Route Price Intelligence
Cheap Flights From Portland to Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$259
Deals From
$239
Usually Costs
$239 – $279
Lowest We've Seen
$133
Based on 8,769 price pointshigh confidence
Monthly Price Guide
Jan
$259
Feb
$259
Mar
$417
Apr
$185
May
$216
Jun
$265
Jul
$260
Aug
$259
Sep
$259
Oct
$259
Nov
$260
Dec
$273
Cheapest Average Expensive
Best Time to Fly from Portland to Ontario
The cheapest time to fly from Portland to Ontario is typically April, when fares average around $185. The most expensive month tends to be March at around $417. For the best deals, consider flying in April, May, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13384 price checksWorst: $180