Cheap flights from Helena to Ontario (HLN - ONT)

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

All the information you need to plan the best HLN to ONT flight in 2021: compare Helena to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
What is the cheapest month to fly from Helena to Ontario?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, April can be a great choice for travel to Ontario. Flights to Ontario from Helena in April are about $282 on average during April, but can be found for as low as $134.

When is the cheapest time to fly from Helena to Ontario (HLN - 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 afternoon tend to be the most expensive. A flight at noon could potentially save you up to 28% on airfare.

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

Friday 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.

Cheap flights from Helena to Ontario in October, November 2021

The best prices found for HLN to ONT flights for October, November
21 Nov - 1 Dec
$257pp
HLN
Helena
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
HLN
Helena
21 Nov - 2 Dec
$277pp
HLN
Helena
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
HLN
Helena
5 Nov - 7 Nov
$297pp
HLN
Helena
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
HLN
Helena

Helena to Ontario 2021 flight deals

Cheap flights to Ontario from Helena found for this year
11 Dec - 8 Jan
$227pp
HLN
Helena
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
HLN
Helena
21 Nov - 1 Dec
$257pp
HLN
Helena
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
HLN
Helena
21 Nov - 2 Dec
$277pp
HLN
Helena
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
HLN
Helena

Last minute flights from Helena to Ontario

Late deals on round-trip flights to Ontario from Helena, departing today and this week
25 Oct - 10 Nov
$576pp
HLN
Helena
Alaska Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Alaska Airlines
 
1 STOP
HLN
Helena

One-way flights to Ontario from Helena

The cheapest one-way flights from Helena to Ontario
9:06 am - 3:43 pm
United Airlines
1 Stop
7h 37m
HLN - ONT
United Airlines
$139
United
9:06 am - 2:47 pm
United Airlines
2 Stops
30h 41m
HLN - ONT
United Airlines
$203
United
1:45 am - 2:47 pm
United Airlines
2 Stops
14h 02m
HLN - ONT
United Airlines
$213
United

Related info for your journey

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

Flight FAQs

From Helena to Ontario

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

Some of the carriers operating flights from Helena to Ontario that may be offering flexible cancellation policies are Delta and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Helena to Ontario for under $300 on Cheapflights?

Yes, there are multiple flights from Helena to Ontario for under $300. The cheapest flight booked recently is on Delta for just $227, but on average you can expect to pay $323.

Are there last-minute flights available from Helena to Ontario for under $600?

There are currently 1+ open flights from Helena to Ontario within the next 7 days for less than $600.

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 $227. Additional round-trip tickets that might be worth considering are offered by United Airlines and Alaska Airlines, with the lowest prices starting at $257 and $297, respectively. You may be able to fly from Helena to Ontario for 22% less than the average price by searching for these airlines.

What are the cheapest flights from Helena to Ontario?

The cheapest flight price from Helena to Ontario is $119. On average you can expect to pay $254. The most popular route, (Helena - Ontario), can usually be booked for $227.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

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

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

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

COVID-19 testing requirements
Visitors from Helena must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

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

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

Returning to Helena from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Helena.

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

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Helena to Ontario

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

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Helena to Ontario.

Airports servicing Helena

Airports servicing Ontario

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