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.

$449 Cheap Flights from Helena to Chicago in 2026/27

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.

1:08 pm - 10:05 pmHLN Helena-ORD Chicago O'Hare Intl

7h 57m1 stop Salt Lake City

4:00 pm - 10:29 pmORD Chicago O'Hare Intl-HLN Helena

7h 29m1 stop Salt Lake City

$449Delta

Tue, Nov 3 - Sat, Nov 7

1:08 pm - 10:05 pmHLN Helena-ORD Chicago O'Hare Intl

7h 57m1 stop Salt Lake City

12:30 pm - 10:29 pmORD Chicago O'Hare Intl-HLN Helena

10h 59m2 stops Minneapolis St Paul Salt Lake City

$454Delta

Tue, Nov 3 - Sat, Nov 7

6:20 am - 1:30 pmHLN Helena-ORD Chicago O'Hare Intl

6h 10m1 stop Denver Intl

7:00 am - 1:52 pmORD Chicago O'Hare Intl-HLN Helena

7h 52m1 stop Denver Intl

$461United Airlines

Thu, Dec 10 - Sun, Dec 13

2:23 pm - 10:46 pmHLN Helena-ORD Chicago O'Hare Intl

7h 23m1 stop Denver Intl

3:56 pm - 9:31 pmORD Chicago O'Hare Intl-HLN Helena

6h 35m1 stop Denver Intl

$489United Airlines

Sat, Nov 14 - Tue, Nov 17

4:49 pm - 5:37 amHLN Helena-ORD Chicago O'Hare Intl

11h 48m1 stop Seattle/Tacoma Intl

9:00 am - 4:12 pmORD Chicago O'Hare Intl-HLN Helena

8h 12m1 stop Seattle/Tacoma Intl

$495Alaska Airlines

Fri, Dec 11 - Sun, Dec 13

2:23 pm - 11:59 pmHLN Helena-ORD Chicago O'Hare Intl

8h 36m1 stop Denver Intl

7:00 am - 1:40 pmORD Chicago O'Hare Intl-HLN Helena

7h 40m1 stop Denver Intl

$524United Airlines

Thu, Nov 19 - Thu, Nov 26

7:03 am - 4:43 pmHLN Helena-ORD Chicago O'Hare Intl

8h 40m2 stops Salt Lake City Minneapolis St Paul

7:25 am - 12:30 pmORD Chicago O'Hare Intl-HLN Helena

6h 05m1 stop Salt Lake City

$534Delta

Thu, Dec 10 - Sun, Dec 13

5:00 pm - 1:13 pmHLN Helena-ORD Chicago O'Hare Intl

19h 13m2 stops Seattle/Tacoma Intl Portland

8:00 am - 4:23 pmORD Chicago O'Hare Intl-HLN Helena

9h 23m1 stop Seattle/Tacoma Intl

$574Alaska Airlines

Sat, Jan 23 - Wed, Jan 27

4:49 pm - 5:37 amHLN Helena-ORD Chicago O'Hare Intl

11h 48m1 stop Seattle/Tacoma Intl

9:00 am - 4:12 pmORD Chicago O'Hare Intl-HLN Helena

8h 12m1 stop Seattle/Tacoma Intl

$579Alaska Airlines

Thu, Dec 10 - Fri, Dec 11

1:08 pm - 11:57 pmHLN Helena-ORD Chicago O'Hare Intl

9h 49m2 stops Salt Lake City Atlanta Hartsfield-Jackson

12:30 pm - 10:29 pmORD Chicago O'Hare Intl-HLN Helena

10h 59m2 stops Minneapolis St Paul Salt Lake City

$594Delta

Tue, Nov 3 - Sat, Nov 7

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Delta flights from Helena to Chicago

Our best Delta deals on Helena to Chicago flight tickets

Delta

Nov 3

HLN1:08 pmHelena

7h 57m

1 stop

ORD10:05 pmChicago O'Hare Intl

Nov 7

ORD4:00 pmChicago O'Hare Intl

7h 29m

1 stop

HLN10:29 pmHelena

$449

Delta

Nov 3

HLN1:08 pmHelena

7h 57m

1 stop

ORD10:05 pmChicago O'Hare Intl

Nov 7

ORD12:30 pmChicago O'Hare Intl

10h 59m

2 stops

HLN10:29 pmHelena

$454

Delta

Dec 10

HLN7:03 amHelena

8h 40m

2 stops

ORD4:43 pmChicago O'Hare Intl

Dec 13

ORD7:25 amChicago O'Hare Intl

6h 05m

1 stop

HLN12:30 pmHelena

$534

United Airlines flights from Helena to Chicago

Our best United Airlines deals on Helena to Chicago flight tickets

United Airlines

Dec 10

HLN6:20 amHelena

6h 10m

1 stop

ORD1:30 pmChicago O'Hare Intl

Dec 13

ORD7:00 amChicago O'Hare Intl

7h 52m

1 stop

HLN1:52 pmHelena

$461

United Airlines

Nov 14

HLN2:23 pmHelena

7h 23m

1 stop

ORD10:46 pmChicago O'Hare Intl

Nov 17

ORD3:56 pmChicago O'Hare Intl

6h 35m

1 stop

HLN9:31 pmHelena

$489

United Airlines

Nov 19

HLN2:23 pmHelena

8h 36m

1 stop

ORD11:59 pmChicago O'Hare Intl

Nov 26

ORD7:00 amChicago O'Hare Intl

7h 40m

1 stop

HLN1:40 pmHelena

$524

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Tue 11/3

1:08 pm-10:05 pm

1 stop7h 57m

Chicago O'Hare Intl

Sat 11/7

4:00 pm-10:29 pm

1 stop7h 29m

$449

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Tue 11/3

1:08 pm-10:05 pm

1 stop7h 57m

Chicago O'Hare Intl

Sat 11/7

12:30 pm-10:29 pm

2 stops10h 59m

$454

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Thu 12/10

6:20 am-1:30 pm

1 stop6h 10m

Chicago O'Hare Intl

Sun 12/13

7:00 am-1:52 pm

1 stop7h 52m

$461

Quickest round-trip

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Sat 11/14

2:23 pm-10:46 pm

1 stop7h 23m

Chicago O'Hare Intl

Tue 11/17

3:56 pm-9:31 pm

1 stop6h 35m

$489

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Fri 12/11

4:49 pm-5:37 am

1 stop11h 48m

Chicago O'Hare Intl

Sun 12/13

9:00 am-4:12 pm

1 stop8h 12m

$495

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Thu 11/19

2:23 pm-11:59 pm

1 stop8h 36m

Chicago O'Hare Intl

Thu 11/26

7:00 am-1:40 pm

1 stop7h 40m

$524

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Thu 12/10

7:03 am-4:43 pm

2 stops8h 40m

Chicago O'Hare Intl

Sun 12/13

7:25 am-12:30 pm

1 stop6h 05m

$534

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Sat 1/23

5:00 pm-1:13 pm

2 stops19h 13m

Chicago O'Hare Intl

Wed 1/27

8:00 am-4:23 pm

1 stop9h 23m

$574

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Thu 12/10

4:49 pm-5:37 am

1 stop11h 48m

Chicago O'Hare Intl

Fri 12/11

9:00 am-4:12 pm

1 stop8h 12m

$579

HelenaChicago

HLN Helena - ORD Chicago O'Hare Intl

HLNORD

Helena

Tue 11/3

1:08 pm-11:57 pm

2 stops9h 49m

Chicago O'Hare Intl

Sat 11/7

12:30 pm-10:29 pm

2 stops10h 59m

$594

Flights are sorted by cheapest round-trip flights first.

Sorted 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 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 57% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 3 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

Best Price Found	$449
Fastest flight time	7h 23m
Direct flights	None

The best flight deal from Helena to Chicago found on momondo in the last 72 hours is $449

The fastest flight from Helena to Chicago takes 7h 23m

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

Search flight deals

Frequently asked questions about flying from Helena to Chicago

How far is Helena to Chicago by plane?
There are 1245.1 mi between Helena and Chicago. 7h 23m 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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Portage

Saint Joseph

Benton Harbor

Lansing

Valparaiso

Schererville

Munster

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Monticello

Crown Point

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.

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Cheap flights from Helena to Chicago from $449

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Chicago departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Helena to Chicago

Our best Delta deals on Helena to Chicago flight tickets

United Airlines flights from Helena to Chicago

Our best United Airlines deals on Helena to Chicago flight tickets

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Frequently asked questions about flying from Helena to Chicago

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago

Fly your favorite airline to Chicago

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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