Flights North America Canada Quebec Montreal St. Louis to Montreal

Cheap flights from St. Louis to Montreal

Round-trip
Economy
St. Louis (STL)
Montreal (YMQ)
Thu 12/24
Thu 12/31
Any month
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Flight information for St. Louis to Montreal
(STL to YMQ)

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Montreal
Best Price Found $236 The best flight deal from St. Louis to Montreal found on momondo in the last 72 hours is $236
Fastest flight time 4h 40m The fastest flight from St. Louis to Montreal takes 4h 40m.
Direct flights None There are no direct flights from St. Louis to Montreal. Popular non-direct route for this connection is Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl.
Airports in Montreal 2 airports There are 2 airports near Montreal: Montreal Pierre Elliott Trudeau Intl (YUL), Montreal St Hubert (YHU)

How to get the cheapest flight ticket from St. Louis to Montreal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Montreal?
March
The cheapest time of year to fly to Montreal from St. Louis is March. Most expensive is October
What is the cheapest day to fly to Montreal?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly to Montreal?
in the afternoon
St. Louis to Montreal flights are approximately 16% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to Montreal?
United Airlines
United Airlines, Delta, and American Airlines are the most popular carriers operating from St. Louis to Montreal
What is the cheapest route?
Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl
Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl for the best St. Louis - Montreal flight prices
STL
Lambert-St Louis
YUL
Montreal Pierre Elliott Trudeau Intl
When is the cheapest time to book a flight to Montreal?
33 days before
The cheapest time to buy a flight from St. Louis to Montreal is approximately 33 days to departure
60
Days before departure
0

Easily compare round-trip flights from St. Louis to Montreal

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Montreal by changing tabs
Cheapest
Best
Quickest
Multiple Airlines
Mar 1
STL
Lambert-St Louis
6h 49m
1 stop
YUL
Montreal Pierre Elliott Trudeau Intl
Mar 8
YUL
Montreal Pierre Elliott Trudeau Intl
5h 09m
1 stop
STL
Lambert-St Louis
Air Canada
Feb 15
STL
Lambert-St Louis
5h 49m
1 stop
YUL
Montreal Pierre Elliott Trudeau Intl
Feb 17
YUL
Montreal Pierre Elliott Trudeau Intl
6h 09m
1 stop
STL
Lambert-St Louis
American Airlines
Jan 3
STL
Lambert-St Louis
17h 02m
1 stop
YUL
Montreal Pierre Elliott Trudeau Intl
Jan 17
YUL
Montreal Pierre Elliott Trudeau Intl
5h 37m
1 stop
STL
Lambert-St Louis

Which airlines flying from Lambert-St Louis to Montreal have COVID-19 safety policies in place?

Many airlines have put safety measures in place to reduce the spread of COVID-19. One is Delta. When flying from Lambert-St Louis to Montreal, expect masks to be provided - they are required onboard. Aircrafts are also being cleaned thoroughly with enhanced products regularly. Additional policies include the installation of HEPA filters and pre-flight testing. Some airlines are even offering socially-distanced seating for a limited time. Keep in mind that policies will vary by airline.

Are airlines flying from Lambert-St Louis to Montreal offering flexible cancellation due to COVID-19?

Some of our partner airlines flying from Lambert-St Louis to Montreal are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are American Airlines, Delta, and Air Canada. You can search for the full list of airlines like American Airlines that are offering this flexibility.


Flights from St. Louis to:

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