Cheap flights from Ontario to Helena (ONT - HLN)

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How to find the cheapest flight from
Ontario (ONT) to Helena (HLN)

All the information you need to plan the best ONT to HLN flight in 2022: compare Ontario to Helena flight prices with the expected peak season, weather and rainfall in Helena.
What is the cheapest month to fly from Ontario to Helena?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, September can be a great choice for travel to Helena. Flights to Helena from Ontario in September are about $405 on average during September, but can be found for as low as $179.

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

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

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

Tuesday 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.

Cheap flights from Ontario to Helena in June, July 2022

The best prices found for ONT to HLN flights for June, July
21 Jul - 26 Jul
$538pp
ONT
Ontario
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
ONT
Ontario
25 Jul - 1 Aug
$558pp
ONT
Ontario
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
ONT
Ontario
21 Jul - 26 Jul
$577pp
ONT
Ontario
Multiple Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
ONT
Ontario

Ontario to Helena 2022 flight deals

Cheap flights to Helena from Ontario found for this year
3 Dec - 10 Dec
$405pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
ONT
Ontario
3 Dec - 10 Dec
$406pp
ONT
Ontario
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
ONT
Ontario
15 Nov - 20 Nov
$424pp
ONT
Ontario
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
ONT
Ontario

Last minute flights from Ontario to Helena

Late deals on round-trip flights to Helena from Ontario, departing today and this week
5 Jul - 8 Jul
$1,058pp
ONT
Ontario
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
ONT
Ontario
3 Jul - 9 Jul
$1,108pp
ONT
Ontario
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
ONT
Ontario
5 Jul - 11 Jul
$1,128pp
ONT
Ontario
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
ONT
Ontario

One-way flights to Helena from Ontario

The cheapest one-way flights from Ontario to Helena
1:00 pm - 6:27 pm
Delta
1 Stop
4h 27m
ONT - HLN
Delta
$509
Delta
9:47 am - 6:27 pm
Multiple Airlines
2 Stops
7h 40m
ONT - HLN
Multiple Airlines
$648
United
6:50 am - 6:34 pm
United Airlines
2 Stops
10h 44m
ONT - HLN
United Airlines
$670
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Helena</span> flights.

Flight FAQs

From Ontario to Helena

Which airlines flying from Ontario to Helena have flexible cancellations due to COVID-19?

Some of our airline partners flying from Ontario to Helena have new flexible policies in place due to COVID-19. Delta and Alaska Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Delta with this kind of flexibility.

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 Multiple Airlines for just $405, but on average you can expect to pay $524.

Are there last-minute flights available from Ontario to Helena for under $1,100?

There are currently 6+ open flights from Ontario to Helena within the next 7 days for less than $1,100.

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 $406. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $448 and $1,061, 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 $259. Alaska Airlines flights start at $322 while deals on United Airlines start at $485 one-way.

What are the most popular airlines that fly from Ontario to Helena?

Consider Alaska Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Ontario to Helena.

What are the cheapest flights from Ontario to Helena?

The cheapest flight price from Ontario to Helena is $429. On average you can expect to pay $533. The most popular route, (Ontario - Helena), can usually be booked for $405.

COVID Restrictions

View COVID Travel Restrictions for Helena, MT

Do I need a COVID test to fly to Helena from Ontario?

Information is based on travel restrictions for travel to Helena within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Helena.

COVID-19 testing requirements
Visitors from Ontario are not required to present a negative COVID-19 PCR test or antigen result upon entering Helena.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Helena.

Do I need a test to fly back to Ontario from Helena?

Returning to Ontario from Helena

COVID-19 testing requirements
Visitors from Helena are not required to present a negative COVID-19 PCR test or antigen result upon entering Ontario.

Quarantine requirements
Visitors from Helena are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Helena, MT

Alternative routes for Ontario to Helena

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Helena

Things to know before you go - useful duration and weather info for your trip from Ontario to Helena.
Average temperature for June in Helena
77.0 °F
Avg rainfall for June in Helena
2.2 ″

Airports servicing Ontario

Airports servicing Helena

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