$359+ Cheap flights from Illinois to Helena (HLN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HLN
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Helena with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Helena
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Best
Last-minute
Cheapest flights from Illinois to HelenaExplore the most affordable flight options available from Illinois to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
Explore the most affordable flight options available from Illinois to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
This Delta deal was found by Cheapflights users on 10/10. 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 11/57:35 am -
1 stop5h 53m
Mon 11/91:07 pm -
1 stop7h 40m
Deal found 10/10![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/10. 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 12/167:00 am -
1 stop7h 52m
Sat 12/262:27 pm -
1 stop7h 15m
Deal found 10/10![United Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 10/12. 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 10/277:35 am -
1 stop5h 53m
Sat 10/311:08 pm -
1 stop7h 57m
Deal found 10/12![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/297:00 am -
1 stop7h 40m
Mon 11/22:23 pm -
1 stop6h 07m
Deal found 10/14![United Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 11/126:35 pm -
1 stop22h 29m
Mon 11/164:41 pm -
1 stop11h 59m
Deal found 10/12![Alaska Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:56 pm -
2 stops9h 28m
Mon 11/21:08 pm -
1 stop7h 57m
Deal found 10/14![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 10/11. 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.
Wed 10/147:35 am -
1 stop5h 53m
Mon 10/191:08 pm -
1 stop7h 57m
Deal found 10/11![Delta logo]()
$529
This Delta deal was found by Cheapflights users on 10/10. 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.
Wed 12/163:47 pm -
2 stops7h 45m
Sat 12/261:05 pm -
1 stop8h 04m
Deal found 10/10![Delta logo]()
$534
Best flights from Illinois to HelenaDiscover carefully curated flight deals from Illinois to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Illinois to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This Delta deal was found by Cheapflights users on 10/10. 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.
Wed 12/167:25 am -
1 stop6h 05m
Sat 12/261:05 pm -
1 stop8h 04m
Deal found 10/10![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/10. 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 12/167:00 am -
1 stop7h 52m
Sat 12/262:27 pm -
1 stop7h 15m
Deal found 10/10![United Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/308:00 am -
1 stop9h 23m
Tue 2/25:00 pm -
1 stop20h 21m
Deal found 10/13![Alaska Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 10/12. 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 10/277:35 am -
1 stop5h 53m
Sat 10/311:08 pm -
1 stop7h 57m
Deal found 10/12![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/297:00 am -
1 stop7h 40m
Mon 11/22:23 pm -
1 stop6h 07m
Deal found 10/14![United Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 11/126:35 pm -
1 stop22h 29m
Mon 11/164:41 pm -
1 stop11h 59m
Deal found 10/12![Alaska Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:56 pm -
2 stops9h 28m
Mon 11/21:08 pm -
1 stop7h 57m
Deal found 10/14![Delta logo]()
$509
This United Airlines deal was found by Cheapflights users on 10/10. 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 1/302:28 pm -
1 stop8h 04m
Tue 2/26:15 am -
2 stops13h 16m
Deal found 10/10![United Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 10/10. 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 11/51:55 pm -
2 stops9h 29m
Mon 11/91:07 pm -
2 stops7h 26m
Deal found 10/10![Delta logo]()
$539
Last-minute flights from Illinois to HelenaDiscover last-minute flight deals from Illinois to Helena. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Helena. Data last updated October 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/11. 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.
Wed 10/147:35 am -
1 stop5h 53m
Mon 10/191:08 pm -
1 stop7h 57m
Deal found 10/11![Delta logo]()
$529
This Delta deal was found by Cheapflights users on 10/12. 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 10/277:35 am -
1 stop5h 53m
Sat 10/311:08 pm -
1 stop7h 57m
Deal found 10/12![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/297:00 am -
1 stop7h 40m
Mon 11/22:23 pm -
1 stop6h 07m
Deal found 10/14![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:56 pm -
2 stops9h 28m
Mon 11/21:08 pm -
1 stop7h 57m
Deal found 10/14![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 10/10. 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 11/57:35 am -
1 stop5h 53m
Mon 11/91:07 pm -
1 stop7h 40m
Deal found 10/10![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 11/126:35 pm -
1 stop22h 29m
Mon 11/164:41 pm -
1 stop11h 59m
Deal found 10/12![Alaska Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop10h 04m
Wed 11/184:41 pm -
1 stop23h 56m
Deal found 10/13![Alaska Airlines logo]()
$576
Find flight deals from Illinois to Helena
Keep the following information in mind while searching for Illinois to Helena flight deals. Data was last updated October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Helena 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 7,457,451 searches. Data last updated October 14, 2026.
Use the filters below to find and compare flights from Illinois to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Wed 12/16
7:25 am-12:30 pm
1 stop6h 05m
Helena
Sat 12/26
1:05 pm-10:09 pm
1 stop8h 04m
$359
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Wed 12/16
7:00 am-1:52 pm
1 stop7h 52m
Helena
Sat 12/26
2:27 pm-10:42 pm
1 stop7h 15m
$427
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Tue 10/27
7:35 am-12:28 pm
1 stop5h 53m
Helena
Sat 10/31
1:08 pm-10:05 pm
1 stop7h 57m
$429
Quickest round-trip
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Thu 10/29
7:00 am-1:40 pm
1 stop7h 40m
Helena
Mon 11/2
2:23 pm-9:30 pm
1 stop6h 07m
$439
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Sat 1/30
8:00 am-4:23 pm
1 stop9h 23m
Helena
Tue 2/2
5:00 pm-2:21 pm
1 stop20h 21m
$446
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Thu 11/12
6:35 pm-4:04 pm
1 stop22h 29m
Helena
Mon 11/16
4:41 pm-5:40 am
1 stop11h 59m
$474
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Thu 10/29
1:56 pm-10:24 pm
2 stops9h 28m
Helena
Mon 11/2
1:08 pm-10:05 pm
1 stop7h 57m
$509
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Thu 11/5
1:55 pm-10:24 pm
2 stops9h 29m
Helena
Mon 11/9
1:07 pm-9:33 pm
2 stops7h 26m
$539
ChicagoHelena
ORD Chicago O'Hare Intl - HLN Helena
ORDHLN
Chicago O'Hare Intl
Sat 1/30
2:28 pm-9:32 pm
1 stop8h 04m
Helena
Tue 2/2
6:15 am-8:31 pm
2 stops13h 16m
$552
Sorted by cheapest first
Best time to book a flight from Illinois to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from Illinois with our price prediction graph.
ORD-HLN
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 Illinois to Helena
USIL-HLN
ORD-HLN
No data available for this route at this time. Please check back soon.
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