How much is a ticket from Saint Louis to Montreal Trudeau?

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

The lowest fare seen in the past 15 days was Can$450.

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.

Are there multiple airports in Saint Louis and Montreal?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Saint Louis: Only Saint Louis - Lambert operates in this city.
• Airports in Montreal: 2 airports are available in Montreal - Saint-Hubert, Trudeau International.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Refine your flight search from Saint Louis to Montreal Trudeau

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at Canada? These cities are trending: Calgary, Edmonton, Montreal, Toronto, Vancouver.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.