Cheap flights from Ontario to Helena from $198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Helena departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ontario to Helena

Cheap round-trip flights

Delta Logo
6:05 am - 12:20 pmONT-HLN
5h 15m1 stop
Delta Logo
5:50 am - 8:55 amHLN-ONT
4h 05m1 stop
$305Delta
Find Deal
sáb, ago 30 - qua, set 3
Delta Logo
5:09 pm - 10:47 pmONT-HLN
4h 38m1 stop
Delta Logo
5:50 am - 8:47 amHLN-ONT
3h 57m1 stop
$329Delta
Find Deal
sex, ago 1 - ter, ago 5
Delta Logo
5:09 pm - 10:47 pmONT-HLN
4h 38m1 stop
Delta Logo
1:00 pm - 10:47 pmHLN-ONT
10h 47m2 stops
$334Delta
Find Deal
sex, ago 1 - ter, ago 5
Delta Logo
6:05 am - 12:20 pmONT-HLN
5h 15m1 stop
Delta Logo
1:00 pm - 10:42 pmHLN-ONT
10h 42m2 stops
$347Delta
Find Deal
sáb, ago 30 - qua, set 3
United Airlines Logo
1:15 pm - 9:11 pmONT-HLN
6h 56m1 stop
United Airlines Logo
2:30 pm - 8:43 pmHLN-ONT
7h 13m1 stop
$395United Airlines
Find Deal
seg, set 8 - sex, set 12
United Airlines Logo
5:05 am - 1:58 pmONT-HLN
7h 53m1 stop
United Airlines Logo
2:34 pm - 8:54 pmHLN-ONT
7h 20m1 stop
$399United Airlines
Find Deal
sáb, ago 2 - seg, ago 4
Alaska Airlines Logo
3:06 pm - 3:21 pmONT-HLN
23h 15m1 stop
Alaska Airlines Logo
4:02 pm - 10:44 amHLN-ONT
19h 42m1 stop
$424Alaska Airlines
Find Deal
sex, set 26 - dom, set 28
United Airlines Logo
1:15 pm - 9:00 pmONT-HLN
6h 45m1 stop
United Airlines Logo
2:00 pm - 8:24 pmHLN-ONT
7h 24m1 stop
$435United Airlines
Find Deal
sex, set 26 - sáb, set 27
Alaska Airlines Logo
5:49 pm - 3:21 pmONT-HLN
20h 32m2 stops
Alaska Airlines Logo
4:02 pm - 9:26 amHLN-ONT
18h 24m2 stops
$458Alaska Airlines
Find Deal
sáb, ago 30 - qua, set 3
Alaska Airlines Logo
7:10 am - 3:21 pmONT-HLN
7h 11m2 stops
Alaska Airlines Logo
4:02 pm - 10:44 amHLN-ONT
19h 42m1 stop
$488Alaska Airlines
Find Deal
sex, set 26 - sáb, set 27

Alaska Airlines flights from Ontario to Helena

Our best Alaska Airlines deals on Ontario to Helena flight tickets
Alaska Airlines
Sep 26
ONT3:06 pmOntario
23h 15m
1 stop
HLN3:21 pmHelena
Sep 28
HLN4:02 pmHelena
19h 42m
1 stop
ONT10:44 amOntario
Alaska Airlines
Aug 30
ONT5:49 pmOntario
20h 32m
2 stops
HLN3:21 pmHelena
Sep 3
HLN4:02 pmHelena
18h 24m
2 stops
ONT9:26 amOntario
Alaska Airlines
Sep 26
ONT7:10 amOntario
7h 11m
2 stops
HLN3:21 pmHelena
Sep 27
HLN4:02 pmHelena
19h 42m
1 stop
ONT10:44 amOntario

Delta flights from Ontario to Helena

Our best Delta deals on Ontario to Helena flight tickets
Delta
Aug 30
ONT6:05 amOntario
5h 15m
1 stop
HLN12:20 pmHelena
Sep 3
HLN5:50 amHelena
4h 05m
1 stop
ONT8:55 amOntario
Delta
Aug 1
ONT5:09 pmOntario
4h 38m
1 stop
HLN10:47 pmHelena
Aug 5
HLN5:50 amHelena
3h 57m
1 stop
ONT8:47 amOntario
Delta
Aug 1
ONT5:09 pmOntario
4h 38m
1 stop
HLN10:47 pmHelena
Aug 5
HLN1:00 pmHelena
10h 47m
2 stops
ONT10:47 pmOntario

See travel insights to Helena from

How to get the cheapest flight ticket from Ontario to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Helena?

The cheapest day to depart from Ontario to Helena is on a Friday. Travelers who choose to depart for Helena on a Friday will often find tickets for as low as $431. The most expensive day to fly to Helena is Wednesday, with ticket prices averaging around $497.

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Ontario to Helena in the afternoon for as low as $393. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is at noon when prices are around $611.

When to book flights from Ontario to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Helena (ONT to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Helena

Best Price Found

$198

Fastest flight time

4h 38m

Direct flights

None

Airports in Helena

1 airport
The best one-way flight to Helena from Ontario in the past 72 hours is $198. The best round-trip flight deal from Ontario to Helena found on momondo in the last 72 hours is $305.
The fastest flight from Ontario to Helena takes 4h 38m
There are no direct flights from Ontario to Helena. Popular non-direct route for this connection is Ontario Airport - Helena Airport.
There is 1 airport near Helena: Helena (HLN)

  • How far is Ontario to Helena by plane?

    The straight-line distance from Ontario to Helena is 913.6 mi. In terms of flight time, this usually takes a little over 4h 38m.

  • When did momondo last update prices for flights from Ontario Airport to Helena Airport?

    Prices for flights from Ontario Airport to Helena Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Helena Airport?

  • How old do you have to be to fly from Ontario Airport to Helena Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The necessary travel and health documents for your Helena Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Helena?


Best airlines flying from Ontario to Helena

Compare and see reviews for airlines that fly from Ontario to Helena with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $205Free CancellationRating
8.0
7,951 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Helena?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Helena. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Helena with flexible booking policies on momondo?

Flights from Ontario to Helena with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Helena?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Helena from Ontario.

I’m not ready to book a flight from Ontario to Helena right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Helena flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your Helena trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
ter 7/15
ter 7/22

Find better results for your trip to the United States