Which airport is the most popular layover for flights between Chicago and Helena?

Salt Lake City (SLC) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Chicago to Helena?

Denver (DEN) has the shortest average layover time for this route: 1h 15m.

Which layover airport offers the lowest fares from Chicago to Helena?

Flights via Denver (DEN) offer the lowest average round-trip price of $513.

Which layover airport has the shortest travel time from Chicago to Helena?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 08m.

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.

$330 Cheap Flights from Chicago to Helena in 2026/27

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.

7:35 am - 12:28 pmORD Chicago O'Hare Intl-HLN Helena

5h 53m1 stop Salt Lake City

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

7h 57m1 stop Salt Lake City

$359Delta

Sat, Oct 10 - Sat, Oct 17

2:30 pm - 9:08 pmORD Chicago O'Hare Intl-HLN Helena

7h 38m1 stop Denver Intl

2:30 pm - 9:18 pmHLN Helena-ORD Chicago O'Hare Intl

5h 48m1 stop Denver Intl

$359United Airlines

Tue, Oct 6 - Sat, Oct 10

7:00 am - 1:48 pmORD Chicago O'Hare Intl-HLN Helena

7h 48m1 stop Denver Intl

2:30 pm - 10:46 pmHLN Helena-ORD Chicago O'Hare Intl

7h 16m1 stop Denver Intl

$376United Airlines

Mon, Oct 5 - Sat, Oct 10

7:35 am - 12:28 pmORD Chicago O'Hare Intl-HLN Helena

5h 53m1 stop Salt Lake City

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

7h 57m1 stop Salt Lake City

$389Delta

Tue, Oct 6 - Sat, Oct 10

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

9h 23m1 stop Seattle/Tacoma Intl

5:00 pm - 2:21 pmHLN Helena-ORD Chicago O'Hare Intl

20h 21m1 stop Seattle/Tacoma Intl

$418Alaska Airlines

Sat, Jan 30 - Tue, Feb 2

7:00 am - 1:48 pmORD Chicago O'Hare Intl-HLN Helena

7h 48m1 stop Denver Intl

6:25 am - 3:20 pmHLN Helena-ORD Chicago O'Hare Intl

7h 55m1 stop Denver Intl

$429United Airlines

Tue, Sep 29 - Sat, Oct 3

2:37 pm - 8:59 pmORD Chicago O'Hare Intl-HLN Helena

7h 22m1 stop Denver Intl

2:30 pm - 9:31 pmHLN Helena-ORD Chicago O'Hare Intl

6h 01m1 stop Denver Intl

$429United Airlines

Sat, Jan 30 - Tue, Feb 2

7:35 am - 12:28 pmORD Chicago O'Hare Intl-HLN Helena

5h 53m1 stop Salt Lake City

1:08 pm - 8:53 amHLN Helena-ORD Chicago O'Hare Intl

18h 45m2 stops Salt Lake City Minneapolis St Paul

$447Delta

Tue, Oct 6 - Fri, Oct 9

2:37 pm - 8:59 pmORD Chicago O'Hare Intl-HLN Helena

7h 22m1 stop Denver Intl

2:30 pm - 9:31 pmHLN Helena-ORD Chicago O'Hare Intl

6h 01m1 stop Denver Intl

$449United Airlines

Sat, Jan 30 - Tue, Feb 2

1:30 pm - 9:08 pmORD Chicago O'Hare Intl-HLN Helena

8h 38m1 stop Denver Intl

2:23 pm - 9:30 pmHLN Helena-ORD Chicago O'Hare Intl

6h 07m1 stop Denver Intl

$449United Airlines

Sat, Oct 24 - Mon, Oct 26

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United Airlines flights from Chicago to Helena

Our best United Airlines deals on Chicago to Helena flight tickets

United Airlines

Oct 6

ORD2:30 pmChicago O'Hare Intl

7h 38m

1 stop

HLN9:08 pmHelena

Oct 10

HLN2:30 pmHelena

5h 48m

1 stop

ORD9:18 pmChicago O'Hare Intl

$359

United Airlines

Oct 5

ORD7:00 amChicago O'Hare Intl

7h 48m

1 stop

HLN1:48 pmHelena

Oct 10

HLN2:30 pmHelena

7h 16m

1 stop

ORD10:46 pmChicago O'Hare Intl

$376

United Airlines

Sep 29

ORD7:00 amChicago O'Hare Intl

7h 48m

1 stop

HLN1:48 pmHelena

Oct 3

HLN6:25 amHelena

7h 55m

1 stop

ORD3:20 pmChicago O'Hare Intl

$429

Alaska Airlines flights from Chicago to Helena

Our best Alaska Airlines deals on Chicago to Helena flight tickets

Alaska Airlines

Jan 30

ORD8:00 amChicago O'Hare Intl

9h 23m

1 stop

HLN4:23 pmHelena

Feb 2

HLN5:00 pmHelena

20h 21m

1 stop

ORD2:21 pmChicago O'Hare Intl

$416

Alaska Airlines

Jan 30

ORD8:00 amChicago O'Hare Intl

9h 23m

1 stop

HLN4:23 pmHelena

Feb 2

HLN5:00 pmHelena

20h 21m

1 stop

ORD2:21 pmChicago O'Hare Intl

$418

Alaska Airlines

Oct 9

ORD5:46 pmChicago O'Hare Intl

24h 03m

1 stop

HLN4:49 pmHelena

Oct 17

HLN5:26 pmHelena

11h 14m

1 stop

ORD5:40 amChicago O'Hare Intl

$534

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Sat 10/10

7:35 am-12:28 pm

1 stop5h 53m

Helena

Sat 10/17

1:08 pm-10:05 pm

1 stop7h 57m

$359

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Tue 10/6

2:30 pm-9:08 pm

1 stop7h 38m

Helena

Sat 10/10

2:30 pm-9:18 pm

1 stop5h 48m

$359

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Mon 10/5

7:00 am-1:48 pm

1 stop7h 48m

Helena

Sat 10/10

2:30 pm-10:46 pm

1 stop7h 16m

$376

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Tue 10/6

7:35 am-12:28 pm

1 stop5h 53m

Helena

Sat 10/10

1:08 pm-10:05 pm

1 stop7h 57m

$389

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Sat 1/30

8:00 am-4:23 pm

1 stop9h 23m

Helena

Tue 2/2

5:00 pm-2:21 pm

1 stop20h 21m

$418

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Tue 9/29

7:00 am-1:48 pm

1 stop7h 48m

Helena

Sat 10/3

6:25 am-3:20 pm

1 stop7h 55m

$429

Quickest round-trip

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Sat 1/30

2:37 pm-8:59 pm

1 stop7h 22m

Helena

Tue 2/2

2:30 pm-9:31 pm

1 stop6h 01m

$429

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Tue 10/6

7:35 am-12:28 pm

1 stop5h 53m

Helena

Fri 10/9

1:08 pm-8:53 am

2 stops18h 45m

$447

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Sat 1/30

2:37 pm-8:59 pm

1 stop7h 22m

Helena

Tue 2/2

2:30 pm-9:31 pm

1 stop6h 01m

$449

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Sat 10/24

1:30 pm-9:08 pm

1 stop8h 38m

Helena

Mon 10/26

2:23 pm-9:30 pm

1 stop6h 07m

$449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

Airlines

Layovers

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

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

What airlines fly to Helena?

American Airlines, United Airlines and Delta 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 49% 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

Best Price Found	$330
Fastest flight time	5h 53m
Direct flights	None

The best one-way flight to Helena from Chicago in the past 72 hours is $330. The best round-trip flight deal from Chicago to Helena found on momondo in the last 72 hours is $359.

The fastest flight from Chicago to Helena takes 5h 53m

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

Search flight deals

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 53m.
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.
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 United Airlines (100% of total bookings).

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.