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$253+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — ORD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
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 December 18, 2024.

Round-trip from

$403
(Alaska Airlines)

One-way from

$253
(Delta)
From Helena to Illinois
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One-way flight from Helena to Illinois
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Find flight deals from Helena to Illinois

Best flights from Helena to Illinois
Discover carefully curated flight deals from Helena to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/274:19 pmHLN - ORD
1 stop6h 40mAlaska Airlines
Sun 3/27:45 amORD - HLN
1 stop9h 38mAlaska Airlines
Deal found 12/17$403
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.
Wed 1/12:25 pmHLN - MLI
1 stop5h 52mUnited Airlines
Sun 1/58:50 amMLI - HLN
1 stop5h 55mUnited Airlines
Deal found 12/17$1,308

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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HelenaChicago

HLN - ORD

HLNORD

Helena

Thu 2/27

4:19 pm-11:59 pm

1 stop6h 40m

Chicago O'Hare Intl

Sun 3/2

7:45 am-4:23 pm

1 stop9h 38m

$403

HelenaMoline

HLN - MLI

HLNMLI

Helena

Wed 1/1

2:25 pm-9:17 pm

1 stop5h 52m

Moline Quad-City

Sun 1/5

8:50 am-1:45 pm

1 stop5h 55m

$1,308

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 4/23

5:45 am-12:21 pm

1 stop5h 36m

$253

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 4/23

4:10 pm-1:03 pm

2 stops19h 53m

$353

HelenaChicago

HLN - MDW

HLNMDW

Helena

Wed 4/23

5:45 am-6:00 pm

2 stops11h 15m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 18, 2024.
Alaska Airlines
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

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
9,554 reviews
Alaska Airlines
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

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
8,604 reviews
Alaska Airlines
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

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
9,055 reviews
Alaska Airlines
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

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 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 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 - Lambert-St Louis or Helena - Chicago Midway.

  • 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.

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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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$272Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$404Average$756FlexibilityNo cancel feeOn-time69%
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