Route Price Intelligence
Cheap Flights From Portland to Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$237
Deals From
$219
Usually Costs
$219 – $243
Lowest We've Seen
$133
Based on 8,148 price pointshigh confidence
Monthly Price Guide
Jan
$303
Feb
$202
Mar
$167
Apr
$157
May
$209
Jun
$237
Jul
$237
Aug
$237
Sep
$237
Oct
$237
Nov
$237
Dec
$237
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 $157. The most expensive month tends to be January at around $303. For the best deals, consider flying in April, March, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13358 price checksWorst: $160