What is the cheapest airline that flies from Ontario to Helena?

Delta and Alaska Airlines are the most popular carriers operating from Ontario to Helena

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 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.

$118 Cheap Flights from Ontario to Helena in 2024/25

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Find the cheapest flights from Ontario to Helena

Round-tripOne-way

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Helena that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Helena.

Cheap last minute flights

Planning a quick getaway from Ontario to Helena? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Helena, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Helena

Find recent round-trip train or bus tickets from Ontario to Helena.

All round-trip flight deals to Helena

The cheapest plane tickets to Helena found on KAYAK recently.

7:00 am - 3:42 pmONT-HLN

7h 42m2 stops

4:19 pm - 9:27 pmHLN-ONT

6h 08m1 stop

$331Alaska Airlines

Find Deal

Thu, Feb 13 - Tue, Feb 18

6:00 am - 3:42 pmONT-HLN

8h 42m1 stop

4:19 pm - 11:24 pmHLN-ONT

8h 05m1 stop

$356Alaska Airlines

Find Deal

Sat, Feb 22 - Mon, Feb 24

5:05 am - 1:25 pmONT-HLN

7h 20m1 stop

2:05 pm - 12:42 pmHLN-ONT

23h 37m1 stop

$502United Airlines

Find Deal

Thu, Feb 13 - Tue, Feb 18

5:45 am - 1:13 pmONT-HLN

6h 28m1 stop

2:04 pm - 8:17 pmHLN-ONT

7h 13m1 stop

$898United Airlines

Find Deal

Tue, Jun 17 - Tue, Jun 24

7:00 am - 3:43 pmONT-HLN

7h 43m2 stops

4:10 pm - 10:37 pmHLN-ONT

7h 27m1 stop

$1,271Alaska Airlines

Find Deal

Tue, Jun 17 - Tue, Jun 24

6:00 am - 12:50 pmONT-HLN

5h 50m1 stop

$118Delta

Find Deal

Sat, Mar 8

7:00 am - 4:23 pmONT-HLN

8h 23m2 stops

$186Alaska Airlines

Find Deal

Sun, Mar 9

11:57 am - 3:42 pmONT-HLN

26h 45m1 stop

$187Alaska Airlines

Find Deal

Fri, Feb 14

6:00 am - 3:42 pmONT-HLN

8h 42m1 stop

$252Alaska Airlines

Find Deal

Sat, Feb 22

Alaska Airlines flights from Ontario to Helena

Our best Alaska Airlines deals on Ontario to Helena flight tickets

Alaska Airlines

Feb 13

ONT7:00 amOntario

7h 42m

2 stops

HLN3:42 pmHelena

Feb 18

HLN4:19 pmHelena

6h 08m

1 stop

ONT9:27 pmOntario

$331

Find similar

Alaska Airlines

Feb 22

ONT6:00 amOntario

8h 42m

1 stop

HLN3:42 pmHelena

Feb 24

HLN4:19 pmHelena

8h 05m

1 stop

ONT11:24 pmOntario

$356

Find similar

Alaska Airlines

Jun 17

ONT7:00 amOntario

7h 43m

2 stops

HLN3:43 pmHelena

Jun 24

HLN4:10 pmHelena

7h 27m

1 stop

ONT10:37 pmOntario

$1,271

Find similar

United Airlines flights from Ontario to Helena

Our best United Airlines deals on Ontario to Helena flight tickets

United Airlines

Feb 13

ONT5:05 amOntario

7h 20m

1 stop

HLN1:25 pmHelena

Feb 18

HLN2:05 pmHelena

23h 37m

1 stop

ONT12:42 pmOntario

$502

Find similar

United Airlines

Jun 17

ONT5:45 amOntario

6h 28m

1 stop

HLN1:13 pmHelena

Jun 24

HLN2:04 pmHelena

7h 13m

1 stop

ONT8:17 pmOntario

$898

Find similar

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

Prices

Airlines

What is the cheapest month to fly to Helena?

If you aren’t able to travel to Helena during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $352.

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	$118
Fastest flight time	5h 50m
Direct flights	None
Airports in Helena	1 airport

The best one-way flight to Helena from Ontario in the past 72 hours is $118. The best round-trip flight deal from Ontario to Helena found on momondo in the last 72 hours is $331.

The fastest flight from Ontario to Helena takes 5h 50m

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)

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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 6h 28m.
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 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.

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.