Find Deals on Flights from Helena to Ontario (HLN - ONT)

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.
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Book cheap flights from Helena to Ontario

(Round-trip)
Depart: Mon May 1 2017 Return: Tue May 9 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
7:38p
7h 52m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Mon Apr 3 2017 Return: Fri Apr 7 2017 Trip spans 5 days
Delta
Delta
HLN
1:59p
ONT
7:49p
5h 50m
1 stop
ONT
2:00a
HLN
7:37a
5h 37m
1 stop
Depart: Tue May 2 2017 Return: Tue May 9 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
7:14p
7h 28m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
7:14p
7h 28m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Fri May 5 2017 Return: Tue May 9 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
7:39p
7h 53m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Sat May 6 2017 Return: Tue May 9 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
7:14p
7h 28m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Thu May 4 2017 Return: Tue May 9 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
7:14p
7h 28m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Sat Mar 4 2017 Return: Tue Mar 14 2017 Trip spans 10 days
Delta
Delta
HLN
1:20a
ONT
5:38a
4h 18m
1 stop
ONT
2:00a
HLN
7:41a
5h 41m
1 stop
Depart: Mon Mar 20 2017 Return: Fri Mar 24 2017 Trip spans 5 days
Delta
Delta
HLN
1:54p
ONT
7:52p
5h 58m
1 stop
ONT
2:00a
HLN
7:41a
5h 41m
1 stop
Depart: Sun May 7 2017 Return: Tue May 9 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
7:38p
7h 52m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Mon Mar 13 2017 Return: Fri Mar 17 2017 Trip spans 5 days
Delta
Delta
HLN
2:20a
ONT
6:35a
4h 15m
1 stop
ONT
2:00a
HLN
7:41a
5h 41m
1 stop
Depart: Thu Mar 16 2017 Return: Sun Mar 19 2017 Trip spans 4 days
Delta
Delta
HLN
1:54p
ONT
7:51p
5h 57m
1 stop
ONT
2:00a
HLN
7:41a
5h 41m
1 stop
Depart: Fri Mar 17 2017 Return: Sun Mar 19 2017 Trip spans 3 days
Delta
Delta
HLN
1:54p
ONT
7:51p
5h 57m
1 stop
ONT
2:00a
HLN
7:41a
5h 41m
1 stop
Depart: Fri Mar 10 2017 Return: Mon Mar 20 2017 Trip spans 10 days
Delta
Delta
HLN
12:54p
ONT
6:51p
5h 57m
1 stop
ONT
2:00a
HLN
7:41a
5h 41m
1 stop
Depart: Sun Mar 12 2017 Return: Tue Mar 21 2017 Trip spans 10 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
6:52a
19h 06m
1 stop
ONT
1:30p
HLN
10:07a
20h 37m
1 stop
Depart: Tue Apr 18 2017 Return: Sun Apr 23 2017 Trip spans 6 days
Delta
Delta
HLN
9:12a
ONT
1:10p
3h 58m
1 stop
ONT
2:00a
HLN
7:37a
5h 37m
1 stop
Depart: Sat Mar 11 2017 Return: Tue Mar 21 2017 Trip spans 10 days
Alaska Airlines
Alaska Airlines
HLN
10:25a
ONT
5:52a
18h 27m
1 stop
ONT
1:30p
HLN
10:07a
20h 37m
1 stop
Depart: Sun Mar 26 2017 Return: Fri Mar 31 2017 Trip spans 6 days
Delta
Delta
HLN
1:54p
ONT
7:51p
5h 57m
1 stop
ONT
2:00a
HLN
7:41a
5h 41m
1 stop
Depart: Tue Mar 14 2017 Return: Wed Mar 15 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
6:54a
19h 08m
1 stop
ONT
1:30p
HLN
10:07a
20h 37m
1 stop
Depart: Sun Jul 2 2017 Return: Fri Jul 14 2017 Trip spans 13 days
Delta
Delta
HLN
3:35a
ONT
8:55a
5h 20m
1 stop
ONT
2:00a
HLN
7:30a
5h 30m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

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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.

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Airports
Origin

Helena
$244
Destination

Ontario
$244