Which airlines fly to Missouri?

WestJet, United Airlines and Air Canada are the top three most popular airlines that fly to Missouri from Montreal according to our data. WestJet is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Missouri. Keep in mind that there are 4 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Montreal to Missouri?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Montreal to Missouri

When did momondo last update prices for flights from Montreal to Missouri?

Prices for flights from Montreal to Missouri are refreshed on a daily basis.

How many operators does momondo search for flights from Montreal to Missouri?

There are 4 operators available for flights from Montreal to Missouri as of March 2026.

How old do you have to be to fly from Montreal to Missouri?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Missouri.

What documentation or ID do you need to fly to Missouri?

The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 276 Cheap Flights from Montreal to Missouri in 2026

1 adult

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Find the cheapest flights from Montreal to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 p.m. - 11:46 p.m.

YUL

STL

12h 16m

1 stop

4:30 p.m. - 11:44 a.m.

STL

YUL

18h 14m

1 stop

C$ 486American Airlines

Mon, 20 Apr - Sat, 25 Apr

12:30 p.m. - 11:46 p.m.

YUL

STL

12h 16m

1 stop

4:30 p.m. - 11:44 a.m.

STL

YUL

18h 14m

1 stop

C$ 506American Airlines

Mon, 20 Apr - Sat, 25 Apr

12:30 p.m. - 11:46 p.m.

YUL

STL

12h 16m

1 stop

8:03 p.m. - 11:44 a.m.

STL

YUL

14h 41m

1 stop

C$ 508American Airlines

Mon, 20 Apr - Sat, 25 Apr

12:30 p.m. - 10:17 p.m.

YUL

STL

10h 47m

1 stop

8:54 a.m. - 9:37 p.m.

STL

YUL

11h 43m

2 stops

C$ 520American Airlines

Mon, 20 Apr - Tue, 28 Apr

1:20 p.m. - 9:13 p.m.

YUL

STL

8h 53m

1 stop

8:21 a.m. - 6:56 p.m.

STL

YUL

9h 35m

1 stop

C$ 577United Airlines

Wed, 15 Apr - Sat, 18 Apr

6:45 a.m. - 6:50 a.m.

YUL

STL

25h 05m

2 stops

4:59 p.m. - 12:30 a.m.

STL

YUL

30h 31m

1 stop

C$ 578Multiple Airlines

Tue, 14 Apr - Mon, 20 Apr

6:45 a.m. - 10:30 a.m.

YUL

STL

28h 45m

2 stops

4:59 p.m. - 12:30 a.m.

STL

YUL

30h 31m

1 stop

C$ 601Multiple Airlines

Wed, 15 Apr - Tue, 21 Apr

6:00 a.m. - 1:23 p.m.

YUL

MCI

8h 23m

1 stop

3:06 p.m. - 11:57 p.m.

MCI

YUL

7h 51m

1 stop

C$ 724Delta

Tue, 12 May - Sat, 16 May

6:10 a.m. - 12:24 p.m.

YUL

MCI

7h 14m

1 stop

6:05 a.m. - 1:09 p.m.

MCI

YUL

6h 04m

1 stop

C$ 726United Airlines

Sat, 4 Apr - Tue, 7 Apr

7:00 a.m. - 3:04 p.m.

YUL

MCI

9h 04m

1 stop

2:10 p.m. - 11:08 p.m.

MCI

YUL

7h 58m

1 stop

C$ 747Delta

Thu, 9 Apr - Mon, 13 Apr

American Airlines flights from Montreal to Missouri

Our best American Airlines deals on Montreal to Missouri flight tickets

American Airlines

20 Apr

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

12h 16m

1 stop

STL11:46 p.m.Lambert-St Louis

25 Apr

STL4:30 p.m.Lambert-St Louis

18h 14m

1 stop

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 486

American Airlines

20 Apr

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

12h 16m

1 stop

STL11:46 p.m.Lambert-St Louis

25 Apr

STL4:30 p.m.Lambert-St Louis

18h 14m

1 stop

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 506

American Airlines

20 Apr

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

12h 16m

1 stop

STL11:46 p.m.Lambert-St Louis

25 Apr

STL8:03 p.m.Lambert-St Louis

14h 41m

1 stop

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 508

WestJet flights from Montreal to Missouri

Our best WestJet deals on Montreal to Missouri flight tickets

WestJet

23 Apr

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

4h 42m

1 stop

STL9:42 a.m.Lambert-St Louis

30 Apr

STL11:42 a.m.Lambert-St Louis

4h 58m

1 stop

YUL5:40 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 687

WestJet

13 Jun

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

4h 30m

1 stop

STL9:30 a.m.Lambert-St Louis

13 Jun

STL1:30 p.m.Lambert-St Louis

9h 26m

1 stop

YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 697

WestJet

29 May

YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl

14h 39m

2 stops

STL9:39 a.m.Lambert-St Louis

31 May

STL6:45 a.m.Lambert-St Louis

15h 28m

1 stop

YUL11:13 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 699

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

Lambert-St Louis

Sat 25/4

4:30 p.m.-11:44 a.m.

1 stop18h 14m

C$ 486

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

Lambert-St Louis

Sat 25/4

4:30 p.m.-11:44 a.m.

1 stop18h 14m

C$ 506

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

Lambert-St Louis

Sat 25/4

8:03 p.m.-11:44 a.m.

1 stop14h 41m

C$ 508

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

12:30 p.m.-10:17 p.m.

1 stop10h 47m

Lambert-St Louis

Tue 28/4

8:54 a.m.-9:37 p.m.

2 stops11h 43m

C$ 520

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

1:20 p.m.-9:13 p.m.

1 stop8h 53m

Lambert-St Louis

Sat 18/4

8:21 a.m.-6:56 p.m.

1 stop9h 35m

C$ 577

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

6:45 a.m.-6:50 a.m.

2 stops25h 05m

Lambert-St Louis

Mon 20/4

4:59 p.m.-12:30 a.m.

1 stop30h 31m

C$ 578

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

6:45 a.m.-10:30 a.m.

2 stops28h 45m

Lambert-St Louis

Tue 21/4

4:59 p.m.-12:30 a.m.

1 stop30h 31m

C$ 601

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

6:00 a.m.-1:23 p.m.

1 stop8h 23m

Kansas City

Sat 16/5

3:06 p.m.-11:57 p.m.

1 stop7h 51m

C$ 724

Quickest round-trip

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

6:10 a.m.-12:24 p.m.

1 stop7h 14m

Kansas City

Tue 7/4

6:05 a.m.-1:09 p.m.

1 stop6h 04m

C$ 726

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

7:00 a.m.-3:04 p.m.

1 stop9h 04m

Kansas City

Mon 13/4

2:10 p.m.-11:08 p.m.

1 stop7h 58m

C$ 747

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal to Missouri

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

Prices

Airlines

What is the cheapest Montreal to Missouri flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis for the best Montreal - Missouri flight prices

What cabin class options are available on Montreal to Missouri flights?

There is only 1 cabin class available to choose from on Montreal to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montreal to Missouri flights?

You could potentially save up to 55% on your flight if you consider stops on a Montreal to Missouri flight.

Cheap Montreal to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Missouri

Fastest flight time	2h 55m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Missouri	55 airports

The fastest flight from Montreal to Missouri takes 2h 55m

Direct flights go from Montreal to Missouri on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Air Canada.

There are 55 airports in Missouri. From Montreal there are direct flights to Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from Montreal to Missouri?
Prices for flights from Montreal to Missouri are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Missouri?
There are 4 operators available for flights from Montreal to Missouri as of March 2026.
How old do you have to be to fly from Montreal to Missouri?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Montreal to Missouri?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montreal to Missouri is Airbus A220-300 (66.67% of total bookings). The next most popular plane model is Canadair (Bombardier) Regional Jet 900 (33.33%).

Best airlines flying from Montreal to Missouri

Compare and see reviews for airlines that fly from Montreal to Missouri with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 423	Free Cancellation	Rating 7.4 9,413 reviews	Search United Airlines flights
Delta	PriceFrom C$ 429	Free Cancellation	Rating 7.9 8,278 reviews	Search Delta flights
Air Canada	PriceFrom C$ 588	Free Cancellation	Rating 7.1 10,800 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 609	Free Cancellation	Rating 7.2 3,288 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Missouri?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Missouri . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to Missouri with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Montreal to Missouri flights to just show those with flexible booking policies.

How can momondo help me find flights from Montreal to Missouri?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to Missouri.

I’m not ready to book a flight from Montreal to Missouri right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Missouri, momondo offers a useful price alert feature which will track prices for flights to Missouri from Montreal and alert you when they change.