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Cheap flights from Chicago O'Hare Intl Airport to Helena from $317

This is the cheapest round-trip 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 10/28. 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

Hawaiian Airlines Logo
8:00 am - 5:36 pmORD-HLN
10h 36m1 stop
Hawaiian Airlines Logo
6:13 pm - 6:22 amHLN-ORD
11h 09m1 stop
$317Hawaiian Airlines
Find Deal
mar., oct. 28 - vie., oct. 31
Delta Logo
7:50 am - 12:20 pmORD-HLN
5h 30m1 stop
Delta Logo
1:00 pm - 5:18 pmHLN-ORD
27h 18m2 stops
$353Delta
Find Deal
mar., oct. 28 - vie., oct. 31
Delta Logo
6:05 pm - 12:20 pmORD-HLN
19h 15m2 stops
Delta Logo
1:00 pm - 5:18 pmHLN-ORD
27h 18m2 stops
$355Delta
Find Deal
mar., oct. 28 - vie., oct. 31
Delta Logo
7:20 am - 12:26 pmORD-HLN
6h 06m1 stop
Delta Logo
5:30 am - 12:41 pmHLN-ORD
6h 11m1 stop
$381Delta
Find Deal
dom., dic. 14 - mié., dic. 17
Alaska Airlines Logo
6:00 am - 5:41 pmORD-HLN
12h 41m1 stop
Alaska Airlines Logo
6:18 pm - 11:59 pmHLN-ORD
28h 41m1 stop
$424Alaska Airlines
Find Deal
sáb., oct. 4 - vie., oct. 17
Alaska Airlines Logo
8:00 am - 5:36 pmORD-HLN
10h 36m1 stop
Alaska Airlines Logo
6:13 pm - 7:55 pmHLN-ORD
24h 42m2 stops
$431Alaska Airlines
Find Deal
mié., oct. 29 - mié., nov. 5
United Airlines Logo
1:51 pm - 9:22 pmORD-HLN
8h 31m1 stop
United Airlines Logo
6:30 am - 2:55 pmHLN-ORD
7h 25m1 stop
$461United Airlines
Find Deal
dom., dic. 14 - mié., dic. 17
Alaska Airlines Logo
6:00 am - 5:41 pmORD-HLN
12h 41m1 stop
Alaska Airlines Logo
6:13 pm - 6:22 amHLN-ORD
11h 09m1 stop
$469Alaska Airlines
Find Deal
mié., oct. 22 - dom., oct. 26
Alaska Airlines Logo
2:54 pm - 5:36 pmORD-HLN
27h 42m2 stops
Alaska Airlines Logo
6:13 pm - 11:59 pmHLN-ORD
28h 46m2 stops
$477Alaska Airlines
Find Deal
mié., oct. 29 - mié., nov. 5
United Airlines Logo
8:49 am - 2:09 pmORD-HLN
6h 20m1 stop
United Airlines Logo
5:18 pm - 11:59 pmHLN-ORD
5h 41m1 stop
$529United Airlines
Find Deal
jue., oct. 9 - dom., oct. 12

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
Oct 4
ORD6:00 amChicago O'Hare Intl
12h 41m
1 stop
HLN5:41 pmHelena
Oct 17
HLN6:18 pmHelena
28h 41m
1 stop
ORD11:59 pmChicago O'Hare Intl
$424
Find similar
Alaska Airlines
Oct 29
ORD8:00 amChicago O'Hare Intl
10h 36m
1 stop
HLN5:36 pmHelena
Nov 5
HLN6:13 pmHelena
24h 42m
2 stops
ORD7:55 pmChicago O'Hare Intl
$431
Find similar
Alaska Airlines
Oct 22
ORD6:00 amChicago O'Hare Intl
12h 41m
1 stop
HLN5:41 pmHelena
Oct 26
HLN6:13 pmHelena
11h 09m
1 stop
ORD6:22 amChicago O'Hare Intl
$469
Find similar

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 14
ORD1:51 pmChicago O'Hare Intl
8h 31m
1 stop
HLN9:22 pmHelena
Dec 17
HLN6:30 amHelena
7h 25m
1 stop
ORD2:55 pmChicago O'Hare Intl
$461
Find similar
United Airlines
Oct 9
ORD8:49 amChicago O'Hare Intl
6h 20m
1 stop
HLN2:09 pmHelena
Oct 12
HLN5:18 pmHelena
5h 41m
1 stop
ORD11:59 pmChicago O'Hare Intl
$529
Find similar
United Airlines
Dec 14
ORD7:15 amChicago O'Hare Intl
15h 07m
2 stops
HLN9:22 pmHelena
Dec 17
HLN2:30 pmHelena
8h 29m
1 stop
ORD11:59 pmChicago O'Hare Intl
$539
Find similar

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 septiembre 15, 2025.
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

mar. 10/28

8:00 am-5:36 pm

1 stop10h 36m

Helena

vie. 10/31

6:13 pm-6:22 am

1 stop11h 09m

$317

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

mar. 10/28

7:50 am-12:20 pm

1 stop5h 30m

Helena

vie. 10/31

1:00 pm-5:18 pm

2 stops27h 18m

$353

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

mar. 10/28

6:05 pm-12:20 pm

2 stops19h 15m

Helena

vie. 10/31

1:00 pm-5:18 pm

2 stops27h 18m

$355

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

dom. 12/14

7:20 am-12:26 pm

1 stop6h 06m

Helena

mié. 12/17

5:30 am-12:41 pm

1 stop6h 11m

$381

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

sáb. 10/4

6:00 am-5:41 pm

1 stop12h 41m

Helena

vie. 10/17

6:18 pm-11:59 pm

1 stop28h 41m

$424

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

mié. 10/29

8:00 am-5:36 pm

1 stop10h 36m

Helena

mié. 11/5

6:13 pm-7:55 pm

2 stops24h 42m

$431

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

dom. 12/14

1:51 pm-9:22 pm

1 stop8h 31m

Helena

mié. 12/17

6:30 am-2:55 pm

1 stop7h 25m

$461

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

mié. 10/22

6:00 am-5:41 pm

1 stop12h 41m

Helena

dom. 10/26

6:13 pm-6:22 am

1 stop11h 09m

$469

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

mié. 10/29

2:54 pm-5:36 pm

2 stops27h 42m

Helena

mié. 11/5

6:13 pm-11:59 pm

2 stops28h 46m

$477

ChicagoHelena

ORD - HLN

ORDHLN

Chicago O'Hare Intl

jue. 10/9

8:49 am-2:09 pm

1 stop6h 20m

Helena

dom. 10/12

5:18 pm-11:59 pm

1 stop5h 41m

$529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 day to depart on your flight to Helena?

The cheapest day to depart from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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.

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

Direct flights

None
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 5h 30m 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
8,929 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.

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mié. 10/15
mié. 10/22
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