HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Aspen

$248+ Cheap flights from Illinois to Aspen (ASE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ASE
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Aspen with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Aspen

Keep the following information in mind while searching for Illinois to Aspen flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(American Airlines)

One-way from

$248
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$562

Good round-trip deal

$523 or less

Good one-way deal

$449 or less
Provider with most accurate pricing for Chicago (CHI)-Aspen Pitkin County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Aspen Pitkin County flights.
Search Deals
From Illinois to Aspen Pitkin County
Search Deals
One-way flight from Illinois to Aspen Pitkin County
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Aspen Pitkin County.
Search Deals
Price to beat on a one-way flight from Illinois to Aspen Pitkin County.
Search Deals

Find flight deals from Illinois to Aspen

Cheapest flights from Illinois to Aspen
Explore the most affordable flight options available from Illinois to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/279:41 amORD - ASE
Nonstop3h 17mAmerican Airlines
Mon 3/311:45 pmASE - ORD
Nonstop2h 58mAmerican Airlines
Deal found 2/19$329
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/113:48 pmSTL - ASE
1 stop5h 54mAmerican Airlines
Tue 3/184:43 pmASE - STL
1 stop5h 01mAmerican Airlines
Deal found 2/19$339
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:00 amORD - ASE
1 stop4h 42mUnited Airlines
Mon 7/216:15 pmASE - ORD
1 stop5h 05mUnited Airlines
Deal found 2/19$363
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:04 amMDW - ASE
1 stop6h 34mDelta
Sun 4/271:39 pmASE - MDW
1 stop7h 47mDelta
Deal found 2/20$414
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/255:30 amORD - ASE
1 stop7h 08mDelta
Sun 4/271:39 pmASE - ORD
1 stop6h 11mDelta
Deal found 2/20$414
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:00 amSTL - ASE
1 stop6h 23mDelta
Sat 8/97:45 amASE - STL
1 stop7h 13mDelta
Deal found 2/19$489
This United deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1111:05 amSTL - ASE
2 stops10h 30mUnited Airlines
Tue 3/187:47 pmASE - STL
2 stops14h 15mUnited Airlines
Deal found 2/19$504

Find flights from Illinois to Aspen within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Illinois

Fly to

Aspen

Route

Depart

Return

Price

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Thu 3/27

9:41 am-11:58 am

Nonstop3h 17m

Aspen Pitkin County

Mon 3/31

1:45 pm-5:43 pm

Nonstop2h 58m

$329

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Tue 3/11

3:48 pm-8:42 pm

1 stop5h 54m

Aspen Pitkin County

Tue 3/18

4:43 pm-10:44 pm

1 stop5h 01m

$339

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Wed 3/12

3:40 pm-5:58 pm

Nonstop3h 18m

Aspen Pitkin County

Wed 3/19

4:30 pm-8:25 pm

Nonstop2h 55m

$409

ChicagoAspen

MDW - ASE

MDWASE

Chicago Midway

Fri 4/25

6:04 am-11:38 am

1 stop6h 34m

Aspen Pitkin County

Sun 4/27

1:39 pm-10:26 pm

1 stop7h 47m

$414

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Fri 4/25

5:30 am-11:38 am

1 stop7h 08m

Aspen Pitkin County

Sun 4/27

1:39 pm-8:50 pm

1 stop6h 11m

$414

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Tue 8/5

6:00 am-11:23 am

1 stop6h 23m

Aspen Pitkin County

Sat 8/9

7:45 am-3:58 pm

1 stop7h 13m

$489

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Tue 3/11

11:05 am-8:35 pm

2 stops10h 30m

Aspen Pitkin County

Tue 3/18

7:47 pm-11:02 am

2 stops14h 15m

$504

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Sat 4/19

8:44 pm-11:51 am

2 stops16h 07m

$248

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Mon 4/21

8:15 pm-11:38 am

2 stops16h 23m

$270

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Wed 4/16

8:45 am-8:01 pm

2 stops12h 16m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 14 results
1
2

Best time to book a flight from Illinois to Aspen

Have a flexible travel schedule? Discover the best time to fly to Aspen from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Aspen

Get recent, data-driven insights about flights from Illinois to Aspen including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Aspen?

Currently, November is the cheapest month in which you can book a flight from Illinois to Aspen (average of $448). Flying from Illinois to Aspen in December is currently the most expensive (average of $673). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to ASE?

Find hourly flight availability from Illinois to Aspen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Illinois to Aspen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Illinois to Aspen

Explore weekly flight availability from Illinois to Aspen. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 20, 2025.

The most flights from USIL to ASE are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Aspen by month

Plan your trip to Aspen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Aspen ranges from 1.0 - 1.8 inches per month. April is typically the wettest month, when rainfall can reach 1.8 in. January is typically the driest time to visit Aspen when rainfall is around 1.0 in.

Temperature in Aspen by month

Plan your trip to Aspen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Aspen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

Reviews of airlines servicing Aspen

Get insights into the airlines that provide service to Aspen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Aspen. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Illinois to Aspen to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Illinois to Aspen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Aspen from Illinois?

    Most people fly into Aspen Pitkin County (ASE) if they book a flight to Aspen from Illinois. Pitkin County is conveniently located just 3.5 mi from Aspen’s city center.

  • What are the cheapest airlines to fly from Illinois to Aspen one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $248. Delta flights start at $270 while deals on United Airlines start at $298 one-way.

  • What are the most popular routes from Illinois to Aspen?

    Most travelers choose Chicago O'Hare Intl - Aspen Pitkin County, Chicago Midway - Aspen Pitkin County or Lambert-St Louis - Aspen Pitkin County when deciding on the best route from Illinois to Aspen.

  • What are the most reliable airlines from Illinois to Aspen?

    The top 3 most reliable airlines when flying from Illinois to Aspen are United Airlines (53%), Lufthansa (50%) and SkyWest Airlines (36%).

  • What are the cheapest flights from Illinois to Aspen?

    Looking at all options, your cheapest flight can be booked for $304. While the most popular route (Chicago O'Hare Intl - Aspen Pitkin County) can be booked for $363 on average our data indicates $621 when flying from Illinois to Aspen.

  • Can I find deals for flights from Illinois to Aspen that include hotel bookings?

    Yes. In addition to deals on Illinois to Aspen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Aspen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Aspen.

  • Can I find deals for business class flights from Illinois to Aspen?

    Yes. Cheapflights offers flight deals from Illinois to Aspen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Aspen?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Aspen (average of $448). Flying from Illinois to Aspen in December is currently the most expensive (average of $673). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Snowmass Village
Carbondale
Buena Vista
Snowmass

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Aspen

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Denver flights
Newark to Denver flights
LaGuardia to Denver flights
Dallas/Fort Worth to Denver flights
Boston to Denver flights
O'Hare Intl to Denver flights
Dulles Intl to Denver flights
Philadelphia to Denver flights
Hobby to Denver flights
Minneapolis to Denver flights
Seattle to Denver flights
Miami to Denver flights
Orlando to Denver flights
San Francisco to Denver flights
Baltimore to Denver flights
Los Angeles to Denver flights
Austin to Denver flights
Atlanta to Denver flights
George Bush Intcntl to Denver flights
Reagan-National to Denver flights
Tampa to Denver flights
Detroit to Denver flights
Charlotte to Denver flights
Raleigh to Denver flights
Cincinnati to Denver flights
Ontario to Denver flights
Cleveland to Denver flights
Fort Lauderdale to Denver flights
Indianapolis to Denver flights
Sky Harbor Intl to Denver flights
Milwaukee to Denver flights
Portland to Denver flights
San Jose to Denver flights
San Diego to Denver flights
Santa Ana to Denver flights
Nashville to Denver flights
Midway to Denver flights
Hartford to Denver flights
Fort Myers to Denver flights
Pittsburgh to Denver flights
Grand Rapids to Denver flights
Des Moines to Denver flights
Jacksonville to Denver flights
Columbus to Denver flights
Madison to Denver flights
Richmond to Denver flights
St. Louis to Denver flights
West Palm Beach to Denver flights
Las Vegas to Denver flights
Cedar Rapids to Denver flights

Top 2 airlines flying from Illinois to Aspen

Discover the top 2 airlines that operate flights from Illinois to Aspen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$311Average$502FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$315Average$563FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.