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Cheap flights from Ontario to Helena (ONT - HLN) from $184

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 5/20. 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
Apr 28 — May 51
From?
To?
Sun 4/28
Sun 5/5
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 April 23, 2024.

Round-trip from

$332

One-way from

$316
From Ontario to Helena
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One-way flight from Ontario to Helena
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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 7% on the flight price compared to flying in the morning, which is usually more expensive.

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 3,086,534 searches. Data last updated April 23, 2024.
Consider these cheap Alaska Airlines flights we've found departing from Ontario to Helena. It's recommended that users confirm their flight details before booking.
Wed 5/2210:00 amONT - HLN
1 stop12h 59mAlaska Airlines
Wed 5/293:01 pmHLN - ONT
1 stop9h 57mAlaska Airlines
Deal found 4/22$342
Tue 5/218:09 pmONT - HLN
1 stop17h 14mAlaska Airlines
Thu 5/303:01 pmHLN - ONT
1 stop5h 13mAlaska Airlines
Deal found 4/22$355
Mon 5/276:00 amONT - HLN
1 stop16h 59mAlaska Airlines
Wed 5/297:00 amHLN - ONT
1 stop17h 58mAlaska Airlines
Deal found 4/21$457
Thu 9/194:28 pmONT - HLN
1 stop6h 26mAlaska Airlines
Mon 9/233:44 pmHLN - ONT
1 stop9h 15mAlaska Airlines
Deal found 4/21$490
Wed 8/214:28 pmONT - HLN
1 stop6h 26mAlaska Airlines
Sun 8/253:44 pmHLN - ONT
1 stop5h 06mAlaska Airlines
Deal found 4/21$520
Thu 8/226:00 amONT - HLN
1 stop8h 01mAlaska Airlines
Sun 8/253:44 pmHLN - ONT
2 stops31h 31mAlaska Airlines
Deal found 4/22$526
Thu 8/227:00 amONT - HLN
2 stops15h 54mAlaska Airlines
Sun 8/253:44 pmHLN - ONT
2 stops31h 31mAlaska Airlines
Deal found 4/22$538
Tue 5/217:10 amONT - HLN
2 stops15h 49mAlaska Airlines
Thu 5/307:00 amHLN - ONT
2 stops12h 15mAlaska Airlines
Deal found 4/22$576
Wed 8/217:00 amONT - HLN
2 stops7h 01mAlaska Airlines
Sun 8/253:44 pmHLN - ONT
1 stop5h 06mAlaska Airlines
Deal found 4/21$660

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 3,086,534 searches. Data last updated April 23, 2024.
Have a look at some of the cheapest available Delta flights departing from Ontario and landing in Helena. Make sure to examine the flight information before completing your reservation.
Wed 5/225:20 pmONT - HLN
1 stop4h 12mDelta
Wed 5/291:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$360
Wed 5/2211:20 amONT - HLN
2 stops10h 12mDelta
Wed 5/291:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$390
Tue 5/215:45 amONT - HLN
1 stop5h 58mDelta
Thu 5/301:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$425
Sun 7/146:00 amONT - HLN
1 stop5h 35mDelta
Thu 7/186:00 amHLN - ONT
1 stop7h 15mDelta
Deal found 4/22$458
Sat 7/135:00 pmONT - HLN
1 stop4h 31mDelta
Sun 7/216:00 amHLN - ONT
1 stop18h 43mDelta
Deal found 4/22$472
Thu 7/116:00 amONT - HLN
1 stop15h 31mDelta
Sun 7/216:00 amHLN - ONT
1 stop18h 43mDelta
Deal found 4/22$486
Tue 7/166:00 amONT - HLN
1 stop5h 35mDelta
Sun 7/216:00 amHLN - ONT
1 stop7h 15mDelta
Deal found 4/22$518
Fri 7/126:00 amONT - HLN
1 stop5h 35mDelta
Thu 7/186:00 amHLN - ONT
1 stop7h 15mDelta
Deal found 4/22$578
Fri 7/126:00 amONT - HLN
1 stop5h 35mDelta
Mon 7/226:00 amHLN - ONT
1 stop7h 15mDelta
Deal found 4/22$638

Cheap Ontario to Helena flights in April & May 2024

Find cheap flight options from Ontario to Helena specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 23, 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.
Wed 5/2210:00 amONT - HLN
1 stop12h 59mAlaska Airlines
Wed 5/293:01 pmHLN - ONT
1 stop9h 57mAlaska Airlines
Deal found 4/22$342
Tue 5/218:09 pmONT - HLN
1 stop17h 14mAlaska Airlines
Thu 5/303:01 pmHLN - ONT
1 stop5h 13mAlaska Airlines
Deal found 4/22$355
Wed 5/225:20 pmONT - HLN
1 stop4h 12mDelta
Wed 5/291:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$360
Wed 5/2211:20 amONT - HLN
2 stops10h 12mDelta
Wed 5/291:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$390
Tue 5/215:45 amONT - HLN
1 stop5h 58mDelta
Thu 5/301:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$425
Tue 5/211:36 pmONT - HLN
1 stop6h 35mUnited Airlines
Tue 5/282:15 pmHLN - ONT
1 stop7h 33mUnited Airlines
Deal found 4/22$438
Tue 5/2110:42 amONT - HLN
2 stops9h 29mUnited Airlines
Tue 5/282:15 pmHLN - ONT
1 stop7h 33mUnited Airlines
Deal found 4/22$443
Mon 5/276:00 amONT - HLN
1 stop16h 59mAlaska Airlines
Wed 5/297:00 amHLN - ONT
1 stop17h 58mAlaska Airlines
Deal found 4/21$457
Tue 5/2110:42 amONT - HLN
2 stops9h 29mUnited Airlines
Tue 5/286:53 amHLN - ONT
2 stops30h 52mUnited Airlines
Deal found 4/22$462

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 3,086,534 searches. Data last updated April 23, 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.
Wed 5/2210:00 amONT - HLN
1 stop12h 59mAlaska Airlines
Wed 5/293:01 pmHLN - ONT
1 stop9h 57mAlaska Airlines
Deal found 4/22$342
Tue 5/218:09 pmONT - HLN
1 stop17h 14mAlaska Airlines
Thu 5/303:01 pmHLN - ONT
1 stop5h 13mAlaska Airlines
Deal found 4/22$355
Wed 5/225:20 pmONT - HLN
1 stop4h 12mDelta
Wed 5/291:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$360
Wed 5/2211:20 amONT - HLN
2 stops10h 12mDelta
Wed 5/291:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$390
Tue 5/215:45 amONT - HLN
1 stop5h 58mDelta
Thu 5/301:24 pmHLN - ONT
2 stops10h 14mDelta
Deal found 4/22$425
Tue 5/211:36 pmONT - HLN
1 stop6h 35mUnited Airlines
Tue 5/282:15 pmHLN - ONT
1 stop7h 33mUnited Airlines
Deal found 4/22$438
Tue 5/2110:42 amONT - HLN
2 stops9h 29mUnited Airlines
Tue 5/282:15 pmHLN - ONT
1 stop7h 33mUnited Airlines
Deal found 4/22$443
Mon 5/276:00 amONT - HLN
1 stop16h 59mAlaska Airlines
Wed 5/297:00 amHLN - ONT
1 stop17h 58mAlaska Airlines
Deal found 4/21$457
Sun 7/146:00 amONT - HLN
1 stop5h 35mDelta
Thu 7/186:00 amHLN - ONT
1 stop7h 15mDelta
Deal found 4/22$458

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 3,086,534 searches. Data last updated April 23, 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.
Mon 5/205:45 amONT - HLN
1 stop5h 58mDelta
Deal found 4/22$184
Sat 6/225:00 pmONT - HLN
1 stop4h 45mDelta
Deal found 4/22$229
Sat 6/2211:55 amONT - HLN
2 stops9h 50mDelta
Deal found 4/22$316
Mon 5/206:55 pmONT - HLN
2 stops28h 04mAlaska Airlines
Deal found 4/22$370
Mon 5/2010:42 amONT - HLN
2 stops25h 44mUnited Airlines
Deal found 4/22$389
Sat 6/226:03 amONT - HLN
3 stops14h 23mUnited Airlines
Deal found 4/22$1,031

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 3,086,534 searches. Data last updated April 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$342 - $462

Route

Depart

Return

Price

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Wed 5/22

1 stop12h 59m

Helena

Wed 5/29

1 stop9h 57m

$342

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 5/21

1 stop17h 14m

Helena

Thu 5/30

1 stop5h 13m

$355

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Wed 5/22

1 stop4h 12m

Helena

Wed 5/29

2 stops10h 14m

$360

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Wed 5/22

2 stops10h 12m

Helena

Wed 5/29

2 stops10h 14m

$390

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 5/21

1 stop5h 58m

Helena

Thu 5/30

2 stops10h 14m

$425

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 5/21

1 stop6h 35m

Helena

Tue 5/28

1 stop7h 33m

$438

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 5/21

2 stops9h 29m

Helena

Tue 5/28

1 stop7h 33m

$443

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Mon 5/27

1 stop16h 59m

Helena

Wed 5/29

1 stop17h 58m

$457

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Tue 5/21

2 stops9h 29m

Helena

Tue 5/28

2 stops30h 52m

$462

Flights are sorted by cheapest first

Deals found on 4/22

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 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Helena flight should consider departing on Wednesday 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 $420 while a round-trip flight costs $408. Price data was last updated on April 21, 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 $679). 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

$679

July

$651

August

$483

September

$506

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 April 23, 2024.
Get a feel of what it's like to fly with Alaska Airlines, Delta 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
9,111 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,111 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

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

Delta
8.1
Very good
11,028 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
11,272 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Food

7.3

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 $400 on Cheapflights?

    Yes, there are multiple flights from Ontario to Helena for under $400. The cheapest flight booked recently is on Alaska Airlines for just $342, but on average you can expect to pay $457.

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

    Flying on Alaska Airlines is currently your cheapest option to Helena, with prices starting at $342. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $360 and $438, respectively.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $184. Alaska Airlines flights start at $370 while deals on United Airlines start at $389 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 4/22.

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 3,086,534 searches. Data last updated April 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$529FlexibilityNo cancel feeOn-timeN/A
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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.
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Business Class
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Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Helena from Ontario today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Helena for you. Better yet — we are completely free to use.

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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