Route Price Intelligence
Cheap Flights From Seattle to London Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$596
Deals From
$480
Usually Costs
$480 – $621
Lowest We've Seen
$276
Based on 2,442 price pointshigh confidence
Monthly Price Guide
Jan
$602
Feb
$601
Mar
$621
Apr
$956
May
$544
Jun
$535
Jul
$596
Aug
$479
Sep
$479
Oct
$601
Nov
$620
Dec
$621
Cheapest Average Expensive
Best Time to Fly from Seattle to London Ontario
The cheapest time to fly from Seattle to London Ontario is typically August, when fares average around $479. The most expensive month tends to be April at around $956. For the best deals, consider flying in August, September, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $30653 price checksWorst: $513