How much is a flight from Saint Louis to Ottawa?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Saint Louis and Ottawa.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Saint Louis - Ottawa route.

Flying between Saint Louis and Ottawa? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Saint Louis: Saint Louis has only one airport in service, Saint Louis - Lambert.
• Airports in Ottawa: The only active option is Ottawa - McDonald Cartier.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Saint Louis airports in a single search.

Find flights from Saint Louis to Ottawa that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in Canada? These cities are also in demand: Calgary, Montreal, Quebec, Toronto, Vancouver.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.