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Cheap flights from Ontario to Helena (ONT - HLN) from $221

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — HLN
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
1 adult, Economy
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Cheap flight deals from Ontario to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Helena (HLN). 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 May 3, 2024.

Round-trip from

$332
From Ontario to Helena
Search Deals

What is the cheapest day to fly round-trip from Ontario to Helena?

Thursday flights are found to be more expensive to fly from Ontario to Helena. 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 Helena.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to Helena. Flights to Helena from Ontario in October are about $531 on average during October, but can be found for as low as $355.

When is the cheapest time to fly from Ontario to Helena (ONT - HLN)?

It’s typically best to fly out from Ontario to Helena at noon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Delta flights from Ontario to Helena

Explore cheap flight options specifically provided by Delta for the route between Ontario and Helena. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Consider these cheap Delta flights we've found departing from Ontario to Helena. It's recommended that users confirm their flight details before booking.
Sat 5/185:45 amONT - HLN
1 stop5h 58mDelta
Tue 6/45:50 amHLN - ONT
2 stops8h 43mDelta
Deal found 5/2$405
Thu 6/135:35 amONT - HLN
1 stop6h 04mDelta
Tue 6/181:19 pmHLN - ONT
2 stops10h 19mDelta
Deal found 5/2$455
Thu 6/1311:40 amONT - HLN
2 stops10h 05mDelta
Tue 6/186:00 amHLN - ONT
2 stops8h 26mDelta
Deal found 5/2$460
Thu 6/135:35 amONT - HLN
1 stop6h 04mDelta
Tue 6/181:19 pmHLN - ONT
1 stop3h 57mDelta
Deal found 5/2$468
Tue 5/215:20 pmONT - HLN
1 stop4h 12mDelta
Thu 5/301:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 5/2$475
Sat 5/255:45 amONT - HLN
1 stop5h 58mDelta
Wed 5/291:24 pmHLN - ONT
1 stop4h 12mDelta
Deal found 5/2$488
Thu 5/235:45 amONT - HLN
1 stop5h 58mDelta
Mon 5/271:24 pmHLN - ONT
1 stop4h 12mDelta
Deal found 5/2$558
Tue 5/145:45 amONT - HLN
1 stop5h 58mDelta
Wed 6/51:24 pmHLN - ONT
2 stops10h 13mDelta
Deal found 5/2$644
Sun 7/216:00 amONT - HLN
1 stop5h 35mDelta
Fri 7/261:15 pmHLN - ONT
2 stops10h 00mDelta
Deal found 5/2$678

Cheap Alaska Airlines flights from Ontario to Helena

Explore cheap flight options specifically provided by Alaska Airlines for the route between Ontario and Helena. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Have a look at some of the cheapest available Alaska Airlines flights departing from Ontario and landing in Helena. Make sure to examine the flight information before completing your reservation.
Sat 5/184:20 pmONT - HLN
1 stop6h 39mAlaska Airlines
Tue 6/43:01 pmHLN - ONT
1 stop19h 04mAlaska Airlines
Deal found 5/2$430
Tue 5/214:08 pmONT - HLN
1 stop6h 51mAlaska Airlines
Thu 5/303:01 pmHLN - ONT
1 stop19h 04mAlaska Airlines
Deal found 5/2$490
Tue 5/216:00 amONT - HLN
1 stop7h 23mAlaska Airlines
Tue 5/287:00 amHLN - ONT
1 stop27h 05mAlaska Airlines
Deal found 5/2$520
Tue 5/146:00 amONT - HLN
1 stop7h 16mAlaska Airlines
Wed 6/53:01 pmHLN - ONT
1 stop5h 13mAlaska Airlines
Deal found 5/2$604
Tue 5/217:10 amONT - HLN
2 stops15h 49mAlaska Airlines
Thu 5/307:00 amHLN - ONT
2 stops15h 55mAlaska Airlines
Deal found 5/2$623

Cheap Ontario to Helena flights in May & June 2024

Find cheap flight options from Ontario to Helena specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 3, 2024.
Scroll through some of the best deals on flights from Ontario to Helena in 2024. Check back in a little while for more flight options.
Sat 5/185:45 amONT - HLN
1 stop5h 58mDelta
Tue 6/45:50 amHLN - ONT
2 stops8h 43mDelta
Deal found 5/2$405
Sat 5/184:20 pmONT - HLN
1 stop6h 39mAlaska Airlines
Tue 6/43:01 pmHLN - ONT
1 stop19h 04mAlaska Airlines
Deal found 5/2$430
Thu 6/135:35 amONT - HLN
1 stop6h 04mDelta
Tue 6/181:19 pmHLN - ONT
2 stops10h 19mDelta
Deal found 5/2$455
Thu 6/1311:40 amONT - HLN
2 stops10h 05mDelta
Tue 6/186:00 amHLN - ONT
2 stops8h 26mDelta
Deal found 5/2$460
Thu 6/135:35 amONT - HLN
1 stop6h 04mDelta
Tue 6/181:19 pmHLN - ONT
1 stop3h 57mDelta
Deal found 5/2$468
Tue 5/215:20 pmONT - HLN
1 stop4h 12mDelta
Thu 5/301:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 5/2$475
Sat 5/255:45 amONT - HLN
1 stop5h 58mDelta
Wed 5/291:24 pmHLN - ONT
1 stop4h 12mDelta
Deal found 5/2$488
Tue 5/214:08 pmONT - HLN
1 stop6h 51mAlaska Airlines
Thu 5/303:01 pmHLN - ONT
1 stop19h 04mAlaska Airlines
Deal found 5/2$490
Tue 5/216:00 amONT - HLN
1 stop7h 23mAlaska Airlines
Tue 5/287:00 amHLN - ONT
1 stop27h 05mAlaska Airlines
Deal found 5/2$520

Ontario to Helena 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Helena in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Scroll through some of the best deals on flights from Ontario to Helena in 2024. Check back in a little while for more flight options.
Sat 5/185:45 amONT - HLN
1 stop5h 58mDelta
Tue 6/45:50 amHLN - ONT
2 stops8h 43mDelta
Deal found 5/2$405
Sat 5/184:20 pmONT - HLN
1 stop6h 39mAlaska Airlines
Tue 6/43:01 pmHLN - ONT
1 stop19h 04mAlaska Airlines
Deal found 5/2$430
Thu 6/135:35 amONT - HLN
1 stop6h 04mDelta
Tue 6/181:19 pmHLN - ONT
2 stops10h 19mDelta
Deal found 5/2$455
Thu 6/1311:40 amONT - HLN
2 stops10h 05mDelta
Tue 6/186:00 amHLN - ONT
2 stops8h 26mDelta
Deal found 5/2$460
Thu 6/135:35 amONT - HLN
1 stop6h 04mDelta
Tue 6/181:19 pmHLN - ONT
1 stop3h 57mDelta
Deal found 5/2$468
Tue 5/215:20 pmONT - HLN
1 stop4h 12mDelta
Thu 5/301:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 5/2$475
Sat 5/255:45 amONT - HLN
1 stop5h 58mDelta
Wed 5/291:24 pmHLN - ONT
1 stop4h 12mDelta
Deal found 5/2$488
Tue 5/214:08 pmONT - HLN
1 stop6h 51mAlaska Airlines
Thu 5/303:01 pmHLN - ONT
1 stop19h 04mAlaska Airlines
Deal found 5/2$490
Tue 5/216:00 amONT - HLN
1 stop7h 23mAlaska Airlines
Tue 5/287:00 amHLN - ONT
1 stop27h 05mAlaska Airlines
Deal found 5/2$520

One-way flights to Helena from Ontario

Search for one-way flight options from Ontario to Helena. 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 2,899,487 searches. Data last updated May 3, 2024.
Users traveling one-way from Ontario to Helena can select one of these great deals. Those seeking round-trip flights from Ontario to Helena should utilize the search form at the the top of the page.
Sun 5/266:00 amONT - HLN
1 stop7h 23mAlaska Airlines
Deal found 5/2$221
Fri 6/145:00 pmONT - HLN
1 stop4h 45mDelta
Deal found 5/1$234
Sat 6/2211:40 amONT - HLN
2 stops10h 05mDelta
Deal found 5/2$351
Sun 6/166:00 amONT - HLN
1 stop16h 59mAlaska Airlines
Deal found 5/2$352
Sun 5/2611:20 amONT - HLN
2 stops10h 12mDelta
Deal found 5/2$409
Fri 6/147:00 amONT - HLN
2 stops7h 05mAlaska Airlines
Deal found 5/1$417
Sun 6/165:50 amONT - HLN
2 stops30h 49mUnited Airlines
Deal found 5/2$477
Sun 6/165:50 amONT - HLN
3 stops14h 36mUnited Airlines
Deal found 5/2$878
Sat 6/226:03 amONT - HLN
3 stops14h 23mUnited Airlines
Deal found 5/2$882

Find flights from Ontario to Helena within your budget

Customize your flight search to find flights from Ontario to Helena 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 2,899,487 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$405 - $556

Route

Depart

Return

Price

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Sat 5/18

1 stop5h 58m

Helena

Tue 6/4

2 stops8h 43m

$405

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Sat 5/18

1 stop6h 39m

Helena

Tue 6/4

1 stop19h 04m

$430

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Thu 6/13

1 stop6h 04m

Helena

Tue 6/18

2 stops10h 19m

$455

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Thu 6/13

2 stops10h 05m

Helena

Tue 6/18

2 stops8h 26m

$460

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Thu 6/13

1 stop6h 04m

Helena

Tue 6/18

1 stop3h 57m

$468

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 5/21

1 stop6h 51m

Helena

Thu 5/30

1 stop19h 04m

$490

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 5/21

1 stop7h 23m

Helena

Tue 5/28

1 stop27h 05m

$520

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 10/8

1 stop6h 37m

Helena

Fri 10/18

1 stop7h 28m

$538

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 5/21

2 stops33h 29m

Helena

Tue 5/28

1 stop14h 55m

$556

Flights are sorted by cheapest first

Deals found on 5/2

When is the cheapest time to fly from Ontario to Helena?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Helena. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Helena flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Helena by month

Plan your trip from Ontario to Helena by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Helena is currently $469 while a round-trip flight costs $480. Price data was last updated on April 28, 2024.

Currently, February is the cheapest month in which you can book a flight from Ontario to Helena (average of $332). Flying from Ontario to Helena in June is currently the most expensive (average of $678). 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.

January

$398

February

$332

March

$484

April

$427

May

$557

June

$678

July

$651

August

$483

September

$496

October

$395

November

$466

December

$411

Temperature and rainfall in Helena by month

Plan your trip to Helena by taking into account the average temperature and rainfall totals by month.

HLN

Temperature

21.2 - 69.8 °F

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated May 3, 2024.
Get a feel of what it's like to fly with Delta, Alaska Airlines and United Airlines from Ontario to Helena by reading reviews from past customers. 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
9,123 reviews
Check prices

Crew

8.6

Entertainment

7.3

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,123 reviews
Alaska Airlines
8.1
Very good
9,123 reviews
Check prices

Crew

8.6

Entertainment

7.3

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,858 reviews
Alaska Airlines
8.1
Very good
9,123 reviews
Check prices

Crew

8.6

Entertainment

7.3

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,143 reviews
Alaska Airlines
8.1
Very good
9,123 reviews
Check prices

Crew

8.6

Entertainment

7.3

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Helena. 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 Ontario to Helena for under $500 on Cheapflights?

    Yes, there are multiple flights from Ontario to Helena for under $500. The cheapest flight booked recently is on Delta for just $405, but on average you can expect to pay $579.

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

    Flying on Delta is currently your cheapest option to Helena, with prices starting at $405. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $430 and $538, respectively.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $221. Delta flights start at $234 while deals on United Airlines start at $477 one-way.

  • What does ONT to HLN mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ontario Airport to Helena Airport flight would often be abbreviated as a ONT to HLN flight.

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

    The amount of baggage you can bring on your Ontario to Helena 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 Ontario to Helena with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Helena 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 Ontario to Helena that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Helena 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 Ontario to Helena that allow pets onboard?

    Many airlines flying from Ontario to Helena 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 Ontario to Helena?

    Yes, you can often find last-minute deals on Ontario to Helena 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 Ontario to Helena flight deals updated?

    The Ontario to Helena flight deals you see on this page were last updated on 5/2.

See more FAQs

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Top airline flying from Ontario to Helena

Discover the top airline that operate flights from Ontario to Helena. 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 2,899,487 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$327Average$522FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Ontario to Helena by cabin class

Find flights from Ontario to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Helena?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Helena?

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Can Cheapflights find flights from Ontario to Helena with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Helena flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Helena become cheaper?

Yes! Start tracking prices for Ontario to Helena flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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