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$165+ Cheap flights from Helena to Ontario (HLN - ONT)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — ONT
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Helena to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Ontario (ONT). 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 January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Delta)

One-way from

$165
(Delta)
Provider with most accurate pricing for Helena-Ontario flight deals.
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Provider most trusted by Cheapflights users for Helena-Ontario flights.
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From Helena to Ontario
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One-way flight from Helena to Ontario
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Find flight deals from Helena to Ontario

Cheapest flights from Helena to Ontario
Explore the most affordable flight options available from Helena to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Delta deal was found by Cheapflights users on 1/16. 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.
Tue 2/255:54 amHLN - ONT
1 stop7h 30mDelta
Sat 3/86:00 amONT - HLN
1 stop5h 50mDelta
Deal found 1/16$237
This United Airlines deal was found by Cheapflights users on 1/16. 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 3/12:05 pmHLN - ONT
1 stop7h 47mUnited Airlines
Sat 3/85:05 amONT - HLN
1 stop7h 35mUnited Airlines
Deal found 1/16$307
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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 2/244:19 pmHLN - ONT
1 stop8h 05mAlaska Airlines
Fri 3/77:14 pmONT - HLN
1 stop19h 28mAlaska Airlines
Deal found 1/16$330

Find flights from Helena to Ontario within your budget

Customize your flight search to find flights from Helena to Ontario 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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HelenaOntario

HLN - ONT

HLNONT

Helena

Tue 2/25

5:54 am-12:24 pm

1 stop7h 30m

Ontario

Tue 3/4

5:10 pm-10:54 pm

1 stop4h 44m

$237

HelenaOntario

HLN - ONT

HLNONT

Helena

Sat 3/1

2:05 pm-8:52 pm

1 stop7h 47m

Ontario

Sat 3/8

5:05 am-1:40 pm

1 stop7h 35m

$307

HelenaOntario

HLN - ONT

HLNONT

Helena

Mon 2/24

4:19 pm-11:24 pm

1 stop8h 05m

Ontario

Fri 3/7

7:14 pm-3:42 pm

1 stop19h 28m

$330

HelenaOntario

HLN - ONT

HLNONT

Helena

Fri 2/14

5:54 am-12:24 pm

1 stop7h 30m

$165

HelenaOntario

HLN - ONT

HLNONT

Helena

Tue 2/4

4:41 pm-10:38 am

1 stop18h 57m

$268

HelenaOntario

HLN - ONT

HLNONT

Helena

Fri 2/14

2:05 pm-8:40 pm

2 stops31h 35m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Helena to Ontario

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 Ontario in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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-Ontario 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 Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario 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.

Travel insights for flights from Helena to Ontario

Get recent, data-driven insights about flights from Helena to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Helena to Ontario?

Currently, August is the cheapest month in which you can book a flight from Helena to Ontario (average of $246). Flying from Helena to Ontario in March is currently the most expensive (average of $311). 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 Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 16, 2025.
Read reviews from past customers who have flown United Airlines and Alaska Airlines from Helena to Ontario. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

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

  • What are the cheapest airlines flying from Helena to Ontario round-trip?

    Flying on Delta is currently your cheapest option to Ontario, with prices starting at $237. Additional round-trip tickets that might be worth considering are offered by United Airlines and Alaska Airlines, with the lowest prices starting at $307 and $330, respectively.

  • What are the cheapest airlines to fly from Helena to Ontario one-way?

    $165 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $268 and $338, respectively.

  • Can I find deals for flights from Helena to Ontario that include hotel bookings?

    Yes. In addition to deals on Helena to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Ontario?

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

  • Can I find deals for business class flights from Helena to Ontario?

    Yes. Cheapflights offers flight deals from Helena to Ontario 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 Ontario?

    Currently, August is the cheapest month in which you can book a flight from Helena to Ontario (average of $246). Flying from Helena to Ontario in March is currently the most expensive (average of $311). 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

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Top 2 airlines flying from Helena to Ontario

Discover the top 2 airlines that operate flights from Helena to Ontario. 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$239Average$263FlexibilityNo cancel feeOn-time75%
DeltaCheapest$306Average$517FlexibilityNo cancel feeOn-timeN/A
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