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Cheap flights from Ontario to Helena from C$ 421

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 30/9. 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

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Find the cheapest flights from Ontario to Helena

Cheap round-trip flights

United Airlines Logo
4:10 p.m. - 9:22 p.m.YYZ-HLN
7h 12m1 stop
United Airlines Logo
5:40 a.m. - 2:02 p.m.HLN-YYZ
6h 22m1 stop
C$ 837United Airlines
Find Deal
Sat, 1 Nov - Sun, 2 Nov
United Airlines Logo
4:00 p.m. - 8:59 p.m.YYZ-HLN
6h 59m1 stop
United Airlines Logo
7:00 a.m. - 3:12 p.m.HLN-YYZ
6h 12m1 stop
C$ 864United Airlines
Find Deal
Wed, 28 Jan - Sun, 1 Feb
United Airlines Logo
7:00 a.m. - 4:04 p.m.YYZ-HLN
11h 04m2 stops
United Airlines Logo
5:20 p.m. - 10:04 a.m.HLN-YYZ
14h 44m2 stops
C$ 865United Airlines
Find Deal
Sun, 14 Sep - Wed, 17 Sep
United Airlines Logo
7:30 a.m. - 8:59 p.m.YYZ-HLN
15h 29m2 stops
United Airlines Logo
7:00 a.m. - 3:12 p.m.HLN-YYZ
6h 12m1 stop
C$ 877United Airlines
Find Deal
Wed, 28 Jan - Sun, 1 Feb
United Airlines Logo
12:45 p.m. - 8:59 p.m.YYZ-HLN
10h 14m2 stops
United Airlines Logo
2:30 p.m. - 9:29 a.m.HLN-YYZ
16h 59m2 stops
C$ 884United Airlines
Find Deal
Wed, 28 Jan - Sun, 1 Feb
United Airlines Logo
9:44 a.m. - 4:04 p.m.YYZ-HLN
8h 20m1 stop
United Airlines Logo
5:20 p.m. - 10:04 a.m.HLN-YYZ
14h 44m2 stops
C$ 928United Airlines
Find Deal
Sun, 14 Sep - Wed, 17 Sep
United Airlines Logo
9:44 a.m. - 4:04 p.m.YYZ-HLN
8h 20m1 stop
United Airlines Logo
6:30 a.m. - 3:11 p.m.HLN-YYZ
6h 41m1 stop
C$ 988United Airlines
Find Deal
Sun, 14 Sep - Wed, 17 Sep

Alaska Airlines flights from Region of Ontario to Helena

Our best Alaska Airlines deals on Region of Ontario to Helena flight tickets
Alaska Airlines
26 Aug
YYZ11:39 a.m.Toronto Pearson Intl
29h 42m
2 stops
HLN3:21 p.m.Helena
3 Sep
HLN4:02 p.m.Helena
28h 48m
2 stops
YYZ10:50 p.m.Toronto Pearson Intl
C$ 2,375
Find similar
Alaska Airlines
26 Aug
YYZ4:45 p.m.Toronto Pearson Intl
24h 36m
1 stop
HLN3:21 p.m.Helena
3 Sep
HLN4:02 p.m.Helena
28h 48m
2 stops
YYZ10:50 p.m.Toronto Pearson Intl
C$ 3,107
Find similar
Alaska Airlines
26 Aug
YYZ4:45 p.m.Toronto Pearson Intl
24h 36m
1 stop
HLN3:21 p.m.Helena
3 Sep
HLN4:02 p.m.Helena
20h 58m
1 stop
YYZ3:00 p.m.Toronto Pearson Intl
C$ 4,937
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
1 Nov
YYZ4:10 p.m.Toronto Pearson Intl
7h 12m
1 stop
HLN9:22 p.m.Helena
2 Nov
HLN5:40 a.m.Helena
6h 22m
1 stop
YYZ2:02 p.m.Toronto Pearson Intl
C$ 837
Find similar
United Airlines
28 Jan
YYZ4:00 p.m.Toronto Pearson Intl
6h 59m
1 stop
HLN8:59 p.m.Helena
1 Feb
HLN7:00 a.m.Helena
6h 12m
1 stop
YYZ3:12 p.m.Toronto Pearson Intl
C$ 864
Find similar
United Airlines
14 Sep
YYZ7:00 a.m.Toronto Pearson Intl
11h 04m
2 stops
HLN4:04 p.m.Helena
17 Sep
HLN5:20 p.m.Helena
14h 44m
2 stops
YYZ10:04 a.m.Toronto Pearson Intl
C$ 865
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 96,600 searches. Data last updated 18 August 2025.
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

Sat 1/11

4:10 p.m.-9:22 p.m.

1 stop7h 12m

Helena

Sun 2/11

5:40 a.m.-2:02 p.m.

1 stop6h 22m

C$ 837

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 28/1

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

1 stop6h 59m

Helena

Sun 1/2

7:00 a.m.-3:12 p.m.

1 stop6h 12m

C$ 864

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 14/9

7:00 a.m.-4:04 p.m.

2 stops11h 04m

Helena

Wed 17/9

5:20 p.m.-10:04 a.m.

2 stops14h 44m

C$ 865

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 28/1

7:30 a.m.-8:59 p.m.

2 stops15h 29m

Helena

Sun 1/2

7:00 a.m.-3:12 p.m.

1 stop6h 12m

C$ 877

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 28/1

12:45 p.m.-8:59 p.m.

2 stops10h 14m

Helena

Sun 1/2

2:30 p.m.-9:29 a.m.

2 stops16h 59m

C$ 884

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 14/9

9:44 a.m.-4:04 p.m.

1 stop8h 20m

Helena

Wed 17/9

5:20 p.m.-10:04 a.m.

2 stops14h 44m

C$ 928

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 14/9

9:44 a.m.-4:04 p.m.

1 stop8h 20m

Helena

Wed 17/9

6:30 a.m.-3:11 p.m.

1 stop6h 41m

C$ 988

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Tue 30/9

6:19 p.m.-12:20 p.m.

2 stops20h 01m

C$ 421

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Tue 9/9

9:44 a.m.-4:04 p.m.

1 stop8h 20m

C$ 457

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 8/9

4:45 p.m.-3:21 p.m.

1 stop24h 36m

C$ 566

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 time of day to depart on your flight to Helena?

The cheapest time of day to fly to Helena is in the afternoon when flights can be purchased for as low as C$ 799. In the morning is when there is more demand to fly to Helena, so prices are often more expensive at around C$ 885 per ticket.

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

Best price found

C$ 421

Fastest flight time

6h 59m

Direct flights

None

Airports in Helena

1 airport
The best one-way flight to Helena from Region of Ontario in the past 72 hours is C$ 421. The best round-trip flight deal from Region of Ontario to Helena found on momondo in the last 72 hours is C$ 837.
The fastest flight from Region of Ontario to Helena takes 6h 59m
There are no direct flights from Region of Ontario to Helena. Popular non-direct route for this connection is Toronto Pearson Intl Airport - Helena Airport.
There is 1 airport near Helena: Helena (HLN)
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  • 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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