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Cheap flights from Ontario to Helena from C$ 837

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 2/6. 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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Find the cheapest flights from Ontario to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:15 p.m. - 1:33 p.m.
YYZ
-
HLN
22h 18m
2 stops
United Airlines Logo
6:15 a.m. - 9:32 p.m.
HLN
-
YYZ
13h 17m
1 stop
C$ 837United Airlines
Tue, 2 Jun - Fri, 5 Jun
United Airlines Logo
10:15 a.m. - 9:20 p.m.
YYZ
-
HLN
13h 05m
2 stops
United Airlines Logo
6:15 a.m. - 9:32 p.m.
HLN
-
YYZ
13h 17m
1 stop
C$ 857United Airlines
Thu, 4 Jun - Sun, 7 Jun
Delta Logo
6:15 a.m. - 10:33 p.m.
YYZ
-
HLN
18h 18m
2 stops
Delta Logo
5:45 a.m. - 9:55 p.m.
HLN
-
YYZ
14h 10m
2 stops
C$ 867Delta
Sun, 31 May - Thu, 4 Jun
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$ 899United Airlines
Wed, 3 Jun - Fri, 5 Jun
Delta Logo
6:15 a.m. - 10:33 p.m.
YYZ
-
HLN
18h 18m
2 stops
Delta Logo
5:25 a.m. - 4:35 p.m.
HLN
-
YYZ
9h 10m
1 stop
C$ 910Delta
Sun, 31 May - Sun, 7 Jun
Delta Logo
6:15 a.m. - 10:33 p.m.
YYZ
-
HLN
18h 18m
2 stops
Delta Logo
5:45 a.m. - 4:35 p.m.
HLN
-
YYZ
8h 50m
1 stop
C$ 962Delta
Sun, 31 May - Thu, 4 Jun
Delta Logo
6:15 a.m. - 10:33 p.m.
YYZ
-
HLN
18h 18m
2 stops
Delta Logo
1:03 p.m. - 11:19 a.m.
HLN
-
YYZ
20h 16m
2 stops
C$ 967Delta
Sun, 31 May - Fri, 5 Jun
United Airlines Logo
10:45 a.m. - 9:20 p.m.
YYZ
-
HLN
12h 35m
1 stop
United Airlines Logo
6:15 a.m. - 3:14 p.m.
HLN
-
YYZ
6h 59m
1 stop
C$ 998United Airlines
Sun, 31 May - Wed, 3 Jun
Alaska Airlines Logo
4:55 p.m. - 4:06 p.m.
YYZ
-
HLN
25h 11m
1 stop
Alaska Airlines Logo
4:43 p.m. - 3:45 p.m.
HLN
-
YYZ
21h 02m
1 stop
C$ 1,050Alaska Airlines
Mon, 1 Jun - Sat, 6 Jun
United Airlines Logo
10:45 a.m. - 9:20 p.m.
YYZ
-
HLN
12h 35m
1 stop
United Airlines Logo
6:15 a.m. - 11:23 p.m.
HLN
-
YYZ
15h 08m
1 stop
C$ 1,062United Airlines
Sun, 31 May - Mon, 8 Jun

United Airlines flights from Region of Ontario to Helena

Our best United Airlines deals on Region of Ontario to Helena flight tickets
United Airlines
2 Jun
YYZ5:15 p.m.Toronto Pearson Intl
22h 18m
2 stops
HLN1:33 p.m.Helena
5 Jun
HLN6:15 a.m.Helena
13h 17m
1 stop
YYZ9:32 p.m.Toronto Pearson Intl
C$ 837
United Airlines
4 Jun
YYZ10:15 a.m.Toronto Pearson Intl
13h 05m
2 stops
HLN9:20 p.m.Helena
7 Jun
HLN6:15 a.m.Helena
13h 17m
1 stop
YYZ9:32 p.m.Toronto Pearson Intl
C$ 857
United Airlines
3 Jun
YYZ10:45 a.m.Toronto Pearson Intl
12h 35m
1 stop
HLN9:20 p.m.Helena
5 Jun
HLN6:15 a.m.Helena
13h 17m
1 stop
YYZ9:32 p.m.Toronto Pearson Intl
C$ 899

Delta flights from Region of Ontario to Helena

Our best Delta deals on Region of Ontario to Helena flight tickets
Delta
31 May
YYZ6:15 a.m.Toronto Pearson Intl
18h 18m
2 stops
HLN10:33 p.m.Helena
4 Jun
HLN5:45 a.m.Helena
14h 10m
2 stops
YYZ9:55 p.m.Toronto Pearson Intl
C$ 867
Delta
31 May
YYZ6:15 a.m.Toronto Pearson Intl
18h 18m
2 stops
HLN10:33 p.m.Helena
7 Jun
HLN5:25 a.m.Helena
9h 10m
1 stop
YYZ4:35 p.m.Toronto Pearson Intl
C$ 910
Delta
31 May
YYZ6:15 a.m.Toronto Pearson Intl
18h 18m
2 stops
HLN10:33 p.m.Helena
4 Jun
HLN5:45 a.m.Helena
8h 50m
1 stop
YYZ4:35 p.m.Toronto Pearson Intl
C$ 962

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 14 April 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

Tue 2/6

5:15 p.m.-1:33 p.m.

2 stops22h 18m

Helena

Fri 5/6

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

1 stop13h 17m

C$ 837

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Thu 4/6

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

2 stops13h 05m

Helena

Sun 7/6

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

1 stop13h 17m

C$ 857

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 31/5

6:15 a.m.-10:33 p.m.

2 stops18h 18m

Helena

Thu 4/6

5:45 a.m.-9:55 p.m.

2 stops14h 10m

C$ 867

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 3/6

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

1 stop12h 35m

Helena

Fri 5/6

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

1 stop13h 17m

C$ 899

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 31/5

6:15 a.m.-10:33 p.m.

2 stops18h 18m

Helena

Sun 7/6

5:25 a.m.-4:35 p.m.

1 stop9h 10m

C$ 910

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 31/5

6:15 a.m.-10:33 p.m.

2 stops18h 18m

Helena

Thu 4/6

5:45 a.m.-4:35 p.m.

1 stop8h 50m

C$ 962

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 31/5

6:15 a.m.-10:33 p.m.

2 stops18h 18m

Helena

Fri 5/6

1:03 p.m.-11:19 a.m.

2 stops20h 16m

C$ 967
Quickest round-trip

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 31/5

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

1 stop12h 35m

Helena

Wed 3/6

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

1 stop6h 59m

C$ 998

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 1/6

4:55 p.m.-4:06 p.m.

1 stop25h 11m

Helena

Sat 6/6

4:43 p.m.-3:45 p.m.

1 stop21h 02m

C$ 1,050

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 31/5

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

1 stop12h 35m

Helena

Mon 8/6

6:15 a.m.-11:23 p.m.

1 stop15h 08m

C$ 1,062

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?

Flight times vary depending on what airport in Region of Ontario you fly out of and what airport in Helena you fly into. For example, flying from Toronto to Bozeman takes 6h 57m on average. On the other hand, flying from Ottawa to Bozeman takes 11h 24m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

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

12h 35m

Direct flights

None
The fastest flight from Region of Ontario to Helena takes 12h 35m
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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