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Cheap flights from Toronto to Helena from C$ 514

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 16/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Toronto to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 a.m. - 10:32 p.m.YYZ  Toronto Pearson Intl-HLN Helena
18h 32m2 stops New York John F Kennedy Intl Salt Lake City
Delta Logo
7:00 a.m. - 10:51 p.m.HLN  Helena-YYZ Toronto Pearson Intl
13h 51m2 stops Salt Lake City New York John F Kennedy Intl
C$ 874Delta
Sat, 5 Dec - Tue, 8 Dec
Delta Logo
6:00 a.m. - 10:32 p.m.YYZ  Toronto Pearson Intl-HLN Helena
18h 32m2 stops New York John F Kennedy Intl Salt Lake City
Delta Logo
7:00 a.m. - 10:51 p.m.HLN  Helena-YYZ Toronto Pearson Intl
13h 51m2 stops Salt Lake City New York John F Kennedy Intl
C$ 875Delta
Sat, 5 Dec - Tue, 8 Dec
Delta Logo
6:00 a.m. - 10:32 p.m.YYZ  Toronto Pearson Intl-HLN Helena
18h 32m2 stops New York John F Kennedy Intl Salt Lake City
Delta Logo
7:00 a.m. - 11:59 p.m.HLN  Helena-YYZ Toronto Pearson Intl
14h 59m2 stops Salt Lake City Atlanta Hartsfield-Jackson
C$ 916Delta
Sat, 5 Dec - Tue, 8 Dec
Delta Logo
7:45 a.m. - 10:32 p.m.YYZ  Toronto Pearson Intl-HLN Helena
16h 47m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
7:00 a.m. - 10:51 p.m.HLN  Helena-YYZ Toronto Pearson Intl
13h 51m2 stops Salt Lake City New York John F Kennedy Intl
C$ 917Delta
Sat, 5 Dec - Tue, 8 Dec
United Airlines Logo
4:00 p.m. - 8:59 p.m.YYZ  Toronto Pearson Intl-HLN Helena
6h 59m1 stop Denver Intl
United Airlines Logo
7:00 a.m. - 9:29 p.m.HLN  Helena-YYZ Toronto Pearson Intl
12h 29m2 stops Denver Intl Newark
C$ 941United Airlines
Sat, 5 Dec - Tue, 8 Dec
United Airlines Logo
4:00 p.m. - 8:59 p.m.YYZ  Toronto Pearson Intl-HLN Helena
6h 59m1 stop Denver Intl
United Airlines Logo
7:00 a.m. - 9:29 p.m.HLN  Helena-YYZ Toronto Pearson Intl
12h 29m2 stops Denver Intl Newark
C$ 942United Airlines
Sat, 5 Dec - Tue, 8 Dec
United Airlines Logo
4:00 p.m. - 8:59 p.m.YYZ  Toronto Pearson Intl-HLN Helena
6h 59m1 stop Denver Intl
United Airlines Logo
7:00 a.m. - 9:29 p.m.HLN  Helena-YYZ Toronto Pearson Intl
12h 29m2 stops Denver Intl Newark
C$ 945United Airlines
Sat, 5 Dec - Tue, 8 Dec
United Airlines Logo
9:44 a.m. - 9:30 p.m.YYZ  Toronto Pearson Intl-HLN Helena
13h 46m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
6:15 a.m. - 8:35 a.m.HLN  Helena-YYZ Toronto Pearson Intl
24h 20m2 stops Denver Intl Washington, D.C. Reagan-National
C$ 952United Airlines
Wed, 26 Aug - Sat, 5 Sep
Delta Logo
11:40 a.m. - 10:30 p.m.YYZ  Toronto Pearson Intl-HLN Helena
12h 50m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
6:50 a.m. - 4:40 p.m.HLN  Helena-YYZ Toronto Pearson Intl
7h 50m1 stop Salt Lake City
C$ 985Delta
Wed, 26 Aug - Sat, 5 Sep
United Airlines Logo
8:35 a.m. - 1:40 p.m.YYZ  Toronto Pearson Intl-HLN Helena
7h 05m1 stop Denver Intl
United Airlines Logo
6:28 a.m. - 3:02 p.m.HLN  Helena-YYZ Toronto Pearson Intl
6h 34m1 stop Denver Intl
C$ 1,029United Airlines
Mon, 9 Nov - Tue, 24 Nov

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Delta flights from Toronto to Helena

Our best Delta deals on Toronto to Helena flight tickets
Delta
5 Dec
YYZ6:00 a.m.Toronto Pearson Intl
18h 32m
2 stops
HLN10:32 p.m.Helena
8 Dec
HLN7:00 a.m.Helena
13h 51m
2 stops
YYZ10:51 p.m.Toronto Pearson Intl
C$ 874
Delta
5 Dec
YYZ6:00 a.m.Toronto Pearson Intl
18h 32m
2 stops
HLN10:32 p.m.Helena
8 Dec
HLN7:00 a.m.Helena
13h 51m
2 stops
YYZ10:51 p.m.Toronto Pearson Intl
C$ 875
Delta
5 Dec
YYZ6:00 a.m.Toronto Pearson Intl
18h 32m
2 stops
HLN10:32 p.m.Helena
8 Dec
HLN7:00 a.m.Helena
14h 59m
2 stops
YYZ11:59 p.m.Toronto Pearson Intl
C$ 916

United Airlines flights from Toronto to Helena

Our best United Airlines deals on Toronto to Helena flight tickets
United Airlines
5 Dec
YYZ4:00 p.m.Toronto Pearson Intl
6h 59m
1 stop
HLN8:59 p.m.Helena
8 Dec
HLN7:00 a.m.Helena
12h 29m
2 stops
YYZ9:29 p.m.Toronto Pearson Intl
C$ 941
United Airlines
5 Dec
YYZ4:00 p.m.Toronto Pearson Intl
6h 59m
1 stop
HLN8:59 p.m.Helena
8 Dec
HLN7:00 a.m.Helena
6h 12m
1 stop
YYZ3:12 p.m.Toronto Pearson Intl
C$ 942
United Airlines
5 Dec
YYZ4:00 p.m.Toronto Pearson Intl
6h 59m
1 stop
HLN8:59 p.m.Helena
8 Dec
HLN7:00 a.m.Helena
12h 29m
2 stops
YYZ9:29 p.m.Toronto Pearson Intl
C$ 945

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 96,600 searches. Data last updated 6 August 2026.
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

Cheapest round-trip

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Sat 5/12

6:00 a.m.-10:32 p.m.

2 stops18h 32m

Helena

Tue 8/12

7:00 a.m.-10:51 p.m.

2 stops13h 51m

C$ 874

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Sat 5/12

6:00 a.m.-10:32 p.m.

2 stops18h 32m

Helena

Tue 8/12

7:00 a.m.-10:51 p.m.

2 stops13h 51m

C$ 875

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Sat 5/12

6:00 a.m.-10:32 p.m.

2 stops18h 32m

Helena

Tue 8/12

7:00 a.m.-11:59 p.m.

2 stops14h 59m

C$ 916

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Sat 5/12

7:45 a.m.-10:32 p.m.

2 stops16h 47m

Helena

Tue 8/12

7:00 a.m.-10:51 p.m.

2 stops13h 51m

C$ 917

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Sat 5/12

4:00 p.m.-8:59 p.m.

1 stop6h 59m

Helena

Tue 8/12

7:00 a.m.-9:29 p.m.

2 stops12h 29m

C$ 941

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Sat 5/12

4:00 p.m.-8:59 p.m.

1 stop6h 59m

Helena

Tue 8/12

7:00 a.m.-9:29 p.m.

2 stops12h 29m

C$ 942

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Sat 5/12

4:00 p.m.-8:59 p.m.

1 stop6h 59m

Helena

Tue 8/12

7:00 a.m.-9:29 p.m.

2 stops12h 29m

C$ 945

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Wed 26/8

9:44 a.m.-9:30 p.m.

2 stops13h 46m

Helena

Sat 5/9

6:15 a.m.-8:35 a.m.

2 stops24h 20m

C$ 952

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Wed 26/8

11:40 a.m.-10:30 p.m.

2 stops12h 50m

Helena

Sat 5/9

6:50 a.m.-4:40 p.m.

1 stop7h 50m

C$ 984
Quickest round-trip

TorontoHelena

YYZ Toronto Pearson Intl - HLN Helena

YYZHLN

Toronto Pearson Intl

Mon 9/11

8:35 a.m.-1:40 p.m.

1 stop7h 05m

Helena

Tue 24/11

6:28 a.m.-3:02 p.m.

1 stop6h 34m

C$ 1,029

Flights are sorted by cheapest round-trip flights first.

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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?

United Airlines is the most popular carrier 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

12h 45m

Direct flights

None
The fastest flight from Toronto to Helena takes 12h 45m
There are no direct flights from Toronto to Helena. There are no popular flight routes from Toronto to Helena.
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Frequently asked questions about flying from Toronto to Helena

  • How far is Toronto to Helena by plane?

    A flight from Toronto to Helena will travel around 2562.3 km. A reasonable flight in good conditions will take 12h 45m.

  • 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 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 Toronto 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 Toronto to Helena for you.

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

Yes. momondo allows you to filter the results for Toronto to Helena flights to just show those with flexible booking policies.

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

Once you have performed a search for Toronto to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Toronto to Helena flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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