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$123+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SUN — ORD
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 August 1, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$123
(Delta)

Good round-trip deal

$513 or less

Good one-way deal

$350 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 round-trip 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 August 1, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 10/32:25 pmSUN - ORD
1 stop6h 05mUnited Airlines
Sun 10/57:10 amORD - SUN
1 stop7h 23mUnited Airlines
Deal found 7/30$269
This Delta deal was found by Cheapflights users on 8/1. 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.
Tue 9/93:15 pmSUN - STL
1 stop5h 03mDelta
Tue 9/167:40 amSTL - SUN
1 stop7h 57mDelta
Deal found 8/1$291
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:20 pmSUN - ORD
1 stop5h 37mDelta
Sun 9/287:55 amORD - SUN
1 stop7h 42mDelta
Deal found 7/31$324
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/158:00 amSUN - STL
2 stops12h 50mUnited Airlines
Tue 8/194:40 pmSTL - SUN
1 stop5h 25mUnited Airlines
Deal found 7/31$367
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/1210:16 amSUN - ORD
1 stop8h 32mAlaska Airlines
Mon 9/155:20 pmORD - SUN
2 stops17h 14mAlaska Airlines
Deal found 7/29$426

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 August 1, 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 10/3

2:25 pm-9:30 pm

1 stop6h 05m

Chicago O'Hare Intl

Sun 10/5

7:10 am-1:33 pm

1 stop7h 23m

$269

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 9/9

3:15 pm-9:18 pm

1 stop5h 03m

Lambert-St Louis

Tue 9/16

7:40 am-2:37 pm

1 stop7h 57m

$291

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Thu 9/25

3:20 pm-9:57 pm

1 stop5h 37m

Chicago O'Hare Intl

Sun 9/28

7:55 am-2:37 pm

1 stop7h 42m

$324

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Fri 8/15

8:00 am-9:50 pm

2 stops12h 50m

Lambert-St Louis

Tue 8/19

4:40 pm-9:05 pm

1 stop5h 25m

$367

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Fri 9/12

10:16 am-7:48 pm

1 stop8h 32m

Chicago O'Hare Intl

Mon 9/15

5:20 pm-9:34 am

2 stops17h 14m

$426

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Tue 9/30

3:20 pm-9:57 pm

1 stop5h 37m

$123

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Fri 10/3

10:16 am-7:48 pm

1 stop8h 32m

$238

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Wed 1/28

1:30 pm-5:50 pm

Nonstop3h 20m

$246

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Sun 8/31

7:00 am-9:17 am

2 stops25h 17m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 August 1, 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.

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 August 1, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Hailey to Illinois have to say. 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
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 $123. Users have also found prices from $238 and $246 on Alaska Airlines and American 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 $504, our data indicates the cheapest price to be $318. The most popular route (Hailey Sun Valley-Friedman - Chicago O'Hare Intl), is priced around $324.

  • 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.

See more FAQs

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