How much is a flight from Ottawa to Saint Louis?

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

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 Ottawa - Saint Louis route.

Which airports are most convenient between Ottawa and Saint Louis?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Ottawa: Only Ottawa - McDonald Cartier is currently active.
• Airports in Saint Louis: Saint Louis - Lambert is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Choose the right flight for your trip from Ottawa to Saint Louis

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from eDreams, Expedia, and more.

Other popular destinations

Flying to United States? Many users also explore: Las Vegas, Los Angeles, Miami, New York City, Orlando.

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