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.

$180 Cheap Flights from Chicago to Helena in 2026

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Find the cheapest flights from Chicago to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 am - 12:23 pm

ORD

HLN

5h 38m

1 stop

1:00 pm - 9:23 pm

HLN

ORD

7h 23m

1 stop

$365Delta

Wed, Jun 3 - Sat, Jun 13

3:47 pm - 10:33 pm

ORD

HLN

7h 46m

2 stops

1:00 pm - 9:23 pm

HLN

ORD

7h 23m

1 stop

$370Delta

Wed, Jun 3 - Sat, Jun 13

11:30 am - 10:34 pm

ORD

HLN

12h 04m

2 stops

5:45 am - 2:58 pm

HLN

ORD

8h 13m

2 stops

$375Delta

Sat, Aug 29 - Sun, Aug 30

7:45 am - 12:23 pm

ORD

HLN

5h 38m

1 stop

5:45 am - 11:52 am

HLN

ORD

5h 07m

1 stop

$379Delta

Sun, May 10 - Wed, May 20

7:45 am - 12:23 pm

ORD

HLN

5h 38m

1 stop

1:00 pm - 9:57 pm

HLN

ORD

7h 57m

1 stop

$382Delta

Fri, Jun 5 - Fri, Jun 12

7:45 am - 12:23 pm

ORD

HLN

5h 38m

1 stop

1:03 pm - 11:59 pm

HLN

ORD

9h 56m

2 stops

$384Delta

Sun, May 10 - Wed, May 20

6:00 am - 12:23 pm

ORD

HLN

7h 23m

2 stops

12:50 pm - 9:58 pm

HLN

ORD

8h 08m

1 stop

$387Delta

Sat, Aug 22 - Fri, Aug 28

6:00 am - 12:23 pm

ORD

HLN

7h 23m

2 stops

5:45 am - 2:58 pm

HLN

ORD

8h 13m

2 stops

$392Delta

Sat, Aug 22 - Sun, Aug 30

8:00 am - 5:45 pm

ORD

HLN

10h 45m

1 stop

6:22 pm - 6:39 am

HLN

ORD

11h 17m

1 stop

$399Alaska Airlines

Thu, Apr 16 - Mon, Apr 20

7:30 am - 12:23 pm

ORD

HLN

5h 53m

1 stop

12:50 pm - 9:58 pm

HLN

ORD

8h 08m

1 stop

$412Delta

Fri, Aug 28 - Sat, Aug 29

Alaska Airlines flights from Chicago to Helena

Our best Alaska Airlines deals on Chicago to Helena flight tickets

Alaska Airlines

Apr 16

ORD8:00 amChicago O'Hare Intl

10h 45m

1 stop

HLN5:45 pmHelena

Apr 20

HLN6:22 pmHelena

11h 17m

1 stop

ORD6:39 amChicago O'Hare Intl

$399

Alaska Airlines

Apr 18

ORD6:00 amChicago O'Hare Intl

12h 45m

1 stop

HLN5:45 pmHelena

Apr 21

HLN6:22 pmHelena

11h 18m

1 stop

ORD6:40 amChicago O'Hare Intl

$417

Alaska Airlines

Apr 20

ORD8:00 amChicago O'Hare Intl

10h 45m

1 stop

HLN5:45 pmHelena

Apr 24

HLN6:22 pmHelena

11h 18m

1 stop

ORD6:40 amChicago O'Hare Intl

$429

Delta flights from Chicago to Helena

Our best Delta deals on Chicago to Helena flight tickets

Delta

Jun 3

ORD7:45 amChicago O'Hare Intl

5h 38m

1 stop

HLN12:23 pmHelena

Jun 13

HLN1:00 pmHelena

7h 23m

1 stop

ORD9:23 pmChicago O'Hare Intl

$365

Delta

Jun 3

ORD3:47 pmChicago O'Hare Intl

7h 46m

2 stops

HLN10:33 pmHelena

Jun 13

HLN1:00 pmHelena

7h 23m

1 stop

ORD9:23 pmChicago O'Hare Intl

$370

Delta

Aug 29

ORD11:30 amChicago O'Hare Intl

12h 04m

2 stops

HLN10:34 pmHelena

Aug 30

HLN5:45 amHelena

8h 13m

2 stops

ORD2:58 pmChicago O'Hare Intl

$375

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 6/3

7:45 am-12:23 pm

1 stop5h 38m

Helena

Sat 6/13

1:00 pm-9:23 pm

1 stop7h 23m

$365

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 6/3

3:47 pm-10:33 pm

2 stops7h 46m

Helena

Sat 6/13

1:00 pm-9:23 pm

1 stop7h 23m

$370

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 8/29

11:30 am-10:34 pm

2 stops12h 04m

Helena

Sun 8/30

5:45 am-2:58 pm

2 stops8h 13m

$375

Quickest round-trip

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sun 5/10

7:45 am-12:23 pm

1 stop5h 38m

Helena

Wed 5/20

5:45 am-11:52 am

1 stop5h 07m

$379

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 6/5

7:45 am-12:23 pm

1 stop5h 38m

Helena

Fri 6/12

1:00 pm-9:57 pm

1 stop7h 57m

$382

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sun 5/10

7:45 am-12:23 pm

1 stop5h 38m

Helena

Wed 5/20

1:03 pm-11:59 pm

2 stops9h 56m

$384

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 8/22

6:00 am-12:23 pm

2 stops7h 23m

Helena

Fri 8/28

12:50 pm-9:58 pm

1 stop8h 08m

$387

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 8/22

6:00 am-12:23 pm

2 stops7h 23m

Helena

Sun 8/30

5:45 am-2:58 pm

2 stops8h 13m

$392

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 4/16

8:00 am-5:45 pm

1 stop10h 45m

Helena

Mon 4/20

6:22 pm-6:39 am

1 stop11h 17m

$399

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 8/28

7:30 am-12:23 pm

1 stop5h 53m

Helena

Sat 8/29

12:50 pm-9:58 pm

1 stop8h 08m

$412

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

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

Delta and United 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 55% 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	5h 30m
Direct flights	None

The fastest flight from Chicago to Helena takes 5h 30m

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

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Frequently asked questions about flying from Chicago to Helena

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 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.