Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Helena from $283

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 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
3:56 pm - 9:30 pm
ORD
-
HLN
6h 34m
1 stop
United Airlines Logo
2:26 pm - 11:59 pm
HLN
-
ORD
8h 33m
1 stop
$339United Airlines
Sat, Sep 12 - Fri, Sep 18
United Airlines Logo
3:56 pm - 9:30 pm
ORD
-
HLN
6h 34m
1 stop
United Airlines Logo
2:35 pm - 10:46 pm
HLN
-
ORD
7h 11m
1 stop
$339United Airlines
Fri, Aug 28 - Sun, Aug 30
Delta Logo
7:35 am - 12:28 pm
ORD
-
HLN
5h 53m
1 stop
Delta Logo
1:08 pm - 10:00 pm
HLN
-
ORD
7h 52m
1 stop
$339Delta
Thu, Oct 15 - Sun, Oct 18
Delta Logo
7:30 am - 12:24 pm
ORD
-
HLN
5h 54m
1 stop
Delta Logo
12:50 pm - 9:53 pm
HLN
-
ORD
8h 03m
1 stop
$339Delta
Sun, Jan 17 - Sun, Jan 24
Delta Logo
7:48 am - 12:15 pm
ORD
-
HLN
5h 27m
1 stop
Delta Logo
12:55 pm - 9:33 pm
HLN
-
ORD
7h 38m
1 stop
$339Delta
Tue, Aug 25 - Tue, Sep 1
Delta Logo
6:00 am - 12:15 pm
ORD
-
HLN
7h 15m
2 stops
Delta Logo
5:40 am - 11:59 am
HLN
-
ORD
5h 19m
1 stop
$344Delta
Sun, Aug 30 - Sun, Sep 6
Delta Logo
7:30 am - 12:24 pm
ORD
-
HLN
5h 54m
1 stop
Delta Logo
12:50 pm - 11:50 pm
HLN
-
ORD
10h 00m
2 stops
$344Delta
Sun, Jan 17 - Sun, Jan 24
Delta Logo
6:00 am - 12:15 pm
ORD
-
HLN
7h 15m
2 stops
Delta Logo
12:55 pm - 9:33 pm
HLN
-
ORD
7h 38m
1 stop
$344Delta
Tue, Aug 25 - Tue, Sep 1
Delta Logo
10:33 am - 10:30 pm
ORD
-
HLN
12h 57m
2 stops
Delta Logo
12:55 pm - 11:57 pm
HLN
-
ORD
10h 02m
2 stops
$349Delta
Tue, Aug 25 - Tue, Sep 1
Delta Logo
6:00 am - 12:15 pm
ORD
-
HLN
7h 15m
2 stops
Delta Logo
5:40 am - 4:17 pm
HLN
-
ORD
9h 37m
2 stops
$349Delta
Tue, Aug 25 - Tue, Sep 1

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
Jan 9
ORD8:00 amChicago O'Hare Intl
8h 31m
1 stop
HLN3:31 pmHelena
Jan 12
HLN4:08 pmHelena
6h 51m
1 stop
ORD11:59 pmChicago O'Hare Intl
$409
Alaska Airlines
Sep 15
ORD7:00 pmChicago O'Hare Intl
22h 41m
1 stop
HLN4:41 pmHelena
Sep 21
HLN5:18 pmHelena
12h 02m
1 stop
ORD6:20 amChicago O'Hare Intl
$419
Alaska Airlines
Sep 18
ORD1:03 pmChicago O'Hare Intl
28h 38m
1 stop
HLN4:41 pmHelena
Sep 25
HLN5:18 pmHelena
12h 02m
1 stop
ORD6:20 amChicago O'Hare Intl
$444

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
Aug 22
ORD4:20 pmChicago O'Hare Intl
6h 10m
1 stop
HLN9:30 pmHelena
Aug 27
HLN2:35 pmHelena
6h 25m
1 stop
ORD10:00 pmChicago O'Hare Intl
$449
United Airlines
Aug 21
ORD4:20 pmChicago O'Hare Intl
6h 10m
1 stop
HLN9:30 pmHelena
Aug 29
HLN6:15 amHelena
7h 45m
1 stop
ORD3:00 pmChicago O'Hare Intl
$464
United Airlines
Aug 21
ORD3:56 pmChicago O'Hare Intl
6h 34m
1 stop
HLN9:30 pmHelena
Aug 23
HLN2:35 pmHelena
7h 11m
1 stop
ORD10:46 pmChicago O'Hare Intl
$467

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 August 2, 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

Cheapest round-trip

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 9/12

3:56 pm-9:30 pm

1 stop6h 34m

Helena

Fri 9/18

2:26 pm-11:59 pm

1 stop8h 33m

$339

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 8/28

3:56 pm-9:30 pm

1 stop6h 34m

Helena

Sun 8/30

2:35 pm-10:46 pm

1 stop7h 11m

$339

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 10/15

7:35 am-12:28 pm

1 stop5h 53m

Helena

Sun 10/18

1:08 pm-10:00 pm

1 stop7h 52m

$339

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sun 1/17

7:30 am-12:24 pm

1 stop5h 54m

Helena

Sun 1/24

12:50 pm-9:53 pm

1 stop8h 03m

$339

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 8/25

7:48 am-12:15 pm

1 stop5h 27m

Helena

Tue 9/1

12:55 pm-9:33 pm

1 stop7h 38m

$339
Quickest round-trip

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sun 8/30

6:00 am-12:15 pm

2 stops7h 15m

Helena

Sun 9/6

5:40 am-11:59 am

1 stop5h 19m

$344

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sun 1/17

7:30 am-12:24 pm

1 stop5h 54m

Helena

Sun 1/24

12:50 pm-11:50 pm

2 stops10h 00m

$344

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 8/25

6:00 am-12:15 pm

2 stops7h 15m

Helena

Tue 9/1

12:55 pm-9:33 pm

1 stop7h 38m

$344

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 8/25

10:33 am-10:30 pm

2 stops12h 57m

Helena

Tue 9/1

12:55 pm-11:57 pm

2 stops10h 02m

$349

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Tue 8/25

6:00 am-12:15 pm

2 stops7h 15m

Helena

Tue 9/1

5:40 am-4:17 pm

2 stops9h 37m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 4 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

5h 27m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Helena takes 5h 27m
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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Helena

  • 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 5h 27m 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 many operators does momondo search for flights from Chicago O'Hare Intl Airport to Helena Airport?

  • 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.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Helena?

Best airlines flying from Chicago O'Hare Intl Airport to Helena

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Helena with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,061 reviews
Search United Airlines flights

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.

An easier way to manage your Helena trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/1
Tue 9/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States