$374 Find Cheap Flights from Ontario to Helena - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Ontario to Helena

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Helena

Sat, Mar 6 - Tue, Mar 9
Alaska Airlines Logo
5:15 pm - 3:37 pmYYZ  Toronto Pearson Intl-HLN Helena
24h 22m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:17 pm - 4:05 pmHLN  Helena-YYZ Toronto Pearson Intl
21h 48m1 stop Seattle/Tacoma Intl
$635Alaska Airlines
Sat, Mar 6 - Tue, Mar 9
United Airlines Logo
4:00 pm - 8:59 pmYYZ  Toronto Pearson Intl-HLN Helena
6h 59m1 stop Denver Intl
United Airlines Logo
7:00 am - 12:13 amHLN  Helena-YYZ Toronto Pearson Intl
15h 13m2 stops Denver Intl Chicago O'Hare Intl
$682United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:10 pm - 9:32 pmYYZ  Toronto Pearson Intl-HLN Helena
7h 22m1 stop Denver Intl
United Airlines Logo
6:15 am - 3:02 pmHLN  Helena-YYZ Toronto Pearson Intl
6h 47m1 stop Denver Intl
$682United Airlines
Sat, Mar 6 - Tue, Mar 9
United Airlines Logo
10:19 am - 8:59 pmYYZ  Toronto Pearson Intl-HLN Helena
12h 40m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
7:00 am - 9:36 pmHLN  Helena-YYZ Toronto Pearson Intl
12h 36m2 stops Denver Intl Chicago O'Hare Intl
$682United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:10 pm - 9:32 pmYYZ  Toronto Pearson Intl-HLN Helena
7h 22m1 stop Denver Intl
United Airlines Logo
6:15 am - 9:15 pmHLN  Helena-YYZ Toronto Pearson Intl
13h 00m2 stops Denver Intl Chicago O'Hare Intl
$682United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
8:35 am - 9:32 pmYYZ  Toronto Pearson Intl-HLN Helena
14h 57m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:15 am - 6:45 pmHLN  Helena-YYZ Toronto Pearson Intl
10h 30m2 stops Denver Intl Chicago O'Hare Intl
$682United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:10 pm - 9:32 pmYYZ  Toronto Pearson Intl-HLN Helena
7h 22m1 stop Denver Intl
United Airlines Logo
6:15 am - 3:02 pmHLN  Helena-YYZ Toronto Pearson Intl
6h 47m1 stop Denver Intl
$684United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
8:35 am - 9:32 pmYYZ  Toronto Pearson Intl-HLN Helena
14h 57m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:15 am - 7:01 pmHLN  Helena-YYZ Toronto Pearson Intl
10h 46m2 stops Denver Intl Washington, D.C. Dulles Intl
$684United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:10 pm - 9:32 pmYYZ  Toronto Pearson Intl-HLN Helena
7h 22m1 stop Denver Intl
United Airlines Logo
6:15 am - 9:15 pmHLN  Helena-YYZ Toronto Pearson Intl
13h 00m2 stops Denver Intl Chicago O'Hare Intl
$684United Airlines
Useful Info

FAQs for booking flights from Ontario to Helena

  • How does KAYAK find such low prices on flights from Ontario to Helena?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Helena.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Helena?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Helena?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Helena?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

More options for your flight to Helena