Route Price Intelligence
Cheap Flights From Seattle to London Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$508
Deals From
$479
Usually Costs
$479 – $548
Lowest We've Seen
$276
Based on 228 price pointshigh confidence
Monthly Price Guide
Jan
$548
Feb
—
Mar
—
Apr
$998
May
$465
Jun
$468
Jul
$479
Aug
$479
Sep
$479
Oct
$494
Nov
$548
Dec
$548
Cheapest Average Expensive
Best Time to Fly from Seattle to London Ontario
The cheapest time to fly from Seattle to London Ontario is typically May, when fares average around $465. The most expensive month tends to be April at around $998. For the best deals, consider flying in May, June, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $30652 price checksWorst: $513