What airlines fly to Helena?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Helena from Chicago according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chicago to Helena Airport were last updated today.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Helena Airport.

What documentation or ID do you need to fly to Helena Airport?

The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$337 Cheap Flights from Chicago to Helena in 2025/26

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0 bags

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Find the cheapest flights from Chicago to Helena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 3:59 pm

ORD

HLN

9h 59m1 stop

4:36 pm - 12:01 pm

HLN

ORD

18h 25m1 stop

$337Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

7:00 am - 3:59 pm

ORD

HLN

9h 59m1 stop

4:36 pm - 2:11 pm

HLN

ORD

20h 35m1 stop

$342Alaska Airlines

Fri, Feb 20 - Tue, Feb 24

7:00 am - 3:59 pm

ORD

HLN

9h 59m1 stop

4:36 pm - 12:01 pm

HLN

ORD

18h 25m1 stop

$347Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

3:59 pm - 9:26 pm

ORD

HLN

6h 27m1 stop

2:27 pm - 11:59 pm

HLN

ORD

8h 32m1 stop

$353United Airlines

Sun, Jan 18 - Sun, Jan 25

2:05 pm - 10:27 pm

ORD

HLN

9h 22m2 stops

5:30 am - 12:19 pm

HLN

ORD

5h 49m1 stop

$358Delta

Mon, Feb 23 - Fri, Feb 27

7:00 am - 3:59 pm

ORD

HLN

9h 59m1 stop

4:36 pm - 2:11 pm

HLN

ORD

20h 35m1 stop

$367Alaska Airlines

Mon, Feb 23 - Fri, Feb 27

7:00 am - 3:59 pm

ORD

HLN

9h 59m1 stop

4:36 pm - 1:11 pm

HLN

ORD

19h 35m2 stops

$373Alaska Airlines

Fri, Feb 20 - Tue, Feb 24

2:07 pm - 3:59 pm

ORD

HLN

26h 52m2 stops

4:36 pm - 2:11 pm

HLN

ORD

20h 35m1 stop

$388Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

1:26 pm - 10:27 pm

MDW

HLN

10h 01m2 stops

5:30 am - 5:37 pm

HLN

MDW

11h 07m2 stops

$559Delta

Fri, Feb 20 - Tue, Feb 24

11:21 am - 10:29 pm

MDW

HLN

12h 08m2 stops

5:30 am - 5:55 pm

HLN

MDW

11h 25m2 stops

$699Delta

Sun, Jan 18 - Sun, Jan 25

Alaska Airlines flights from Chicago to Helena

Our best Alaska Airlines deals on Chicago to Helena flight tickets

Alaska Airlines

Feb 14

ORD7:00 amChicago O'Hare Intl

9h 59m

1 stop

HLN3:59 pmHelena

Feb 18

HLN4:36 pmHelena

18h 25m

1 stop

ORD12:01 pmChicago O'Hare Intl

$337

Find similar

Alaska Airlines

Feb 20

ORD7:00 amChicago O'Hare Intl

9h 59m

1 stop

HLN3:59 pmHelena

Feb 24

HLN4:36 pmHelena

20h 35m

1 stop

ORD2:11 pmChicago O'Hare Intl

$342

Find similar

Alaska Airlines

Feb 14

ORD7:00 amChicago O'Hare Intl

9h 59m

1 stop

HLN3:59 pmHelena

Feb 18

HLN4:36 pmHelena

18h 25m

1 stop

ORD12:01 pmChicago O'Hare Intl

$347

Find similar

United Airlines flights from Chicago to Helena

Our best United Airlines deals on Chicago to Helena flight tickets

United Airlines

Jan 18

ORD3:59 pmChicago O'Hare Intl

6h 27m

1 stop

HLN9:26 pmHelena

Jan 25

HLN2:27 pmHelena

8h 32m

1 stop

ORD11:59 pmChicago O'Hare Intl

$353

Find similar

United Airlines

Mar 19

ORD2:45 pmChicago O'Hare Intl

7h 40m

1 stop

HLN9:25 pmHelena

Mar 23

HLN2:30 pmHelena

7h 24m

1 stop

ORD10:54 pmChicago O'Hare Intl

$578

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 2/14

7:00 am-3:59 pm

1 stop9h 59m

Helena

Wed 2/18

4:36 pm-12:01 pm

1 stop18h 25m

$337

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 2/20

7:00 am-3:59 pm

1 stop9h 59m

Helena

Tue 2/24

4:36 pm-2:11 pm

1 stop20h 35m

$342

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 2/14

7:00 am-3:59 pm

1 stop9h 59m

Helena

Wed 2/18

4:36 pm-12:01 pm

1 stop18h 25m

$347

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sun 1/18

3:59 pm-9:26 pm

1 stop6h 27m

Helena

Sun 1/25

2:27 pm-11:59 pm

1 stop8h 32m

$353

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Mon 2/23

2:05 pm-10:27 pm

2 stops9h 22m

Helena

Fri 2/27

5:30 am-12:19 pm

1 stop5h 49m

$358

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Mon 2/23

7:00 am-3:59 pm

1 stop9h 59m

Helena

Fri 2/27

4:36 pm-2:11 pm

1 stop20h 35m

$367

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 2/20

7:00 am-3:59 pm

1 stop9h 59m

Helena

Tue 2/24

4:36 pm-1:11 pm

2 stops19h 35m

$373

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 2/14

2:07 pm-3:59 pm

2 stops26h 52m

Helena

Wed 2/18

4:36 pm-2:11 pm

1 stop20h 35m

$388

ChicagoHelena

MDW - HLN

MDWHLN

Chicago Midway

Fri 2/20

1:26 pm-10:27 pm

2 stops10h 01m

Helena

Tue 2/24

5:30 am-5:37 pm

2 stops11h 07m

$559

ChicagoHelena

MDW - HLN

MDWHLN

Chicago Midway

Sun 1/18

11:21 am-10:29 pm

2 stops12h 08m

Helena

Sun 1/25

5:30 am-5:55 pm

2 stops11h 25m

$699

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Chicago to Helena

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 cheapest day to depart on your flight to Helena?

The cheapest day to depart from Chicago to Helena is on a Wednesday. Travelers who choose to depart for Helena on a Wednesday will often find tickets for as low as $477. The most expensive day to fly to Helena is Monday, with ticket prices averaging around $1,040.

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

According to our data, the cheapest time of day to fly to Helena is in the morning. momondo users have found flights departing from Chicago to Helena in the morning for as low as $557. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the afternoon when prices are around $863.

When to book flights from Chicago to Helena

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

Estimated round-trip price

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

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

Fastest flight time	6h 27m
Direct flights	None

The fastest flight from Chicago to Helena takes 6h 27m

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

Search flight deals

How far is Chicago to Helena by plane?
A flight from Chicago to Helena will travel around 1245.1 mi. By plane, this route typically takes 6h 27m.
When did momondo last update prices for flights from Chicago to Helena Airport?
Prices for flights from Chicago to Helena Airport were last updated today.
How old do you have to be to fly from Chicago to Helena Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Helena for you.

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

Yes. All flights to Helena from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Chicago to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Chicago to Helena now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Helena and let you know when they change.