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$129+ Cheap flights from Hayden, CO (HDN) to Illinois

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
HDN — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Hayden to Illinois

Keep the following information in mind while searching for Hayden to Illinois flight deals. Data was last updated September 15, 2025.

Round-trip from

$277
(Delta)

One-way from

$129
(United Airlines)

Popular in

September

Cheapest in

February

Average price

$628

Good one-way deal

$523 or less
From Hayden Yampa Valley to Illinois
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One-way flight from Hayden Yampa Valley to Illinois
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Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Hayden Yampa Valley to Illinois.
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Find flight deals from Hayden to Illinois

Cheapest flights from Hayden to Illinois
Explore the most affordable flight options available from Hayden to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:35 pmHDN - STL
1 stop9h 10mSouthwest
Mon 10/65:35 amSTL - HDN
1 stop7h 25mSouthwest
Deal found 9/13$302
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 12/2412:20 pmHDN - ORD
Nonstop2h 59mAmerican Airlines
Tue 12/309:40 amORD - HDN
Nonstop3h 10mAmerican Airlines
Deal found 9/15$324
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:55 amHDN - MDW
2 stops10h 00mSouthwest
Tue 12/305:15 amMDW - HDN
1 stop7h 15mSouthwest
Deal found 9/15$328
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/61:28 pmHDN - ORD
1 stop6h 30mUnited Airlines
Sun 11/97:10 amORD - HDN
1 stop6h 22mUnited Airlines
Deal found 9/14$339
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/113:25 pmHDN - ORD
1 stop5h 05mUnited Airlines
Wed 10/157:10 amORD - HDN
1 stop6h 19mUnited Airlines
Deal found 9/14$343
This American Airlines deal was found by Cheapflights users on 9/15. 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 12/3012:20 pmHDN - ORD
Nonstop2h 59mAmerican Airlines
Wed 12/319:40 amORD - HDN
Nonstop3h 10mAmerican Airlines
Deal found 9/15$371
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 10/133:25 pmHDN - ORD
1 stop7h 34mUnited Airlines
Mon 10/207:10 amORD - HDN
1 stop6h 19mUnited Airlines
Deal found 9/13$379
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/11:35 pmHDN - STL
1 stop6h 11mUnited Airlines
Sun 10/55:00 amSTL - HDN
2 stops8h 29mUnited Airlines
Deal found 9/15$379
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:30 pmHDN - MDW
1 stop7h 20mSouthwest
Wed 12/317:05 amMDW - HDN
1 stop5h 10mSouthwest
Deal found 9/15$387
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 9/263:25 pmHDN - ORD
1 stop7h 34mUnited Airlines
Sun 9/287:10 amORD - HDN
1 stop6h 19mUnited Airlines
Deal found 9/14$399
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 12/303:25 pmHDN - ORD
1 stop7h 34mUnited Airlines
Wed 12/318:50 amORD - HDN
1 stop8h 23mUnited Airlines
Deal found 9/15$412
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/41:35 pmHDN - ORD
1 stop5h 20mUnited Airlines
Mon 10/67:10 amORD - HDN
1 stop6h 19mUnited Airlines
Deal found 9/15$424

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hayden to Illinois 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 September 15, 2025.
Use the filters below to find and compare flights from Hayden to Illinois that are best for you.

Fly from

Hayden

Fly to

Illinois

Route

Depart

Return

Price

HaydenSt. Louis

HDN - STL

HDNSTL

Hayden Yampa Valley

Tue 3/10

1:53 pm-8:39 pm

1 stop5h 46m

Lambert-St Louis

Wed 3/11

8:50 am-2:16 pm

1 stop6h 26m

$277

HaydenSt. Louis

HDN - STL

HDNSTL

Hayden Yampa Valley

Fri 10/3

12:35 pm-10:45 pm

1 stop9h 10m

Lambert-St Louis

Mon 10/6

5:35 am-12:00 pm

1 stop7h 25m

$302

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Wed 12/24

12:20 pm-4:19 pm

Nonstop2h 59m

Chicago O'Hare Intl

Tue 12/30

9:40 am-11:50 am

Nonstop3h 10m

$324

HaydenChicago

HDN - MDW

HDNMDW

Hayden Yampa Valley

Wed 12/24

11:55 am-10:55 pm

2 stops10h 00m

Chicago Midway

Tue 12/30

5:15 am-11:30 am

1 stop7h 15m

$328

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Thu 11/6

1:28 pm-8:58 pm

1 stop6h 30m

Chicago O'Hare Intl

Sun 11/9

7:10 am-12:32 pm

1 stop6h 22m

$339

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Sat 10/11

3:25 pm-9:30 pm

1 stop5h 05m

Chicago O'Hare Intl

Wed 10/15

7:10 am-12:29 pm

1 stop6h 19m

$343

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Tue 12/30

12:20 pm-4:19 pm

Nonstop2h 59m

Chicago O'Hare Intl

Wed 12/31

9:40 am-11:50 am

Nonstop3h 10m

$371

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Mon 10/13

3:25 pm-11:59 pm

1 stop7h 34m

Chicago O'Hare Intl

Mon 10/20

7:10 am-12:29 pm

1 stop6h 19m

$379

HaydenSt. Louis

HDN - STL

HDNSTL

Hayden Yampa Valley

Wed 10/1

1:35 pm-8:46 pm

1 stop6h 11m

Lambert-St Louis

Sun 10/5

5:00 am-12:29 pm

2 stops8h 29m

$379

HaydenChicago

HDN - MDW

HDNMDW

Hayden Yampa Valley

Tue 12/30

2:30 pm-10:50 pm

1 stop7h 20m

Chicago Midway

Wed 12/31

7:05 am-11:15 am

1 stop5h 10m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Hayden to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Hayden 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 Hayden to Illinois

What is the cheapest month to book a flight from Hayden, Colorado to Illinois?

Currently, August is the cheapest month in which you can book a flight from Hayden, Colorado to Illinois (average of $245). Flying from Hayden, Colorado to Illinois in March is currently the most expensive (average of $321). 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from Hayden to Illinois, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Hayden to Illinois. 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 from for flights from Hayden to Illinois?

    Hayden Yampa Valley (HDN) is the airport you will fly out of if you book a flight from Hayden to Illinois. It is only a 2.3 mi journey to Yampa Valley (HDN) from Hayden’s city center.

  • How long is the flight from Hayden, Colorado to Illinois?

    There are many flights that can get you from Hayden, Colorado to Illinois in 2h 59m. Fly via Delta, Southwest, or American Airlines to get the fastest option. The distance between Hayden, Colorado and Illinois is about 1006 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Hayden, Colorado to Illinois?

    Most travelers choose Hayden Yampa Valley - Chicago O'Hare Intl, Hayden Yampa Valley - Lambert-St Louis or Hayden Yampa Valley - Chicago Midway when deciding on the best route from Hayden, Colorado to Illinois.

  • What are the cheapest flights from Hayden, Colorado to Illinois?

    On average you can expect to pay $523 for a flight from Hayden, Colorado to Illinois. The cheapest flight overall is $523 while the most popular route, (Hayden Yampa Valley - Chicago O'Hare Intl) is currently priced at $269.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hayden to Illinois 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 Hayden, Colorado to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Hayden, Colorado to Illinois (average of $245). Flying from Hayden, Colorado to Illinois in March is currently the most expensive (average of $321). 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

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Top airline flying from Hayden to Illinois

Discover the top airline that operate flights from Hayden to Illinois. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$217Average$398FlexibilityNo cancel feeOn-time69%

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