Route Price Intelligence
Cheap Flights From Portland to London Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$800
Deals From
$720
Usually Costs
$720 – $862
Lowest We've Seen
$370
Based on 3,096 price pointshigh confidence
Monthly Price Guide
Jan
$815
Feb
$815
Mar
$768
Apr
$1,183
May
$767
Jun
$836
Jul
$763
Aug
$714
Sep
$733
Oct
$792
Nov
$815
Dec
$892
Cheapest Average Expensive
Best Time to Fly from Portland to London Ontario
The cheapest time to fly from Portland to London Ontario is typically August, when fares average around $714. The most expensive month tends to be April at around $1,183. For the best deals, consider flying in August, September, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $41153 price checksWorst: $604