Route Price Intelligence
Cheap Flights From St. Louis to Ottawa
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$411
Deals From
$366
Usually Costs
$366 – $431
Lowest We've Seen
$314
Based on 7,954 price pointshigh confidence
Monthly Price Guide
Jan
$433
Feb
$356
Mar
$355
Apr
$347
May
$379
Jun
$403
Jul
$431
Aug
$403
Sep
$420
Oct
$420
Nov
$420
Dec
$420
Cheapest Average Expensive
Best Time to Fly from St. Louis to Ottawa
The cheapest time to fly from St. Louis to Ottawa is typically April, when fares average around $347. The most expensive month tends to be January at around $433. For the best deals, consider flying in April, March, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $31457 price checksWorst: $381