Route Price Intelligence
Cheap Flights From Seattle to London Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$556
Deals From
$507
Usually Costs
$507 – $620
Lowest We've Seen
$276
Based on 3,468 price pointshigh confidence
Monthly Price Guide
Jan
$602
Feb
$601
Mar
$621
Apr
$923
May
$544
Jun
$535
Jul
$529
Aug
$517
Sep
$529
Oct
$553
Nov
$601
Dec
$620
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 $517. The most expensive month tends to be April at around $923. For the best deals, consider flying in August, July, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $30660 price checksWorst: $513