Find Cheap 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: Tue Jul 11 2017 Return: Fri Jul 14 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
HLN
11:47a
ONT
7:16p
7h 29m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Thu Jul 13 2017 Return: Sun Jul 23 2017 Trip spans 11 days
Delta
Delta
HLN
2:35a
ONT
6:40a
4h 05m
1 stop
ONT
2:30p
HLN
6:30p
4h 00m
1 stop
Depart: Thu Jul 6 2017 Return: Tue Jul 18 2017 Trip spans 13 days
Alaska Airlines
Alaska Airlines
HLN
11:47a
ONT
7:16p
7h 29m
1 stop
ONT
2:20a
HLN
10:14a
7h 54m
1 stop
Depart: Thu Aug 10 2017 Return: Sun Aug 13 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
HLN
11:49a
ONT
7:18p
7h 29m
1 stop
ONT
8:00a
HLN
10:14a
26h 14m
1 stop
Depart: Wed Jul 5 2017 Return: Tue Jul 18 2017 Trip spans 14 days
Alaska Airlines
Alaska Airlines
HLN
11:47a
ONT
1:17p
25h 30m
1 stop
ONT
2:20a
HLN
10:14a
7h 54m
1 stop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
Delta
Delta
HLN
1:59p
ONT
7:58p
5h 59m
1 stop
ONT
6:13a
HLN
12:28p
6h 15m
1 stop
Depart: Fri Aug 11 2017 Return: Sun Aug 13 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
HLN
11:49a
ONT
7:18p
7h 29m
1 stop
ONT
2:20a
HLN
10:14a
7h 54m
1 stop
Depart: Thu May 4 2017 Return: Tue May 9 2017 Trip spans 6 days
Delta
Delta
HLN
9:10a
ONT
1:11p
4h 01m
1 stop
ONT
12:46p
HLN
4:44p
3h 58m
1 stop
Depart: Fri Jul 7 2017 Return: Tue Jul 18 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
HLN
11:47a
ONT
7:16p
7h 29m
1 stop
ONT
2:20a
HLN
10:14a
7h 54m
1 stop
Depart: Fri Jul 14 2017 Return: Sat Jul 22 2017 Trip spans 9 days
Delta
Delta
HLN
1:54p
ONT
7:39p
5h 45m
1 stop
ONT
9:00a
HLN
1:58p
4h 58m
1 stop
Depart: Sun Jun 11 2017 Return: Mon Jun 19 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
HLN
11:47a
ONT
7:16p
7h 29m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Tue Jul 18 2017 Return: Sat Jul 22 2017 Trip spans 5 days
Delta
Delta
HLN
2:35a
ONT
6:40a
4h 05m
1 stop
ONT
9:00a
HLN
1:58p
4h 58m
1 stop
Depart: Tue Jul 4 2017 Return: Tue Jul 18 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
HLN
11:47a
ONT
1:17p
25h 30m
1 stop
ONT
2:20a
HLN
10:14a
7h 54m
1 stop
Depart: Wed Jul 19 2017 Return: Sun Jul 23 2017 Trip spans 5 days
Delta
Delta
HLN
2:35a
ONT
6:40a
4h 05m
1 stop
ONT
2:30p
HLN
6:30p
4h 00m
1 stop
Depart: Fri May 5 2017 Return: Tue May 16 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
HLN
11:46a
ONT
7:41p
7h 55m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Fri May 12 2017 Return: Sun May 14 2017 Trip spans 3 days
Delta
Delta
HLN
1:59p
ONT
7:58p
5h 59m
1 stop
ONT
2:00a
HLN
7:35a
5h 35m
1 stop
Depart: Mon May 8 2017 Return: Wed May 10 2017 Trip spans 3 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: Mon Jul 17 2017 Return: Sun Jul 23 2017 Trip spans 7 days
Delta
Delta
HLN
1:54p
ONT
7:39p
5h 45m
1 stop
ONT
2:30p
HLN
6:30p
4h 00m
1 stop
Depart: Sun Jun 18 2017 Return: Fri Jun 23 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
HLN
11:47a
ONT
7:16p
7h 29m
1 stop
ONT
2:20a
HLN
10:11a
7h 51m
1 stop
Depart: Sat Jul 15 2017 Return: Tue Jul 25 2017 Trip spans 11 days
Delta
Delta
HLN
2:35a
ONT
8:48a
6h 13m
1 stop
ONT
2:30p
HLN
6:30p
4h 00m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$413
Destination

Ontario
$413