Flights from Montreal to St Louis
Pick a departure date to see flights and seller prices
We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.
Where to connect
Options with one connection, fastest first
- fastest, via Cleveland
- 6h 24m
- two tickets, via Chicago
- $277
- connection options
- 5
- straight-line distance
- 974 mi (1,568 km)
fastest
Via Cleveland
United States
6h 24m
with the connection
two ticketsfrom $717
Via Toronto
6h 45m
with the connection
Montreal to Toronto
flight 1h 32m
Connection of about 3h
Arrival: Hamilton, Pearson International, Toronto City Centre. Departure to St Louis: Pearson International.
Toronto to St Louis
flight 2h 13m
Via Detroit
United States
6h 55m
with the connection
Via Chicago
United States
7h 14m
with the connection
two ticketsfrom $277
Via New York
United States
7h 29m
with the connection
Montreal to New York
flight 1h 34m
Connection of about 3h
Arrival: LaGuardia, Newark Liberty International. Departure to St Louis: LaGuardia, Newark Liberty International.
New York to St Louis
flight 2h 55m
two ticketsfrom $301
One ticket or two
How the options are calculated and what to keep in mind at the connection
Flight times come from the nonstop schedule (estimated from the distance where there is no schedule), with 3h allowed for the connection. The price of an option is the sum of the lowest known fares for each leg; their dates may not match, so treat it as a guide. The search shows tickets for your dates, including connections on a single ticket.
Nearest nonstop flights
The closest you can get without a connection
From Montreal to cities closest to St Louis
Montreal to Chicago
Chicago: 262 mi (422 km) from St Louis, flight 2h 50m
from $187
Montreal to Cincinnati
Cincinnati: 308 mi (495 km) from St Louis, flight 3h 51m
from $372
Montreal to Detroit
Detroit: 455 mi (732 km) from St Louis, flight 2h 10m
from $334
Montreal to Atlanta
Atlanta: 467 mi (752 km) from St Louis, flight 3h 3m
Montreal to Cleveland
Cleveland: 492 mi (791 km) from St Louis, flight 1h 41m
from $347
Montreal to Dallas
Dallas: 548 mi (882 km) from St Louis, flight 4h 20m
from $163
To St Louis from cities closest to Montreal
Boston to St Louis
Boston: 250 mi (403 km) from Montreal, flight 3h 10m
from $173
Toronto to St Louis
Toronto: 314 mi (506 km) from Montreal, flight 2h 13m
New York to St Louis
New York: 332 mi (534 km) from Montreal, flight 2h 55m
from $141
Philadelphia to St Louis
Philadelphia: 393 mi (632 km) from Montreal, flight 2h 36m
from $320
Pittsburgh to St Louis
Pittsburgh: 478 mi (769 km) from Montreal, flight 1h 50m
from $141
Washington to St Louis
Washington: 490 mi (789 km) from Montreal, flight 2h 30m
Frequently asked questions
Is there a nonstop flight from Montreal to St Louis?
There are no nonstop flights in the schedule. You will need a connection, the fastest is via Cleveland.
What is the fastest way to fly from Montreal to St Louis?
Via Cleveland: 1h 41m to the connection, 1h 43m after it, about 6h 24m in total with 3h for the connection.
How much does a flight from Montreal to St Louis with a connection cost?
Two nonstop tickets via Chicago from $277. This is the sum of the lowest known prices for each leg, and their dates may not match.
Which cities can you connect in between Montreal and St Louis?
Cleveland (6h 24m total), Toronto (6h 45m total), Detroit (6h 55m total), Chicago (7h 14m total) and New York (7h 29m total).
How far is St Louis from Montreal?
974 mi (1,568 km) in a straight line between the cities.
How much time should I allow for the connection?
The options allow 3h. On a single ticket the carrier is responsible for the connection; on separate tickets you set the margin yourself, allowing time to collect and re-check your bags.