wed 9/30

8:30 am-1:21 pm

1 stop5h 51m

$309

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 7/11

6:00 am-1:41 pm

1 stop6h 41m

Aspen Pitkin County

Fri 7/17

6:12 pm-11:10 pm

1 stop5h 58m

$322

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 7/11

6:00 am-1:41 pm

1 stop6h 41m

Aspen Pitkin County

Fri 7/17

6:12 pm-11:10 pm

1 stop5h 58m

$323

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Tue 9/22

3:54 pm-9:29 pm

1 stop4h 35m

Aspen Pitkin County

Wed 9/30

1:15 pm-9:01 pm

2 stops8h 46m

$335

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Mon 7/13

6:00 am-1:38 pm

1 stop6h 38m

Aspen Pitkin County

Sat 7/18

7:15 pm-1:13 am

1 stop6h 58m

$354

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 7/10

3:40 pm-9:26 pm

1 stop4h 46m

Aspen Pitkin County

Mon 7/13

6:12 pm-11:10 pm

1 stop5h 58m

$368
Quickest round-trip

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 7/10

3:40 pm-9:26 pm

1 stop4h 46m

Aspen Pitkin County

Tue 7/14

5:10 pm-9:10 pm

1 stop5h 00m

$377

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 7/10

10:29 am-7:31 pm

2 stops8h 02m

Aspen Pitkin County

Tue 7/14

5:10 pm-9:10 pm

1 stop5h 00m

$382

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 8/22

5:00 am-10:44 am

1 stop4h 44m

Aspen Pitkin County

Wed 8/26

4:45 pm-9:15 pm

1 stop5h 30m

$389

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 7/10

8:45 am-7:31 pm

2 stops9h 46m

Aspen Pitkin County

Mon 7/13

6:12 pm-11:10 pm

1 stop5h 58m

$394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Aspen from

How to get the cheapest flight ticket from Seattle to Aspen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Aspen?

What is the cheapest month to fly to Aspen?

The month of November is, on average, the cheapest month to fly to Aspen from Seattle, with most prices found around $308. If you aren’t able to travel to Aspen during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $388.

When to book flights from Seattle to Aspen

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Aspen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Aspen (SEA to ASE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Aspen

Fastest flight time

4h 36m

Direct flights

None
The fastest flight from Seattle to Aspen takes 4h 36m
There are no direct flights from Seattle to Aspen. There are no popular flight routes from Seattle to Aspen.
Search flight deals

Frequently asked questions about flying from Seattle to Aspen

  • How far is Seattle/Tacoma Intl to Aspen Pitkin County by plane?

    A flight from Seattle/Tacoma Intl to Aspen Pitkin County will travel around 968.9 mi. In terms of flight time, this usually takes a little over 4h 36m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Aspen Pitkin County Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Aspen Pitkin County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Aspen Pitkin County Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Aspen Pitkin County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Aspen Pitkin County Airport.

  • What documentation or ID do you need to fly to Aspen Pitkin County Airport?

    The travel and health documents required for your trip to Aspen Pitkin County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Aspen Pitkin County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Aspen?

Best airlines flying from Seattle to Aspen

Compare and see reviews for airlines that fly from Seattle to Aspen with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $301Free CancellationRating
7.4
9,831 reviews
Search United Airlines flights

Traveling to a place near Aspen?

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

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Aspen?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Aspen for you.

Can I find flights from Seattle to Aspen with flexible booking policies on momondo?

momondo does allow users to show only those flights to Aspen from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Aspen?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Aspen from Seattle.

I’m not ready to book a flight from Seattle to Aspen right now. Can momondo alert me if prices change?

Price alerts on flights to Aspen from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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