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Helena

$269+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HLN
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Illinois to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 22, 2024.

Round-trip from

$306
(Delta)

One-way from

$269
(Alaska Airlines)
From Illinois to Helena
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One-way flight from Illinois to Helena
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Find flight deals from Illinois to Helena

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 December 22, 2024.

This Delta deal was found by Cheapflights users on 12/20. 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.
Sat 12/287:30 amORD - HLN
1 stop6h 15mDelta
Sun 12/295:45 amHLN - ORD
1 stop6h 11mDelta
Deal found 12/20$1,107
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Thu 12/267:10 amORD - HLN
1 stop7h 35mUnited Airlines
Fri 12/272:25 pmHLN - ORD
2 stops18h 17mUnited Airlines
Deal found 12/20$1,141
This Alaska Airlines deal was found by Cheapflights users on 12/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:00 amORD - HLN
1 stop9h 49mAlaska Airlines
Mon 12/233:29 pmHLN - ORD
1 stop25h 41mAlaska Airlines
Deal found 12/20$1,564
This Delta deal was found by Cheapflights users on 12/20. 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.
Sun 12/2210:08 amMDW - HLN
2 stops13h 44mDelta
Mon 12/235:45 amHLN - MDW
2 stops10h 59mDelta
Deal found 12/20$2,167

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 2/4

5:00 pm-10:54 pm

1 stop6h 54m

Helena

Tue 2/11

5:54 am-2:12 pm

1 stop7h 18m

$306

ChicagoHelena

MDW - HLN

MDWHLN

Chicago Midway

Tue 2/4

1:26 pm-10:54 pm

2 stops10h 28m

Helena

Tue 2/11

5:54 am-5:43 pm

2 stops10h 49m

$316

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Sun 1/19

7:40 am-12:50 pm

1 stop6h 10m

Helena

Sat 1/25

1:30 pm-9:33 pm

1 stop7h 03m

$326

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 3/14

2:00 pm-3:42 pm

1 stop26h 42m

Helena

Mon 3/17

4:19 pm-3:09 pm

1 stop21h 50m

$330

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Sun 1/19

9:44 am-9:36 pm

2 stops12h 52m

Helena

Sat 1/25

6:45 am-3:38 pm

2 stops7h 53m

$336

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 1/10

2:39 pm-9:36 pm

1 stop7h 57m

Helena

Sun 1/12

2:25 pm-9:25 pm

1 stop6h 00m

$406

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 2/4

1:39 pm-4:04 pm

3 stops27h 25m

Helena

Tue 2/11

4:41 pm-9:44 pm

2 stops28h 03m

$512

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 1/9

3:35 pm-4:04 pm

2 stops25h 29m

$269

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Mon 1/6

5:00 pm-11:07 pm

1 stop7h 07m

$273

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Mon 1/6

11:30 am-9:31 pm

2 stops11h 01m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 11 results
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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 $638). 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 December 22, 2024.

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 December 22, 2024.
Read through reviews of airlines operating flights from Illinois to Helena, such as Delta and United 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
9,537 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,537 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,597 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,028 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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 $269. Delta flights start at $273 while deals on United Airlines start at $318 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 Lambert-St Louis - 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 $638). 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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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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$368Average$448FlexibilityNo cancel feeOn-time69%
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