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
$249
Usually Costs
$249 – $279
Lowest We've Seen
$133
Based on 8,572 price pointshigh confidence
Monthly Price Guide
Jan
$259
Feb
$259
Mar
$415
Apr
$201
May
$216
Jun
$259
Jul
$259
Aug
$259
Sep
$259
Oct
$259
Nov
$260
Dec
$279
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 $201. The most expensive month tends to be March at around $415. 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: $14087 price checksWorst: $180