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Cheap flights from Helena to Chicago from $205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Chicago departing on 4/14. 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

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Find the cheapest flights from Helena to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:22 pm - 6:40 am
HLN
-
ORD
11h 18m
1 stop
Alaska Airlines Logo
6:00 am - 5:45 pm
ORD
-
HLN
12h 45m
1 stop
$349Alaska Airlines
Mon, Apr 27 - Thu, Apr 30
United Airlines Logo
2:25 pm - 10:58 pm
HLN
-
ORD
7h 33m
1 stop
United Airlines Logo
7:00 am - 1:38 pm
ORD
-
HLN
7h 38m
1 stop
$366United Airlines
Sat, Apr 25 - Sat, May 2
Delta Logo
1:02 pm - 9:34 pm
HLN
-
ORD
7h 32m
1 stop
Delta Logo
7:35 am - 12:24 pm
ORD
-
HLN
5h 49m
1 stop
$374Delta
Sat, Apr 11 - Thu, Apr 23
Delta Logo
1:02 pm - 9:34 pm
HLN
-
ORD
7h 32m
1 stop
Delta Logo
9:50 am - 10:30 pm
ORD
-
HLN
13h 40m
2 stops
$379Delta
Sat, Apr 11 - Wed, Apr 22
Delta Logo
1:02 pm - 11:54 pm
HLN
-
ORD
9h 52m
2 stops
Delta Logo
11:19 am - 10:30 pm
ORD
-
HLN
12h 11m
2 stops
$384Delta
Sat, Apr 11 - Wed, Apr 22
Alaska Airlines Logo
6:22 pm - 6:40 am
HLN
-
ORD
11h 18m
1 stop
Alaska Airlines Logo
8:00 am - 5:45 pm
ORD
-
HLN
10h 45m
1 stop
$394Alaska Airlines
Sun, Apr 26 - Thu, Apr 30
United Airlines Logo
2:25 pm - 9:20 pm
HLN
-
ORD
5h 55m
1 stop
United Airlines Logo
7:00 am - 1:39 pm
ORD
-
HLN
7h 39m
1 stop
$399United Airlines
Tue, Apr 7 - Sat, Apr 11
Alaska Airlines Logo
6:22 pm - 6:39 am
HLN
-
ORD
11h 17m
1 stop
Alaska Airlines Logo
6:00 am - 5:45 pm
ORD
-
HLN
12h 45m
1 stop
$404Alaska Airlines
Sun, Apr 12 - Wed, Apr 22
Delta Logo
12:55 pm - 9:48 pm
HLN
-
ORD
7h 53m
1 stop
Delta Logo
7:30 am - 12:23 pm
ORD
-
HLN
5h 53m
1 stop
$407Delta
Tue, Aug 4 - Fri, Aug 28
Delta Logo
1:03 pm - 9:50 pm
HLN
-
ORD
7h 47m
1 stop
Delta Logo
11:09 am - 10:33 pm
ORD
-
HLN
12h 24m
2 stops
$409Delta
Sat, May 9 - Wed, May 13

Delta flights from Helena to Chicago O'Hare Intl Airport

Our best Delta deals on Helena to Chicago O'Hare Intl Airport flight tickets
Delta
Apr 11
HLN1:02 pmHelena
7h 32m
1 stop
ORD9:34 pmChicago O'Hare Intl
Apr 23
ORD7:35 amChicago O'Hare Intl
5h 49m
1 stop
HLN12:24 pmHelena
$374
Delta
Apr 11
HLN1:02 pmHelena
7h 32m
1 stop
ORD9:34 pmChicago O'Hare Intl
Apr 22
ORD9:50 amChicago O'Hare Intl
13h 40m
2 stops
HLN10:30 pmHelena
$379
Delta
Apr 11
HLN1:02 pmHelena
9h 52m
2 stops
ORD11:54 pmChicago O'Hare Intl
Apr 22
ORD11:19 amChicago O'Hare Intl
12h 11m
2 stops
HLN10:30 pmHelena
$384

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

Our best United Airlines deals on Helena to Chicago O'Hare Intl Airport flight tickets
United Airlines
Apr 25
HLN2:25 pmHelena
7h 33m
1 stop
ORD10:58 pmChicago O'Hare Intl
May 2
ORD7:00 amChicago O'Hare Intl
7h 38m
1 stop
HLN1:38 pmHelena
$366
United Airlines
Apr 7
HLN2:25 pmHelena
5h 55m
1 stop
ORD9:20 pmChicago O'Hare Intl
Apr 11
ORD7:00 amChicago O'Hare Intl
7h 39m
1 stop
HLN1:39 pmHelena
$399
United Airlines
Apr 12
HLN2:25 pmHelena
8h 03m
1 stop
ORD11:28 pmChicago O'Hare Intl
Apr 20
ORD7:00 amChicago O'Hare Intl
7h 39m
1 stop
HLN1:39 pmHelena
$464

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Chicago O'Hare Intl Airport 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 March 28, 2026.
Use the filters below to find and compare flights from Helena to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaChicago

HLN - ORD

HLNORD

Helena

Mon 4/27

6:22 pm-6:40 am

1 stop11h 18m

Chicago O'Hare Intl

Thu 4/30

6:00 am-5:45 pm

1 stop12h 45m

$349

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 4/25

2:25 pm-10:58 pm

1 stop7h 33m

Chicago O'Hare Intl

Sat 5/2

7:00 am-1:38 pm

1 stop7h 38m

$366
Quickest round-trip

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 4/11

1:02 pm-9:34 pm

1 stop7h 32m

Chicago O'Hare Intl

Thu 4/23

7:35 am-12:24 pm

1 stop5h 49m

$374

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 4/11

1:02 pm-9:34 pm

1 stop7h 32m

Chicago O'Hare Intl

Wed 4/22

9:50 am-10:30 pm

2 stops13h 40m

$379

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 4/11

1:02 pm-11:54 pm

2 stops9h 52m

Chicago O'Hare Intl

Wed 4/22

11:19 am-10:30 pm

2 stops12h 11m

$384

HelenaChicago

HLN - ORD

HLNORD

Helena

Sun 4/26

6:22 pm-6:40 am

1 stop11h 18m

Chicago O'Hare Intl

Thu 4/30

8:00 am-5:45 pm

1 stop10h 45m

$394

HelenaChicago

HLN - ORD

HLNORD

Helena

Tue 4/7

2:25 pm-9:20 pm

1 stop5h 55m

Chicago O'Hare Intl

Sat 4/11

7:00 am-1:39 pm

1 stop7h 39m

$399

HelenaChicago

HLN - ORD

HLNORD

Helena

Sun 4/12

6:22 pm-6:39 am

1 stop11h 17m

Chicago O'Hare Intl

Wed 4/22

6:00 am-5:45 pm

1 stop12h 45m

$404

HelenaChicago

HLN - ORD

HLNORD

Helena

Tue 8/4

12:55 pm-9:48 pm

1 stop7h 53m

Chicago O'Hare Intl

Fri 8/28

7:30 am-12:23 pm

1 stop5h 53m

$407

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 5/9

1:03 pm-9:50 pm

1 stop7h 47m

Chicago O'Hare Intl

Wed 5/13

11:09 am-10:33 pm

2 stops12h 24m

$409

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 Chicago from

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

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 Helena to Chicago O'Hare Intl?

United Airlines and Delta are the most popular carriers operating from Helena to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Helena according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Chicago O'Hare Intl Airport

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

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

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

Fastest flight time

7h 29m

Direct flights

None
The fastest flight from Helena to Chicago O'Hare Intl Airport takes 7h 29m
There are no direct flights from Helena to Chicago O'Hare Intl Airport. There are no popular flight routes from Helena to Chicago O'Hare Intl Airport.
Search flight deals

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

    A flight from Helena to Chicago O'Hare Intl will travel around 1229.2 mi. 7h 29m is a normal flight duration for this route.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
New Buffalo
Orland Park
Kenosha
Oak Brook
Joliet
Janesville
Racine
Hammond
Aurora
Elgin
Tinley Park
South Holland

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Chicago?

Finding the right flight to Chicago from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Helena to Chicago flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Helena and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Chicago from Helena are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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