HLN - ONT

$166 Find Cheap Flights from Helena to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Helena to Ontario departing on 7/9. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helena to Ontario, 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 Helena to Ontario, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$331
Delta
Thu 6/4Fri 6/12
HLN - ONT • 1 stop
Cheapest one-way
$166
Delta
Thu 7/9
HLN - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Helena and Ontario. You'll need at least 1 connection.
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Top layover airports
Denver (DEN)
Cheapest • Avg $216 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 28m (one-way)
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
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Flight Deals

Cheap Flights from Helena to Ontario (HLN-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Helena to Ontario 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Helena to Ontario

Thu, Jun 4 - Fri, Jun 12
Delta Logo
5:45 am - 8:53 am
HLN
-
ONT
4h 08m
1 stop
Delta Logo
5:21 pm - 10:41 pm
ONT
-
HLN
4h 20m
1 stop
$331Delta
Thu, Jun 4 - Sat, Jun 13
Delta Logo
5:45 am - 8:53 am
HLN
-
ONT
4h 08m
1 stop
Delta Logo
6:00 am - 12:20 pm
ONT
-
HLN
5h 20m
1 stop
$365Delta
Thu, Jun 4 - Fri, Jun 12
Delta Logo
1:03 pm - 10:32 pm
HLN
-
ONT
10h 29m
2 stops
Delta Logo
5:21 pm - 10:41 pm
ONT
-
HLN
4h 20m
1 stop
$390Delta
Thu, Jul 30 - Sun, Aug 2
Alaska Airlines Logo
5:09 pm - 11:11 pm
HLN
-
ONT
7h 02m
1 stop
Alaska Airlines Logo
6:02 am - 4:32 pm
ONT
-
HLN
9h 30m
1 stop
$411Alaska Airlines
Thu, Jun 4 - Sat, Jun 13
Delta Logo
5:45 am - 8:53 am
HLN
-
ONT
4h 08m
1 stop
Delta Logo
6:00 am - 12:20 pm
ONT
-
HLN
5h 20m
1 stop
$423Delta
Thu, Jun 4 - Sat, Jun 13
Delta Logo
1:03 pm - 10:32 pm
HLN
-
ONT
10h 29m
2 stops
Delta Logo
6:00 am - 12:20 pm
ONT
-
HLN
5h 20m
1 stop
$424Delta
Sat, Jun 13 - Mon, Jun 15
Delta Logo
1:00 pm - 10:41 pm
HLN
-
ONT
10h 41m
2 stops
Delta Logo
6:00 am - 12:20 pm
ONT
-
HLN
5h 20m
1 stop
$428Delta
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
2:29 pm - 8:52 pm
HLN
-
ONT
7h 23m
1 stop
United Airlines Logo
1:18 pm - 9:16 pm
ONT
-
HLN
6h 58m
1 stop
$440United Airlines
Thu, Jun 4 - Sat, Jun 13
Delta Logo
1:03 pm - 10:32 pm
HLN
-
ONT
10h 29m
2 stops
Delta Logo
6:00 am - 12:20 pm
ONT
-
HLN
5h 20m
1 stop
$482Delta
Sat, Aug 29 - Tue, Sep 1
Alaska Airlines Logo
5:11 pm - 11:24 pm
HLN
-
ONT
7h 13m
1 stop
Alaska Airlines Logo
7:10 am - 4:34 pm
ONT
-
HLN
8h 24m
2 stops
$502Alaska Airlines
Booking Insights

KAYAK's insights & trends for Helena to Ontario flights

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

Which airlines provide the cheapest flights from Helena to Ontario?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Helena to Ontario were found on Delta ($331) and Alaska Airlines ($411).

Find deals

Good to know

Cheapest flight$166
Flight from Helena to Ontario

When to book flights from Helena to Ontario

Are your dates flexible? Find out the best times to travel from Helena to Ontario 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 Helena to Ontario

  • What is the cheapest flight from Helena to Ontario?

    In the last 3 days, the lowest price for a flight from Helena to Ontario was $166 for a one-way ticket and $331 for a round-trip.

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

    A passport is not required to fly from Helena to Ontario.

  • Which airports will I be using when flying from Helena to Ontario?

    Helena and Ontario are both served by 1 main airport. You will leave Helena from Helena and will be arriving at Ontario.

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

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

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

    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 Helena to Ontario.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Helena 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 Helena to Ontario?

    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 Ontario with an airline and back to Helena with another airline. Booking your flights between Helena and ONT 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 Helena to Ontario?

    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 Ontario from Helena up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

Helena (HLN)
Ontario (ONT)