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Cheap flights from St Louis (STL) to Ottawa (YOW)

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STL - YOW
Price
$311 - $470
YOW
Temperature
24.8 - 80.6 °F
YOW
Rainfall
2.1 - 3.8 inches
Popular in October High demand for flights, 21% potential price rise
Cheapest in January Best time to find cheap flights, 16% potential price drop
Average price $336 Average for round-trip flights in March 2020
Round-trip from $311 From St Louis to Ottawa

St Louis to Ottawa 2020 flight deals

Cheap flights to Ottawa from St Louis found for this year
2 Jul - 16 Jul
$690pp
STL
Lambert-St Louis
Delta
   
2 STOPS
YOW
Ottawa
YOW
Ottawa
Delta
   
2 STOPS
STL
Lambert-St Louis

Alternative routes for St Louis to Ottawa

Destination information for Ottawa

Things to know before you go. Useful info for your trip from St Louis to Ottawa
Today's exchange rate
$1.00 = C$ 1.44
Average temperature for March in Ottawa
37.4 °F
Avg rainfall for March in Ottawa
2.8 ″

Airports servicing St. Louis

Airports servicing Ottawa

Related info for your journey

Useful info, stats and facts about St Louis to Ottawa flights.

Flight FAQs

From St Louis to Ottawa

Are flight prices decreasing from St Louis to Ottawa due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Ottawa for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Does it rain more in St Louis or Ottawa?

The rainfall in St Louis is generally less than the rainfall in Ottawa. This will continue over the next 15 days.

Is St Louis weather warmer or cooler than Ottawa?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Ottawa is generally colder than in St Louis.