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$95+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
HDN — ORD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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 4/181:40 pm
HDN
-
ORD
1 stop5h 20m
United Airlines
Thu 4/237:00 am
ORD
-
HDN
1 stop6h 40m
United Airlines
Deal found 2/2$274
This Southwest deal was found by Cheapflights users on 2/2. 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.
Mon 4/138:40 am
HDN
-
STL
1 stop3h 55m
Southwest
Thu 4/163:00 pm
STL
-
HDN
1 stop5h 10m
Southwest
Deal found 2/2$317
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/201:40 pm
HDN
-
ORD
1 stop6h 40m
United Airlines
Sat 4/252:30 pm
ORD
-
HDN
1 stop6h 46m
United Airlines
Deal found 2/2$329
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/181:40 pm
HDN
-
ORD
1 stop6h 37m
United Airlines
Tue 4/212:35 pm
ORD
-
HDN
1 stop6h 41m
United Airlines
Deal found 2/2$354
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/143:30 pm
HDN
-
MLI
1 stop4h 24m
United Airlines
Wed 2/188:49 am
MLI
-
HDN
1 stop4h 43m
United Airlines
Deal found 2/2$365
This Southwest deal was found by Cheapflights users on 2/2. 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.
Sat 4/188:20 am
HDN
-
ORD
1 stop5h 00m
Southwest
Thu 4/238:00 am
ORD
-
HDN
2 stops12h 10m
Southwest
Deal found 2/2$374
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/173:30 pm
HDN
-
ORD
1 stop6h 22m
United Airlines
Sat 2/2110:35 am
ORD
-
HDN
1 stop4h 53m
United Airlines
Deal found 2/1$376
This Southwest deal was found by Cheapflights users on 2/2. 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.
Sat 4/188:20 am
HDN
-
MDW
2 stops7h 55m
Southwest
Thu 4/233:30 pm
MDW
-
HDN
1 stop4h 40m
Southwest
Deal found 2/2$377
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/181:40 pm
HDN
-
ORD
1 stop6h 37m
United Airlines
Wed 4/228:50 am
ORD
-
HDN
2 stops12h 26m
United Airlines
Deal found 2/2$383
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/1311:56 am
HDN
-
ORD
Nonstop2h 52m
United Airlines
Tue 2/178:47 am
ORD
-
HDN
Nonstop3h 13m
United Airlines
Deal found 2/1$394
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/167:00 am
HDN
-
ORD
1 stop25h 37m
United Airlines
Wed 4/227:00 am
ORD
-
HDN
1 stop6h 40m
United Airlines
Deal found 2/2$405
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/43:27 pm
HDN
-
STL
1 stop4h 31m
United Airlines
Sat 2/74:15 pm
STL
-
HDN
1 stop5h 01m
United Airlines
Deal found 1/31$444

Find flight deals from Hayden to Illinois

Keep the following information in mind while searching for Hayden to Illinois flight deals. Data was last updated February 3, 2026.

Round-trip from

$274
(United Airlines)

One-way from

$95
(American Airlines)

Popular in

September

Cheapest in

January

Average price

$376

Good round-trip deal

$277 or less

Good one-way deal

$264 or less
From Hayden Yampa Valley to Illinois
Search Deals
One-way flight from Hayden Yampa Valley to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Hayden Yampa Valley to Illinois.
Search Deals
Price to beat on a one-way flight from Hayden Yampa Valley to Illinois.
Search Deals

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 February 3, 2026.
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

Mon 4/13

8:40 am-1:35 pm

1 stop3h 55m

Lambert-St Louis

Thu 4/16

3:00 pm-7:10 pm

1 stop5h 10m

$317

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Mon 4/20

1:40 pm-9:20 pm

1 stop6h 40m

Chicago O'Hare Intl

Sat 4/25

2:30 pm-8:16 pm

1 stop6h 46m

$329

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Sat 4/18

1:40 pm-8:00 pm

1 stop5h 20m

Chicago O'Hare Intl

Sat 4/25

2:30 pm-8:16 pm

1 stop6h 46m

$354

HaydenMoline

HDN - MLI

HDNMLI

Hayden Yampa Valley

Sat 2/14

3:30 pm-8:54 pm

1 stop4h 24m

Moline Quad-City

Wed 2/18

8:49 am-2:28 pm

1 stop6h 39m

$365

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Sat 4/18

8:20 am-2:20 pm

1 stop5h 00m

Chicago O'Hare Intl

Thu 4/23

8:00 am-7:10 pm

2 stops12h 10m

$374

HaydenChicago

HDN - MDW

HDNMDW

Hayden Yampa Valley

Sat 4/18

8:20 am-5:15 pm

2 stops7h 55m

Chicago Midway

Thu 4/23

3:30 pm-7:10 pm

1 stop4h 40m

$377

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Sat 4/18

1:40 pm-9:17 pm

1 stop6h 37m

Chicago O'Hare Intl

Wed 4/22

8:50 am-8:16 pm

2 stops12h 26m

$383

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Fri 2/13

11:56 am-3:48 pm

Nonstop2h 52m

Chicago O'Hare Intl

Tue 2/17

8:47 am-11:00 am

Nonstop3h 13m

$394

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Thu 4/16

7:00 am-10:54 pm

1 stop14h 54m

Chicago O'Hare Intl

Sat 4/25

2:10 pm-8:16 pm

1 stop7h 06m

$405

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Thu 4/16

7:00 am-10:54 pm

1 stop14h 54m

Chicago O'Hare Intl

Thu 4/23

7:00 am-12:40 pm

1 stop6h 40m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 28 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 $183). Flying from Hayden, Colorado to Illinois in May is currently the most expensive (average of $381). 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 HDN to IL?

Find hourly flight availability from Hayden to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.

When flying from Hayden, Colorado to Illinois, 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 Hayden, Colorado to Illinois

Explore weekly flight availability from Hayden to Illinois. 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 3, 2026.

The most flights from HDN to USIL are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 February 3, 2026.
Read through reviews of airlines operating flights from Hayden to Illinois, such as Southwest and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,236 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 3h 55m. Fly via Southwest or United Airlines to get the fastest option. The distance between Hayden, Colorado and Illinois is about 903 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 - Moline Quad-City when deciding on the best route from Hayden, Colorado to Illinois.

  • What are the most reliable airlines from Hayden, Colorado to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Hayden, Colorado to Illinois on time: United Airlines (87%), American Airlines (68%), Qatar Airways (68%).

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

    On average you can expect to pay $379 for a flight from Hayden, Colorado to Illinois. The cheapest flight overall is $194 while the most popular route, (Hayden Yampa Valley - Chicago O'Hare Intl) is currently priced at $274.

  • 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 $183). Flying from Hayden, Colorado to Illinois in May is currently the most expensive (average of $381). 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.

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Alternative routes for Hayden to Illinois

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$229Average$359FlexibilityNo cancel feeOn-time69%

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