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$186+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SUN — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$369
(United Airlines)

One-way from

$186
(Delta)

Good one-way deal

$325 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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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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/17. 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 10/312:43 pmSUN - ORD
1 stop8h 16mUnited Airlines
Mon 11/37:10 amORD - SUN
1 stop7h 30mUnited Airlines
Deal found 9/17$369
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 9/2910:16 amSUN - ORD
1 stop8h 32mAlaska Airlines
Sat 10/46:00 amORD - SUN
1 stop28h 36mAlaska Airlines
Deal found 9/16$409
This Delta deal was found by Cheapflights users on 9/17. 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 10/3112:49 pmSUN - ORD
2 stops10h 01mDelta
Mon 11/37:50 amORD - SUN
1 stop5h 19mDelta
Deal found 9/17$431
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/162:25 pmSUN - STL
2 stops23h 02mUnited Airlines
Thu 10/239:20 amSTL - SUN
2 stops12h 58mUnited Airlines
Deal found 9/16$600
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 10/1612:49 pmSUN - STL
1 stop4h 51mDelta
Thu 10/236:50 amSTL - SUN
1 stop6h 19mDelta
Deal found 9/16$894

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 September 17, 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

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Fri 10/31

2:43 pm-11:59 pm

1 stop8h 16m

Chicago O'Hare Intl

Mon 11/3

7:10 am-1:40 pm

1 stop7h 30m

$369

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Mon 9/29

10:16 am-7:48 pm

1 stop8h 32m

Chicago O'Hare Intl

Sat 10/4

6:00 am-9:36 am

1 stop28h 36m

$409

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Fri 10/31

12:49 pm-11:50 pm

2 stops10h 01m

Chicago O'Hare Intl

Mon 11/3

7:50 am-12:09 pm

1 stop5h 19m

$431

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 10/16

2:25 pm-2:27 pm

2 stops23h 02m

Lambert-St Louis

Thu 10/23

9:20 am-9:18 pm

2 stops12h 58m

$600

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 10/16

12:49 pm-6:40 pm

1 stop4h 51m

Lambert-St Louis

Thu 10/23

6:50 am-12:09 pm

1 stop6h 19m

$894

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Sat 10/18

12:49 pm-11:54 pm

2 stops10h 05m

$186

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Fri 11/14

1:06 pm-9:25 pm

1 stop7h 19m

$189

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Sat 11/15

1:06 pm-9:25 pm

1 stop7h 19m

$189

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Fri 10/17

12:49 pm-6:41 pm

1 stop4h 52m

$189

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Wed 11/19

1:06 pm-9:25 pm

1 stop7h 19m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 15 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, August is the cheapest month in which you can book a flight from Hailey to Illinois (average of $245). Flying from Hailey 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.

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

Find hourly flight availability from Hailey 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hailey to Illinois as you normally would.

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 $369, United Airlines can have you in Illinois from Hailey in 8h 16m. There are 1337 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 $186. Users have also found prices from $226 and $356 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 $354, our data indicates the cheapest price to be $270. The most popular route (Hailey Sun Valley-Friedman - Chicago O'Hare Intl), is priced around $369.

  • 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, August is the cheapest month in which you can book a flight from Hailey to Illinois (average of $245). Flying from Hailey 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.

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