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$146+ Cheap flights from Hailey (SUN) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SUN — ORD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Hailey to Illinois

Cheapest flights from Hailey to Illinois
Explore the most affordable flight options available from Hailey to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/163:21 pmSUN - STL
2 stops7h 02mDelta
Thu 11/206:34 amSTL - SUN
1 stop6h 52mDelta
Deal found 11/1$416
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/162:43 pmSUN - STL
1 stop6h 11mUnited Airlines
Thu 11/209:00 amSTL - SUN
1 stop5h 40mUnited Airlines
Deal found 11/1$481
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2910:19 amSUN - ORD
1 stop19h 09mAlaska Airlines
Sat 12/65:51 pmORD - SUN
1 stop17h 17mAlaska Airlines
Deal found 11/1$748

Cheap flight deals from Hailey to Illinois

Keep the following information in mind while searching for Hailey to Illinois flight deals. Data was last updated November 3, 2025.

Round-trip from

$291
(American Airlines)

One-way from

$146
(United Airlines)

Good one-way deal

$205 or less
From Hailey Sun Valley-Friedman to Illinois
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One-way flight from Hailey Sun Valley-Friedman to Illinois
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Price to beat on a one-way flight from Hailey Sun Valley-Friedman to Illinois.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Hailey 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 November 3, 2025.
Use the filters below to find and compare flights from Hailey to Illinois that are best for you.

Fly from

Hailey

Fly to

Illinois

Route

Depart

Return

Price

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 1/27

1:16 pm-9:15 pm

1 stop6h 59m

Lambert-St Louis

Thu 1/29

2:38 pm-8:17 pm

1 stop6h 39m

$291

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Fri 4/17

1:20 pm-9:58 pm

1 stop7h 38m

Chicago O'Hare Intl

Mon 4/20

7:15 am-2:45 pm

1 stop8h 30m

$301

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 4/15

7:30 am-1:21 pm

1 stop4h 51m

Lambert-St Louis

Sun 4/19

7:30 am-2:45 pm

1 stop8h 15m

$331

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Sun 11/16

3:21 pm-11:23 pm

2 stops7h 02m

Lambert-St Louis

Thu 11/20

6:34 am-12:26 pm

1 stop6h 52m

$416

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 1/27

11:56 am-11:59 pm

2 stops11h 03m

Lambert-St Louis

Thu 1/29

9:34 am-11:14 am

2 stops26h 40m

$470

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Sun 11/16

2:43 pm-9:54 pm

1 stop6h 11m

Lambert-St Louis

Thu 11/20

9:00 am-1:40 pm

1 stop5h 40m

$481

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Sat 11/29

10:19 am-6:28 am

1 stop19h 09m

Chicago O'Hare Intl

Sat 12/6

5:51 pm-10:08 am

1 stop17h 17m

$748

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 1/27

3:24 pm-9:38 pm

1 stop5h 14m

$146

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Mon 12/15

2:20 pm-8:57 pm

1 stop5h 37m

$146

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Mon 12/29

7:26 pm-6:29 am

1 stop10h 03m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 23 results
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Best time to book a flight from Hailey to Illinois

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

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

Currently, May is the cheapest month in which you can book a flight from Hailey to Illinois (average of $87). Flying from Hailey to Illinois in March is currently the most expensive (average of $268). 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.

Related info for your journey

Find useful and relevant information for your journey from Hailey 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 Hailey to Illinois?

    Located just 1.3 mi from the city center, Hailey Sun Valley-Friedman (SUN) is the airport most travelers will use when flying to Illinois from Hailey.

  • How long is the flight from Hailey to Illinois?

    For as low as $291, American Airlines can have you in Illinois from Hailey in 6h 59m. There are 1282 mi between Hailey and Illinois. This flight may include one or multiple stops.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $146. Users have also found prices from $146 and $150 on United Airlines and Alaska Airlines, respectively.

  • What are the cheapest flights from Hailey to Illinois?

    Looking for the cheapest flight from Hailey to Illinois? While on average our users pay $279, our data indicates the cheapest price to be $191. The most popular route (Hailey Sun Valley-Friedman - Chicago O'Hare Intl), is priced around $301.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hailey 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 Hailey to Illinois?

    Currently, May is the cheapest month in which you can book a flight from Hailey to Illinois (average of $87). Flying from Hailey to Illinois in March is currently the most expensive (average of $268). 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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