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$269+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — ONT
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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What is the cheapest day to fly round-trip from Helena to Ontario?

Wednesday flights are generally found to be more expensive for flights from Helena to Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

What is the cheapest month to fly from Helena to Ontario?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Ontario. Flights to Ontario from Helena in April are about $505 on average during April, but can be found for as low as $335.

What is the cheapest time of day to fly from HLN to ONT?

One of the essential ways to save on airfare from Helena to Ontario is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 2% on airfare.

Cheap Helena to Ontario flights in July & August 2024

Find cheap flight options from Helena to Ontario specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Listed are some of the best fares we've found on flights departing from Helena to Ontario in 2024. For more flight deals, be sure to check back very soon.
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 8/213:44 pmHLN - ONT
1 stop7h 36mAlaska Airlines
Wed 8/286:00 amONT - HLN
1 stop8h 01mAlaska Airlines
Deal found 7/24$318
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 8/213:44 pmHLN - ONT
1 stop7h 36mAlaska Airlines
Wed 8/287:00 amONT - HLN
2 stops15h 54mAlaska Airlines
Deal found 7/24$341
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 8/213:44 pmHLN - ONT
1 stop7h 36mAlaska Airlines
Wed 8/2810:10 amONT - HLN
1 stop12h 44mAlaska Airlines
Deal found 7/24$356
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 8/163:42 pmHLN - ONT
1 stop18h 23mAlaska Airlines
Sun 8/186:00 amONT - HLN
1 stop16h 59mAlaska Airlines
Deal found 7/25$413
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 8/267:04 amHLN - ONT
1 stop17h 55mAlaska Airlines
Sat 8/314:28 pmONT - HLN
1 stop21h 36mAlaska Airlines
Deal found 7/23$823
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 8/267:04 amHLN - ONT
1 stop17h 55mAlaska Airlines
Sat 8/317:00 amONT - HLN
2 stops31h 04mAlaska Airlines
Deal found 7/23$951

Helena to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Helena and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Listed are some of the best fares we've found on flights departing from Helena to Ontario in 2024. For more flight deals, be sure to check back very soon.
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 8/213:44 pmHLN - ONT
1 stop7h 36mAlaska Airlines
Wed 8/286:00 amONT - HLN
1 stop8h 01mAlaska Airlines
Deal found 7/24$318
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 8/213:44 pmHLN - ONT
1 stop7h 36mAlaska Airlines
Wed 8/2811:30 amONT - HLN
2 stops11h 24mAlaska Airlines
Deal found 7/24$341
This Delta deal was found by Cheapflights users on 7/24. 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 9/141:10 pmHLN - ONT
1 stop4h 07mDelta
Sat 9/215:00 pmONT - HLN
1 stop4h 31mDelta
Deal found 7/24$343
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 11/12:42 pmHLN - ONT
1 stop20h 51mAlaska Airlines
Wed 11/66:00 amONT - HLN
1 stop7h 04mAlaska Airlines
Deal found 7/25$346
This Delta deal was found by Cheapflights users on 7/24. 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 9/141:10 pmHLN - ONT
2 stops10h 29mDelta
Sat 9/215:00 pmONT - HLN
1 stop4h 31mDelta
Deal found 7/24$352
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 8/213:44 pmHLN - ONT
1 stop7h 36mAlaska Airlines
Wed 8/2810:10 amONT - HLN
1 stop12h 44mAlaska Airlines
Deal found 7/24$356
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 11/12:42 pmHLN - ONT
2 stops9h 08mAlaska Airlines
Wed 11/66:00 amONT - HLN
1 stop7h 04mAlaska Airlines
Deal found 7/25$361
This Delta deal was found by Cheapflights users on 7/25. 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 9/141:10 pmHLN - ONT
2 stops10h 29mDelta
Sat 9/215:00 pmONT - HLN
1 stop4h 31mDelta
Deal found 7/25$392
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 9/63:44 pmHLN - ONT
1 stop18h 31mAlaska Airlines
Sun 9/87:00 amONT - HLN
2 stops15h 54mAlaska Airlines
Deal found 7/24$398

One-way flights to Ontario from Helena

Search for one-way flight options from Helena to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Some of the best available deals we've found on one-way flights from Helena to Ontario. Those needing a return flight from Helena to Ontario can use the search form above.
This Delta deal was found by Cheapflights users on 7/24. 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.
Sun 9/221:10 pmHLN - ONT
1 stop4h 07mDelta
Deal found 7/24$269
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/253:44 pmHLN - ONT
1 stop18h 41mAlaska Airlines
Deal found 7/24$348
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/253:44 pmHLN - ONT
2 stops31h 31mAlaska Airlines
Deal found 7/24$351
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 8/13:42 pmHLN - ONT
1 stop9h 17mAlaska Airlines
Deal found 7/24$423
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 8/12:30 pmHLN - ONT
1 stop7h 18mUnited Airlines
Deal found 7/24$424
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 8/17:00 amHLN - ONT
2 stops16h 40mAlaska Airlines
Deal found 7/24$433
This Delta deal was found by Cheapflights users on 7/24. 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.
Sun 9/221:10 pmHLN - ONT
2 stops10h 29mDelta
Deal found 7/24$444

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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$318 - $449

Route

Depart

Return

Price

HelenaOntario

HLN - ONT

HLNONT

Helena

Wed 8/21

1 stop7h 36m

Ontario

Wed 8/28

1 stop8h 01m

$318

HelenaOntario

HLN - ONT

HLNONT

Helena

Wed 8/21

1 stop7h 36m

Ontario

Wed 8/28

2 stops15h 54m

$341

HelenaOntario

HLN - ONT

HLNONT

Helena

Sat 9/14

1 stop4h 07m

Ontario

Sat 9/21

1 stop4h 31m

$343

HelenaOntario

HLN - ONT

HLNONT

Helena

Sat 9/14

2 stops10h 29m

Ontario

Sat 9/21

1 stop4h 31m

$352

HelenaOntario

HLN - ONT

HLNONT

Helena

Wed 8/21

1 stop7h 36m

Ontario

Wed 8/28

1 stop12h 44m

$356

HelenaOntario

HLN - ONT

HLNONT

Helena

Fri 9/6

1 stop18h 31m

Ontario

Sun 9/8

2 stops15h 54m

$398

HelenaOntario

HLN - ONT

HLNONT

Helena

Fri 9/6

1 stop27h 11m

Ontario

Sun 9/8

1 stop16h 54m

$403

HelenaOntario

HLN - ONT

HLNONT

Helena

Fri 8/16

1 stop18h 23m

Ontario

Sun 8/18

1 stop16h 59m

$413

HelenaOntario

HLN - ONT

HLNONT

Helena

Sat 9/14

2 stops16h 11m

Ontario

Sat 9/21

2 stops27h 21m

$449

Flights are sorted by cheapest first

Deals found on 7/24

What is the cheapest day to fly from Helena to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Helena to Ontario. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Helena to Ontario flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

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 July 25, 2024.
Read reviews from past customers who have flown Alaska Airlines and Delta 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
8.1
Very good
9,365 reviews

Entertainment

7.2

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

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.

  • Can I find flights from Helena to Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from Helena to Ontario for under $400. The cheapest flight booked recently is on Alaska Airlines for just $318, but on average you can expect to pay $467.

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

    $269 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 $348 and $424, respectively.

  • What does HLN to ONT mean?

    Helena Airport is HLN and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Helena to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Helena to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Helena to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Helena to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Helena to Ontario that allow pets onboard?

    Many airlines flying from Helena to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Helena to Ontario?

    Yes, you can often find last-minute deals on Helena to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Helena to Ontario flight deals updated?

    The Helena to Ontario flight deals you see on this page were last updated on 7/25.

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

    Currently, October is the cheapest month in which you can book a flight from Helena to Ontario (average of $237). Flying from Helena to Ontario in July is currently the most expensive (average of $293). 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 airline flying from Helena to Ontario

Discover the top airline 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$356Average$468FlexibilityNo cancel feeOn-timeN/A
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Search flights from Helena to Ontario by cabin class

Find flights from Helena to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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