How much is a ticket from Saint Louis to Ottawa?

Depending on when you travel and how far in advance you book, fares between Saint Louis and Ottawa can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Exploring all airports near Saint Louis and Ottawa

Checking all the airports available in the area can give you more departure and arrival options for your trip.

• Airports in Saint Louis: Saint Louis - Lambert is currently the only one operating.
• Airports in Ottawa: Ottawa - McDonald Cartier is the only option available right now.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

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

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 the best airlines and travel agencies.

Other popular destinations

Flying to Canada? Many users also explore: Calgary, Montreal, Quebec, Toronto, Vancouver.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.