HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$209+ Cheap flights from Chicago (CHI) to Helena (HLN)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HLN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Chicago to Helena

Cheapest flights from Chicago to Helena
Explore the most affordable flight options available from Chicago to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/317:10 amORD - HLN
1 stop7h 35mUnited Airlines
Sun 1/46:10 amHLN - ORD
1 stop26h 34mUnited Airlines
Deal found 12/16$637
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/298:00 pmORD - HLN
2 stops18h 45mUnited Airlines
Wed 12/312:26 pmHLN - ORD
2 stops16h 35mUnited Airlines
Deal found 12/17$743
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/319:50 amMDW - HLN
2 stops13h 40mDelta
Sun 1/45:30 amHLN - MDW
2 stops10h 49mDelta
Deal found 12/16$1,559

Find flight deals from Chicago to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$342
(Alaska Airlines)

One-way from

$209
(Alaska Airlines)
Provider with most accurate pricing for Chicago (CHI)-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Helena flights.
Search Deals
From Chicago (CHI) to Helena
Search Deals
One-way flight from Chicago (CHI) to Helena
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Chicago to Helena that are best for you.

Fly from

Chicago

Fly to

Helena

Route

Depart

Return

Price

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Mon 1/19

7:30 am-12:27 pm

2 stops29h 57m

Helena

Tue 1/27

5:30 am-1:38 pm

1 stop7h 08m

$338

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Mon 1/19

7:30 am-12:27 pm

2 stops29h 57m

Helena

Sat 1/24

1:10 pm-9:52 pm

1 stop7h 42m

$338

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 1/17

5:20 pm-10:29 pm

1 stop6h 09m

Helena

Tue 1/27

5:30 am-11:53 pm

2 stops17h 23m

$338

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Mon 3/2

2:02 pm-9:16 pm

1 stop8h 14m

Helena

Sat 3/7

2:30 pm-9:29 pm

1 stop5h 59m

$343

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 1/23

7:30 am-12:27 pm

2 stops29h 57m

Helena

Tue 1/27

5:30 am-4:57 pm

2 stops10h 27m

$343

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 1/21

7:30 am-10:29 pm

2 stops15h 59m

Helena

Sat 1/24

1:10 pm-1:22 pm

2 stops23h 12m

$344

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 2/14

7:00 am-3:59 pm

1 stop9h 59m

Helena

Wed 2/18

4:36 pm-4:33 pm

1 stop22h 57m

$347

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 1/17

5:20 pm-10:29 pm

1 stop6h 09m

Helena

Thu 1/22

1:10 pm-1:22 pm

2 stops23h 12m

$348

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 1/17

5:20 pm-10:29 pm

1 stop6h 09m

Helena

Sun 1/25

5:30 am-11:53 pm

2 stops17h 23m

$348

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 1/17

7:30 am-12:27 pm

2 stops29h 57m

Helena

Wed 1/21

1:10 pm-11:56 pm

2 stops9h 46m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 28 results
1
2
3

Compare providers for flights from Chicago to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Helena in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Helena flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Chicago 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 Chicago to Helena

What is the cheapest month to book a flight from Chicago to Helena?

Currently, October is the cheapest month in which you can book a flight from Chicago to Helena (average of $190). Flying from Chicago to Helena in March is currently the most expensive (average of $290). 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 Chicago to Helena. 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 into for flights to Helena from Chicago?

    Located just 2.7 mi from the city center, Helena is the airport most travelers will use when flying to Helena from Chicago. Booking flights from Chicago to Helena (HLN) should be relatively easy as there are 0 daily inbound flights from Chicago from 0 different airlines.

  • How long is the flight from Chicago to Helena?

    Departing from Chicago to Helena will take you 8h 14m. The distance from Chicago to Helena is about 1227 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Chicago to Helena that include hotel bookings?

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

  • How can I find direct flights from Chicago to Helena?

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

  • Can I find deals for business class flights from Chicago to Helena?

    Yes. Cheapflights offers flight deals from Chicago to Helena 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 Chicago to Helena?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Helena (average of $190). Flying from Chicago to Helena in March is currently the most expensive (average of $290). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Helena

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Bozeman flights
Midway to Bozeman flights
O'Hare Intl to Kalispell flights
St. Louis to Bozeman flights
O'Hare Intl to Missoula flights
Midway to Kalispell flights
St. Louis to Kalispell flights
O'Hare Intl to Billings flights
Midway to Missoula flights
Moline to Bozeman flights
Midway to Billings flights
St. Louis to Billings flights
St. Louis to Cody flights
Moline to Kalispell flights
O'Hare Intl to West Yellowstone flights
O'Hare Intl to Helena flights
O'Hare Intl to Cody flights
Peoria to Bozeman flights
O'Hare Intl to Great Falls flights
St. Louis to Helena flights
Midway to Helena flights
Moline to Billings flights
St. Louis to Butte flights
Peoria to Billings flights
Peoria to Helena flights
Peoria to Missoula flights
Bloomington to Bozeman flights
O'Hare Intl to Butte flights
St. Louis to Great Falls flights
St. Louis to Missoula flights
Moline to Missoula flights
Moline to Cody flights
Midway to Great Falls flights
Peoria to Kalispell flights
Bloomington to Missoula flights
Bloomington to Helena flights
Bloomington to Great Falls flights
Midway to West Yellowstone flights
Champaign to Billings flights
Springfield to Missoula flights
St. Louis to West Yellowstone flights
Springfield to Bozeman flights
Midway to Cody flights
Dubuque to Kalispell flights
Dubuque to Bozeman flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.