What airlines fly to Chicago?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Chicago from Helena according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Helena to Chicago?

Delta and United Airlines are the most popular carriers operating from Helena to Chicago

When did momondo last update prices for flights from Helena Airport to Chicago?

Prices for flights from Helena Airport to Chicago are refreshed on a daily basis.

How old do you have to be to fly from Helena Airport to Chicago?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$328 Cheap Flights from Helena to Chicago in 2025/26

Q: What is the typical price of a round-trip flight between Helena and Chicago?

Prices are currently low for flights on this route. Typical prices usually range from $394 to $512. The lowest price recently found on this route was $350.

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Find the cheapest flights from Helena to Chicago

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:36 pm - 2:05 pm

HLN

ORD

20h 29m1 stop

7:00 am - 3:59 pm

ORD

HLN

9h 59m1 stop

$350Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

4:36 pm - 1:11 pm

HLN

ORD

19h 35m2 stops

7:00 am - 3:59 pm

ORD

HLN

9h 59m1 stop

$420Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

4:36 pm - 2:05 pm

HLN

ORD

20h 29m1 stop

2:07 pm - 3:59 pm

ORD

HLN

26h 52m2 stops

$432Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

5:30 am - 1:16 pm

HLN

ORD

6h 46m1 stop

1:55 pm - 10:29 pm

ORD

HLN

9h 34m2 stops

$454Delta

Sat, Jan 10 - Wed, Jan 14

5:30 am - 4:16 pm

HLN

MDW

9h 46m2 stops

11:21 am - 10:29 pm

MDW

HLN

12h 08m2 stops

$459Delta

Sat, Jan 10 - Wed, Jan 14

5:30 am - 5:54 pm

HLN

ORD

11h 24m2 stops

1:55 pm - 10:29 pm

ORD

HLN

9h 34m2 stops

$494Delta

Sat, Jan 10 - Wed, Jan 14

4:36 pm - 1:11 pm

HLN

ORD

19h 35m2 stops

2:07 pm - 3:59 pm

ORD

HLN

26h 52m2 stops

$501Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

4:36 pm - 1:11 pm

HLN

ORD

19h 35m2 stops

2:07 pm - 3:59 pm

ORD

HLN

26h 52m2 stops

$546Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

6:48 pm - 2:38 pm

HLN

ORD

18h 50m1 stop

6:06 pm - 6:11 pm

ORD

HLN

25h 05m1 stop

$556Alaska Airlines

Sat, Jan 10 - Wed, Jan 14

Delta flights from Helena to Chicago

Our best Delta deals on Helena to Chicago flight tickets

Delta

Jan 10

HLN5:30 amHelena

6h 46m

1 stop

ORD1:16 pmChicago O'Hare Intl

Jan 14

ORD1:55 pmChicago O'Hare Intl

9h 34m

2 stops

HLN10:29 pmHelena

$454

Find similar

Delta

Jan 10

HLN5:30 amHelena

9h 46m

2 stops

MDW4:16 pmChicago Midway

Jan 14

MDW11:21 amChicago Midway

12h 08m

2 stops

HLN10:29 pmHelena

$459

Find similar

Delta

Jan 10

HLN5:30 amHelena

11h 24m

2 stops

ORD5:54 pmChicago O'Hare Intl

Jan 14

ORD1:55 pmChicago O'Hare Intl

9h 34m

2 stops

HLN10:29 pmHelena

$494

Find similar

Alaska Airlines flights from Helena to Chicago

Our best Alaska Airlines deals on Helena to Chicago flight tickets

Alaska Airlines

Feb 14

HLN4:36 pmHelena

20h 29m

1 stop

ORD2:05 pmChicago O'Hare Intl

Feb 18

ORD7:00 amChicago O'Hare Intl

9h 59m

1 stop

HLN3:59 pmHelena

$350

Find similar

Alaska Airlines

Feb 14

HLN4:36 pmHelena

19h 35m

2 stops

ORD1:11 pmChicago O'Hare Intl

Feb 18

ORD7:00 amChicago O'Hare Intl

9h 59m

1 stop

HLN3:59 pmHelena

$420

Find similar

Alaska Airlines

Feb 14

HLN4:36 pmHelena

20h 29m

1 stop

ORD2:05 pmChicago O'Hare Intl

Feb 18

ORD2:07 pmChicago O'Hare Intl

26h 52m

2 stops

HLN3:59 pmHelena

$432

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

4:36 pm-2:05 pm

1 stop20h 29m

Chicago O'Hare Intl

Wed 2/18

7:00 am-3:59 pm

1 stop9h 59m

$350

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

4:36 pm-1:11 pm

2 stops19h 35m

Chicago O'Hare Intl

Wed 2/18

7:00 am-3:59 pm

1 stop9h 59m

$420

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

4:36 pm-2:05 pm

1 stop20h 29m

Chicago O'Hare Intl

Wed 2/18

2:07 pm-3:59 pm

2 stops26h 52m

$432

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 1/10

5:30 am-1:16 pm

1 stop6h 46m

Chicago O'Hare Intl

Wed 1/14

1:55 pm-10:29 pm

2 stops9h 34m

$454

HelenaChicago

HLN - MDW

HLNMDW

Helena

Sat 1/10

5:30 am-4:16 pm

2 stops9h 46m

Chicago Midway

Wed 1/14

11:21 am-10:29 pm

2 stops12h 08m

$459

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 1/10

5:30 am-5:54 pm

2 stops11h 24m

Chicago O'Hare Intl

Wed 1/14

1:55 pm-10:29 pm

2 stops9h 34m

$494

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

4:36 pm-1:11 pm

2 stops19h 35m

Chicago O'Hare Intl

Wed 2/18

2:07 pm-3:59 pm

2 stops26h 52m

$501

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

4:36 pm-1:11 pm

2 stops19h 35m

Chicago O'Hare Intl

Wed 2/18

2:07 pm-3:59 pm

2 stops26h 52m

$546

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 1/10

6:48 pm-2:38 pm

1 stop18h 50m

Chicago O'Hare Intl

Wed 1/14

6:06 pm-6:11 pm

1 stop25h 05m

$556

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 1/3

5:30 am-12:41 pm

1 stop6h 11m

$610

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Helena and Chicago?

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $680. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Helena to Chicago for around $780.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is at noon. Flights from Helena to Chicago during this time can be as low as $620. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $708.

When to book flights from Helena to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Helena to Chicago (HLN to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Chicago

Fastest flight time	6h 11m
Direct flights	None

The fastest flight from Helena to Chicago takes 6h 11m

There are no direct flights from Helena to Chicago. There are no popular flight routes from Helena to Chicago.

Search flight deals

How far is Helena to Chicago by plane?
There are 1245.1 mi between Helena and Chicago. 6h 11m is a normal flight duration for this route.
When did momondo last update prices for flights from Helena Airport to Chicago?
Prices for flights from Helena Airport to Chicago are refreshed on a daily basis.
How old do you have to be to fly from Helena Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Helena to Chicago?
Based on momondo bookings for flights between Helena and Chicago, the leading airline is United Airlines, making up 100% of the total bookings.

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Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Valparaiso

Schererville

Munster

Crown Point

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helena to Chicago. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Helena to Chicago with flexible booking policies on momondo?

All flight searches from Helena to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Helena to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helena to Chicago.

I’m not ready to book a flight from Helena to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Helena are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.