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.

$170 Cheap Flights from Chicago to Helena in 2026

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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.

5:00 pm - 10:33 pm

ORD

HLN

6h 33m

1 stop

1:00 pm - 9:50 pm

HLN

ORD

7h 50m

1 stop

$289Delta

Sat, May 23 - Sun, May 31

7:24 pm - 5:45 pm

ORD

HLN

23h 21m

1 stop

6:22 pm - 6:39 am

HLN

ORD

11h 17m

1 stop

$314Alaska Airlines

Fri, Apr 10 - Mon, Apr 13

7:15 am - 12:25 pm

ORD

HLN

6h 10m

1 stop

1:10 pm - 9:52 pm

HLN

ORD

7h 42m

1 stop

$339Delta

Mon, Mar 2 - Fri, Mar 6

7:00 am - 3:59 pm

ORD

HLN

9h 59m

1 stop

4:36 pm - 11:59 pm

HLN

ORD

30h 23m

2 stops

$360Alaska Airlines

Fri, Mar 6 - Mon, Mar 9

7:00 am - 3:59 pm

ORD

HLN

9h 59m

1 stop

4:36 pm - 2:58 pm

HLN

ORD

21h 22m

2 stops

$373Alaska Airlines

Fri, Mar 6 - Mon, Mar 9

1:00 pm - 3:59 pm

ORD

HLN

27h 59m

1 stop

4:36 pm - 2:13 pm

HLN

ORD

20h 37m

1 stop

$374Alaska Airlines

Fri, Mar 6 - Mon, Mar 9

6:00 am - 5:45 pm

ORD

HLN

12h 45m

1 stop

6:22 pm - 2:08 pm

HLN

ORD

18h 46m

2 stops

$380Alaska Airlines

Wed, Apr 22 - Sat, Apr 25

3:54 pm - 3:59 pm

ORD

HLN

25h 05m

1 stop

4:36 pm - 11:59 pm

HLN

ORD

30h 23m

2 stops

$385Alaska Airlines

Fri, Mar 6 - Mon, Mar 9

2:09 pm - 5:45 pm

ORD

HLN

28h 36m

2 stops

6:22 pm - 6:39 am

HLN

ORD

11h 17m

1 stop

$386Alaska Airlines

Fri, Apr 10 - Mon, Apr 13

6:00 am - 5:45 pm

ORD

HLN

12h 45m

1 stop

6:22 pm - 1:13 pm

HLN

ORD

17h 51m

2 stops

$403Alaska Airlines

Wed, Apr 22 - Sun, Apr 26

Delta flights from Chicago to Helena

Our best Delta deals on Chicago to Helena flight tickets

Delta

May 23

ORD5:00 pmChicago O'Hare Intl

6h 33m

1 stop

HLN10:33 pmHelena

May 31

HLN1:00 pmHelena

7h 50m

1 stop

ORD9:50 pmChicago O'Hare Intl

$289

Delta

Mar 2

ORD7:15 amChicago O'Hare Intl

6h 10m

1 stop

HLN12:25 pmHelena

Mar 6

HLN1:10 pmHelena

7h 42m

1 stop

ORD9:52 pmChicago O'Hare Intl

$339

Delta

Jul 11

ORD7:15 amChicago O'Hare Intl

6h 08m

1 stop

HLN12:23 pmHelena

Jul 18

HLN5:45 amHelena

10h 03m

2 stops

ORD4:48 pmChicago O'Hare Intl

$404

United Airlines flights from Chicago to Helena

Our best United Airlines deals on Chicago to Helena flight tickets

United Airlines

Mar 16

ORD4:05 pmChicago O'Hare Intl

6h 20m

1 stop

HLN9:25 pmHelena

Mar 21

HLN2:30 pmHelena

7h 25m

1 stop

ORD10:55 pmChicago O'Hare Intl

$369

United Airlines

Mar 14

ORD7:00 amChicago O'Hare Intl

7h 38m

1 stop

HLN1:38 pmHelena

Mar 20

HLN2:30 pmHelena

7h 25m

1 stop

ORD10:55 pmChicago O'Hare Intl

$429

United Airlines

Mar 15

ORD7:00 amChicago O'Hare Intl

7h 38m

1 stop

HLN1:38 pmHelena

Mar 21

HLN2:30 pmHelena

8h 22m

1 stop

ORD11:52 pmChicago O'Hare Intl

$470

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 5/23

5:00 pm-10:33 pm

1 stop6h 33m

Helena

Sun 5/31

1:00 pm-9:50 pm

1 stop7h 50m

$289

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 4/10

7:24 pm-5:45 pm

1 stop23h 21m

Helena

Mon 4/13

6:22 pm-6:39 am

1 stop11h 17m

$314

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Mon 3/2

7:15 am-12:25 pm

1 stop6h 10m

Helena

Fri 3/6

1:10 pm-9:52 pm

1 stop7h 42m

$339

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 3/6

7:00 am-3:59 pm

1 stop9h 59m

Helena

Mon 3/9

4:36 pm-11:59 pm

2 stops30h 23m

$360

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 3/6

7:00 am-3:59 pm

1 stop9h 59m

Helena

Mon 3/9

4:36 pm-2:58 pm

2 stops21h 22m

$373

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 3/6

1:00 pm-3:59 pm

1 stop27h 59m

Helena

Mon 3/9

4:36 pm-2:13 pm

1 stop20h 37m

$374

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 4/22

6:00 am-5:45 pm

1 stop12h 45m

Helena

Sat 4/25

6:22 pm-2:08 pm

2 stops18h 46m

$380

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 3/6

3:54 pm-3:59 pm

1 stop25h 05m

Helena

Mon 3/9

4:36 pm-11:59 pm

2 stops30h 23m

$385

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 4/10

2:09 pm-5:45 pm

2 stops28h 36m

Helena

Mon 4/13

6:22 pm-6:39 am

1 stop11h 17m

$386

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 4/22

6:00 am-5:45 pm

1 stop12h 45m

Helena

Sun 4/26

6:22 pm-1:13 pm

2 stops17h 51m

$403

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

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

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

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 50% 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 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 01m
Direct flights	None

The fastest flight from Chicago to Helena takes 6h 01m

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 6h 01m.
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.