Find Cheap Flights from Ontario to Helena (ONT - HLN)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Ontario to Helena

(Round-trip)
Depart: Wed Jul 12 2017 Return: Wed Jul 19 2017 Trip spans 8 days
Delta
Delta
ONT
12:00a
HLN
6:20a
6h 20m
1 stop
HLN
12:00a
ONT
5:51a
5h 51m
1 stop
Depart: Thu Jun 29 2017 Return: Sun Jul 30 2017 Trip spans 32 days
Major Airline
Major Airline
ONT
12:00a
HLN
2:11a
26h 11m
1 stop
HLN
12:00a
ONT
7:29a
7h 29m
1 stop
Depart: Fri Aug 11 2017 Return: Mon Aug 14 2017 Trip spans 4 days
Delta
Delta
ONT
12:00a
HLN
5:38a
5h 38m
1 stop
HLN
12:00a
ONT
5:51a
5h 51m
1 stop
Depart: Sat Jul 15 2017 Return: Sun Jul 16 2017 Trip spans 2 days
Delta
Delta
ONT
12:00a
HLN
5:13a
5h 13m
1 stop
HLN
12:00a
ONT
4:07a
4h 07m
1 stop
Depart: Wed Jul 5 2017 Return: Mon Jul 10 2017 Trip spans 6 days
Delta
Delta
ONT
12:00a
HLN
4:04a
4h 04m
1 stop
HLN
12:00a
ONT
5:51a
5h 51m
1 stop
Depart: Fri Jul 14 2017 Return: Sun Jul 16 2017 Trip spans 3 days
Delta
Delta
ONT
12:00a
HLN
4:14a
4h 14m
1 stop
HLN
12:00a
ONT
4:07a
4h 07m
1 stop
Depart: Fri Aug 18 2017 Return: Mon Aug 21 2017 Trip spans 4 days
Delta
Delta
ONT
12:00a
HLN
3:57a
3h 57m
1 stop
HLN
12:00a
ONT
4:12a
4h 12m
1 stop
Depart: Thu Jun 29 2017 Return: Mon Jul 31 2017 Trip spans 33 days
Delta
Delta
ONT
12:00a
HLN
4:14a
4h 14m
1 stop
HLN
12:00a
ONT
4:07a
4h 07m
1 stop
Depart: Thu Sep 14 2017 Return: Mon Sep 18 2017 Trip spans 5 days
Delta
Delta
ONT
12:00a
HLN
3:50a
3h 50m
1 stop
HLN
12:00a
ONT
4:05a
4h 05m
1 stop
Depart: Sat Jul 1 2017 Return: Wed Jul 5 2017 Trip spans 5 days
$1023
Select
Delta
Delta
ONT
12:00a
HLN
5:13a
5h 13m
1 stop
HLN
12:00a
ONT
4:04a
4h 04m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Ontario
$422
Destination

Helena
$422
Airlines