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Cheap flights from Toronto to Helena from $257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to Helena departing on 1/29. 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

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Find the cheapest flights from Toronto to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
4:45 pm - 3:38 pm
YYZ
-
HLN
24h 53m1 stop
Alaska Airlines Logo
4:10 pm - 3:35 pm
HLN
-
YYZ
21h 25m1 stop
$512Alaska Airlines
Mon, Apr 13 - Wed, Apr 15
United Airlines Logo
1:00 pm - 8:59 pm
YYZ
-
HLN
9h 59m2 stops
United Airlines Logo
7:00 am - 11:58 pm
HLN
-
YYZ
14h 58m2 stops
$631United Airlines
Mon, Apr 13 - Wed, Apr 15
United Airlines Logo
1:00 pm - 8:59 pm
YYZ
-
HLN
9h 59m2 stops
United Airlines Logo
7:00 am - 11:58 pm
HLN
-
YYZ
14h 58m2 stops
$638United Airlines
Mon, Apr 13 - Wed, Apr 15
United Airlines Logo
1:00 pm - 8:59 pm
YYZ
-
HLN
9h 59m2 stops
United Airlines Logo
7:00 am - 8:44 pm
HLN
-
YYZ
11h 44m2 stops
$639United Airlines
Mon, Apr 13 - Wed, Apr 15

United Airlines flights from Toronto to Helena

Our best United Airlines deals on Toronto to Helena flight tickets
United Airlines
Apr 13
YYZ7:00 amToronto Pearson Intl
15h 59m
2 stops
HLN8:59 pmHelena
Apr 15
HLN7:00 amHelena
6h 14m
1 stop
YYZ3:14 pmToronto Pearson Intl
$631
Find similar
United Airlines
Apr 13
YYZ10:05 amToronto Pearson Intl
12h 54m
2 stops
HLN8:59 pmHelena
Apr 15
HLN7:00 amHelena
6h 14m
1 stop
YYZ3:14 pmToronto Pearson Intl
$638
Find similar
United Airlines
Apr 13
YYZ1:00 pmToronto Pearson Intl
9h 59m
2 stops
HLN8:59 pmHelena
Apr 15
HLN7:00 amHelena
11h 44m
2 stops
YYZ8:44 pmToronto Pearson Intl
$639
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Toronto 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 December 18, 2025.
Use the filters below to find and compare flights from Toronto to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 4/13

4:45 pm-3:38 pm

1 stop24h 53m

Helena

Wed 4/15

4:10 pm-3:35 pm

1 stop21h 25m

$512

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 4/13

1:00 pm-8:59 pm

2 stops9h 59m

Helena

Wed 4/15

7:00 am-11:58 pm

2 stops14h 58m

$631

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 4/13

1:00 pm-8:59 pm

2 stops9h 59m

Helena

Wed 4/15

7:00 am-11:58 pm

2 stops14h 58m

$638

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 4/13

1:00 pm-8:59 pm

2 stops9h 59m

Helena

Wed 4/15

7:00 am-8:44 pm

2 stops11h 44m

$639

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Thu 1/29

4:45 pm-6:11 pm

1 stop27h 26m

$257

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Thu 1/29

11:00 am-9:26 pm

2 stops12h 26m

$344

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 Toronto 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 airline that flies from Toronto to Helena?

Alaska Airlines and United Airlines are the most popular carriers operating from Toronto to Helena

When to book flights from Toronto to Helena

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

Cheap Toronto to Helena (YTO to HLN) flight deals and tips

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

Fastest flight time

23h 35m

Direct flights

None
The fastest flight from Toronto to Helena takes 23h 35m
There are no direct flights from Toronto to Helena. There are no popular flight routes from Toronto to Helena.
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  • How far is Toronto to Helena by plane?

    There are 1592.2 mi between Toronto and Helena. 23h 35m is a normal flight duration for this route.

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

    Prices for flights from Toronto to Helena Airport are updated daily.

  • How old do you have to be to fly from Toronto 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 Toronto to Helena Airport.

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

    The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Helena from Toronto is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Helena quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Helena from Toronto with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Toronto to Helena.

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

If you are not ready to book a flight from Toronto 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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Sat 1/17
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