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Cheap flights from Seattle to Aspen from $219

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 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Aspen

Cheap round-trip flights

Delta Logo
10:15 am - 5:53 pmSEA-ASE
6h 38m1 stop
Delta Logo
12:02 pm - 8:21 amASE-SEA
21h 19m2 stops
$297Delta
Find Deal
Sat, Sep 20 - Fri, Sep 26
United Airlines Logo
8:45 am - 4:54 pmSEA-ASE
7h 09m1 stop
United Airlines Logo
6:15 pm - 11:29 pmASE-SEA
6h 14m1 stop
$318United Airlines
Find Deal
Sat, Sep 20 - Fri, Sep 26
United Airlines Logo
6:25 am - 1:51 pmSEA-ASE
6h 26m1 stop
United Airlines Logo
6:15 pm - 11:29 pmASE-SEA
6h 14m1 stop
$319United Airlines
Find Deal
Sat, Sep 20 - Fri, Sep 26
United Airlines Logo
5:00 am - 11:04 amSEA-ASE
5h 04m1 stop
United Airlines Logo
12:36 pm - 9:12 pmASE-SEA
9h 36m2 stops
$324United Airlines
Find Deal
Sun, Jan 11 - Sat, Jan 17
Delta Logo
10:15 am - 5:53 pmSEA-ASE
6h 38m1 stop
Delta Logo
12:02 pm - 4:59 pmASE-SEA
5h 57m1 stop
$343Delta
Find Deal
Sat, Sep 20 - Fri, Sep 26
Delta Logo
10:15 am - 5:53 pmSEA-ASE
6h 38m1 stop
Delta Logo
12:02 pm - 4:59 pmASE-SEA
5h 57m1 stop
$359Delta
Find Deal
Fri, Sep 12 - Tue, Sep 16
United Airlines Logo
6:25 am - 1:51 pmSEA-ASE
6h 26m1 stop
United Airlines Logo
1:15 pm - 10:59 pmASE-SEA
10h 44m2 stops
$365United Airlines
Find Deal
Fri, Sep 12 - Tue, Sep 16
American Airlines Logo
12:27 am - 12:01 pmSEA-ASE
10h 34m1 stop
American Airlines Logo
12:26 pm - 7:03 pmASE-SEA
7h 37m1 stop
$374American Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17
American Airlines Logo
10:32 am - 7:44 pmSEA-ASE
8h 12m1 stop
American Airlines Logo
11:49 am - 5:26 pmASE-SEA
6h 37m1 stop
$1,277American Airlines
Find Deal
Sun, Dec 21 - Sat, Jan 3
American Airlines Logo
12:59 am - 10:49 amSEA-ASE
8h 50m1 stop
American Airlines Logo
11:49 am - 5:26 pmASE-SEA
6h 37m1 stop
$1,343American Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 3

Delta flights from Seattle to Aspen

Our best Delta deals on Seattle to Aspen flight tickets
Delta
Sep 20
SEA10:15 amSeattle/Tacoma Intl
6h 38m
1 stop
ASE5:53 pmAspen Pitkin County
Sep 26
ASE12:02 pmAspen Pitkin County
21h 19m
2 stops
SEA8:21 amSeattle/Tacoma Intl
$297
Find similar
Delta
Sep 20
SEA10:15 amSeattle/Tacoma Intl
6h 38m
1 stop
ASE5:53 pmAspen Pitkin County
Sep 26
ASE12:02 pmAspen Pitkin County
5h 57m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$343
Find similar
Delta
Sep 12
SEA10:15 amSeattle/Tacoma Intl
6h 38m
1 stop
ASE5:53 pmAspen Pitkin County
Sep 16
ASE12:02 pmAspen Pitkin County
5h 57m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$359
Find similar

United Airlines flights from Seattle to Aspen

Our best United Airlines deals on Seattle to Aspen flight tickets
United Airlines
Sep 20
SEA8:45 amSeattle/Tacoma Intl
7h 09m
1 stop
ASE4:54 pmAspen Pitkin County
Sep 26
ASE6:15 pmAspen Pitkin County
6h 14m
1 stop
SEA11:29 pmSeattle/Tacoma Intl
$318
Find similar
United Airlines
Sep 20
SEA6:25 amSeattle/Tacoma Intl
6h 26m
1 stop
ASE1:51 pmAspen Pitkin County
Sep 26
ASE6:15 pmAspen Pitkin County
6h 14m
1 stop
SEA11:29 pmSeattle/Tacoma Intl
$319
Find similar
United Airlines
Jan 11
SEA5:00 amSeattle/Tacoma Intl
5h 04m
1 stop
ASE11:04 amAspen Pitkin County
Jan 17
ASE12:36 pmAspen Pitkin County
9h 36m
2 stops
SEA9:12 pmSeattle/Tacoma Intl
$324
Find similar

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 August 28, 2025.
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

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 9/20

10:15 am-5:53 pm

1 stop6h 38m

Aspen Pitkin County

Fri 9/26

12:02 pm-8:21 am

2 stops21h 19m

$297

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 9/20

8:45 am-4:54 pm

1 stop7h 09m

Aspen Pitkin County

Fri 9/26

6:15 pm-11:29 pm

1 stop6h 14m

$318

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 9/20

6:25 am-1:51 pm

1 stop6h 26m

Aspen Pitkin County

Fri 9/26

6:15 pm-11:29 pm

1 stop6h 14m

$319

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sun 1/11

5:00 am-11:04 am

1 stop5h 04m

Aspen Pitkin County

Sat 1/17

12:36 pm-9:12 pm

2 stops9h 36m

$324

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 9/20

10:15 am-5:53 pm

1 stop6h 38m

Aspen Pitkin County

Fri 9/26

12:02 pm-4:59 pm

1 stop5h 57m

$343

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 9/12

10:15 am-5:53 pm

1 stop6h 38m

Aspen Pitkin County

Tue 9/16

12:02 pm-4:59 pm

1 stop5h 57m

$359

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Fri 9/12

6:25 am-1:51 pm

1 stop6h 26m

Aspen Pitkin County

Tue 9/16

1:15 pm-10:59 pm

2 stops10h 44m

$365

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 1/10

12:27 am-12:01 pm

1 stop10h 34m

Aspen Pitkin County

Sat 1/17

12:26 pm-7:03 pm

1 stop7h 37m

$374

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sun 12/21

10:32 am-7:44 pm

1 stop8h 12m

Aspen Pitkin County

Sat 1/3

11:49 am-5:26 pm

1 stop6h 37m

$1,277

SeattleAspen

SEA - ASE

SEAASE

Seattle/Tacoma Intl

Sat 12/20

12:59 am-10:49 am

1 stop8h 50m

Aspen Pitkin County

Sat 1/3

11:49 am-5:26 pm

1 stop6h 37m

$1,343

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 cheapest day to depart on your flight to Aspen?

The cheapest day to depart from Seattle to Aspen is on a Tuesday when prices can be found for as low as $475. The most expensive day to fly to Aspen is Thursday, with ticket prices averaging around $671.

What is the cheapest time of day to depart on your flight to Aspen?

At noon is the cheapest time of day to fly from Seattle to Aspen when you can find flight prices for as low as $487. Flying to Aspen at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $652. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Aspen?

You are more likely to see cheaper flights to Aspen from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Aspen for around $558 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Aspen from Seattle for as low as $400 on momondo.

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

Direct flights

None
There are no direct flights from Seattle to Aspen. There are no popular flight routes from Seattle to Aspen.
Search flight deals

  • 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 5h 04m.

  • 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
American AirlinesPriceFrom $330Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $383Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Traveling to a place near Aspen?

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