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Cheap flights from Chicago O'Hare Intl Airport to Helena from $170

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Helena departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:10 pm - 9:33 pm
ORD
-
HLN
8h 23m
1 stop
United Airlines Logo
2:30 pm - 10:30 pm
HLN
-
ORD
7h 00m
1 stop
$289United Airlines
Wed, Apr 29 - Sat, May 2
Alaska Airlines Logo
7:00 am - 3:59 pm
ORD
-
HLN
9h 59m
1 stop
Alaska Airlines Logo
4:36 pm - 2:11 pm
HLN
-
ORD
20h 35m
1 stop
$326Alaska Airlines
Fri, Feb 27 - Mon, Mar 2
Alaska Airlines Logo
3:07 pm - 3:59 pm
ORD
-
HLN
25h 52m
2 stops
Alaska Airlines Logo
4:36 pm - 2:13 pm
HLN
-
ORD
20h 37m
1 stop
$331Alaska Airlines
Fri, Mar 6 - Mon, Mar 9
United Airlines Logo
2:36 pm - 9:26 pm
ORD
-
HLN
7h 50m
1 stop
United Airlines Logo
2:27 pm - 9:15 pm
HLN
-
ORD
5h 48m
1 stop
$339United Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
9:02 am - 9:33 pm
ORD
-
HLN
13h 31m
2 stops
United Airlines Logo
2:30 pm - 10:58 pm
HLN
-
ORD
7h 28m
1 stop
$394United Airlines
Wed, Apr 29 - Sat, May 2
Alaska Airlines Logo
7:24 pm - 5:45 pm
ORD
-
HLN
23h 21m
1 stop
Alaska Airlines Logo
6:22 pm - 6:39 am
HLN
-
ORD
11h 17m
1 stop
$403Alaska Airlines
Thu, Mar 26 - Sun, Mar 29
United Airlines Logo
9:02 am - 9:33 pm
ORD
-
HLN
13h 31m
2 stops
United Airlines Logo
2:30 pm - 10:30 pm
HLN
-
ORD
7h 00m
1 stop
$405United Airlines
Wed, Apr 29 - Sat, May 2
Alaska Airlines Logo
6:20 am - 4:22 pm
ORD
-
HLN
11h 02m
1 stop
Alaska Airlines Logo
4:59 pm - 6:20 am
HLN
-
ORD
12h 21m
1 stop
$431Alaska Airlines
Wed, Jun 24 - Mon, Jun 29
Alaska Airlines Logo
6:00 am - 5:45 pm
ORD
-
HLN
12h 45m
1 stop
Alaska Airlines Logo
6:22 pm - 6:39 am
HLN
-
ORD
11h 17m
1 stop
$433Alaska Airlines
Fri, Mar 27 - Sun, Mar 29
Alaska Airlines Logo
6:00 am - 5:45 pm
ORD
-
HLN
12h 45m
1 stop
Alaska Airlines Logo
6:22 pm - 6:39 am
HLN
-
ORD
11h 17m
1 stop
$443Alaska Airlines
Fri, Mar 27 - Sun, Mar 29

Alaska Airlines flights from Chicago O'Hare Intl Airport to Helena

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Helena flight tickets
Alaska Airlines
Feb 27
ORD7:00 amChicago O'Hare Intl
9h 59m
1 stop
HLN3:59 pmHelena
Mar 2
HLN4:36 pmHelena
20h 35m
1 stop
ORD2:11 pmChicago O'Hare Intl
$326
Alaska Airlines
Mar 6
ORD3:07 pmChicago O'Hare Intl
25h 52m
2 stops
HLN3:59 pmHelena
Mar 9
HLN4:36 pmHelena
20h 37m
1 stop
ORD2:13 pmChicago O'Hare Intl
$331
Alaska Airlines
Mar 26
ORD7:24 pmChicago O'Hare Intl
23h 21m
1 stop
HLN5:45 pmHelena
Mar 29
HLN6:22 pmHelena
11h 17m
1 stop
ORD6:39 amChicago O'Hare Intl
$403

United Airlines flights from Chicago O'Hare Intl Airport to Helena

Our best United Airlines deals on Chicago O'Hare Intl Airport to Helena flight tickets
United Airlines
Apr 29
ORD2:10 pmChicago O'Hare Intl
8h 23m
1 stop
HLN9:33 pmHelena
May 2
HLN2:30 pmHelena
7h 00m
1 stop
ORD10:30 pmChicago O'Hare Intl
$289
United Airlines
Jan 29
ORD2:36 pmChicago O'Hare Intl
7h 50m
1 stop
HLN9:26 pmHelena
Feb 2
HLN2:27 pmHelena
5h 48m
1 stop
ORD9:15 pmChicago O'Hare Intl
$339
United Airlines
Apr 29
ORD9:02 amChicago O'Hare Intl
13h 31m
2 stops
HLN9:33 pmHelena
May 2
HLN2:30 pmHelena
7h 28m
1 stop
ORD10:58 pmChicago O'Hare Intl
$394

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 16, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 4/29

2:10 pm-9:33 pm

1 stop8h 23m

Helena

Sat 5/2

2:30 pm-10:30 pm

1 stop7h 00m

$289

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 2/27

7:00 am-3:59 pm

1 stop9h 59m

Helena

Mon 3/2

4:36 pm-2:11 pm

1 stop20h 35m

$326

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 3/6

3:07 pm-3:59 pm

2 stops25h 52m

Helena

Mon 3/9

4:36 pm-2:13 pm

1 stop20h 37m

$331

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 1/29

2:36 pm-9:26 pm

1 stop7h 50m

Helena

Mon 2/2

2:27 pm-9:15 pm

1 stop5h 48m

$339

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 4/29

9:02 am-9:33 pm

2 stops13h 31m

Helena

Sat 5/2

2:30 pm-10:58 pm

1 stop7h 28m

$394

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 3/26

7:24 pm-5:45 pm

1 stop23h 21m

Helena

Sun 3/29

6:22 pm-6:39 am

1 stop11h 17m

$403

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 4/29

9:02 am-9:33 pm

2 stops13h 31m

Helena

Sat 5/2

2:30 pm-10:30 pm

1 stop7h 00m

$405

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 6/24

6:20 am-4:22 pm

1 stop11h 02m

Helena

Mon 6/29

4:59 pm-6:20 am

1 stop12h 21m

$431

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 3/27

6:00 am-5:45 pm

1 stop12h 45m

Helena

Sun 3/29

6:22 pm-6:39 am

1 stop11h 17m

$433

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 3/27

6:00 am-5:45 pm

1 stop12h 45m

Helena

Sun 3/29

6:22 pm-6:39 am

1 stop11h 17m

$443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Helena from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl to Helena?

Alaska Airlines is the most popular carrier operating from Chicago O'Hare Intl 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 O'Hare Intl Airport 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 O'Hare Intl Airport to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Helena (ORD to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Helena

Fastest flight time

6h 10m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Helena takes 6h 10m
There are no direct flights from Chicago O'Hare Intl Airport to Helena. There are no popular flight routes from Chicago O'Hare Intl Airport to Helena.
Search flight deals

  • How far is Chicago O'Hare Intl to Helena by plane?

    Helena is 1229.2 mi away from Chicago O'Hare Intl. Typically, this will take 6h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Helena Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Helena Airport were last updated today.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Helena Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Helena Airport.

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

    The necessary travel and health documents for your Helena Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

It is quick and easy to find Chicago to Helena flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helena that suits you.

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

momondo does allow users to show only those flights to Helena from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Chicago to Helena flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Helena from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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