
| Most accurate provider | CheapOair 3 stars | 
|---|---|
| Most trusted provider | CheapOair 3 stars | 
| Round-trip from | $116 (Frontier) | 
| One-way from | $61 (Frontier) | 
| Popular in | November | 
| Cheapest in | January | 
| Average price | $199 | 
| Good round-trip deal | $177 or less | 
| Good one-way deal | $117 or less | 
Fly from
Fly to
Route
Depart
Return
Price
BoiseOntario
BOI - ONT
BOIONT
Boise Air Term. Gowen Fld
Mon 1/5
9:46 pm-8:13 pm
1 stop23h 27m
Ontario
Sun 1/11
6:00 am-11:59 am
1 stop28h 59m
BoiseOntario
BOI - ONT
BOIONT
Boise Air Term. Gowen Fld
Sat 3/7
5:45 pm-9:52 pm
1 stop5h 07m
Ontario
Wed 3/11
11:55 am-6:25 pm
1 stop5h 30m
BoiseOntario
BOI - ONT
BOIONT
Boise Air Term. Gowen Fld
Tue 2/10
6:09 pm-7:16 pm
Nonstop2h 07m
Ontario
Sun 2/22
6:22 pm-9:39 pm
Nonstop2h 17m
BoiseOntario
BOI - ONT
BOIONT
Boise Air Term. Gowen Fld
Sat 1/10
6:09 pm-7:16 pm
Nonstop2h 07m
Ontario
Mon 1/12
7:56 pm-10:57 pm
Nonstop2h 01m
PortlandOntario
PDX - ONT
PDXONT
Portland
Sat 1/24
3:52 pm-10:53 pm
1 stop7h 01m
Ontario
Mon 1/26
6:00 am-12:33 pm
1 stop6h 33m
BoiseOntario
BOI - ONT
BOIONT
Boise Air Term. Gowen Fld
Sat 12/6
11:44 am-5:08 pm
1 stop6h 24m
Ontario
Mon 12/8
12:40 pm-8:20 pm
1 stop6h 40m
PortlandOntario
PDX - ONT
PDXONT
Portland
Thu 2/19
2:35 pm-4:53 pm
Nonstop2h 18m
Ontario
Wed 2/25
7:00 am-9:24 am
Nonstop2h 24m
BoiseOntario
BOI - ONT
BOIONT
Boise Air Term. Gowen Fld
Mon 1/5
5:10 pm-10:29 pm
1 stop6h 19m
Ontario
Sat 1/10
7:30 am-4:22 pm
1 stop7h 52m
PortlandOntario
PDX - ONT
PDXONT
Portland
Thu 12/4
10:30 am-12:46 pm
Nonstop2h 16m
Ontario
Sat 12/6
7:10 am-9:41 am
Nonstop2h 31m
PortlandOntario
PDX - ONT
PDXONT
Portland
Wed 12/10
6:40 am-1:15 pm
1 stop6h 35m
Ontario
Thu 12/11
5:55 am-10:50 am
1 stop4h 55m
Currently, January is the cheapest month in which you can book a flight from Oregon to Ontario (average of $48). Flying from Oregon to Ontario in June is currently the most expensive (average of $83). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Oregon to Ontario in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Oregon to Ontario flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$65 | Average$149 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$93 | Average$331 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$238 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$158 | Average$343 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$342 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$173 | Average$312 | FlexibilityNo cancel fee | On-time63% |