What airlines fly to Helena?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Helena from Illinois according to our data. American Airlines is the first choice among our users, with 47% 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.

How long does it take to fly to Helena?

On average, it takes 3h 16m to fly from Illinois to Helena if you fly out of Chicago (the most popular airport in Illinois) and into Bozeman (the most popular airport in Helena). If you’re flying out of Moline and into Bozeman, then the flight time is around 5h 52m.

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Helena Airport.

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

The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$350 Cheap Flights from Illinois to Helena in 2025/26

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Find the cheapest flights from Illinois to Helena

Round-trip

Last minute

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 - 4:33 pm

HLN

ORD

22h 57m1 stop

$350Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

2:36 pm - 9:26 pm

ORD

HLN

7h 50m1 stop

2:27 pm - 9:15 pm

HLN

ORD

5h 48m1 stop

$359United Airlines

Mon, Jan 26 - Thu, Jan 29

2:06 pm - 6:11 pm

ORD

HLN

29h 05m2 stops

6:48 pm - 2:38 pm

HLN

ORD

18h 50m1 stop

$366Alaska Airlines

Mon, Jan 26 - Thu, Jan 29

10:45 am - 9:26 pm

PIA

HLN

11h 41m2 stops

2:27 pm - 8:47 pm

HLN

PIA

5h 20m1 stop

$379United Airlines

Sat, Jan 10 - Wed, Jan 14

7:00 am - 3:59 pm

STL

HLN

9h 59m1 stop

4:36 pm - 2:23 pm

HLN

STL

20h 47m1 stop

$390Alaska Airlines

Tue, Feb 24 - Sat, Feb 28

1:24 pm - 9:26 pm

PIA

HLN

9h 02m2 stops

2:27 pm - 8:47 pm

HLN

PIA

5h 20m1 stop

$394United Airlines

Fri, Jan 9 - Tue, Jan 13

7:20 am - 12:24 pm

ORD

HLN

6h 04m1 stop

1:04 pm - 9:35 pm

HLN

ORD

7h 31m1 stop

$399Delta

Tue, Apr 14 - Sat, Apr 18

10:45 am - 9:26 pm

PIA

HLN

11h 41m2 stops

6:15 am - 4:43 pm

HLN

PIA

9h 28m2 stops

$399United Airlines

Fri, Jan 9 - Tue, Jan 13

11:43 am - 10:35 pm

STL

HLN

11h 52m2 stops

5:30 am - 1:25 pm

HLN

STL

6h 55m1 stop

$482Delta

Wed, Apr 22 - Mon, Apr 27

1:26 pm - 10:35 pm

ORD

HLN

10h 09m2 stops

1:04 pm - 9:35 pm

HLN

ORD

7h 31m1 stop

$483Delta

Tue, Apr 14 - Sat, Apr 18

United Airlines flights from Illinois to Helena

Our best United Airlines deals on Illinois to Helena flight tickets

United Airlines

Jan 26

ORD2:36 pmChicago O'Hare Intl

7h 50m

1 stop

HLN9:26 pmHelena

Jan 29

HLN2:27 pmHelena

5h 48m

1 stop

ORD9:15 pmChicago O'Hare Intl

$359

Find similar

United Airlines

Jan 10

PIA10:45 amGreater Peoria

11h 41m

2 stops

HLN9:26 pmHelena

Jan 14

HLN2:27 pmHelena

5h 20m

1 stop

PIA8:47 pmGreater Peoria

$379

Find similar

United Airlines

Jan 9

PIA1:24 pmGreater Peoria

9h 02m

2 stops

HLN9:26 pmHelena

Jan 13

HLN2:27 pmHelena

5h 20m

1 stop

PIA8:47 pmGreater Peoria

$394

Find similar

Alaska Airlines flights from Illinois to Helena

Our best Alaska Airlines deals on Illinois 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

22h 57m

1 stop

ORD4:33 pmChicago O'Hare Intl

$350

Find similar

Alaska Airlines

Jan 26

ORD2:06 pmChicago O'Hare Intl

29h 05m

2 stops

HLN6:11 pmHelena

Jan 29

HLN6:48 pmHelena

18h 50m

1 stop

ORD2:38 pmChicago O'Hare Intl

$366

Find similar

Alaska Airlines

Feb 24

STL7:00 amLambert-St Louis

9h 59m

1 stop

HLN3:59 pmHelena

Feb 28

HLN4:36 pmHelena

20h 47m

1 stop

STL2:23 pmLambert-St Louis

$390

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-4:33 pm

1 stop22h 57m

$350

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Mon 1/26

2:36 pm-9:26 pm

1 stop7h 50m

Helena

Thu 1/29

2:27 pm-9:15 pm

1 stop5h 48m

$359

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Mon 1/26

2:06 pm-6:11 pm

2 stops29h 05m

Helena

Thu 1/29

6:48 pm-2:38 pm

1 stop18h 50m

$366

PeoriaHelena

PIA - HLN

PIAHLN

Greater Peoria

Sat 1/10

10:45 am-9:26 pm

2 stops11h 41m

Helena

Wed 1/14

2:27 pm-8:47 pm

1 stop5h 20m

$379

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Tue 2/24

7:00 am-3:59 pm

1 stop9h 59m

Helena

Sat 2/28

4:36 pm-2:23 pm

1 stop20h 47m

$390

PeoriaHelena

PIA - HLN

PIAHLN

Greater Peoria

Fri 1/9

1:24 pm-9:26 pm

2 stops9h 02m

Helena

Tue 1/13

2:27 pm-8:47 pm

1 stop5h 20m

$394

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 4/14

7:20 am-12:24 pm

1 stop6h 04m

Helena

Sat 4/18

1:04 pm-9:35 pm

1 stop7h 31m

$399

PeoriaHelena

PIA - HLN

PIAHLN

Greater Peoria

Fri 1/9

10:45 am-9:26 pm

2 stops11h 41m

Helena

Tue 1/13

6:15 am-4:43 pm

2 stops9h 28m

$399

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Wed 4/22

11:43 am-10:35 pm

2 stops11h 52m

Helena

Mon 4/27

5:30 am-1:25 pm

1 stop6h 55m

$482

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 4/14

1:26 pm-10:35 pm

2 stops10h 09m

Helena

Sat 4/18

1:04 pm-9:35 pm

1 stop7h 31m

$483

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Illinois 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

Other information

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

The cheapest day to depart from Illinois 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 Illinois 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.

Cheap Illinois to Helena flight deals and tips

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

Fastest flight time	5h 59m
Direct flights	None

The fastest flight from Illinois to Helena takes 5h 59m

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

Search flight deals

When did momondo last update prices for flights from Illinois to Helena Airport?
Prices for flights from Illinois to Helena Airport were last updated today.
How old do you have to be to fly from Illinois to Helena Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Helena. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Illinois to Helena flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Helena from Illinois.

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

Yes. momondo can track prices for Illinois to Helena flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.