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Helena

$253+ Cheap flights from Illinois 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HLN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Helena

Keep the following information in mind while searching for Illinois to Helena flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$302
(Alaska Airlines)

One-way from

$253
(Alaska Airlines)
Provider with most accurate pricing for Chicago (CHI)-Helena flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Helena flights.
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From Illinois to Helena
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One-way flight from Illinois to Helena
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Cheapest flights from Illinois to Helena
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 February 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/107:00 amORD - HLN
1 stop9h 39mAlaska Airlines
Mon 4/144:19 pmHLN - ORD
1 stop12h 40mAlaska Airlines
Deal found 2/19$302
This Delta deal was found by Cheapflights users on 2/19. 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 4/247:25 amORD - HLN
1 stop6h 13mDelta
Sun 4/275:45 amHLN - ORD
1 stop5h 53mDelta
Deal found 2/19$325
This Delta deal was found by Cheapflights users on 2/20. 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 3/77:40 amSTL - HLN
1 stop6h 10mDelta
Tue 3/115:45 amHLN - STL
1 stop6h 38mDelta
Deal found 2/20$547
This United Airlines deal was found by Cheapflights users on 2/19. 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 6/188:47 amPIA - HLN
1 stop9h 08mUnited Airlines
Wed 6/255:39 pmHLN - PIA
1 stop26h 08mUnited Airlines
Deal found 2/19$623
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 6/108:51 amORD - HLN
2 stops13h 24mUnited Airlines
Mon 6/307:00 amHLN - ORD
2 stops16h 13mUnited Airlines
Deal found 2/19$626
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/76:30 amSTL - HLN
2 stops8h 10mUnited Airlines
Tue 3/112:25 pmHLN - STL
2 stops22h 58mUnited Airlines
Deal found 2/20$659
This Delta deal was found by Cheapflights users on 2/19. 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 4/102:57 pmMDW - HLN
2 stops8h 43mDelta
Mon 4/145:45 amHLN - MDW
2 stops10h 34mDelta
Deal found 2/19$769

Find flights from Illinois to Helena within your budget

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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Illinois

Fly to

Helena

Route

Depart

Return

Price

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 4/10

7:00 am-3:39 pm

1 stop9h 39m

Helena

Mon 4/14

4:19 pm-5:59 am

1 stop12h 40m

$302

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 4/24

7:25 am-12:38 pm

1 stop6h 13m

Helena

Sun 4/27

5:45 am-12:38 pm

1 stop5h 53m

$325

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Fri 3/7

7:40 am-12:50 pm

1 stop6h 10m

Helena

Tue 3/11

5:45 am-1:23 pm

1 stop6h 38m

$547

PeoriaHelena

PIA - HLN

PIAHLN

Greater Peoria

Wed 6/18

8:47 am-4:55 pm

1 stop9h 08m

Helena

Wed 6/25

5:39 pm-8:47 pm

1 stop26h 08m

$623

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 6/10

8:51 am-9:15 pm

2 stops13h 24m

Helena

Mon 6/30

7:00 am-12:13 am

2 stops16h 13m

$626

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Fri 3/7

6:30 am-1:40 pm

2 stops8h 10m

Helena

Tue 3/11

2:25 pm-2:23 pm

2 stops22h 58m

$659

ChicagoHelena

MDW - HLN

MDWHLN

Chicago Midway

Thu 4/10

2:57 pm-10:40 pm

2 stops8h 43m

Helena

Mon 4/14

5:45 am-5:19 pm

2 stops10h 34m

$769

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 7/29

7:45 am-3:43 pm

1 stop8h 58m

$253

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 7/26

7:10 am-1:13 pm

1 stop7h 03m

$294

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 7/29

1:35 pm-10:33 pm

2 stops9h 58m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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.
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.

Travel insights for flights from Illinois to Helena

Get recent, data-driven insights about flights from Illinois to Helena including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Helena (average of $353). Flying from Illinois to Helena in July is currently the most expensive (average of $637). 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 IL to HLN?

Find hourly flight availability from Illinois to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Illinois to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Helena by month

Plan your trip to Helena by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

Plan your trip to Helena by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated February 20, 2025.
Read through reviews of airlines operating flights from Illinois to Helena, such as Alaska Airlines, Delta and Hawaiian Airlines. 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
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

    For a flight from Illinois to Helena, you will be flying into Helena. Helena (HLN) is just 2.7 mi from the center of the city.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $253. United Airlines flights start at $294 while deals on Delta start at $325 one-way.

  • What are the most popular routes from Illinois to Helena?

    When deciding which route to take from Illinois to Helena consider Chicago O'Hare Intl - Helena, Chicago Midway - Helena or Greater Peoria - Helena as they are the most popular.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Illinois to Helena (average of $353). Flying from Illinois to Helena in July is currently the most expensive (average of $637). 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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Top airline flying from Illinois to Helena

Discover the top airline that operate flights from Illinois to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$368Average$567FlexibilityNo cancel feeOn-time69%
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