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Cheap flights from Ontario to Helena from C$ 490

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 11/7. 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

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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.
United Airlines Logo
10:15 a.m. - 9:20 p.m.
YYZ
-
HLN
13h 05m
2 stops
United Airlines Logo
2:20 p.m. - 11:49 a.m.
HLN
-
YYZ
19h 29m
2 stops
C$ 898United Airlines
Wed, 1 Jul - Wed, 8 Jul
Delta Logo
5:45 p.m. - 10:39 p.m.
YYZ
-
HLN
6h 54m
1 stop
Delta Logo
5:40 a.m. - 11:10 p.m.
HLN
-
YYZ
15h 30m
2 stops
C$ 928Delta
Sun, 26 Jul - Tue, 1 Sep
United Airlines Logo
7:45 a.m. - 9:20 p.m.
YYZ
-
HLN
15h 35m
2 stops
United Airlines Logo
2:35 p.m. - 1:03 p.m.
HLN
-
YYZ
20h 28m
2 stops
C$ 952United Airlines
Sun, 26 Jul - Tue, 1 Sep
United Airlines Logo
4:18 p.m. - 9:20 p.m.
YYZ
-
HLN
7h 02m
1 stop
United Airlines Logo
6:15 a.m. - 3:14 p.m.
HLN
-
YYZ
6h 59m
1 stop
C$ 964United Airlines
Sun, 26 Jul - Tue, 1 Sep
United Airlines Logo
7:45 a.m. - 9:20 p.m.
YYZ
-
HLN
15h 35m
2 stops
United Airlines Logo
2:20 p.m. - 12:35 p.m.
HLN
-
YYZ
20h 15m
2 stops
C$ 981United Airlines
Sun, 26 Jul - Sat, 1 Aug
United Airlines Logo
10:45 a.m. - 9:20 p.m.
YYZ
-
HLN
12h 35m
1 stop
United Airlines Logo
6:15 a.m. - 9:32 p.m.
HLN
-
YYZ
13h 17m
1 stop
C$ 982United Airlines
Wed, 1 Jul - Wed, 8 Jul
United Airlines Logo
8:45 a.m. - 9:03 p.m.
YYZ
-
HLN
14h 18m
1 stop
United Airlines Logo
2:35 p.m. - 11:21 p.m.
HLN
-
YYZ
6h 46m
1 stop
C$ 1,022United Airlines
Mon, 19 Oct - Tue, 20 Oct
United Airlines Logo
8:45 a.m. - 9:03 p.m.
YYZ
-
HLN
14h 18m
1 stop
United Airlines Logo
2:35 p.m. - 1:21 p.m.
HLN
-
YYZ
20h 46m
2 stops
C$ 1,032United Airlines
Mon, 19 Oct - Tue, 20 Oct
United Airlines Logo
8:45 a.m. - 9:03 p.m.
YYZ
-
HLN
14h 18m
1 stop
United Airlines Logo
6:15 a.m. - 3:14 p.m.
HLN
-
YYZ
6h 59m
1 stop
C$ 1,043United Airlines
Mon, 19 Oct - Tue, 20 Oct
United Airlines Logo
8:45 a.m. - 9:03 p.m.
YYZ
-
HLN
14h 18m
1 stop
United Airlines Logo
6:15 a.m. - 3:14 p.m.
HLN
-
YYZ
6h 59m
1 stop
C$ 1,044United Airlines
Mon, 19 Oct - Tue, 20 Oct

United Airlines flights from Region of Ontario to Helena

Our best United Airlines deals on Region of Ontario to Helena flight tickets
United Airlines
1 Jul
YYZ10:15 a.m.Toronto Pearson Intl
13h 05m
2 stops
HLN9:20 p.m.Helena
8 Jul
HLN2:20 p.m.Helena
19h 29m
2 stops
YYZ11:49 a.m.Toronto Pearson Intl
C$ 898
United Airlines
26 Jul
YYZ7:45 a.m.Toronto Pearson Intl
15h 35m
2 stops
HLN9:20 p.m.Helena
1 Sep
HLN2:35 p.m.Helena
20h 28m
2 stops
YYZ1:03 p.m.Toronto Pearson Intl
C$ 952
United Airlines
26 Jul
YYZ4:18 p.m.Toronto Pearson Intl
7h 02m
1 stop
HLN9:20 p.m.Helena
1 Sep
HLN6:15 a.m.Helena
6h 59m
1 stop
YYZ3:14 p.m.Toronto Pearson Intl
C$ 964

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 96,600 searches. Data last updated 30 May 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

Cheapest round-trip

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 1/7

10:15 a.m.-9:20 p.m.

2 stops13h 05m

Helena

Wed 8/7

2:20 p.m.-11:49 a.m.

2 stops19h 29m

C$ 898

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 26/7

5:45 p.m.-10:39 p.m.

1 stop6h 54m

Helena

Tue 1/9

5:40 a.m.-11:10 p.m.

2 stops15h 30m

C$ 928

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 26/7

7:45 a.m.-9:20 p.m.

2 stops15h 35m

Helena

Tue 1/9

2:35 p.m.-1:03 p.m.

2 stops20h 28m

C$ 952
Quickest round-trip

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 26/7

4:18 p.m.-9:20 p.m.

1 stop7h 02m

Helena

Tue 1/9

6:15 a.m.-3:14 p.m.

1 stop6h 59m

C$ 964

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 26/7

7:45 a.m.-9:20 p.m.

2 stops15h 35m

Helena

Sat 1/8

2:20 p.m.-12:35 p.m.

2 stops20h 15m

C$ 981

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 1/7

10:45 a.m.-9:20 p.m.

1 stop12h 35m

Helena

Wed 8/7

6:15 a.m.-9:32 p.m.

1 stop13h 17m

C$ 982

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 19/10

8:45 a.m.-9:03 p.m.

1 stop14h 18m

Helena

Tue 20/10

2:35 p.m.-11:21 p.m.

1 stop6h 46m

C$ 1,022

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 19/10

8:45 a.m.-9:03 p.m.

1 stop14h 18m

Helena

Tue 20/10

2:35 p.m.-1:21 p.m.

2 stops20h 46m

C$ 1,032

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 19/10

8:45 a.m.-9:03 p.m.

1 stop14h 18m

Helena

Tue 20/10

6:15 a.m.-3:14 p.m.

1 stop6h 59m

C$ 1,043

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 19/10

8:45 a.m.-9:03 p.m.

1 stop14h 18m

Helena

Tue 20/10

6:15 a.m.-3:14 p.m.

1 stop6h 59m

C$ 1,044

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

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

United Airlines is the most popular carrier operating from Ontario to Helena

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

6h 54m

Direct flights

None
The fastest flight from Region of Ontario to Helena takes 6h 54m
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

Frequently asked questions about flying from Ontario to Helena

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

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

  • 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 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 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from Ontario.

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

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

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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