Cheap flights from St. Louis to Aspen (STL - ASE)

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The best prices from Lambert-St Louis to Aspen Pitkin County are usually found in May or March, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Monday

How to find the cheapest flight from
St. Louis (STL) to Aspen (ASE)

All the information you need to plan the best STL to ASE flight in 2022: compare St. Louis to Aspen flight prices with the expected peak season, weather and rainfall in Aspen.
STL - ASE
Price
$254 - $791
ASE
Temperature
19.4 - 64.4 °F
ASE
Rainfall
1 - 1.8 inches

Popular in

September

High demand for flights, 43% potential price rise

Cheapest in

May

Best time to find cheap flights, 44% potential price drop

Average price

$254

Average for round-trip flights in May 2022

Round-trip from

$254

From Lambert-St Louis to Aspen Pitkin County

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from St. Louis to Aspen?

To save on the cost of your flight from St. Louis to Aspen, book at least 59 days before your planned departure. Booking around this time can save you about 74% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $457 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $662.

What is the cheapest month to fly from St. Louis to Aspen?

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, May can be a great choice for travel to Aspen. Flights to Aspen from St. Louis in May are about $454 on average during May, but can be found for as low as $254.

When is the cheapest time to fly from St. Louis to Aspen (STL - ASE)?

When flying from St. Louis to Aspen, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 31% versus a flight in the evening.

What is the cheapest day to fly round-trip from St. Louis to Aspen?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Aspen. Check prices with Cheapflights to find a great deal for your trip.

Cheap flights from St. Louis to Aspen in May, June 2022

The best prices found for STL to ASE flights for May, June
2 Jun - 6 Jun
$699pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
ASE
Aspen Pitkin County
ASE
Aspen Pitkin County
United Airlines
 
1 STOP
STL
Lambert-St Louis
19 May - 24 May
$718pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
ASE
Aspen Pitkin County
ASE
Aspen Pitkin County
United Airlines
 
1 STOP
STL
Lambert-St Louis
18 Jun - 2 Jul
$728pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
ASE
Aspen Pitkin County
ASE
Aspen Pitkin County
American Airlines
 
1 STOP
STL
Lambert-St Louis

Lambert-St Louis to Aspen 2022 flight deals

Cheap flights to Aspen from St. Louis found for this year
17 Nov - 20 Nov
$498pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
ASE
Aspen Pitkin County
ASE
Aspen Pitkin County
United Airlines
 
1 STOP
STL
Lambert-St Louis
13 Oct - 17 Oct
$538pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
ASE
Aspen Pitkin County
ASE
Aspen Pitkin County
American Airlines
 
1 STOP
STL
Lambert-St Louis
6 Aug - 9 Aug
$568pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
ASE
Aspen Pitkin County
ASE
Aspen Pitkin County
American Airlines
 
1 STOP
STL
Lambert-St Louis

One-way flights to Pitkin County from St. Louis

The cheapest one-way flights from St. Louis to Aspen
5:20 pm - 9:58 am
Multiple Airlines
2 Stops
41h 38m
STL - ASE
Multiple Airlines
$487
Kiwi.com
3:14 am - 12:02 pm
American Airlines
2 Stops
9h 48m
STL - ASE
American Airlines
2:00 am - 8:31 am
United Airlines
2 Stops
7h 31m
STL - ASE
United Airlines
$668
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Aspen</span> flights.

Flight FAQs

From St. Louis to Aspen

Which airlines flying from Lambert-St Louis to Aspen Pitkin County have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Lambert-St Louis to Aspen Pitkin County that may be offering flexible cancellation policies are United Airlines, American Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from St. Louis to Aspen for under $600 on Cheapflights?

Yes, there are multiple flights from St. Louis to Aspen for under $600. The cheapest flight booked recently is on American Airlines for just $538, but on average you can expect to pay $711.

What are the cheapest airlines flying from St. Louis to Aspen round-trip?

Flying on American Airlines is currently your cheapest option to Aspen, with prices starting at $538. Another option worth looking into is United Airlines, starting at $699 round trip.

What are the cheapest flights from St. Louis to Aspen?

Looking at all options, your cheapest flight can be booked for $334. While the most popular route (Lambert-St Louis - Aspen Pitkin County) can be booked for $498 on average our data indicates $717 when flying from St. Louis to Aspen.

What are the most popular airlines that fly from St. Louis to Aspen?

When booking a flight from St. Louis to Aspen, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Aspen, CO

Do I need a COVID test to fly to Aspen from St. Louis?

Information is based on travel restrictions for travel to Aspen Pitkin County within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Aspen Pitkin County.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Aspen Pitkin County.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Aspen Pitkin County.

Do I need a test to fly back to St. Louis from Aspen?

Returning to Lambert-St Louis from Aspen Pitkin County

COVID-19 testing requirements
Visitors from Aspen Pitkin County must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Aspen Pitkin County are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Aspen, CO

Alternative routes for St. Louis to Aspen

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Aspen

Things to know before you go - useful duration and weather info for your trip from St. Louis to Aspen.

Airports servicing St. Louis

Airports servicing Aspen

Top 3 airlines flying from Lambert-St Louis to Aspen Pitkin County

The chart below displays the airlines Cheapflights users traveling from St. Louis to Aspen choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$238 $564 No cancel fee 71%
Delta
$306 $450 No cancel fee N/A
United Airlines
$328 $556 No cancel fee 69%
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