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O'Hare Intl

$323+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$396
(Alaska Airlines)

One-way from

$323
(Hawaiian Airlines)

Popular in

October

Cheapest in

February

Average price

$550
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. 6% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 8/184:08 pmHLN - ORD
1 stop29h 22mAlaska Airlines
Sat 8/236:20 amORD - HLN
1 stop10h 01mAlaska Airlines
Deal found 4/29$396
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 8/71:00 pmHLN - ORD
1 stop8h 08mDelta
Thu 8/147:15 amORD - HLN
1 stop6h 20mDelta
Deal found 4/29$512
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 5/122:16 pmHLN - ORD
1 stop18h 17mUnited Airlines
Sun 5/187:10 amORD - HLN
1 stop15h 05mUnited Airlines
Deal found 4/28$681

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 April 29, 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

Mon 8/18

4:08 pm-10:30 pm

1 stop29h 22m

Chicago O'Hare Intl

Sat 8/23

6:20 am-3:21 pm

1 stop10h 01m

$396

HelenaChicago

HLN - ORD

HLNORD

Helena

Thu 8/7

1:00 pm-10:08 pm

1 stop8h 08m

Chicago O'Hare Intl

Thu 8/14

7:15 am-12:35 pm

1 stop6h 20m

$512

HelenaChicago

HLN - ORD

HLNORD

Helena

Mon 5/12

2:16 pm-9:33 am

1 stop18h 17m

Chicago O'Hare Intl

Sun 5/18

7:10 am-9:15 pm

1 stop15h 05m

$681

HelenaChicago

HLN - ORD

HLNORD

Helena

Mon 5/12

7:29 pm-6:05 am

1 stop9h 36m

$323

HelenaChicago

HLN - ORD

HLNORD

Helena

Mon 5/12

7:29 pm-6:20 pm

2 stops21h 51m

$369

HelenaChicago

HLN - ORD

HLNORD

Helena

Sat 5/10

5:45 am-2:10 pm

1 stop7h 25m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust 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, August is the cheapest month in which you can book a flight from Helena to Chicago O'Hare Intl Airport (average of $245). Flying from Helena to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 29, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Flying on Alaska Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $396. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $512 and $681, respectively. These flights start at 25% lower than the current average price 3 months from now.

  • 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 Hawaiian Airlines, which is currently one of the cheapest options available, starting at $323. Alaska Airlines flights start at $369 while deals on Delta start at $479 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, August is the cheapest month in which you can book a flight from Helena to Chicago O'Hare Intl Airport (average of $245). Flying from Helena to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 Helena?

Book flights to Helena if you plan to visit one of these locations
Schaumburg
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Waukegan

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$314Average$524FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$404Average$756FlexibilityNo cancel feeOn-time69%

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