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

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

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 46% 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.

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 October 2025.

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$ 380 Cheap Flights from Montreal to Missouri in 2025/26

1 adult

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Find the cheapest flights from Montreal to Missouri

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:45 p.m. - 9:39 a.m.YUL-MCI

18h 54m1 stop

5:46 a.m. - 3:00 p.m.MCI-YUL

8h 14m1 stop

C$ 561American Airlines

Find Deal

Mon, 23 Feb - Fri, 27 Feb

6:45 a.m. - 5:46 p.m.YUL-MCI

12h 01m1 stop

6:30 a.m. - 4:27 p.m.MCI-YUL

32h 57m2 stops

C$ 609Multiple Airlines

Find Deal

Fri, 5 Dec - Mon, 8 Dec

6:26 p.m. - 11:44 p.m.YUL-STL

6h 18m1 stop

2:07 p.m. - 11:59 p.m.STL-YUL

8h 52m1 stop

C$ 716Delta

Find Deal

Mon, 1 Dec - Wed, 3 Dec

8:50 a.m. - 3:29 p.m.YUL-STL

7h 39m2 stops

4:05 p.m. - 11:22 p.m.STL-YUL

6h 17m1 stop

C$ 724Air Canada

Find Deal

Fri, 21 Nov - Mon, 24 Nov

6:26 p.m. - 11:44 p.m.YUL-STL

6h 18m1 stop

7:05 a.m. - 5:21 p.m.STL-YUL

9h 16m1 stop

C$ 737Delta

Find Deal

Mon, 17 Nov - Mon, 24 Nov

6:25 p.m. - 9:50 p.m.YUL-MCI

28h 25m1 stop

7:40 a.m. - 3:57 p.m.MCI-YUL

7h 17m1 stop

C$ 806United Airlines

Find Deal

Tue, 23 Dec - Sat, 27 Dec

7:00 a.m. - 2:21 p.m.YUL-MCI

8h 21m2 stops

6:43 p.m. - 1:28 p.m.MCI-YUL

17h 45m2 stops

C$ 817United Airlines

Find Deal

Wed, 12 Nov - Wed, 12 Nov

7:00 a.m. - 3:46 p.m.YUL-STL

9h 46m2 stops

3:14 p.m. - 12:32 a.m.STL-YUL

8h 18m2 stops

C$ 839Air Canada

Find Deal

Fri, 21 Nov - Mon, 24 Nov

6:45 a.m. - 5:09 p.m.YUL-STL

11h 24m2 stops

9:50 a.m. - 6:54 p.m.STL-YUL

8h 04m1 stop

C$ 932WestJet

Find Deal

Mon, 1 Dec - Wed, 3 Dec

6:45 a.m. - 8:58 a.m.YUL-STL

27h 13m2 stops

5:13 p.m. - 11:32 a.m.STL-YUL

17h 19m1 stop

C$ 981WestJet

Find Deal

Fri, 19 Dec - Sat, 3 Jan

WestJet flights from Montreal to Missouri

Our best WestJet deals on Montreal to Missouri flight tickets

WestJet

1 Dec

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

11h 24m

2 stops

STL5:09 p.m.Lambert-St Louis

3 Dec

STL9:50 a.m.Lambert-St Louis

8h 04m

1 stop

YUL6:54 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 932

Find similar

WestJet

19 Dec

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

27h 13m

2 stops

STL8:58 a.m.Lambert-St Louis

3 Jan

STL5:13 p.m.Lambert-St Louis

17h 19m

1 stop

YUL11:32 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 981

Find similar

WestJet

19 Dec

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

10h 21m

2 stops

STL4:06 p.m.Lambert-St Louis

3 Jan

STL6:29 a.m.Lambert-St Louis

15h 50m

1 stop

YUL11:19 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 982

Find similar

Delta flights from Montreal to Missouri

Our best Delta deals on Montreal to Missouri flight tickets

Delta

1 Dec

YUL6:26 p.m.Montreal Pierre Elliott Trudeau Intl

6h 18m

1 stop

STL11:44 p.m.Lambert-St Louis

3 Dec

STL2:07 p.m.Lambert-St Louis

8h 52m

1 stop

YUL11:59 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 716

Find similar

Delta

17 Nov

YUL6:26 p.m.Montreal Pierre Elliott Trudeau Intl

6h 18m

1 stop

STL11:44 p.m.Lambert-St Louis

24 Nov

STL7:05 a.m.Lambert-St Louis

9h 16m

1 stop

YUL5:21 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 737

Find similar

Delta

14 Nov

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

4h 46m

1 stop

STL9:46 a.m.Lambert-St Louis

16 Nov

STL9:33 a.m.Lambert-St Louis

6h 48m

1 stop

YUL5:21 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 758

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

3:45 p.m.-9:39 a.m.

1 stop18h 54m

Kansas City

Fri 27/2

5:46 a.m.-3:00 p.m.

1 stop8h 14m

C$ 561

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

6:45 a.m.-5:46 p.m.

1 stop12h 01m

Kansas City

Mon 8/12

6:30 a.m.-4:27 p.m.

2 stops32h 57m

C$ 609

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

6:26 p.m.-11:44 p.m.

1 stop6h 18m

Lambert-St Louis

Wed 3/12

2:07 p.m.-11:59 p.m.

1 stop8h 52m

C$ 716

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

8:50 a.m.-3:29 p.m.

2 stops7h 39m

Lambert-St Louis

Mon 24/11

4:05 p.m.-11:22 p.m.

1 stop6h 17m

C$ 724

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

6:26 p.m.-11:44 p.m.

1 stop6h 18m

Lambert-St Louis

Mon 24/11

7:05 a.m.-5:21 p.m.

1 stop9h 16m

C$ 737

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Tue 23/12

6:25 p.m.-9:50 p.m.

1 stop28h 25m

Kansas City

Sat 27/12

7:40 a.m.-3:57 p.m.

1 stop7h 17m

C$ 806

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

7:00 a.m.-2:21 p.m.

2 stops8h 21m

Kansas City

Wed 12/11

6:43 p.m.-1:28 p.m.

2 stops17h 45m

C$ 817

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

7:00 a.m.-3:46 p.m.

2 stops9h 46m

Lambert-St Louis

Mon 24/11

3:14 p.m.-12:32 a.m.

2 stops8h 18m

C$ 839

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

6:45 a.m.-5:09 p.m.

2 stops11h 24m

Lambert-St Louis

Wed 3/12

9:50 a.m.-6:54 p.m.

1 stop8h 04m

C$ 932

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 19/12

6:45 a.m.-8:58 a.m.

2 stops27h 13m

Lambert-St Louis

Sat 3/1

5:13 p.m.-11:32 a.m.

1 stop17h 19m

C$ 981

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 month to fly to Missouri?

The month of October is, on average, the cheapest month to fly to Missouri from Montreal, with most prices found around C$ 469. If you are unable to visit Missouri during the month of October, then departing from Montreal during the month February is also very affordable. Most momondo users find prices during this month for around C$ 571.

What is the cheapest day to depart on your flight to Missouri?

Our data shows that Wednesday is the least expensive day to fly to Missouri. Tickets to fly out on this day can be as low as C$ 584. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 672. These prices are subject to change though, so be sure to set up a Price Alert for flights to Missouri.

What is the cheapest time of day to depart on your flight to Missouri?

Our data shows that the cheapest Montreal to Missouri flights are usually those with departure times at noon. Our users have found flights to Missouri at noon for as low as C$ 600. In the morning is when there is more demand to fly to Missouri, so prices are often more expensive at around C$ 634 per ticket.

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 18% 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

Direct flights	None

There are no direct flights from Montreal to Missouri. There are no popular flight routes from Montreal to Missouri.

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 October 2025.
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 Canadair (Bombardier) Regional Jet 900 (86.21% of total bookings). The next most popular plane model is Airbus A220-300 (13.79%).

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
Delta	PriceFrom C$ 404	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
United Airlines	PriceFrom C$ 423	Free Cancellation	Rating 7.4 8,988 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 550	Free Cancellation	Rating 7.1 10,335 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 570	Free Cancellation	Rating 7.2 3,132 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.