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Aspen

$145+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ASE
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(United Airlines)

One-way from

$145
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$519

Good round-trip deal

$384 or less

Good one-way deal

$284 or less
Provider with most accurate pricing for Chicago (CHI)-Aspen Pitkin County flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Aspen Pitkin County flights.
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From Illinois to Aspen Pitkin County
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One-way flight from Illinois to Aspen Pitkin County
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Highest demand for flights based on searches. 13% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Illinois to Aspen Pitkin County.
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Price to beat on a one-way flight from Illinois to Aspen Pitkin County.
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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 March 31, 2025.

This American Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 9/110:59 amORD - ASE
Nonstop3h 11mAmerican Airlines
Thu 9/412:08 pmASE - ORD
Nonstop2h 58mAmerican Airlines
Deal found 3/30$239
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sun 6/87:35 pmORD - ASE
Nonstop3h 09mUnited Airlines
Wed 6/189:15 amASE - ORD
Nonstop2h 58mUnited Airlines
Deal found 3/30$247
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 8/305:36 amSTL - ASE
1 stop5h 16mAmerican Airlines
Sat 9/2012:08 pmASE - STL
1 stop7h 15mAmerican Airlines
Deal found 3/30$370
This Delta deal was found by Cheapflights users on 3/30. 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 3/30$399
This United deal was found by Cheapflights users on 3/30. 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.
Sat 8/301:30 pmSTL - ASE
1 stop7h 26mUnited Airlines
Sat 9/208:40 amASE - STL
2 stops8h 33mUnited Airlines
Deal found 3/30$445
This Delta deal was found by Cheapflights users on 3/30. 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 43mDelta
Deal found 3/30$459

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from Illinois to Aspen that are best for you.

Fly from

Illinois

Fly to

Aspen

Route

Depart

Return

Price

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Sun 6/8

7:35 pm-9:44 pm

Nonstop3h 09m

Aspen Pitkin County

Wed 6/18

9:15 am-1:13 pm

Nonstop2h 58m

$247

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Sat 6/21

11:55 am-6:04 pm

1 stop7h 09m

Aspen Pitkin County

Thu 6/26

1:34 pm-9:22 pm

1 stop6h 48m

$354

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

$399

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-10:22 pm

1 stop7h 43m

$459

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Fri 4/18

4:45 pm-9:16 pm

1 stop5h 31m

Aspen Pitkin County

Sun 4/20

7:00 am-12:47 pm

1 stop4h 47m

$499

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Tue 6/3

5:30 am-11:20 am

1 stop6h 50m

$155

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Mon 6/2

7:35 pm-9:44 pm

Nonstop3h 09m

$185

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Wed 4/30

10:10 pm-11:51 am

2 stops14h 41m

$291

ChicagoAspen

MDW - ASE

MDWASE

Chicago Midway

Mon 9/1

6:00 am-11:23 am

1 stop6h 23m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Aspen

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 March 31, 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 March 31, 2025.

The most flights from USIL to ASE are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 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 March 31, 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
9,818 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

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
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

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
9,818 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

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 $145. Delta flights start at $155 while deals on United Airlines start at $185 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 (62%), Lufthansa (59%) and SkyWest Airlines (47%).

  • What are the cheapest flights from Illinois to Aspen?

    Looking at all options, your cheapest flight can be booked for $284. While the most popular route (Chicago O'Hare Intl - Aspen Pitkin County) can be booked for $247 on average our data indicates $553 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

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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$304Average$496FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$315Average$555FlexibilityNo cancel feeOn-time69%
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