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
$243
Usually Costs
$243 – $277
Lowest We've Seen
$133
Based on 4,432 price pointshigh confidence
Monthly Price Guide
Jan
$259
Feb
$259
Mar
$269
Apr
$215
May
$217
Jun
$238
Jul
$259
Aug
$259
Sep
$259
Oct
$259
Nov
$270
Dec
$288
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 $215. The most expensive month tends to be December at around $288. For the best deals, consider flying in April, May, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14074 price checksWorst: $180