Route Price Intelligence
Cheap Flights From Portland to Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$217
Great Deal
Under $137
Typical Range
$137 – $266
Lowest We've Seen
$133
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$137
Feb
$137
Mar
$217
Apr
$217
May
$217
Jun
$250
Jul
$259
Aug
$217
Sep
$217
Oct
$217
Nov
$199
Dec
$165
Cheapest Average Expensive
Best Time to Fly from Portland to Ontario
The cheapest time to fly from Portland to Ontario is typically January, when fares average around $137. The most expensive month tends to be July at around $259. For the best deals, consider flying in January, February, December.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: November5,956 fares analyzedTypical low: $259
Planning Los Angeles?
Best months to go, what a day on the ground costs, and the tours worth booking.
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