
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Alaska Airlines) |
One-way from | $55 (Kiwi.com) |
Popular in | November |
Cheapest in | October |
Average price | $223 |
Good round-trip deal | $187 or less |
Good one-way deal | $163 or less |
Fly from
Fly to
Route
Depart
Return
Price
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Mon 4/20
7:00 am-9:28 am
Nonstop2h 28m
Portland
Sat 4/25
9:30 pm-11:48 pm
Nonstop2h 18m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Sat 4/18
7:00 am-9:28 am
Nonstop2h 28m
Portland
Tue 4/21
5:58 pm-8:23 pm
Nonstop2h 25m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Thu 4/9
7:00 am-9:28 am
Nonstop2h 28m
Portland
Tue 4/21
5:58 pm-8:23 pm
Nonstop2h 25m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Sat 3/7
7:00 am-9:28 am
Nonstop2h 28m
Portland
Sun 3/8
9:30 pm-11:52 pm
Nonstop2h 22m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Wed 4/22
7:00 am-9:24 am
Nonstop2h 24m
Portland
Mon 4/27
9:30 pm-11:48 pm
Nonstop2h 18m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Sat 3/7
7:00 am-9:28 am
Nonstop2h 28m
Portland
Mon 3/9
9:30 pm-11:52 pm
Nonstop2h 22m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Thu 4/16
7:00 am-9:28 am
Nonstop2h 28m
Portland
Sat 4/18
5:58 pm-8:23 pm
Nonstop2h 25m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Sat 4/11
1:27 pm-8:48 pm
1 stop7h 21m
Portland
Sat 4/18
3:30 pm-10:45 pm
1 stop7h 15m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Thu 3/5
7:00 am-9:28 am
Nonstop2h 28m
Portland
Mon 3/9
9:30 pm-11:52 pm
Nonstop2h 22m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Sat 3/21
7:00 am-9:28 am
Nonstop2h 28m
Portland
Sat 3/28
5:58 pm-8:23 pm
Nonstop2h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Ontario to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from Ontario to Portland (average of $52). Flying from Ontario to Portland in December is currently the most expensive (average of $98). 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 Ontario to Portland at noon. Doing so could potentially save you 40% on the flight price compared to flying in the evening, which is usually more expensive.
Travelers seeking maximum savings on their Ontario to Portland flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jan 2026
STS - LAX
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$157 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$78 | Average$282 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$215 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$276 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$166 | Average$269 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$191 | Average$266 | FlexibilityNo cancel fee | On-time69% |