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Cheap flights from Ontario to Helena from $483

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Helena departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
4:45 pm - 6:11 pm
YYZ
-
HLN
27h 26m1 stop
Alaska Airlines Logo
6:48 pm - 3:35 pm
HLN
-
YYZ
18h 47m1 stop
$483Alaska Airlines
Fri, Jan 23 - Mon, Jan 26
Alaska Airlines Logo
4:45 pm - 6:11 pm
YYZ
-
HLN
27h 26m1 stop
Alaska Airlines Logo
6:48 pm - 6:20 pm
HLN
-
YYZ
21h 32m2 stops
$579Alaska Airlines
Fri, Jan 23 - Mon, Jan 26
Alaska Airlines Logo
4:45 pm - 6:11 pm
YYZ
-
HLN
27h 26m1 stop
Alaska Airlines Logo
6:48 pm - 3:35 pm
HLN
-
YYZ
18h 47m1 stop
$602Alaska Airlines
Fri, Jan 23 - Mon, Jan 26
Alaska Airlines Logo
4:45 pm - 6:11 pm
YYZ
-
HLN
27h 26m1 stop
Alaska Airlines Logo
6:48 pm - 9:23 pm
HLN
-
YYZ
24h 35m2 stops
$676Alaska Airlines
Fri, Jan 23 - Mon, Jan 26
United Airlines Logo
6:40 pm - 1:41 pm
YYZ
-
HLN
21h 01m2 stops
United Airlines Logo
2:27 pm - 9:58 am
HLN
-
YYZ
17h 31m2 stops
$683United Airlines
Fri, Jan 23 - Mon, Jan 26
United Airlines Logo
6:10 am - 9:26 pm
YYZ
-
HLN
17h 16m2 stops
United Airlines Logo
6:15 am - 9:24 pm
HLN
-
YYZ
13h 09m2 stops
$687United Airlines
Fri, Jan 23 - Mon, Jan 26
United Airlines Logo
4:10 pm - 9:26 pm
YYZ
-
HLN
7h 16m1 stop
United Airlines Logo
2:27 pm - 2:20 pm
HLN
-
YYZ
21h 53m2 stops
$689United Airlines
Fri, Jan 23 - Mon, Jan 26
Alaska Airlines Logo
4:45 pm - 6:11 pm
YYZ
-
HLN
27h 26m1 stop
Alaska Airlines Logo
6:48 pm - 3:35 pm
HLN
-
YYZ
18h 47m1 stop
$691Alaska Airlines
Fri, Jan 23 - Mon, Jan 26

Alaska Airlines flights from Region of Ontario to Helena

Our best Alaska Airlines deals on Region of Ontario to Helena flight tickets
Alaska Airlines
Jan 23
YYZ4:45 pmToronto Pearson Intl
27h 26m
1 stop
HLN6:11 pmHelena
Jan 26
HLN6:48 pmHelena
18h 47m
1 stop
YYZ3:35 pmToronto Pearson Intl
$483
Find similar
Alaska Airlines
Jan 23
YYZ4:45 pmToronto Pearson Intl
27h 26m
1 stop
HLN6:11 pmHelena
Jan 26
HLN6:48 pmHelena
21h 32m
2 stops
YYZ6:20 pmToronto Pearson Intl
$579
Find similar
Alaska Airlines
Jan 23
YYZ4:45 pmToronto Pearson Intl
27h 26m
1 stop
HLN6:11 pmHelena
Jan 26
HLN6:48 pmHelena
18h 47m
1 stop
YYZ3:35 pmToronto Pearson Intl
$602
Find similar

United Airlines flights from Region of Ontario to Helena

Our best United Airlines deals on Region of Ontario to Helena flight tickets
United Airlines
Jan 23
YYZ6:40 pmToronto Pearson Intl
21h 01m
2 stops
HLN1:41 pmHelena
Jan 26
HLN2:27 pmHelena
17h 31m
2 stops
YYZ9:58 amToronto Pearson Intl
$683
Find similar
United Airlines
Jan 23
YYZ6:10 amToronto Pearson Intl
17h 16m
2 stops
HLN9:26 pmHelena
Jan 26
HLN6:15 amHelena
13h 09m
2 stops
YYZ9:24 pmToronto Pearson Intl
$687
Find similar
United Airlines
Jan 23
YYZ7:30 amToronto Pearson Intl
15h 56m
2 stops
HLN9:26 pmHelena
Jan 26
HLN6:15 amHelena
13h 09m
2 stops
YYZ9:24 pmToronto Pearson Intl
$689
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 6, 2026.
Use the filters below to find and compare flights from Ontario to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 1/23

4:45 pm-6:11 pm

1 stop27h 26m

Helena

Mon 1/26

6:48 pm-3:35 pm

1 stop18h 47m

$483

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 1/23

4:45 pm-6:11 pm

1 stop27h 26m

Helena

Mon 1/26

6:48 pm-6:20 pm

2 stops21h 32m

$579

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 1/23

4:45 pm-6:11 pm

1 stop27h 26m

Helena

Mon 1/26

6:48 pm-3:35 pm

1 stop18h 47m

$602

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 1/23

4:45 pm-6:11 pm

1 stop27h 26m

Helena

Mon 1/26

6:48 pm-9:23 pm

2 stops24h 35m

$676

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 1/23

6:40 pm-1:41 pm

2 stops21h 01m

Helena

Mon 1/26

2:27 pm-9:58 am

2 stops17h 31m

$683

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 1/23

6:10 am-9:26 pm

2 stops17h 16m

Helena

Mon 1/26

6:15 am-9:24 pm

2 stops13h 09m

$687

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 1/23

4:10 pm-9:26 pm

1 stop7h 16m

Helena

Mon 1/26

2:27 pm-2:20 pm

2 stops21h 53m

$689

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 1/23

4:45 pm-6:11 pm

1 stop27h 26m

Helena

Mon 1/26

6:48 pm-3:35 pm

1 stop18h 47m

$691

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Helena from

How to get the cheapest flight ticket from Region of 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

How long does it take to fly to Helena?

On average, it takes 6h 58m to fly from Region of Ontario to Helena if you fly out of Toronto (the most popular airport in Region of Ontario) and into Bozeman (the most popular airport in Helena). If you’re flying out of Ottawa and into Bozeman, then the flight time is around 16h 18m.

Cheap Region of Ontario to Helena flight deals and tips

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

Fastest flight time

15h 56m

Direct flights

None
The fastest flight from Region of Ontario to Helena takes 15h 56m
There are no direct flights from Region of Ontario to Helena. There are no popular flight routes from Region of Ontario to Helena.
Search flight deals

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Helena Airport.

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

    The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Helena for you.

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

Yes. All flights to Helena from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Ontario to Helena now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Helena and let you know when they change.

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