Skyscanner

Cheap Flights from St Louis to Montreal

Compare St Louis to Montreal flight deals

Find the cheapest month or even day of the year to fly to Montreal

Book the best Montreal fare with no extra fees

Find the cheapest month to fly from St Louis to Montreal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Montreal flights are currently cheapest in December.
Oct
Find prices
Nov
from Rp 2.617.784
Dec
from Rp 2.203.721
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
Find prices
Jul
Find prices
Aug
Find prices
Sep
Find prices

Direct flights from St Louis to Montreal

Alternative St Louis to Montreal routes

Looking for the cheapest, fastest or easiest route from St Louis to Montreal? You could fly into the following airports instead.

St Louis to Montreal: Flight information

The things to know before you go.
Cheapest flight foundRp 2.203.721
Cheapest month to flyDecember
Average flight time2 hrs, 35 mins
Most popular airlineAir Canada
Average flights per week21

Finding cheap flights from St Louis to Montreal: Frequently asked questions

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.
The best price we found for a return flight from St Louis to Montreal is Rp 9.286.412. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 35 minutes is the average flight time from St Louis to Montreal.
Air Canada, United and PAL Airlines fly direct from St Louis to Montreal.
As of October 2024, there are 21 flights per week flying from St Louis to Montreal.
The cheapest month to fly from St Louis to Montreal is usually October 2024.
If you're flying from St Louis Airport, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the centre of Montreal. We've found flights into this airport from Rp 9.286.412.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Montreal on Thursday, 28 November 2024.
Yes – the average flight time is 2 hours and 35 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Montreal but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Montreal is around 40 days in advance, so don’t leave your flight to the last minute.
In October, the average temperature is usually around 8°C. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.
Currently, Delta offers the cheapest flight tickets to Montreal.

How to find cheap flights to Montreal from St Louis

Looking for cheap tickets from St Louis to Montreal? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from St Louis to Montreal. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Montreal from St Louis from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best St Louis-Montreal ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Montreal from St Louis.
  • Set up a Price Alert. You can easily track the fare of your cheap St Louis-Montreal flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between St Louis and Montreal? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from St Louis and Montreal. We scour the internet for the best Business, Premium Economy and First Class flight fares to Montreal, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for St Louis to Montreal flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Montreal from St Louis with hotels and car hire

    Once you've secured your cheap flight ticket from St Louis to Montreal, discover the best prices and exclusive rates for hotels in Montreal or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from St Louis to Montreal

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.