Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Helena?

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

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport 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 offers the lowest fares from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 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.

$359 Cheap Flights from Chicago O'Hare Intl Airport to Helena in 2026/27

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.

7:25 am - 12:30 pmORD Chicago O'Hare Intl-HLN Helena

6h 05m1 stop Salt Lake City

1:05 pm - 10:09 pmHLN Helena-ORD Chicago O'Hare Intl

8h 04m1 stop Salt Lake City

$359Delta

Wed, Dec 16 - Sat, Dec 26

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

5h 53m1 stop Salt Lake City

1:07 pm - 9:47 pmHLN Helena-ORD Chicago O'Hare Intl

7h 40m1 stop Salt Lake City

$359Delta

Thu, Nov 5 - Mon, Nov 9

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

5h 53m1 stop Salt Lake City

1:07 pm - 9:33 pmHLN Helena-ORD Chicago O'Hare Intl

7h 26m2 stops Salt Lake City Minneapolis St Paul

$364Delta

Thu, Nov 5 - Mon, Nov 9

6:00 am - 12:24 pmORD Chicago O'Hare Intl-HLN Helena

7h 24m2 stops Minneapolis St Paul Salt Lake City

5:45 am - 12:25 pmHLN Helena-ORD Chicago O'Hare Intl

5h 40m1 stop Salt Lake City

$384Delta

Wed, Jan 6 - Tue, Jan 12

6:00 am - 12:24 pmORD Chicago O'Hare Intl-HLN Helena

7h 24m2 stops Minneapolis St Paul Salt Lake City

5:45 am - 4:37 pmHLN Helena-ORD Chicago O'Hare Intl

9h 52m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$389Delta

Wed, Jan 6 - Tue, Jan 12

7:00 am - 1:52 pmORD Chicago O'Hare Intl-HLN Helena

7h 52m1 stop Denver Intl

2:27 pm - 10:42 pmHLN Helena-ORD Chicago O'Hare Intl

7h 15m1 stop Denver Intl

$427United Airlines

Wed, Dec 16 - Sat, Dec 26

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

$429Delta

Tue, Oct 27 - Sat, Oct 31

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

5h 53m1 stop Salt Lake City

7:15 am - 4:41 pmHLN Helena-ORD Chicago O'Hare Intl

8h 26m2 stops Salt Lake City Minneapolis St Paul

$434Delta

Tue, Oct 27 - Sat, Oct 31

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

$436Alaska Airlines

Sat, Jan 30 - Tue, Feb 2

7:00 am - 1:40 pmORD Chicago O'Hare Intl-HLN Helena

7h 40m1 stop Denver Intl

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

6h 07m1 stop Denver Intl

$439United Airlines

Thu, Oct 29 - Mon, Nov 2

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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

Nov 5

ORD7:35 amChicago O'Hare Intl

5h 53m

1 stop

HLN12:28 pmHelena

Nov 9

HLN1:07 pmHelena

7h 40m

1 stop

ORD9:47 pmChicago O'Hare Intl

$359

Delta

Nov 5

ORD7:35 amChicago O'Hare Intl

5h 53m

1 stop

HLN12:28 pmHelena

Nov 9

HLN1:07 pmHelena

7h 26m

2 stops

ORD9:33 pmChicago O'Hare Intl

$364

Delta

Jan 6

ORD6:00 amChicago O'Hare Intl

7h 24m

2 stops

HLN12:24 pmHelena

Jan 12

HLN5:45 amHelena

5h 40m

1 stop

ORD12:25 pmChicago O'Hare Intl

$384

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

Dec 16

ORD7:00 amChicago O'Hare Intl

7h 52m

1 stop

HLN1:52 pmHelena

Dec 26

HLN2:27 pmHelena

7h 15m

1 stop

ORD10:42 pmChicago O'Hare Intl

$427

United Airlines

Oct 29

ORD7:00 amChicago O'Hare Intl

7h 40m

1 stop

HLN1:40 pmHelena

Nov 2

HLN2:23 pmHelena

6h 07m

1 stop

ORD9:30 pmChicago O'Hare Intl

$439

United Airlines

Jan 6

ORD4:15 pmChicago O'Hare Intl

6h 17m

1 stop

HLN9:32 pmHelena

Jan 12

HLN2:27 pmHelena

6h 06m

1 stop

ORD9:33 pmChicago O'Hare Intl

$489

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 Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Wed 12/16

7:25 am-12:30 pm

1 stop6h 05m

Helena

Sat 12/26

1:05 pm-10:09 pm

1 stop8h 04m

$359

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Thu 11/5

7:35 am-12:28 pm

1 stop5h 53m

Helena

Mon 11/9

1:07 pm-9:47 pm

1 stop7h 40m

$359

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Thu 11/5

7:35 am-12:28 pm

1 stop5h 53m

Helena

Mon 11/9

1:07 pm-9:33 pm

2 stops7h 26m

$364

Quickest round-trip

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Wed 1/6

6:00 am-12:24 pm

2 stops7h 24m

Helena

Tue 1/12

5:45 am-12:25 pm

1 stop5h 40m

$384

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Wed 1/6

6:00 am-12:24 pm

2 stops7h 24m

Helena

Tue 1/12

5:45 am-4:37 pm

2 stops9h 52m

$389

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Wed 12/16

7:00 am-1:52 pm

1 stop7h 52m

Helena

Sat 12/26

2:27 pm-10:42 pm

1 stop7h 15m

$427

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Tue 10/27

7:35 am-12:28 pm

1 stop5h 53m

Helena

Sat 10/31

1:08 pm-10:05 pm

1 stop7h 57m

$429

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Tue 10/27

7:35 am-12:28 pm

1 stop5h 53m

Helena

Sat 10/31

7:15 am-4:41 pm

2 stops8h 26m

$434

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

$436

ChicagoHelena

ORD Chicago O'Hare Intl - HLN Helena

ORDHLN

Chicago O'Hare Intl

Thu 10/29

7:00 am-1:40 pm

1 stop7h 40m

Helena

Mon 11/2

2:23 pm-9:30 pm

1 stop6h 07m

$439

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Airlines

Layovers

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 49% 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

Best Price Found	$359
Fastest flight time	5h 53m
Direct flights	None

The best flight deal from Chicago O'Hare Intl Airport to Helena found on momondo in the last 72 hours is $359

The fastest flight from Chicago O'Hare Intl Airport to Helena takes 5h 53m

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 53m 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.