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ONT - HLN

$177 Find Cheap Flights from Ontario to Helena

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Helena departing on 1/11. 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.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to Helena

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Helena, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Helena, as well as popular online travel agencies
In the last 7 days travelers have searched 41,299,237 times on KAYAK, and here is why:

Save 23% or moreCompare multiple travel sites with one search.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap Flight Deals from Ontario to Helena (ONT-HLN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Helena that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Ontario to Helena

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Ontario to Helena.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
5:10 pm - 11:07 pmONT-HLN
4h 57m1 stop
5:50 am - 12:26 pmHLN-ONT
7h 36m1 stop
$306Delta
Find Deal
Mon, Jan 13 - Wed, Jan 15
11:57 am - 3:42 pmONT-HLN
26h 45m1 stop
4:19 pm - 11:24 pmHLN-ONT
8h 05m1 stop
$450Alaska Airlines
Find Deal
Fri, Feb 14 - Mon, Feb 17
8:52 pm - 2:49 pmONT-HLN
16h 57m1 stop
4:19 pm - 11:59 pmHLN-ONT
8h 40m1 stop
$558Alaska Airlines
Find Deal
Thu, Jan 2 - Sat, Mar 22

Flights from Ontario to Helena - Travel Insights & Trends

Get data-powered insights and trends into flights from Ontario to Helena to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Helena, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Ontario to Helena is April, where tickets cost $321 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is $593 and $511 respectively.

Good to know

Cheapest flight

$177
Flight from Ontario to Helena

When to book flights from Ontario to Helena

Are your dates flexible? Find out the best times to travel from Ontario to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Helena

  • What is the cheapest flight from Ontario to Helena?

    In the last 3 days, the lowest price for a flight from Ontario to Helena was $177 for a one-way ticket and $306 for a round-trip.

  • Do I need a passport to fly between Ontario and Helena?

    No

  • Which aircraft models fly most regularly from Ontario to Helena?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Helena?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Ontario and Helena, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Ontario to Helena?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Helena.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Helena?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Helena?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to Ontario with another airline. Booking your flights between Ontario and HLN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Helena?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Ontario to Helena

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ontario to Helena found on KAYAK in the last 72 hours.
1/11Sat
1 stopAlaska Airlines
9h 04mONT-HLN
$177
1/11Sat
2 stopsUnited Airlines
9h 49mONT-HLN
$261

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Everything you need to know for your flight from Ontario to Helena

Information on your arrival and departure airports

Helena (HLN)
Ontario (ONT)

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