Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Helena to Chicago from $302

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
4:45 pm - 10:30 pm
ORD
-
HLN
6h 45m
1 stop
$329Delta
Fri, Aug 7 - Sat, Aug 15
United Airlines Logo
2:35 pm - 10:46 pm
HLN
-
ORD
7h 11m
1 stop
United Airlines Logo
4:20 pm - 9:30 pm
ORD
-
HLN
6h 10m
1 stop
$419United Airlines
Sat, Aug 22 - Thu, Aug 27
United Airlines Logo
2:20 pm - 10:49 pm
HLN
-
ORD
7h 29m
1 stop
United Airlines Logo
2:33 pm - 9:20 pm
ORD
-
HLN
7h 47m
1 stop
$424United Airlines
Tue, Jul 28 - Wed, Aug 5
Delta Logo
12:55 pm - 9:33 pm
HLN
-
ORD
7h 38m
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
2:35 pm - 11:59 pm
HLN
-
ORD
8h 24m
1 stop
United Airlines Logo
4:20 pm - 9:30 pm
ORD
-
HLN
6h 10m
1 stop
$432United Airlines
Sat, Aug 15 - Fri, Aug 21
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
$436Alaska Airlines
Sat, Nov 14 - Tue, Nov 17
Alaska Airlines Logo
5:32 pm - 1:22 pm
HLN
-
ORD
18h 50m
2 stops
Alaska Airlines Logo
6:00 am - 4:34 pm
ORD
-
HLN
11h 34m
1 stop
$442Alaska Airlines
Sat, Aug 22 - Thu, Aug 27
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
$444Alaska Airlines
Thu, Nov 5 - Sun, Nov 8
Alaska Airlines Logo
5:09 pm - 8:28 pm
HLN
-
ORD
26h 19m
2 stops
Alaska Airlines Logo
8:02 am - 4:32 pm
ORD
-
HLN
9h 30m
1 stop
$469Alaska Airlines
Wed, Aug 12 - Tue, Aug 18
United Airlines Logo
2:35 pm - 10:00 pm
HLN
-
ORD
6h 25m
1 stop
United Airlines Logo
3:56 pm - 9:30 pm
ORD
-
HLN
6h 34m
1 stop
$479United Airlines
Fri, Aug 14 - Mon, Aug 24

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Helena to Chicago

Our best United Airlines deals on Helena to Chicago flight tickets
United Airlines
Aug 22
HLN2:35 pmHelena
7h 11m
1 stop
ORD10:46 pmChicago O'Hare Intl
Aug 27
ORD4:20 pmChicago O'Hare Intl
6h 10m
1 stop
HLN9:30 pmHelena
$419
United Airlines
Jul 28
HLN2:20 pmHelena
7h 29m
1 stop
ORD10:49 pmChicago O'Hare Intl
Aug 5
ORD2:33 pmChicago O'Hare Intl
7h 47m
1 stop
HLN9:20 pmHelena
$424
United Airlines
Aug 15
HLN2:35 pmHelena
8h 24m
1 stop
ORD11:59 pmChicago O'Hare Intl
Aug 21
ORD4:20 pmChicago O'Hare Intl
6h 10m
1 stop
HLN9:30 pmHelena
$432

Delta flights from Helena to Chicago

Our best Delta deals on Helena to Chicago flight tickets
Delta
Aug 7
HLN5:40 amHelena
5h 19m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 15
ORD4:45 pmChicago O'Hare Intl
6h 45m
1 stop
HLN10:30 pmHelena
$329
Delta
Aug 14
HLN12:55 pmHelena
7h 38m
1 stop
ORD9:33 pmChicago O'Hare Intl
Aug 24
ORD7:48 amChicago O'Hare Intl
5h 27m
1 stop
HLN12:15 pmHelena
$429
Delta
Aug 7
HLN5:40 amHelena
5h 19m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 15
ORD11:22 amChicago O'Hare Intl
12h 08m
2 stops
HLN10:30 pmHelena
$509

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Chicago 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 July 18, 2026.
Use the filters below to find and compare flights from Helena to Chicago 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 8/7

5:40 am-11:59 am

1 stop5h 19m

Chicago O'Hare Intl

Sat 8/15

4:45 pm-10:30 pm

1 stop6h 45m

$329

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 8/22

2:35 pm-10:46 pm

1 stop7h 11m

Chicago O'Hare Intl

Thu 8/27

4:20 pm-9:30 pm

1 stop6h 10m

$419

HelenaChicago

HLN - ORD

HLNORD

Helena

Tue 7/28

2:20 pm-10:49 pm

1 stop7h 29m

Chicago O'Hare Intl

Wed 8/5

2:33 pm-9:20 pm

1 stop7h 47m

$424

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 8/14

12:55 pm-9:33 pm

1 stop7h 38m

Chicago O'Hare Intl

Mon 8/24

7:48 am-12:15 pm

1 stop5h 27m

$429

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 8/15

2:35 pm-11:59 pm

1 stop8h 24m

Chicago O'Hare Intl

Fri 8/21

4:20 pm-9:30 pm

1 stop6h 10m

$432

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

$436

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 8/22

5:32 pm-1:22 pm

2 stops18h 50m

Chicago O'Hare Intl

Thu 8/27

6:00 am-4:34 pm

1 stop11h 34m

$442

HelenaChicago

HLN - ORD

HLNORD

Helena

Thu 11/5

4:41 pm-5:40 am

1 stop11h 59m

Chicago O'Hare Intl

Sun 11/8

7:00 am-4:04 pm

1 stop10h 04m

$444

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 8/12

5:09 pm-8:28 pm

2 stops26h 19m

Chicago O'Hare Intl

Tue 8/18

8:02 am-4:32 pm

1 stop9h 30m

$469

HelenaChicago

HLN - ORD

HLNORD

Helena

Fri 8/14

2:35 pm-10:00 pm

1 stop6h 25m

Chicago O'Hare Intl

Mon 8/24

3:56 pm-9:30 pm

1 stop6h 34m

$479

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

How to get the cheapest flight ticket from Helena to Chicago

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?

Alaska Airlines and Delta are the most popular carriers operating from Helena to Chicago

What airlines fly to Chicago?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Chicago 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. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Chicago

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

Cheap Helena to Chicago (HLN to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Chicago

Fastest flight time

7h 34m

Direct flights

None
The fastest flight from Helena to Chicago takes 7h 34m
There are no direct flights from Helena to Chicago. There are no popular flight routes from Helena to Chicago.
Search flight deals

Frequently asked questions about flying from Helena to Chicago

  • How far is Helena to Chicago by plane?

    There are 1245.1 mi between Helena and Chicago. 7h 34m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Helena Airport to Chicago?

    Prices for flights from Helena Airport to Chicago are refreshed on a daily basis.

  • How old do you have to be to fly from Helena Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Helena to Chicago?

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Saint Joseph
Lansing
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helena to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Helena to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helena to Chicago.

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.

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/17
Mon 8/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport