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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Aspen Pitkin County Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents required for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$269 Cheap Flights from Aspen to St. Louis in 2025/26

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12:22 pm - 8:26 pm

ASE

STL

7h 04m1 stop

8:41 am - 1:33 pm

STL

ASE

5h 52m1 stop

$299United Airlines

Fri, Feb 13 - Tue, Feb 17

1:34 pm - 8:26 pm

ASE

STL

5h 52m1 stop

11:25 am - 6:39 pm

STL

ASE

8h 14m2 stops

$304United Airlines

Fri, Feb 13 - Tue, Feb 17

1:34 pm - 10:59 pm

ASE

STL

8h 25m2 stops

7:41 am - 5:40 pm

STL

ASE

10h 59m2 stops

$309United Airlines

Fri, Feb 13 - Tue, Feb 17

1:09 pm - 7:29 pm

ASE

STL

5h 20m1 stop

7:15 am - 2:18 pm

STL

ASE

8h 03m1 stop

$384American Airlines

Wed, Jan 14 - Thu, Jan 22

1:33 pm - 8:58 pm

ASE

STL

6h 25m1 stop

8:05 am - 8:20 pm

STL

ASE

13h 15m2 stops

$404United Airlines

Wed, Jan 14 - Thu, Jan 22

12:36 pm - 10:58 pm

ASE

STL

9h 22m2 stops

8:05 am - 8:53 pm

STL

ASE

13h 48m2 stops

$769United Airlines

Wed, Jan 14 - Thu, Jan 22

United Airlines flights from Aspen to St. Louis

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

United Airlines

Feb 13

ASE12:22 pmAspen Pitkin County

7h 04m

1 stop

STL8:26 pmLambert-St Louis

Feb 17

STL8:41 amLambert-St Louis

5h 52m

1 stop

ASE1:33 pmAspen Pitkin County

$299

Find similar

United Airlines

Feb 13

ASE1:34 pmAspen Pitkin County

5h 52m

1 stop

STL8:26 pmLambert-St Louis

Feb 17

STL11:25 amLambert-St Louis

8h 14m

2 stops

ASE6:39 pmAspen Pitkin County

$304

Find similar

United Airlines

Feb 13

ASE1:34 pmAspen Pitkin County

8h 25m

2 stops

STL10:59 pmLambert-St Louis

Feb 17

STL7:41 amLambert-St Louis

10h 59m

2 stops

ASE5:40 pmAspen Pitkin County

$309

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AspenSt. Louis

ASE - STL

ASESTL

Aspen Pitkin County

Fri 2/13

12:22 pm-8:26 pm

1 stop7h 04m

Lambert-St Louis

Tue 2/17

8:41 am-1:33 pm

1 stop5h 52m

$299

AspenSt. Louis

ASE - STL

ASESTL

Aspen Pitkin County

Fri 2/13

1:34 pm-8:26 pm

1 stop5h 52m

Lambert-St Louis

Tue 2/17

11:25 am-6:39 pm

2 stops8h 14m

$304

AspenSt. Louis

ASE - STL

ASESTL

Aspen Pitkin County

Fri 2/13

1:34 pm-10:59 pm

2 stops8h 25m

Lambert-St Louis

Tue 2/17

7:41 am-5:40 pm

2 stops10h 59m

$309

AspenSt. Louis

ASE - STL

ASESTL

Aspen Pitkin County

Wed 1/14

1:09 pm-7:29 pm

1 stop5h 20m

Lambert-St Louis

Thu 1/22

7:15 am-2:18 pm

1 stop8h 03m

$384

AspenSt. Louis

ASE - STL

ASESTL

Aspen Pitkin County

Wed 1/14

1:33 pm-8:58 pm

1 stop6h 25m

Lambert-St Louis

Thu 1/22

8:05 am-8:20 pm

2 stops13h 15m

$404

AspenSt. Louis

ASE - STL

ASESTL

Aspen Pitkin County

Wed 1/14

12:36 pm-10:58 pm

2 stops9h 22m

Lambert-St Louis

Thu 1/22

8:05 am-8:53 pm

2 stops13h 48m

$769

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $636. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $686. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

When to book flights from Aspen to St. Louis

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

Estimated round-trip price

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

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

Fastest flight time	7h 02m
Direct flights	None

The fastest flight from Aspen to St. Louis takes 7h 02m

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

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How far is Aspen Pitkin County to Lambert-St Louis by plane?
Aspen Pitkin County and Lambert-St Louis are 892.5 mi apart from one another. Flights usually cover this in 7h 02m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Aspen Pitkin County Airport to Lambert-St Louis Airport?
Prices for flights from Aspen Pitkin County Airport to Lambert-St Louis Airport refresh daily.
How old do you have to be to fly from Aspen Pitkin County Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Aspen Pitkin County Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

St. Peters

Wentzville

Collinsville

Alton

Farmington

Clayton

Festus

Glencoe

Eureka

Edwardsville

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Aspen to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Aspen.

Can I find flights from Aspen to St. Louis with flexible booking policies on momondo?

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

How can momondo help me find flights from Aspen to St. Louis?

Once you have performed a search for Aspen to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Aspen and alert you when they change.

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Cheap flights from Aspen to St. Louis from $299

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Aspen to St. Louis departing on 2/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Aspen to St. Louis

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United Airlines flights from Aspen to St. Louis

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

What is the cheapest day to depart on your flight to St. Louis?

When to book flights from Aspen to St. Louis

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

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

Fastest flight time

Direct flights

How far is Aspen Pitkin County to Lambert-St Louis by plane?

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

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

What documentation or ID do you need to fly to Lambert-St Louis Airport?

Traveling to a place near St. Louis?

Why use momondo?

Why should I use momondo to find a flight deal from Aspen to St. Louis?

Can I find flights from Aspen to St. Louis with flexible booking policies on momondo?

How can momondo help me find flights from Aspen to St. Louis?

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

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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