Cheap flights from Helena to Chicago from $177

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 11/12. 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
0 bags

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Cheap round-trip flights

Delta Logo
12:50 pm - 9:55 pmHLN-ORD
8h 05m1 stop
Delta Logo
7:15 am - 12:27 pmORD-HLN
6h 12m1 stop
$333Delta
Find Deal
vie., feb. 27 - lun., mar. 2
Alaska Airlines Logo
6:18 pm - 11:59 pmHLN-ORD
28h 41m1 stop
Alaska Airlines Logo
6:00 am - 5:41 pmORD-HLN
12h 41m1 stop
$336Alaska Airlines
Find Deal
mar., oct. 14 - sáb., oct. 18
Delta Logo
12:50 pm - 9:55 pmHLN-ORD
8h 05m1 stop
Delta Logo
7:30 am - 12:27 pmORD-HLN
29h 57m2 stops
$353Delta
Find Deal
vie., feb. 27 - lun., mar. 2
Hawaiian Airlines Logo
4:02 pm - 12:03 amHLN-ORD
7h 01m1 stop
Hawaiian Airlines Logo
6:00 am - 5:41 pmORD-HLN
12h 41m1 stop
$359Hawaiian Airlines
Find Deal
vie., oct. 3 - sáb., oct. 11
Alaska Airlines Logo
6:18 pm - 1:09 pmHLN-ORD
17h 51m2 stops
Alaska Airlines Logo
8:00 am - 5:36 pmORD-HLN
10h 36m1 stop
$366Alaska Airlines
Find Deal
sáb., oct. 25 - mar., oct. 28
Alaska Airlines Logo
6:18 pm - 12:24 amHLN-ORD
29h 06m1 stop
Alaska Airlines Logo
8:00 am - 5:36 pmORD-HLN
10h 36m1 stop
$367Alaska Airlines
Find Deal
sáb., oct. 25 - mar., oct. 28
Alaska Airlines Logo
6:28 pm - 11:59 pmHLN-ORD
28h 31m1 stop
Alaska Airlines Logo
6:00 am - 5:51 pmORD-HLN
12h 51m1 stop
$370Alaska Airlines
Find Deal
mié., dic. 3 - lun., dic. 8
Alaska Airlines Logo
6:13 pm - 9:40 pmHLN-ORD
26h 27m1 stop
Alaska Airlines Logo
3:25 pm - 5:36 pmORD-HLN
27h 11m1 stop
$371Alaska Airlines
Find Deal
lun., nov. 10 - vie., nov. 14
United Airlines Logo
5:18 pm - 11:59 pmHLN-ORD
5h 41m1 stop
United Airlines Logo
5:01 am - 2:09 pmORD-HLN
10h 08m1 stop
$496United Airlines
Find Deal
jue., oct. 2 - lun., oct. 6
United Airlines Logo
5:18 pm - 11:59 pmHLN-ORD
5h 41m1 stop
United Airlines Logo
8:45 am - 9:00 pmORD-HLN
13h 15m2 stops
$505United Airlines
Find Deal
jue., oct. 2 - lun., oct. 6

Alaska Airlines flights from Helena to Chicago

Our best Alaska Airlines deals on Helena to Chicago flight tickets
Alaska Airlines
Oct 14
HLN6:18 pmHelena
28h 41m
1 stop
ORD11:59 pmChicago O'Hare Intl
Oct 18
ORD6:00 amChicago O'Hare Intl
12h 41m
1 stop
HLN5:41 pmHelena
Alaska Airlines
Oct 25
HLN6:18 pmHelena
17h 51m
2 stops
ORD1:09 pmChicago O'Hare Intl
Oct 28
ORD8:00 amChicago O'Hare Intl
10h 36m
1 stop
HLN5:36 pmHelena
Alaska Airlines
Oct 25
HLN6:18 pmHelena
29h 06m
1 stop
ORD12:24 amChicago O'Hare Intl
Oct 28
ORD8:00 amChicago O'Hare Intl
10h 36m
1 stop
HLN5:36 pmHelena

United Airlines flights from Helena to Chicago

Our best United Airlines deals on Helena to Chicago flight tickets
United Airlines
Oct 2
HLN5:18 pmHelena
5h 41m
1 stop
ORD11:59 pmChicago O'Hare Intl
Oct 6
ORD5:01 amChicago O'Hare Intl
10h 08m
1 stop
HLN2:09 pmHelena
United Airlines
Oct 2
HLN5:18 pmHelena
5h 41m
1 stop
ORD11:59 pmChicago O'Hare Intl
Oct 6
ORD8:45 amChicago O'Hare Intl
13h 15m
2 stops
HLN9:00 pmHelena
United Airlines
Nov 10
HLN2:22 pmHelena
24h 59m
2 stops
ORD4:21 pmChicago O'Hare Intl
Nov 14
ORD6:12 pmChicago O'Hare Intl
20h 15m
2 stops
HLN1:27 pmHelena

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 septiembre 11, 2025.
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

HelenaChicago

HLN - ORD

HLNORD

Helena

vie. 2/27

12:50 pm-9:55 pm

1 stop8h 05m

Chicago O'Hare Intl

lun. 3/2

7:15 am-12:27 pm

1 stop6h 12m

$333

HelenaChicago

HLN - ORD

HLNORD

Helena

mar. 10/14

6:18 pm-11:59 pm

1 stop28h 41m

Chicago O'Hare Intl

sáb. 10/18

6:00 am-5:41 pm

1 stop12h 41m

$336

HelenaChicago

HLN - ORD

HLNORD

Helena

vie. 2/27

12:50 pm-9:55 pm

1 stop8h 05m

Chicago O'Hare Intl

lun. 3/2

7:30 am-12:27 pm

2 stops29h 57m

$353

HelenaChicago

HLN - ORD

HLNORD

Helena

vie. 10/3

4:02 pm-12:03 am

1 stop7h 01m

Chicago O'Hare Intl

sáb. 10/11

6:00 am-5:41 pm

1 stop12h 41m

$359

HelenaChicago

HLN - ORD

HLNORD

Helena

sáb. 10/25

6:18 pm-1:09 pm

2 stops17h 51m

Chicago O'Hare Intl

mar. 10/28

8:00 am-5:36 pm

1 stop10h 36m

$366

HelenaChicago

HLN - ORD

HLNORD

Helena

sáb. 10/25

6:18 pm-12:24 am

1 stop29h 06m

Chicago O'Hare Intl

mar. 10/28

8:00 am-5:36 pm

1 stop10h 36m

$367

HelenaChicago

HLN - ORD

HLNORD

Helena

mié. 12/3

6:28 pm-11:59 pm

1 stop28h 31m

Chicago O'Hare Intl

lun. 12/8

6:00 am-5:51 pm

1 stop12h 51m

$370

HelenaChicago

HLN - ORD

HLNORD

Helena

lun. 11/10

6:13 pm-9:40 pm

1 stop26h 27m

Chicago O'Hare Intl

vie. 11/14

3:25 pm-5:36 pm

1 stop27h 11m

$371

HelenaChicago

HLN - ORD

HLNORD

Helena

jue. 10/2

5:18 pm-11:59 pm

1 stop5h 41m

Chicago O'Hare Intl

lun. 10/6

5:01 am-2:09 pm

1 stop10h 08m

$496

HelenaChicago

HLN - ORD

HLNORD

Helena

jue. 10/2

5:18 pm-11:59 pm

1 stop5h 41m

Chicago O'Hare Intl

lun. 10/6

8:45 am-9:00 pm

2 stops13h 15m

$505

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

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 Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $680. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Helena to Chicago for around $780.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is at noon. Flights from Helena to Chicago during this time can be as low as $620. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $708.

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

Direct flights

None
There are no direct flights from Helena to Chicago. There are no popular flight routes from Helena to Chicago.
  • How far is Helena to Chicago by plane?

    There are 1245.1 mi between Helena and Chicago. 5h 41m 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 many operators does momondo search for flights from Helena Airport to Chicago?

  • 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?

Best airlines flying from Helena to Chicago

Compare and see reviews for airlines that fly from Helena to Chicago with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $314Free CancellationRating
7.9
7,960 reviews
Search Delta flights
United AirlinesPriceFrom $404Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near Chicago?

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

Why use momondo?

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

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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.

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1 adult
sáb. 10/11
sáb. 10/18

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