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.

$237 Cheap Flights from Helena to Chicago in 2026

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Find the cheapest flights from Helena to Chicago

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:04 pm - 9:18 pm

HLN

ORD

7h 14m

1 stop

5:00 pm - 10:34 pm

ORD

HLN

6h 34m

1 stop

$237Delta

Wed, May 6 - Sat, May 9

1:04 pm - 9:18 pm

HLN

ORD

7h 14m

1 stop

6:00 am - 12:23 pm

ORD

HLN

7h 23m

2 stops

$242Delta

Wed, May 6 - Sat, May 9

4:36 pm - 12:01 pm

HLN

ORD

18h 25m

1 stop

7:00 am - 3:59 pm

ORD

HLN

9h 59m

1 stop

$263Alaska Airlines

Sun, Mar 1 - Tue, Mar 3

12:50 pm - 9:58 pm

HLN

ORD

8h 08m

1 stop

6:00 am - 12:23 pm

ORD

HLN

7h 23m

2 stops

$268Delta

Thu, May 7 - Sat, May 9

1:04 pm - 9:18 pm

HLN

ORD

7h 14m

1 stop

7:15 am - 12:23 pm

ORD

HLN

6h 08m

1 stop

$288Delta

Wed, May 6 - Sun, May 10

2:25 pm - 9:29 pm

HLN

ORD

6h 04m

1 stop

7:10 am - 1:40 pm

ORD

HLN

7h 30m

1 stop

$289United Airlines

Sat, Feb 14 - Tue, Feb 17

12:50 pm - 9:58 pm

HLN

ORD

8h 08m

1 stop

7:15 am - 12:23 pm

ORD

HLN

6h 08m

1 stop

$314Delta

Thu, May 7 - Mon, May 11

1:04 pm - 9:18 pm

HLN

ORD

7h 14m

1 stop

7:15 am - 12:23 pm

ORD

HLN

6h 08m

1 stop

$318Delta

Wed, May 6 - Tue, May 12

12:50 pm - 11:55 pm

HLN

ORD

10h 05m

2 stops

7:15 am - 12:23 pm

ORD

HLN

6h 08m

1 stop

$319Delta

Sat, May 9 - Mon, May 11

4:36 pm - 12:01 pm

HLN

ORD

18h 25m

1 stop

8:20 am - 3:59 pm

ORD

HLN

32h 39m

2 stops

$321Alaska Airlines

Sun, Mar 1 - Tue, Mar 3

Delta flights from Helena to Chicago

Our best Delta deals on Helena to Chicago flight tickets

Delta

May 6

HLN1:04 pmHelena

7h 14m

1 stop

ORD9:18 pmChicago O'Hare Intl

May 9

ORD5:00 pmChicago O'Hare Intl

6h 34m

1 stop

HLN10:34 pmHelena

$237

Delta

May 6

HLN1:04 pmHelena

7h 14m

1 stop

ORD9:18 pmChicago O'Hare Intl

May 9

ORD6:00 amChicago O'Hare Intl

7h 23m

2 stops

HLN12:23 pmHelena

$242

Delta

May 7

HLN12:50 pmHelena

8h 08m

1 stop

ORD9:58 pmChicago O'Hare Intl

May 9

ORD6:00 amChicago O'Hare Intl

7h 23m

2 stops

HLN12:23 pmHelena

$268

Alaska Airlines flights from Helena to Chicago

Our best Alaska Airlines deals on Helena to Chicago flight tickets

Alaska Airlines

Mar 1

HLN4:36 pmHelena

18h 25m

1 stop

ORD12:01 pmChicago O'Hare Intl

Mar 3

ORD7:00 amChicago O'Hare Intl

9h 59m

1 stop

HLN3:59 pmHelena

$263

Alaska Airlines

Mar 1

HLN4:36 pmHelena

18h 25m

1 stop

ORD12:01 pmChicago O'Hare Intl

Mar 3

ORD8:20 amChicago O'Hare Intl

32h 39m

2 stops

HLN3:59 pmHelena

$321

Alaska Airlines

Apr 26

HLN6:22 pmHelena

11h 18m

1 stop

ORD6:40 amChicago O'Hare Intl

Apr 28

ORD6:00 amChicago O'Hare Intl

12h 45m

1 stop

HLN5:45 pmHelena

$329

Fly from

Fly to

Route

Depart

Return

Price

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 5/6

1:04 pm-9:18 pm

1 stop7h 14m

Chicago O'Hare Intl

Sat 5/9

5:00 pm-10:34 pm

1 stop6h 34m

$237

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 5/6

1:04 pm-9:18 pm

1 stop7h 14m

Chicago O'Hare Intl

Sat 5/9

6:00 am-12:23 pm

2 stops7h 23m

$242

HelenaChicago

HLN - ORD

HLNORD

Helena

Sun 3/1

4:36 pm-12:01 pm

1 stop18h 25m

Chicago O'Hare Intl

Tue 3/3

7:00 am-3:59 pm

1 stop9h 59m

$263

HelenaChicago

HLN - ORD

HLNORD

Helena

Thu 5/7

12:50 pm-9:58 pm

1 stop8h 08m

Chicago O'Hare Intl

Sat 5/9

6:00 am-12:23 pm

2 stops7h 23m

$268

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 5/6

1:04 pm-9:18 pm

1 stop7h 14m

Chicago O'Hare Intl

Sun 5/10

7:15 am-12:23 pm

1 stop6h 08m

$288

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

2:25 pm-9:29 pm

1 stop6h 04m

Chicago O'Hare Intl

Tue 2/17

7:10 am-1:40 pm

1 stop7h 30m

$289

HelenaChicago

HLN - ORD

HLNORD

Helena

Thu 5/7

12:50 pm-9:58 pm

1 stop8h 08m

Chicago O'Hare Intl

Mon 5/11

7:15 am-12:23 pm

1 stop6h 08m

$314

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 5/6

1:04 pm-9:18 pm

1 stop7h 14m

Chicago O'Hare Intl

Tue 5/12

7:15 am-12:23 pm

1 stop6h 08m

$318

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 5/9

12:50 pm-11:55 pm

2 stops10h 05m

Chicago O'Hare Intl

Mon 5/11

7:15 am-12:23 pm

1 stop6h 08m

$319

HelenaChicago

HLN - ORD

HLNORD

Helena

Sun 3/1

4:36 pm-12:01 pm

1 stop18h 25m

Chicago O'Hare Intl

Tue 3/3

8:20 am-3:59 pm

2 stops32h 39m

$321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

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

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

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.

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	5h 36m
Direct flights	None

The fastest flight from Helena to Chicago takes 5h 36m

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. 5h 36m 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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Schererville

Valparaiso

Munster

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Chesterton

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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.