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Cheap flights from Illinois to Aspen from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Aspen departing on 11/4. 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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0 bags

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Find the cheapest flights from Illinois to Aspen

Cheap round-trip flights

American Airlines Logo
9:40 am - 11:46 amORD-ASE
3h 06mnonstop
American Airlines Logo
12:14 pm - 4:12 pmASE-ORD
2h 58mnonstop
$229American Airlines
Find Deal
Sat, Aug 30 - Fri, Sep 5
American Airlines Logo
7:23 am - 11:46 amSTL-ASE
5h 23m1 stop
American Airlines Logo
10:18 am - 6:30 pmASE-STL
7h 12m1 stop
$239American Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
United Airlines Logo
7:35 pm - 9:45 pmORD-ASE
3h 10mnonstop
United Airlines Logo
2:40 pm - 10:42 pmASE-ORD
7h 02m1 stop
$239United Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
United Airlines Logo
7:35 pm - 9:45 pmORD-ASE
3h 10mnonstop
United Airlines Logo
9:05 am - 1:08 pmASE-ORD
3h 03mnonstop
$244United Airlines
Find Deal
Fri, Aug 22 - Tue, Aug 26
United Airlines Logo
5:00 am - 9:27 amORD-ASE
5h 27m1 stop
United Airlines Logo
2:40 pm - 8:41 pmASE-ORD
5h 01m1 stop
$249United Airlines
Find Deal
Thu, Sep 4 - Thu, Sep 11
United Airlines Logo
5:00 am - 10:50 amORD-ASE
6h 50m1 stop
United Airlines Logo
9:05 am - 1:08 pmASE-ORD
3h 03mnonstop
$254United Airlines
Find Deal
Fri, Aug 22 - Tue, Aug 26
American Airlines Logo
5:18 am - 11:44 amORD-ASE
7h 26m1 stop
American Airlines Logo
2:16 pm - 9:16 pmASE-ORD
6h 00m1 stop
$270American Airlines
Find Deal
Fri, Nov 14 - Fri, Dec 5
Delta Logo
5:20 am - 11:29 amORD-ASE
7h 09m1 stop
Delta Logo
7:21 am - 8:23 pmASE-ORD
12h 02m2 stops
$340Delta
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Sat, Oct 25 - Tue, Oct 28
Delta Logo
6:00 am - 11:32 amMDW-ASE
6h 32m1 stop
Delta Logo
1:50 pm - 9:44 pmASE-MDW
6h 54m1 stop
$479Delta
Find Deal
Fri, Nov 14 - Fri, Dec 5
Delta Logo
6:00 am - 11:21 amMDW-ASE
6h 21m1 stop
Delta Logo
7:16 am - 6:37 pmASE-MDW
10h 21m2 stops
$594Delta
Find Deal
Sat, Aug 30 - Fri, Sep 5

United Airlines flights from Illinois to Aspen

Our best United Airlines deals on Illinois to Aspen flight tickets
United Airlines
Sep 4
ORD7:35 pmChicago O'Hare Intl
3h 10m
ASE9:45 pmAspen Pitkin County
Sep 8
ASE2:40 pmAspen Pitkin County
7h 02m
1 stop
ORD10:42 pmChicago O'Hare Intl
$239
Find similar
United Airlines
Aug 22
ORD7:35 pmChicago O'Hare Intl
3h 10m
ASE9:45 pmAspen Pitkin County
Aug 26
ASE9:05 amAspen Pitkin County
3h 03m
ORD1:08 pmChicago O'Hare Intl
$244
Find similar
United Airlines
Sep 4
ORD5:00 amChicago O'Hare Intl
5h 27m
1 stop
ASE9:27 amAspen Pitkin County
Sep 11
ASE2:40 pmAspen Pitkin County
5h 01m
1 stop
ORD8:41 pmChicago O'Hare Intl
$249
Find similar

American Airlines flights from Illinois to Aspen

Our best American Airlines deals on Illinois to Aspen flight tickets
American Airlines
Aug 30
ORD9:40 amChicago O'Hare Intl
3h 06m
ASE11:46 amAspen Pitkin County
Sep 5
ASE12:14 pmAspen Pitkin County
2h 58m
ORD4:12 pmChicago O'Hare Intl
$229
Find similar
American Airlines
Aug 23
STL7:23 amLambert-St Louis
5h 23m
1 stop
ASE11:46 amAspen Pitkin County
Aug 30
ASE10:18 amAspen Pitkin County
7h 12m
1 stop
STL6:30 pmLambert-St Louis
$239
Find similar
American Airlines
Nov 14
ORD5:18 amChicago O'Hare Intl
7h 26m
1 stop
ASE11:44 amAspen Pitkin County
Dec 5
ASE2:16 pmAspen Pitkin County
6h 00m
1 stop
ORD9:16 pmChicago O'Hare Intl
$270
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 7, 2025.
Use the filters below to find and compare flights from Illinois to Aspen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Sat 8/30

9:40 am-11:46 am

Nonstop3h 06m

Aspen Pitkin County

Fri 9/5

12:14 pm-4:12 pm

Nonstop2h 58m

$229

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Sat 8/23

7:23 am-11:46 am

1 stop5h 23m

Aspen Pitkin County

Sat 8/30

10:18 am-6:30 pm

1 stop7h 12m

$239

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Thu 9/4

7:35 pm-9:45 pm

Nonstop3h 10m

Aspen Pitkin County

Mon 9/8

2:40 pm-10:42 pm

1 stop7h 02m

$239

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Fri 8/22

7:35 pm-9:45 pm

Nonstop3h 10m

Aspen Pitkin County

Tue 8/26

9:05 am-1:08 pm

Nonstop3h 03m

$244

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Thu 9/4

5:00 am-9:27 am

1 stop5h 27m

Aspen Pitkin County

Thu 9/11

2:40 pm-8:41 pm

1 stop5h 01m

$249

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Fri 8/22

5:00 am-10:50 am

1 stop6h 50m

Aspen Pitkin County

Tue 8/26

9:05 am-1:08 pm

Nonstop3h 03m

$254

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Fri 11/14

5:18 am-11:44 am

1 stop7h 26m

Aspen Pitkin County

Fri 12/5

2:16 pm-9:16 pm

1 stop6h 00m

$270

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Sat 10/25

5:20 am-11:29 am

1 stop7h 09m

Aspen Pitkin County

Tue 10/28

7:21 am-8:23 pm

2 stops12h 02m

$340

ChicagoAspen

MDW - ASE

MDWASE

Chicago Midway

Fri 11/14

6:00 am-11:32 am

1 stop6h 32m

Aspen Pitkin County

Fri 12/5

1:50 pm-9:44 pm

1 stop6h 54m

$479

ChicagoAspen

MDW - ASE

MDWASE

Chicago Midway

Sat 8/30

6:00 am-11:21 am

1 stop6h 21m

Aspen Pitkin County

Fri 9/5

7:16 am-6:37 pm

2 stops10h 21m

$594

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 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 August is, on average, the cheapest month to fly to Aspen from Illinois, with most prices found around $450. If you aren’t able to travel to Aspen during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $455.

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 $607.

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 $510. 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 $602. 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 $511 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 $313 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?

No. A direct flight is the cheapest option for a flight between Illinois 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

$131

Fastest flight time

3h 06m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Aspen

1 airport
The best one-way flight to Aspen from Illinois in the past 72 hours is $131. The best round-trip flight deal from Illinois to Aspen found on momondo in the last 72 hours is $229.
The fastest flight from Illinois to Aspen takes 3h 06m
Direct flights go from Illinois to Aspen on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and American Airlines.
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?

  • 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?

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 AirlinesPriceFrom $239Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $315Free CancellationRating
7.4
8,917 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
Buena Vista
Carbondale

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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