How much is a flight from Saint Louis to Montreal?

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

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 - Montreal route.

Planning flights between Saint Louis and Montreal? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Saint Louis: Saint Louis - Lambert is the only airport in this city.
• Airports in Montreal: Montreal features 2 airports - Saint-Hubert, Trudeau International.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Find the best flight from Saint Louis to Montreal

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from Delta, American, United, and more.

Other popular destinations

Searching for flights to Canada? Travelers also looked at: Calgary, Halifax, Montreal, Toronto, Vancouver.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Saint Louis – Montreal flights.