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.

$329 Cheap Flights from Chicago O'Hare Intl Airport to Helena in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport to Helena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 am - 12:23 pm

ORD

HLN

5h 53m

1 stop

12:50 pm - 9:58 pm

HLN

ORD

8h 08m

1 stop

$329Delta

Wed, Sep 16 - Wed, Sep 23

3:55 pm - 10:39 pm

ORD

HLN

7h 44m

2 stops

5:40 am - 11:59 am

HLN

ORD

5h 19m

1 stop

$359Delta

Thu, Jul 9 - Tue, Jul 14

2:20 pm - 9:46 pm

ORD

HLN

8h 26m

1 stop

2:30 pm - 11:56 pm

HLN

ORD

8h 26m

1 stop

$399United Airlines

Sat, May 16 - Wed, May 20

2:07 pm - 10:31 pm

ORD

HLN

9h 24m

2 stops

5:35 am - 5:02 pm

HLN

ORD

10h 27m

2 stops

$404Delta

Thu, Jun 18 - Tue, Jun 23

2:33 pm - 9:16 pm

ORD

HLN

7h 43m

1 stop

2:29 pm - 9:42 pm

HLN

ORD

6h 13m

1 stop

$419United Airlines

Sat, Aug 29 - Wed, Sep 2

9:00 am - 4:41 pm

ORD

HLN

8h 41m

1 stop

5:18 pm - 7:45 pm

HLN

ORD

25h 27m

2 stops

$450Alaska Airlines

Wed, Sep 16 - Wed, Sep 23

7:45 am - 12:20 pm

ORD

HLN

5h 35m

1 stop

12:55 pm - 9:48 pm

HLN

ORD

7h 53m

1 stop

$454Delta

Fri, Jul 3 - Mon, Jul 13

5:00 pm - 10:31 pm

ORD

HLN

6h 31m

1 stop

12:55 pm - 9:48 pm

HLN

ORD

7h 53m

1 stop

$459Delta

Sat, Jul 4 - Thu, Jul 9

5:44 pm - 4:06 pm

ORD

HLN

23h 22m

1 stop

4:43 pm - 6:20 am

HLN

ORD

12h 37m

1 stop

$464Alaska Airlines

Fri, May 15 - Tue, May 19

2:07 pm - 10:39 pm

ORD

HLN

9h 32m

2 stops

12:55 pm - 9:48 pm

HLN

ORD

7h 53m

1 stop

$469Delta

Fri, Jul 17 - Tue, Jul 21

Delta flights from Chicago O'Hare Intl Airport to Helena

Our best Delta deals on Chicago O'Hare Intl Airport to Helena flight tickets

Delta

Sep 16

ORD7:30 amChicago O'Hare Intl

5h 53m

1 stop

HLN12:23 pmHelena

Sep 23

HLN12:50 pmHelena

8h 08m

1 stop

ORD9:58 pmChicago O'Hare Intl

$329

Delta

Jul 9

ORD3:55 pmChicago O'Hare Intl

7h 44m

2 stops

HLN10:39 pmHelena

Jul 14

HLN5:40 amHelena

5h 19m

1 stop

ORD11:59 amChicago O'Hare Intl

$359

Delta

Jun 18

ORD2:07 pmChicago O'Hare Intl

9h 24m

2 stops

HLN10:31 pmHelena

Jun 23

HLN5:35 amHelena

10h 27m

2 stops

ORD5:02 pmChicago O'Hare Intl

$404

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

May 16

ORD2:20 pmChicago O'Hare Intl

8h 26m

1 stop

HLN9:46 pmHelena

May 20

HLN2:30 pmHelena

8h 26m

1 stop

ORD11:56 pmChicago O'Hare Intl

$399

United Airlines

Aug 29

ORD2:33 pmChicago O'Hare Intl

7h 43m

1 stop

HLN9:16 pmHelena

Sep 2

HLN2:29 pmHelena

6h 13m

1 stop

ORD9:42 pmChicago O'Hare Intl

$419

United Airlines

Aug 5

ORD7:05 amChicago O'Hare Intl

7h 28m

1 stop

HLN1:33 pmHelena

Aug 8

HLN2:20 pmHelena

7h 29m

1 stop

ORD10:49 pmChicago O'Hare Intl

$518

momondo Fare Finder

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

Wed 9/16

7:30 am-12:23 pm

1 stop5h 53m

Helena

Wed 9/23

12:50 pm-9:58 pm

1 stop8h 08m

$329

Quickest round-trip

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 7/9

3:55 pm-10:39 pm

2 stops7h 44m

Helena

Tue 7/14

5:40 am-11:59 am

1 stop5h 19m

$359

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 5/16

2:20 pm-9:46 pm

1 stop8h 26m

Helena

Wed 5/20

2:30 pm-11:56 pm

1 stop8h 26m

$399

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Thu 6/18

2:07 pm-10:31 pm

2 stops9h 24m

Helena

Tue 6/23

5:35 am-5:02 pm

2 stops10h 27m

$404

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 8/29

2:33 pm-9:16 pm

1 stop7h 43m

Helena

Wed 9/2

2:29 pm-9:42 pm

1 stop6h 13m

$419

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Wed 9/16

9:00 am-4:41 pm

1 stop8h 41m

Helena

Wed 9/23

5:18 pm-7:45 pm

2 stops25h 27m

$450

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 7/3

7:45 am-12:20 pm

1 stop5h 35m

Helena

Mon 7/13

12:55 pm-9:48 pm

1 stop7h 53m

$454

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Sat 7/4

5:00 pm-10:31 pm

1 stop6h 31m

Helena

Thu 7/9

12:55 pm-9:48 pm

1 stop7h 53m

$459

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 5/15

5:44 pm-4:06 pm

1 stop23h 22m

Helena

Tue 5/19

4:43 pm-6:20 am

1 stop12h 37m

$464

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

Fri 7/17

2:07 pm-10:39 pm

2 stops9h 32m

Helena

Tue 7/21

12:55 pm-9:48 pm

1 stop7h 53m

$469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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 and Alaska Airlines are the most popular carriers 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 56% 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 35m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Helena takes 5h 35m

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 35m 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.