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O'Hare Intl

$178+ Cheap flights from Helena (HLN) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — ORD
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheap flight deals from Helena to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$333
(Delta)

One-way from

$178
(United Airlines)

Popular in

June

Cheapest in

September
Provider with most accurate pricing for Helena-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Helena-Chicago O'Hare Intl flights.
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From Helena to Chicago O'Hare Intl
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One-way flight from Helena to Chicago O'Hare Intl
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Highest demand for flights based on searches. 35% potential increase in price ($247 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($48 potential savings vs. average RT price).
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Find flight deals from Helena to O'Hare Intl

Cheapest flights from Helena to O'Hare Intl
Explore the most affordable flight options available from Helena to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:06 pmHLN - ORD
1 stop7h 15mDelta
Tue 12/97:20 amORD - HLN
1 stop6h 05mDelta
Deal found 11/18$362
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:06 pmHLN - ORD
1 stop7h 15mDelta
Tue 12/91:20 pmORD - HLN
2 stops10h 10mDelta
Deal found 11/20$454
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:30 pmHLN - ORD
1 stop8h 29mUnited Airlines
Thu 12/257:10 amORD - HLN
1 stop7h 35mUnited Airlines
Deal found 11/19$486
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:28 pmHLN - ORD
1 stop28h 31mAlaska Airlines
Tue 12/93:35 pmORD - HLN
1 stop27h 16mAlaska Airlines
Deal found 11/19$517
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:30 amHLN - ORD
1 stop5h 45mUnited Airlines
Thu 12/258:45 amORD - HLN
1 stop6h 00mUnited Airlines
Deal found 11/19$525
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:30 amHLN - ORD
2 stops8h 47mDelta
Thu 12/253:00 pmORD - HLN
1 stop8h 30mDelta
Deal found 11/19$552

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated November 21, 2025.
Use the filters below to find and compare flights from Helena to Chicago O'Hare Intl Airport that are best for you.

Fly from

Helena

Fly to

O'Hare Intl

Route

Depart

Return

Price

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 2/11

1:10 pm-9:52 pm

1 stop7h 42m

Chicago O'Hare Intl

Wed 2/18

7:20 am-12:27 pm

1 stop6h 07m

$333

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

1:07 pm-9:52 pm

1 stop7h 45m

Chicago O'Hare Intl

Tue 2/17

7:20 am-12:27 pm

1 stop6h 07m

$333

HelenaChicago

HLN - ORD

HLNORD

Helena

Wed 2/11

1:10 pm-9:52 pm

1 stop7h 42m

Chicago O'Hare Intl

Sat 2/14

5:15 pm-10:29 pm

1 stop6h 14m

$333

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

5:30 am-12:21 pm

1 stop5h 51m

Chicago O'Hare Intl

Sat 2/14

5:15 pm-10:29 pm

1 stop6h 14m

$333

HelenaChicago

HLN - ORD

HLNORD

Helena

Tue 2/10

5:30 am-4:57 pm

2 stops10h 27m

Chicago O'Hare Intl

Tue 2/17

7:20 am-12:27 pm

1 stop6h 07m

$338

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 2/14

1:07 pm-9:52 pm

1 stop7h 45m

Chicago O'Hare Intl

Sun 2/15

5:15 pm-10:29 pm

1 stop6h 14m

$343

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 12/6

1:06 pm-9:21 pm

1 stop7h 15m

Chicago O'Hare Intl

Tue 12/9

7:20 am-12:25 pm

1 stop6h 05m

$362

HelenaChicago

HLN - ORD

HLNORD

Helena

Mon 2/9

6:48 pm-2:38 pm

1 stop18h 50m

Chicago O'Hare Intl

Tue 2/17

7:00 am-3:59 pm

1 stop9h 59m

$367

HelenaChicago

HLN - ORD

HLNORD

Helena

Tue 2/10

6:48 pm-5:10 pm

1 stop21h 22m

Chicago O'Hare Intl

Sun 2/15

7:00 am-3:59 pm

1 stop9h 59m

$368

HelenaChicago

HLN - ORD

HLNORD

Helena

Tue 2/10

6:48 pm-5:10 pm

1 stop21h 22m

Chicago O'Hare Intl

Fri 2/13

7:00 am-3:59 pm

1 stop9h 59m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 21 results
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Compare providers for flights from Helena to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to O'Hare Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helena-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Helena-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Helena-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Helena to Chicago O'Hare Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Helena to Chicago O'Hare Intl Airport (average of $169). Flying from Helena to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated November 21, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Helena to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,028 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Helena to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Helena to Chicago O'Hare Intl?

    Helena (HLN) is the airport you will fly out of if you book a flight from Helena to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Helena; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Helena airport to Chicago O'Hare Intl. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

  • How long is the flight from Helena to Chicago O'Hare Intl Airport?

    Delta can get you from Helena to Chicago O'Hare Intl Airport in just under 7h 42m. Your travel time can differ by up to . Helena and Chicago O'Hare Intl Airport are separated by a distance of 1227 mi.

  • What are the cheapest airlines flying from Helena to Chicago O'Hare Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $311. Another option worth looking into is Delta, starting at $314 round trip.

  • What are the cheapest airlines to fly from Helena to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $178. Alaska Airlines flights start at $207 while deals on Delta start at $225 one-way.

  • Can I find deals for flights from Helena to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Helena to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to O'Hare Intl.

  • Can I find deals for business class flights from Helena to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Helena to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Chicago O'Hare Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Helena to Chicago O'Hare Intl Airport (average of $169). Flying from Helena to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Beloit
Delavan
Elgin
Oak Brook
Elk Grove Village
Downers Grove
Rockford
Naperville
Orland Park
Bridgeview
Warrenville
Waukegan
Aurora
Racine

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Top 2 airlines flying from Helena to O'Hare Intl

Discover the top 2 airlines that operate flights from Helena to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$311Average$529FlexibilityNo cancel feeOn-time69%
DeltaCheapest$314Average$354FlexibilityNo cancel feeOn-timeN/A

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