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Cheap flights from Helena to Chicago from $226

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 8/14. 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

Find the cheapest flights from Helena to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:40 am - 11:59 am
HLN
-
ORD
5h 19m
1 stop
Delta Logo
7:48 am - 12:15 pm
ORD
-
HLN
5h 27m
1 stop
$329Delta
Fri, Aug 14 - Mon, Aug 24
Delta Logo
12:50 pm - 9:53 pm
HLN
-
ORD
8h 03m
1 stop
Delta Logo
11:30 am - 10:41 pm
ORD
-
HLN
12h 11m
2 stops
$334Delta
Fri, Nov 13 - Sun, Nov 15
Delta Logo
5:45 am - 4:49 pm
HLN
-
ORD
10h 04m
2 stops
Delta Logo
11:30 am - 10:41 pm
ORD
-
HLN
12h 11m
2 stops
$339Delta
Fri, Nov 13 - Sun, Nov 15
Delta Logo
5:40 am - 11:59 am
HLN
-
ORD
5h 19m
1 stop
Delta Logo
7:48 am - 12:15 pm
ORD
-
HLN
5h 27m
1 stop
$364Delta
Fri, Aug 14 - Mon, Aug 24
Delta Logo
12:55 pm - 9:30 pm
HLN
-
ORD
7h 35m
1 stop
Delta Logo
1:59 pm - 10:30 pm
ORD
-
HLN
9h 31m
2 stops
$369Delta
Fri, Aug 14 - Mon, Aug 24
Delta Logo
12:57 pm - 9:52 pm
HLN
-
ORD
7h 55m
1 stop
Delta Logo
7:45 am - 12:17 pm
ORD
-
HLN
5h 32m
1 stop
$394Delta
Wed, Sep 23 - Tue, Sep 29
Delta Logo
12:55 pm - 9:30 pm
HLN
-
ORD
7h 35m
1 stop
Delta Logo
1:59 pm - 10:30 pm
ORD
-
HLN
9h 31m
2 stops
$399Delta
Fri, Aug 14 - Mon, Aug 24
Alaska Airlines Logo
4:41 pm - 5:40 am
HLN
-
ORD
11h 59m
1 stop
Alaska Airlines Logo
7:00 am - 4:04 pm
ORD
-
HLN
10h 04m
1 stop
$426Alaska Airlines
Sat, Nov 14 - Tue, Nov 17
Delta Logo
5:40 am - 11:59 am
HLN
-
ORD
5h 19m
1 stop
Delta Logo
7:48 am - 12:15 pm
ORD
-
HLN
5h 27m
1 stop
$429Delta
Fri, Aug 14 - Mon, Aug 24
United Airlines Logo
2:20 pm - 10:49 pm
HLN
-
ORD
7h 29m
1 stop
United Airlines Logo
6:00 am - 1:33 pm
ORD
-
HLN
8h 33m
1 stop
$431United Airlines
Tue, Jul 21 - Sat, Jul 25

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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
Aug 14
HLN5:40 amHelena
5h 19m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 24
ORD7:48 amChicago O'Hare Intl
5h 27m
1 stop
HLN12:15 pmHelena
$329
Delta
Nov 13
HLN12:50 pmHelena
8h 03m
1 stop
ORD9:53 pmChicago O'Hare Intl
Nov 15
ORD11:30 amChicago O'Hare Intl
12h 11m
2 stops
HLN10:41 pmHelena
$334
Delta
Nov 13
HLN5:45 amHelena
10h 04m
2 stops
ORD4:49 pmChicago O'Hare Intl
Nov 15
ORD11:30 amChicago O'Hare Intl
12h 11m
2 stops
HLN10:41 pmHelena
$339

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

Our best Alaska Airlines deals on Helena to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Nov 13
HLN4:41 pmHelena
11h 59m
1 stop
ORD5:40 amChicago O'Hare Intl
Nov 15
ORD7:00 amChicago O'Hare Intl
10h 04m
1 stop
HLN4:04 pmHelena
$364
Alaska Airlines
Sep 17
HLN5:18 pmHelena
25h 57m
2 stops
ORD8:15 pmChicago O'Hare Intl
Sep 20
ORD8:00 amChicago O'Hare Intl
9h 41m
1 stop
HLN4:41 pmHelena
$460
Alaska Airlines
Oct 3
HLN4:48 pmHelena
12h 32m
1 stop
ORD6:20 amChicago O'Hare Intl
Oct 7
ORD9:00 amChicago O'Hare Intl
8h 11m
1 stop
HLN4:11 pmHelena
$496

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 June 30, 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
Quickest round-trip

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 8/14

5:40 am-11:59 am

1 stop5h 19m

Chicago O'Hare Intl

Mon 8/24

7:48 am-12:15 pm

1 stop5h 27m

$329

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 11/13

12:50 pm-9:53 pm

1 stop8h 03m

Chicago O'Hare Intl

Sun 11/15

11:30 am-10:41 pm

2 stops12h 11m

$334

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 11/13

5:45 am-4:49 pm

2 stops10h 04m

Chicago O'Hare Intl

Sun 11/15

11:30 am-10:41 pm

2 stops12h 11m

$339

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 8/14

5:40 am-11:59 am

1 stop5h 19m

Chicago O'Hare Intl

Mon 8/24

7:48 am-12:15 pm

1 stop5h 27m

$364

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 8/14

12:55 pm-9:30 pm

1 stop7h 35m

Chicago O'Hare Intl

Mon 8/24

1:59 pm-10:30 pm

2 stops9h 31m

$369

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 9/23

12:57 pm-9:52 pm

1 stop7h 55m

Chicago O'Hare Intl

Tue 9/29

7:45 am-12:17 pm

1 stop5h 32m

$394

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 8/14

12:55 pm-9:30 pm

1 stop7h 35m

Chicago O'Hare Intl

Mon 8/24

1:59 pm-10:30 pm

2 stops9h 31m

$399

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 11/14

4:41 pm-5:40 am

1 stop11h 59m

Chicago O'Hare Intl

Tue 11/17

7:00 am-4:04 pm

1 stop10h 04m

$426

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 8/14

5:40 am-11:59 am

1 stop5h 19m

Chicago O'Hare Intl

Mon 8/24

7:48 am-12:15 pm

1 stop5h 27m

$429

HelenaChicago

HLN - ORD

HLNORD

Helena

Tue 7/21

2:20 pm-10:49 pm

1 stop7h 29m

Chicago O'Hare Intl

Sat 7/25

6:00 am-1:33 pm

1 stop8h 33m

$431

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?

Alaska Airlines is the most popular carrier operating from Helena to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Delta 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 55% 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

5h 19m

Direct flights

None
The fastest flight from Helena to Chicago O'Hare Intl Airport takes 5h 19m
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

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

  • 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. 5h 19m 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
Orland Park
Oak Brook
New Buffalo
Joliet
Kenosha
Hammond
Aurora
Racine
Janesville
Elgin
Evanston
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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