What is the cheapest airline that flies from Illinois to Aspen Pitkin County?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Illinois to Aspen Pitkin County

What airlines fly to Aspen?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Aspen from Illinois according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Aspen. Keep in mind that there are 3 different airlines that fly to Aspen on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Aspen?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Aspen you fly into. For example, flying from Chicago to Montrose takes 3h 20m on average. On the other hand, flying from Peoria to Montrose takes 5h 07m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

How many flights depart from Illinois to Aspen on average per day?

As of September 2025, 2 flights take off from Illinois and land in Aspen each day. The most common flight departure time for this route is 9:00AM, with 50% of daily flights taking off at noon.

How many flights depart from Illinois to Aspen on average per week?

As of September 2025, 20 flights take off from Illinois and land in Aspen each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

When did momondo last update prices for flights from Illinois to Aspen Pitkin County Airport?

Prices for flights from Illinois to Aspen Pitkin County Airport refresh daily.

How many operators does momondo search for flights from Illinois to Aspen Pitkin County Airport?

As of September 2025, there are 2 operators available to choose from for flights from Illinois to Aspen Pitkin County Airport.

How old do you have to be to fly from Illinois to Aspen Pitkin County Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois 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.

$191 Cheap Flights from Illinois to Aspen in 2025/26

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Find the cheapest flights from Illinois to Aspen

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:20 pm - 2:37 pmORD-ASE

3h 17mnonstop

3:53 pm - 7:50 pmASE-ORD

2h 57mnonstop

$191American Airlines

Find Deal

Sun, Feb 1 - Thu, Feb 5

9:40 am - 12:01 pmORD-ASE

3h 21mnonstop

2:21 pm - 10:27 pmASE-ORD

7h 06m1 stop

$201American Airlines

Find Deal

Sun, Feb 1 - Thu, Feb 5

11:47 am - 6:25 pmORD-ASE

7h 38m1 stop

10:13 am - 5:38 pmASE-ORD

6h 25m1 stop

$211American Airlines

Find Deal

Sun, Feb 1 - Fri, Feb 6

12:50 pm - 3:20 pmORD-ASE

3h 30mnonstop

4:01 pm - 8:06 pmASE-ORD

3h 05mnonstop

$220United Airlines

Find Deal

Tue, Jan 13 - Sat, Jan 17

3:55 pm - 6:25 pmORD-ASE

3h 30mnonstop

5:02 pm - 11:59 pmASE-ORD

5h 57m1 stop

$230United Airlines

Find Deal

Tue, Jan 13 - Sat, Jan 17

5:00 am - 12:01 pmORD-ASE

8h 01m1 stop

2:21 pm - 10:27 pmASE-ORD

7h 06m1 stop

$240American Airlines

Find Deal

Tue, Jan 13 - Sat, Jan 17

3:23 pm - 9:55 pmSTL-ASE

7h 32m1 stop

3:34 pm - 9:54 pmASE-STL

5h 20m1 stop

$249United Airlines

Find Deal

Fri, Oct 24 - Fri, Oct 31

6:00 am - 11:10 amMDW-ASE

6h 10m1 stop

7:21 am - 4:09 pmASE-MDW

7h 48m1 stop

$569Delta

Find Deal

Sun, Oct 26 - Wed, Oct 29

6:00 am - 11:10 amMDW-ASE

6h 10m1 stop

7:21 am - 4:09 pmASE-MDW

7h 48m1 stop

$616Delta

Find Deal

Mon, Oct 20 - Wed, Oct 22

6:00 am - 11:10 amMDW-ASE

6h 10m1 stop

7:21 am - 4:09 pmASE-MDW

7h 48m1 stop

$619Delta

Find Deal

Sat, Oct 11 - Wed, Oct 15

United Airlines flights from Illinois to Aspen

Our best United Airlines deals on Illinois to Aspen flight tickets

United Airlines

Jan 13

ORD12:50 pmChicago O'Hare Intl

3h 30m

ASE3:20 pmAspen Pitkin County

Jan 17

ASE4:01 pmAspen Pitkin County

3h 05m

ORD8:06 pmChicago O'Hare Intl

$220

Find similar

United Airlines

Jan 13

ORD3:55 pmChicago O'Hare Intl

3h 30m

ASE6:25 pmAspen Pitkin County

Jan 17

ASE5:02 pmAspen Pitkin County

5h 57m

1 stop

ORD11:59 pmChicago O'Hare Intl

$230

Find similar

United Airlines

Oct 24

STL3:23 pmLambert-St Louis

7h 32m

1 stop

ASE9:55 pmAspen Pitkin County

Oct 31

ASE3:34 pmAspen Pitkin County

5h 20m

1 stop

STL9:54 pmLambert-St Louis

$249

Find similar

American Airlines flights from Illinois to Aspen

Our best American Airlines deals on Illinois to Aspen flight tickets

American Airlines

Feb 1

ORD12:20 pmChicago O'Hare Intl

3h 17m

ASE2:37 pmAspen Pitkin County

Feb 5

ASE3:53 pmAspen Pitkin County

2h 57m

ORD7:50 pmChicago O'Hare Intl

$191

Find similar

American Airlines

Feb 1

ORD9:40 amChicago O'Hare Intl

3h 21m

ASE12:01 pmAspen Pitkin County

Feb 5

ASE2:21 pmAspen Pitkin County

7h 06m

1 stop

ORD10:27 pmChicago O'Hare Intl

$201

Find similar

American Airlines

Feb 1

ORD11:47 amChicago O'Hare Intl

7h 38m

1 stop

ASE6:25 pmAspen Pitkin County

Feb 6

ASE10:13 amAspen Pitkin County

6h 25m

1 stop

ORD5:38 pmChicago O'Hare Intl

$211

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Sun 2/1

12:20 pm-2:37 pm

Nonstop3h 17m

Aspen Pitkin County

Thu 2/5

3:53 pm-7:50 pm

Nonstop2h 57m

$191

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Sun 2/1

9:40 am-12:01 pm

Nonstop3h 21m

Aspen Pitkin County

Thu 2/5

2:21 pm-10:27 pm

1 stop7h 06m

$201

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Sun 2/1

11:47 am-6:25 pm

1 stop7h 38m

Aspen Pitkin County

Fri 2/6

10:13 am-5:38 pm

1 stop6h 25m

$211

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Tue 1/13

12:50 pm-3:20 pm

Nonstop3h 30m

Aspen Pitkin County

Sat 1/17

4:01 pm-8:06 pm

Nonstop3h 05m

$220

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Tue 1/13

3:55 pm-6:25 pm

Nonstop3h 30m

Aspen Pitkin County

Sat 1/17

5:02 pm-11:59 pm

1 stop5h 57m

$230

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Tue 1/13

5:00 am-12:01 pm

1 stop8h 01m

Aspen Pitkin County

Sat 1/17

2:21 pm-10:27 pm

1 stop7h 06m

$240

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Fri 10/24

3:23 pm-9:55 pm

1 stop7h 32m

Aspen Pitkin County

Fri 10/31

3:34 pm-9:54 pm

1 stop5h 20m

$249

ChicagoAspen

MDW - ASE

MDWASE

Chicago Midway

Sun 10/26

6:00 am-11:10 am

1 stop6h 10m

Aspen Pitkin County

Wed 10/29

7:21 am-4:09 pm

1 stop7h 48m

$569

ChicagoAspen

MDW - ASE

MDWASE

Chicago Midway

Mon 10/20

6:00 am-11:10 am

1 stop6h 10m

Aspen Pitkin County

Wed 10/22

7:21 am-4:09 pm

1 stop7h 48m

$616

ChicagoAspen

MDW - ASE

MDWASE

Chicago Midway

Sat 10/11

6:00 am-11:10 am

1 stop6h 10m

Aspen Pitkin County

Wed 10/15

7:21 am-4:09 pm

1 stop7h 48m

$619

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How to get the cheapest flight ticket from Illinois 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

Prices

Airlines

Other information

What is the cheapest month to fly to Aspen?

The month of September is, on average, the cheapest month to fly to Aspen from Illinois, with most prices found around $414. If you aren’t able to travel to Aspen during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $479.

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

The cheapest day to depart from Illinois to Aspen is on a Tuesday when prices can be found for as low as $409. The most expensive day to fly to Aspen is Thursday, with ticket prices averaging around $590.

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

In the morning is the cheapest time of day to fly from Illinois to Aspen when you can find flight prices for as low as $507. Flying to Aspen in the morning 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 $613. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Illinois to Aspen Pitkin County flight route?

Fly from Chicago O'Hare Intl to Aspen Pitkin County for the best Illinois - Aspen Pitkin County flight prices

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

You are more likely to see cheaper flights to Aspen from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Aspen for around $512 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Aspen from Illinois for as low as $366 on momondo.

What cabin class options are available on Illinois to Aspen Pitkin County flights?

There are 4 cabin classes available to choose from on Illinois to Aspen Pitkin County flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Aspen flights?

You could potentially save up to 46% on your flight if you consider stops on a Illinois to Aspen flight.

Cheap Illinois to Aspen flight deals and tips

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

Best Price Found	$360
Fastest flight time	3h 06m
Direct flights	Every day
Airports in Aspen	1 airport

The best one-way flight to Aspen from Illinois in the past 72 hours is $360. The best round-trip flight deal from Illinois to Aspen found on momondo in the last 72 hours is $311.

The fastest flight from Illinois to Aspen takes 3h 06m

Direct flights go from Illinois to Aspen every day.

There is 1 airport near Aspen: Aspen Pitkin County (ASE)

Search flight deals

When did momondo last update prices for flights from Illinois to Aspen Pitkin County Airport?
Prices for flights from Illinois to Aspen Pitkin County Airport refresh daily.
How many operators does momondo search for flights from Illinois to Aspen Pitkin County Airport?
As of September 2025, there are 2 operators available to choose from for flights from Illinois to Aspen Pitkin County Airport.
How old do you have to be to fly from Illinois to Aspen Pitkin County Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois 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 plane model from Illinois to Aspen?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Aspen is Embraer 175 (Enhanced Winglets) (53.97% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 700 (45.19%), Airbus A319 (0.42%), and Boeing 737-700 (0.42%).

Best airlines flying from Illinois to Aspen

Compare and see reviews for airlines that fly from Illinois to Aspen with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $239	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $319	Free Cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights

Snowmass Village

Leadville

Snowmass

Carbondale

Buena Vista

Why use momondo?

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

Finding the right flight to Aspen from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Aspen quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Aspen from Illinois with this policy.

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

momondo helps you find the best flight between Illinois and Aspen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Aspen from Illinois 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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Cheap flights from Illinois to Aspen from $191

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Aspen departing on 2/1. 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 Illinois to Aspen

Cheap round-trip flights

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United Airlines flights from Illinois to Aspen

Our best United Airlines deals on Illinois to Aspen flight tickets

American Airlines flights from Illinois to Aspen

Our best American Airlines deals on Illinois to Aspen flight tickets

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How to get the cheapest flight ticket from Illinois 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 month to fly to Aspen?

The month of September is, on average, the cheapest month to fly to Aspen from Illinois, with most prices found around $414. If you aren’t able to travel to Aspen during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $479.

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

The cheapest day to depart from Illinois to Aspen is on a Tuesday when prices can be found for as low as $409. The most expensive day to fly to Aspen is Thursday, with ticket prices averaging around $590.

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

What is the cheapest Illinois to Aspen Pitkin County flight route?

Fly from Chicago O'Hare Intl to Aspen Pitkin County for the best Illinois - Aspen Pitkin County flight prices

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

What cabin class options are available on Illinois to Aspen Pitkin County flights?

There are 4 cabin classes available to choose from on Illinois to Aspen Pitkin County flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Aspen flights?

You could potentially save up to 46% on your flight if you consider stops on a Illinois to Aspen flight.

What is the cheapest airline that flies from Illinois to Aspen Pitkin County?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Illinois to Aspen Pitkin County

What airlines fly to Aspen?

How many flights depart from Illinois to Aspen on average per day?

As of September 2025, 2 flights take off from Illinois and land in Aspen each day. The most common flight departure time for this route is 9:00AM, with 50% of daily flights taking off at noon.

How many flights depart from Illinois to Aspen on average per week?

As of September 2025, 20 flights take off from Illinois and land in Aspen each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

How long does it take to fly to Aspen?

Cheap Illinois to Aspen flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Aspen

When did momondo last update prices for flights from Illinois to Aspen Pitkin County Airport?

How many operators does momondo search for flights from Illinois to Aspen Pitkin County Airport?

How old do you have to be to fly from Illinois to Aspen Pitkin County Airport?

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

What is the most popular plane model from Illinois to Aspen?

Best airlines flying from Illinois to Aspen

Compare and see reviews for airlines that fly from Illinois to Aspen with momondo

Traveling to a place near Aspen?

Why use momondo?

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

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

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

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

An easier way to manage your Aspen 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

Airports servicing Colorado