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 45% 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.

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

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

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 many operators does momondo search for flights from Chicago to Helena Airport?

The number of operators available for flights from Chicago to Helena Airport is 1 as of September 2025.

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.

$317 Cheap Flights from Chicago to Helena in 2025/26

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Find the cheapest flights from Chicago to Helena

Round-trip

One-way

Cheap round-trip flights

8:00 am - 5:36 pmORD-HLN

10h 36m1 stop

6:13 pm - 6:22 amHLN-ORD

11h 09m1 stop

$317Hawaiian Airlines

Find Deal

Tue, Oct 28 - Fri, Oct 31

7:50 am - 12:20 pmORD-HLN

5h 30m1 stop

1:00 pm - 5:18 pmHLN-ORD

27h 18m2 stops

$353Delta

Find Deal

Tue, Oct 28 - Fri, Oct 31

6:05 pm - 12:20 pmORD-HLN

19h 15m2 stops

1:00 pm - 5:18 pmHLN-ORD

27h 18m2 stops

$355Delta

Find Deal

Tue, Oct 28 - Fri, Oct 31

7:20 am - 12:26 pmORD-HLN

6h 06m1 stop

5:30 am - 12:41 pmHLN-ORD

6h 11m1 stop

$381Delta

Find Deal

Sun, Dec 14 - Wed, Dec 17

6:00 am - 5:41 pmORD-HLN

12h 41m1 stop

6:18 pm - 11:59 pmHLN-ORD

28h 41m1 stop

$424Alaska Airlines

Find Deal

Sat, Oct 4 - Fri, Oct 17

8:00 am - 5:36 pmORD-HLN

10h 36m1 stop

6:13 pm - 7:55 pmHLN-ORD

24h 42m2 stops

$431Alaska Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

1:51 pm - 9:22 pmORD-HLN

8h 31m1 stop

6:30 am - 2:55 pmHLN-ORD

7h 25m1 stop

$461United Airlines

Find Deal

Sun, Dec 14 - Wed, Dec 17

6:00 am - 5:41 pmORD-HLN

12h 41m1 stop

6:13 pm - 6:22 amHLN-ORD

11h 09m1 stop

$469Alaska Airlines

Find Deal

Wed, Oct 22 - Sun, Oct 26

2:54 pm - 5:36 pmORD-HLN

27h 42m2 stops

6:13 pm - 11:59 pmHLN-ORD

28h 46m2 stops

$477Alaska Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

8:49 am - 2:09 pmORD-HLN

6h 20m1 stop

5:18 pm - 11:59 pmHLN-ORD

5h 41m1 stop

$529United Airlines

Find Deal

Thu, Oct 9 - Sun, Oct 12

Alaska Airlines flights from Chicago to Helena

Our best Alaska Airlines deals on Chicago to Helena flight tickets

Alaska Airlines

Oct 4

ORD6:00 amChicago O'Hare Intl

12h 41m

1 stop

HLN5:41 pmHelena

Oct 17

HLN6:18 pmHelena

28h 41m

1 stop

ORD11:59 pmChicago O'Hare Intl

$424

Find similar

Alaska Airlines

Oct 29

ORD8:00 amChicago O'Hare Intl

10h 36m

1 stop

HLN5:36 pmHelena

Nov 5

HLN6:13 pmHelena

24h 42m

2 stops

ORD7:55 pmChicago O'Hare Intl

$431

Find similar

Alaska Airlines

Oct 22

ORD6:00 amChicago O'Hare Intl

12h 41m

1 stop

HLN5:41 pmHelena

Oct 26

HLN6:13 pmHelena

11h 09m

1 stop

ORD6:22 amChicago O'Hare Intl

$469

Find similar

United Airlines flights from Chicago to Helena

Our best United Airlines deals on Chicago to Helena flight tickets

United Airlines

Dec 14

ORD1:51 pmChicago O'Hare Intl

8h 31m

1 stop

HLN9:22 pmHelena

Dec 17

HLN6:30 amHelena

7h 25m

1 stop

ORD2:55 pmChicago O'Hare Intl

$461

Find similar

United Airlines

Oct 9

ORD8:49 amChicago O'Hare Intl

6h 20m

1 stop

HLN2:09 pmHelena

Oct 12

HLN5:18 pmHelena

5h 41m

1 stop

ORD11:59 pmChicago O'Hare Intl

$529

Find similar

United Airlines

Dec 14

ORD7:15 amChicago O'Hare Intl

15h 07m

2 stops

HLN9:22 pmHelena

Dec 17

HLN2:30 pmHelena

8h 29m

1 stop

ORD11:59 pmChicago O'Hare Intl

$539

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 10/28

8:00 am-5:36 pm

1 stop10h 36m

Helena

Fri 10/31

6:13 pm-6:22 am

1 stop11h 09m

$317

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 10/28

7:50 am-12:20 pm

1 stop5h 30m

Helena

Fri 10/31

1:00 pm-5:18 pm

2 stops27h 18m

$353

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 10/28

6:05 pm-12:20 pm

2 stops19h 15m

Helena

Fri 10/31

1:00 pm-5:18 pm

2 stops27h 18m

$355

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sun 12/14

7:20 am-12:26 pm

1 stop6h 06m

Helena

Wed 12/17

5:30 am-12:41 pm

1 stop6h 11m

$381

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 10/4

6:00 am-5:41 pm

1 stop12h 41m

Helena

Fri 10/17

6:18 pm-11:59 pm

1 stop28h 41m

$424

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 10/29

8:00 am-5:36 pm

1 stop10h 36m

Helena

Wed 11/5

6:13 pm-7:55 pm

2 stops24h 42m

$431

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sun 12/14

1:51 pm-9:22 pm

1 stop8h 31m

Helena

Wed 12/17

6:30 am-2:55 pm

1 stop7h 25m

$461

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 10/22

6:00 am-5:41 pm

1 stop12h 41m

Helena

Sun 10/26

6:13 pm-6:22 am

1 stop11h 09m

$469

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 10/29

2:54 pm-5:36 pm

2 stops27h 42m

Helena

Wed 11/5

6:13 pm-11:59 pm

2 stops28h 46m

$477

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 10/9

8:49 am-2:09 pm

1 stop6h 20m

Helena

Sun 10/12

5:18 pm-11:59 pm

1 stop5h 41m

$529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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

Direct flights	None

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

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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 5h 30m.
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 many operators does momondo search for flights from Chicago to Helena Airport?
The number of operators available for flights from Chicago to Helena Airport is 1 as of September 2025.
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.
What is the most popular airline from Chicago to Helena?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Helena is Delta (100% of total bookings).

Best airlines flying from Chicago to Helena

Compare and see reviews for airlines that fly from Chicago to Helena with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 8,929 reviews		Search United Airlines flights

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.