Question 1

How long does a flight from Montreal to St. Louis take?

Accepted Answer

The average direct flight takes 2h 47m, covering a distance of 2,504 km.

Question 2

How many flights are there between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis per day?

Accepted Answer

There is a maximum of 1 nonstop flight a day that takes off from Montreal Pierre Elliott Trudeau Intl Airport and lands in St. Louis, with an average flight time of 2h 47m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 7 flights.

Question 3

How many flights are there between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis per day?

Accepted Answer

There is a maximum of 1 nonstop flight a day that takes off from Montreal Pierre Elliott Trudeau Intl Airport and lands in St. Louis, with an average flight time of 2h 47m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 7 flights.

Question 4

What is the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

Accepted Answer

In the last 5 days, the lowest price for a flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis was C$ 326 for a one-way ticket and C$ 586 for a round-trip.

Question 5

What’s the earliest departure time from Montreal to St. Louis?

Accepted Answer

Early birds can take the earliest flight from Montreal Pierre Elliott Trudeau Intl Airport at 4:55 pm and will be landing in St. Louis at 6:42 pm.

Question 6

What’s the latest departure time from Montreal to St. Louis?

Accepted Answer

If you prefer to fly at night, the latest flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis jets off at 4:55 pm and lands at 6:42 pm.

Question 7

Which airlines fly direct between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis?

Accepted Answer

There is just one airline that flies from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis direct and that is Air Canada. The best round-trip deal found from Air Canada for the route is C$ 566.

Question 8

Which airlines fly direct between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis?

Accepted Answer

There is just one airline that flies from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis direct and that is Air Canada. The best round-trip deal found from Air Canada for the route is C$ 566.

Question 9

Which aircraft models fly most regularly from Montreal to St. Louis?

Accepted Answer

The Airbus A220-300 is the aircraft model that flies most regularly on the Montreal to St. Louis flight route.

Question 10

Which airline alliances offer flights from Montreal to St. Louis?

Accepted Answer

Star Alliance is the only airline alliance operating flights between Montreal and St. Louis.

Question 11

On which days can I fly direct from Montreal to St. Louis?

Accepted Answer

There are direct flights from Montreal to St. Louis on a daily basis.

Question 12

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

Accepted Answer

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis is November, where tickets cost C$ 760 (return) on average. On the other hand, the most expensive months are January and December, where the average cost of round-trip tickets is C$ 1,247 and C$ 1,092 respectively.

Question 13

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

Accepted Answer

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis is November, where tickets cost C$ 760 (return) on average. On the other hand, the most expensive months are January and December, where the average cost of round-trip tickets is C$ 1,247 and C$ 1,092 respectively.

Question 14

How does KAYAK find such low prices on flights from Montreal to St. Louis?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montreal to St. Louis.

Question 15

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montreal to St. Louis?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Montreal is likely to change within 7 days, so travellers know whether to wait or book now.

Question 16

What is the Hacker Fare option on flights from Montreal to St. Louis?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Montreal with another airline.

Question 17

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montreal to St. Louis?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Montreal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 18

What is the cheapest layover airport when flying from Montreal to St. Louis?

Accepted Answer

Flights via Toronto (YYZ) offer the most affordable fares, with an average round-trip price of C$ 944.

Question 19

What is the most popular layover airport when flying from Montreal to St. Louis?

Accepted Answer

Toronto (YYZ) is the top choice – 62% of KAYAK users who clicked on one-stop flights from Montreal to St. Louis picked an itinerary connecting there.

Question 20

Which layover airport has the quickest connection when flying from Montreal to St. Louis?

Accepted Answer

If you prefer a quick connection, Detroit (DTW) often has the shortest layovers from Montreal to St. Louis, with an average of 0h 52m.

Question 21

Which layover airport offers the shortest total travel time from Montreal to St. Louis?

Accepted Answer

Consider flying via Detroit (DTW) for the shortest journey. The average one-way travel time for flights connecting there is 4h 40m.

Question 22

Which cabin class options are there for flights between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis?

Accepted Answer

There are 2 cabin class options for the route. These are Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 23

Which cabin class options are there for flights between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis?

Accepted Answer

There are 2 cabin class options for the route. These are Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 24

Which airlines provide the cheapest flights from Montreal to St. Louis?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Montreal to St. Louis were found on American Airlines (C$ 586) and Air Canada (C$ 702).

Question 25

Which airlines provide the cheapest flights from Montreal to St. Louis?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Montreal to St. Louis were found on American Airlines (C$ 586) and Air Canada (C$ 702).

Question 26

Can I save money by flying with a layover from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

Accepted Answer

No, with an average price for the route of C$ 793, prices are generally cheapest when you fly direct.

Question 27

Can I save money by flying with a layover from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

Accepted Answer

No, with an average price for the route of C$ 793, prices are generally cheapest when you fly direct.

Question 28

How much is a round-trip flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

Accepted Answer

Flight prices are below average for this route right now.Flights to St. Louis from Montreal Pierre Elliott Trudeau Intl Airport usually cost between C$ 620 and C$ 1,107 in September.
The lowest price found in the past 5 days was C$ 586 on American Airlines (2 Sep–9 Sep).

Low season	January
High season	August
Cheapest flight	C$ 326

YUL - STL

C$ 326 Find Cheap Flights from Montreal to St. Louis – Compare and Save

Everything you should know

Cheap Flights from Montreal to St. Louis (YUL-STL)

Recent round-trip flight deals from Montreal to St. Louis

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KAYAK's insights & trends for Montreal to St. Louis flights

How much is a round-trip flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

Can I save money by flying with a layover from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?

Which airlines provide the cheapest flights from Montreal to St. Louis?

Which airlines fly direct between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis?

What is the most popular layover airport when flying from Montreal to St. Louis?

What is the cheapest layover airport when flying from Montreal to St. Louis?

Which layover airport offers the shortest total travel time from Montreal to St. Louis?

Which layover airport has the quickest connection when flying from Montreal to St. Louis?

Which cabin class options are there for flights between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis?

How many flights are there between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis per day?

How long does a flight from Montreal to St. Louis take?

What’s the earliest departure time from Montreal to St. Louis?

What’s the latest departure time from Montreal to St. Louis?

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