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$157+ Cheap flights from Helena (HLN) 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Helena to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Illinois (USIL). 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 November 20, 2024.

Find flight deals from Helena to Illinois

Cheapest flights from Helena to Illinois
Explore the most affordable flight options available from Helena to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/196:25 amHLN - ORD
1 stop7h 30mUnited Airlines
Wed 12/258:45 amORD - HLN
1 stop6h 00mUnited Airlines
Deal found 11/19$467
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/63:45 pmHLN - ORD
1 stop7h 02mAlaska Airlines
Mon 12/96:32 amORD - HLN
1 stop9h 57mAlaska Airlines
Deal found 11/19$569
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 12/293:29 pmHLN - STL
1 stop20h 58mAlaska Airlines
Wed 1/17:00 amSTL - HLN
1 stop8h 49mAlaska Airlines
Deal found 11/19$658
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sat 12/286:25 amHLN - STL
1 stop9h 00mUnited Airlines
Wed 1/15:30 pmSTL - HLN
2 stops21h 15mUnited Airlines
Deal found 11/19$670
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/42:35 pmHLN - MLI
1 stop5h 25mUnited Airlines
Sun 12/83:55 pmMLI - HLN
2 stops47h 02mUnited Airlines
Deal found 11/19$871

Find flights from Helena to Illinois within your budget

Customize your flight search to find flights from Helena 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 2,629,791 searches. Data last updated November 20, 2024.

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Route

Depart

Return

Price

HelenaChicago

HLN - ORD

HLNORD

Helena

Thu 12/19

6:25 am-2:55 pm

1 stop7h 30m

Chicago O'Hare Intl

Wed 12/25

8:45 am-1:45 pm

1 stop6h 00m

$467

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 1/11

5:50 am-1:15 pm

2 stops30h 25m

Chicago O'Hare Intl

Sun 1/19

7:00 am-11:07 pm

2 stops17h 07m

$495

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 5/9

4:10 pm-5:04 am

1 stop11h 54m

Chicago O'Hare Intl

Sun 5/11

7:45 am-3:43 pm

1 stop8h 58m

$527

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Sun 12/29

3:29 pm-1:27 pm

1 stop20h 58m

Lambert-St Louis

Wed 1/1

7:00 am-2:49 pm

1 stop8h 49m

$658

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Sat 12/28

6:25 am-4:25 pm

1 stop9h 00m

Lambert-St Louis

Wed 1/1

5:30 pm-1:45 pm

2 stops21h 15m

$670

HelenaMoline

HLN - MLI

HLNMLI

Helena

Wed 12/4

2:35 pm-9:00 pm

1 stop5h 25m

Moline Quad-City

Sun 12/8

3:55 pm-1:57 pm

2 stops47h 02m

$871

HelenaChicago

HLN - MDW

HLNMDW

Helena

Fri 5/9

5:45 am-5:03 pm

2 stops10h 18m

Chicago Midway

Sun 5/11

1:00 pm-10:35 pm

2 stops10h 35m

$1,188

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 1/11

1:25 pm-9:27 pm

1 stop7h 02m

$157

HelenaChicago

HLN - MDW

HLNMDW

Helena

Sat 1/11

5:50 am-5:47 pm

2 stops10h 57m

$162

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 1/10

6:45 am-7:23 pm

2 stops11h 38m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 12 results
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Best time to book a flight from Helena to Illinois

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

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

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

Currently, September is the cheapest month in which you can book a flight from Helena to Illinois (average of $232). Flying from Helena to Illinois in June is currently the most expensive (average of $308). 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.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 November 20, 2024.
See what other customers who have flown with Delta, Alaska Airlines and United Airlines from Helena to Illinois have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,461 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,171 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

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

    Helena (HLN), located 2.7 mi from the city center, is the airport you fly out of when you book flights from Helena to Illinois.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $157. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from Helena to Illinois for a low price.

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

    The most popular route from Helena to Illinois is Helena - Chicago O'Hare Intl. You may also consider Helena - Chicago Midway or Helena - Moline Quad-City.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Helena to Illinois (average of $232). Flying from Helena to Illinois in June is currently the most expensive (average of $308). 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 2 airlines flying from Helena to Illinois

Discover the top 2 airlines that operate flights from Helena to Illinois. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$272Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$566Average$791FlexibilityNo cancel feeOn-time69%
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