Frontier's UpFront Plus offers empty middle seats for extra comfort.
Frontier Airlines offers Zone 1 boarding with carry-on purchase.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Cheapflightsfares) |
One-way from | $79 (Cheapflightsfares) |
Popular in | March |
Cheapest in | June |
Average price | $285 |
Good round-trip deal | $168 or less |
Good one-way deal | $122 or less |
Fly from
Fly to
Route
Depart
Return
Price
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Fri 5/23
2:19 pm-4:50 pm
Nonstop2h 31m
Portland
Mon 5/26
11:04 am-1:24 pm
Nonstop2h 20m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Tue 5/20
5:55 pm-8:26 pm
Nonstop2h 31m
Portland
Tue 5/27
9:41 pm-11:57 pm
Nonstop2h 16m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Wed 4/30
7:00 am-9:26 am
Nonstop2h 26m
Portland
Wed 5/7
9:42 pm-11:58 pm
Nonstop2h 16m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Thu 5/29
2:19 pm-4:50 pm
Nonstop2h 31m
Portland
Tue 6/3
7:00 am-9:17 am
Nonstop2h 17m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Tue 4/15
7:25 pm-12:02 am
1 stop4h 37m
Portland
Thu 4/17
5:05 am-11:59 am
1 stop6h 54m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Wed 4/30
6:20 am-10:25 am
1 stop4h 05m
Portland
Wed 5/7
6:45 am-10:10 am
1 stop3h 25m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Mon 4/21
5:45 am-10:40 am
1 stop4h 55m
Portland
Thu 4/24
5:15 pm-10:43 pm
1 stop5h 28m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Sat 5/3
1:45 pm-8:53 pm
1 stop7h 08m
Portland
Sun 5/4
7:54 am-12:24 pm
1 stop4h 30m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Sat 6/14
2:30 pm-4:55 pm
Nonstop2h 25m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Wed 5/28
5:55 pm-8:26 pm
Nonstop2h 31m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy- | 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 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, November is the cheapest month in which you can book a flight from Ontario to Portland (average of $277). Flying from Ontario to Portland in March is currently the most expensive (average of $370). 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 in the afternoon. Doing so could potentially save you 52% 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. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from ONT to PDX are scheduled on a Friday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).
In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.
If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Merlyn,Feb 2025
LAX - SMF
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$48 | Average$96 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$55 | Average$120 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$137 | Average$315 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$156 | Average$256 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$167 | Average$247 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$172 | Average$331 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$190 | Average$317 | FlexibilityNo cancel fee | On-time69% |