When did momondo last update prices for flights from Lambert-St Louis Airport to Aspen Pitkin County Airport?

Prices for flights from Lambert-St Louis Airport to Aspen Pitkin County Airport refresh daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to Aspen Pitkin County Airport?

There are 2 operators available for flights from Lambert-St Louis Airport to Aspen Pitkin County Airport as of March 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Aspen Pitkin County Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Aspen Pitkin County Airport.

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

The required travel and health documents for your Aspen Pitkin County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Aspen Pitkin County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$329 Cheap Flights from St. Louis to Aspen in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Aspen?

Prices are currently low for flights on this route. Typical prices usually range from $993 to $557. The lowest price recently found on this route was $329.

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Find the cheapest flights from St. Louis to Aspen

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:54 am - 12:25 pm

STL

ASE

4h 31m

1 stop

1:25 pm - 8:54 pm

ASE

STL

6h 29m

1 stop

$329United Airlines

Fri, Apr 10 - Tue, Apr 14

8:54 am - 12:25 pm

STL

ASE

4h 31m

1 stop

12:14 pm - 9:52 pm

ASE

STL

8h 38m

2 stops

$334United Airlines

Fri, Apr 10 - Tue, Apr 14

7:45 am - 3:17 pm

STL

ASE

8h 32m

1 stop

3:29 pm - 8:54 pm

ASE

STL

4h 25m

1 stop

$409United Airlines

Sat, Apr 11 - Wed, Apr 15

5:10 am - 8:46 am

STL

ASE

4h 36m

1 stop

5:10 pm - 11:57 pm

ASE

STL

5h 47m

1 stop

$412United Airlines

Thu, Jul 2 - Thu, Jul 2

8:21 am - 2:40 pm

STL

ASE

7h 19m

2 stops

10:15 am - 4:56 pm

ASE

STL

5h 41m

1 stop

$414United Airlines

Sat, Apr 11 - Wed, Apr 15

5:10 am - 8:46 am

STL

ASE

4h 36m

1 stop

1:07 pm - 9:26 pm

ASE

STL

7h 19m

2 stops

$417United Airlines

Thu, Jul 2 - Thu, Jul 2

7:45 am - 5:30 pm

STL

ASE

10h 45m

2 stops

10:15 am - 9:52 pm

ASE

STL

10h 37m

2 stops

$419United Airlines

Fri, Apr 10 - Tue, Apr 14

8:54 am - 1:23 pm

STL

ASE

5h 29m

1 stop

11:15 am - 4:56 pm

ASE

STL

4h 41m

1 stop

$494United Airlines

Thu, Apr 9 - Mon, Apr 13

8:54 am - 1:23 pm

STL

ASE

5h 29m

1 stop

10:15 am - 9:13 pm

ASE

STL

9h 58m

2 stops

$499United Airlines

Thu, Apr 9 - Mon, Apr 13

7:45 am - 5:30 pm

STL

ASE

10h 45m

2 stops

10:15 am - 9:13 pm

ASE

STL

9h 58m

2 stops

$504United Airlines

Thu, Apr 9 - Mon, Apr 13

United Airlines flights from St. Louis to Aspen

Our best United Airlines deals on St. Louis to Aspen flight tickets

United Airlines

Apr 10

STL8:54 amLambert-St Louis

4h 31m

1 stop

ASE12:25 pmAspen Pitkin County

Apr 14

ASE1:25 pmAspen Pitkin County

6h 29m

1 stop

STL8:54 pmLambert-St Louis

$329

United Airlines

Apr 10

STL8:54 amLambert-St Louis

4h 31m

1 stop

ASE12:25 pmAspen Pitkin County

Apr 14

ASE12:14 pmAspen Pitkin County

8h 38m

2 stops

STL9:52 pmLambert-St Louis

$334

United Airlines

Apr 11

STL7:45 amLambert-St Louis

8h 32m

1 stop

ASE3:17 pmAspen Pitkin County

Apr 15

ASE3:29 pmAspen Pitkin County

4h 25m

1 stop

STL8:54 pmLambert-St Louis

$409

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Fri 4/10

8:54 am-12:25 pm

1 stop4h 31m

Aspen Pitkin County

Tue 4/14

1:25 pm-8:54 pm

1 stop6h 29m

$329

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Fri 4/10

8:54 am-12:25 pm

1 stop4h 31m

Aspen Pitkin County

Tue 4/14

12:14 pm-9:52 pm

2 stops8h 38m

$334

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Sat 4/11

7:45 am-3:17 pm

1 stop8h 32m

Aspen Pitkin County

Wed 4/15

3:29 pm-8:54 pm

1 stop4h 25m

$409

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Thu 7/2

5:10 am-8:46 am

1 stop4h 36m

Aspen Pitkin County

Thu 7/2

5:10 pm-11:57 pm

1 stop5h 47m

$412

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Sat 4/11

8:21 am-2:40 pm

2 stops7h 19m

Aspen Pitkin County

Wed 4/15

10:15 am-4:56 pm

1 stop5h 41m

$414

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Thu 7/2

5:10 am-8:46 am

1 stop4h 36m

Aspen Pitkin County

Thu 7/2

1:07 pm-9:26 pm

2 stops7h 19m

$417

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Fri 4/10

7:45 am-5:30 pm

2 stops10h 45m

Aspen Pitkin County

Tue 4/14

10:15 am-9:52 pm

2 stops10h 37m

$419

Quickest round-trip

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Thu 4/9

8:54 am-1:23 pm

1 stop5h 29m

Aspen Pitkin County

Mon 4/13

11:15 am-4:56 pm

1 stop4h 41m

$494

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Thu 4/9

8:54 am-1:23 pm

1 stop5h 29m

Aspen Pitkin County

Mon 4/13

10:15 am-9:13 pm

2 stops9h 58m

$499

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Thu 4/9

7:45 am-5:30 pm

2 stops10h 45m

Aspen Pitkin County

Mon 4/13

10:15 am-9:13 pm

2 stops9h 58m

$504

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from St. Louis 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 St. Louis and Aspen?

When to book flights from St. Louis to Aspen

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Aspen according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Aspen (STL to ASE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Aspen

Fastest flight time	4h 36m
Direct flights	None

The fastest flight from St. Louis to Aspen takes 4h 36m

There are no direct flights from St. Louis to Aspen. There are no popular flight routes from St. Louis to Aspen.

Search flight deals

How far is Lambert-St Louis to Aspen Pitkin County by plane?
A flight from Lambert-St Louis to Aspen Pitkin County will travel around 892.5 mi. Flights usually cover this in 4h 36m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Aspen Pitkin County Airport?
Prices for flights from Lambert-St Louis Airport to Aspen Pitkin County Airport refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Aspen Pitkin County Airport?
There are 2 operators available for flights from Lambert-St Louis Airport to Aspen Pitkin County Airport as of March 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Aspen Pitkin County Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Aspen Pitkin County Airport.
What documentation or ID do you need to fly to Aspen Pitkin County Airport?
The required travel and health documents for your Aspen Pitkin County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Aspen Pitkin County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from St. Louis to Aspen?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Aspen is United Airlines (80% of total bookings). The next most popular airline is American Airlines (20%).

Best airlines flying from St. Louis to Aspen

Compare and see reviews for airlines that fly from St. Louis to Aspen with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $236	Free Cancellation	Rating 7.1 11,520 reviews		Search American Airlines flights
United Airlines	PriceFrom $269	Free Cancellation	Rating 7.4 9,499 reviews		Search United Airlines flights

Leadville

Snowmass Village

Carbondale

Snowmass

Buena Vista

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