What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Saint Lucia?

United Airlines and Air Canada are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Saint Lucia

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?

As of October 2026, there is 1 operator available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The travel and health documents required for your trip to Saint Lucia 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 Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 249 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:35 p.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

18h 05m2 stops Ottawa Toronto Pearson Intl

5:35 p.m. - 8:53 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

28h 18m2 stops Toronto Pearson Intl Ottawa

C$ 548Air Canada

Sun, 29 Nov - Wed, 2 Dec

9:35 p.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

18h 05m2 stops Ottawa Toronto Pearson Intl

5:35 p.m. - 10:00 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

29h 25m1 stop Toronto Pearson Intl

C$ 548Air Canada

Sun, 29 Nov - Wed, 2 Dec

5:00 a.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

10h 40m1 stop Toronto Pearson Intl

5:35 p.m. - 8:25 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

15h 50m1 stop Toronto Pearson Intl

C$ 550Air Canada

Sun, 29 Nov - Wed, 2 Dec

7:10 a.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

8h 30m1 stop Toronto Pearson Intl

5:35 p.m. - 10:03 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

41h 28m2 stops Toronto Pearson Intl Ottawa

C$ 606Air Canada

Sun, 29 Nov - Wed, 2 Dec

8:50 a.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 50m2 stops Ottawa Toronto Pearson Intl

5:35 p.m. - 10:03 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

17h 28m2 stops Toronto Pearson Intl Ottawa

C$ 606Air Canada

Tue, 8 Dec - Fri, 11 Dec

7:10 a.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

8h 30m1 stop Toronto Pearson Intl

5:35 p.m. - 9:25 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

16h 50m1 stop Toronto Pearson Intl

C$ 606Air Canada

Wed, 9 Dec - Thu, 10 Dec

9:35 p.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

42h 05m2 stops Ottawa Toronto Pearson Intl

5:35 p.m. - 10:03 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

17h 28m2 stops Toronto Pearson Intl Ottawa

C$ 606Air Canada

Mon, 7 Dec - Fri, 11 Dec

9:35 p.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

42h 05m2 stops Ottawa Toronto Pearson Intl

5:35 p.m. - 9:25 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

16h 50m1 stop Toronto Pearson Intl

C$ 606Air Canada

Mon, 7 Dec - Fri, 11 Dec

7:05 a.m. - 3:07 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

31h 02m1 stop Charlotte Douglas

4:07 p.m. - 12:23 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

21h 16m2 stops Charlotte Douglas Philadelphia

C$ 614American Airlines

Thu, 12 Nov - Wed, 18 Nov

7:05 a.m. - 3:07 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

31h 02m1 stop Charlotte Douglas

4:07 p.m. - 12:23 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

21h 16m2 stops Charlotte Douglas Philadelphia

C$ 615American Airlines

Thu, 12 Nov - Wed, 18 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

5:34 p.m. - 1:42 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

20h 08m2 stops Chicago O'Hare Intl Miami

4:04 p.m. - 2:43 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 39m2 stops Miami Dallas/Fort Worth

C$ 564American Airlines

Mon, 19 Oct - Wed, 21 Oct

2:30 p.m. - 1:42 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

23h 12m2 stops Charlotte Douglas Miami

3:20 p.m. - 1:50 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 30m1 stop Charlotte Douglas

C$ 1,319American Airlines

Sun, 18 Oct - Fri, 23 Oct

5:34 p.m. - 3:04 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

21h 30m2 stops Chicago O'Hare Intl Miami

4:04 p.m. - 12:26 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

20h 22m2 stops Miami Philadelphia

C$ 1,325American Airlines

Sun, 18 Oct - Fri, 23 Oct

5:34 p.m. - 3:04 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

21h 30m2 stops Chicago O'Hare Intl Miami

2:42 p.m. - 11:44 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

21h 02m2 stops Miami Chicago O'Hare Intl

C$ 1,719American Airlines

Tue, 20 Oct - Sat, 24 Oct

6:50 p.m. - 2:12 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

19h 22m1 stop Atlanta Hartsfield-Jackson

3:32 p.m. - 6:58 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

27h 26m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

C$ 2,078Delta

Mon, 19 Oct - Wed, 21 Oct

6:50 p.m. - 2:12 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

19h 22m1 stop Atlanta Hartsfield-Jackson

3:32 p.m. - 11:57 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

20h 25m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

C$ 2,089Delta

Tue, 20 Oct - Sat, 24 Oct

5:00 a.m. - 1:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

8h 40m1 stop Toronto Pearson Intl

3:10 p.m. - 1:51 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

10h 41m1 stop Toronto Pearson Intl

C$ 2,879Multiple Airlines

Sun, 18 Oct - Fri, 23 Oct

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Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flight tickets

Air Canada

29 Nov

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

18h 05m

2 stops

UVF4:40 p.m.Castries Hewanorra

2 Dec

UVF5:35 p.m.Castries Hewanorra

28h 18m

2 stops

YUL8:53 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 548

Air Canada

29 Nov

YUL5:00 a.m.Montreal Pierre Elliott Trudeau Intl

10h 40m

1 stop

UVF4:40 p.m.Castries Hewanorra

2 Dec

UVF5:35 p.m.Castries Hewanorra

15h 50m

1 stop

YUL8:25 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 550

Air Canada

8 Dec

YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl

23h 30m

1 stop

UVF4:40 p.m.Castries Hewanorra

11 Dec

UVF5:35 p.m.Castries Hewanorra

22h 50m

1 stop

YUL3:25 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 606

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flight tickets

American Airlines

19 Oct

YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl

20h 08m

2 stops

UVF1:42 p.m.Castries Hewanorra

21 Oct

UVF4:04 p.m.Castries Hewanorra

22h 39m

2 stops

YUL2:43 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 564

American Airlines

12 Nov

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

31h 02m

1 stop

UVF3:07 p.m.Castries Hewanorra

18 Nov

UVF4:07 p.m.Castries Hewanorra

21h 16m

2 stops

YUL12:23 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 614

American Airlines

12 Nov

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

31h 02m

1 stop

UVF3:07 p.m.Castries Hewanorra

18 Nov

UVF4:07 p.m.Castries Hewanorra

21h 16m

2 stops

YUL12:23 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 615

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 29/11

9:35 p.m.-4:40 p.m.

2 stops18h 05m

Castries Hewanorra

Wed 2/12

5:35 p.m.-8:53 p.m.

2 stops28h 18m

C$ 548

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 29/11

9:35 p.m.-4:40 p.m.

2 stops18h 05m

Castries Hewanorra

Wed 2/12

5:35 p.m.-10:00 p.m.

1 stop29h 25m

C$ 548

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 29/11

5:00 a.m.-4:40 p.m.

1 stop10h 40m

Castries Hewanorra

Wed 2/12

5:35 p.m.-8:25 a.m.

1 stop15h 50m

C$ 550

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 29/11

7:10 a.m.-4:40 p.m.

1 stop8h 30m

Castries Hewanorra

Wed 2/12

5:35 p.m.-10:03 a.m.

2 stops41h 28m

C$ 606

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 8/12

8:50 a.m.-4:40 p.m.

2 stops30h 50m

Castries Hewanorra

Fri 11/12

5:35 p.m.-10:03 a.m.

2 stops17h 28m

C$ 606

Quickest round-trip

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

7:10 a.m.-4:40 p.m.

1 stop8h 30m

Castries Hewanorra

Thu 10/12

5:35 p.m.-9:25 a.m.

1 stop16h 50m

C$ 606

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 7/12

9:35 p.m.-4:40 p.m.

2 stops42h 05m

Castries Hewanorra

Fri 11/12

5:35 p.m.-10:03 a.m.

2 stops17h 28m

C$ 606

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 7/12

9:35 p.m.-4:40 p.m.

2 stops42h 05m

Castries Hewanorra

Fri 11/12

5:35 p.m.-9:25 a.m.

1 stop16h 50m

C$ 606

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

7:05 a.m.-3:07 p.m.

1 stop31h 02m

Castries Hewanorra

Wed 18/11

4:07 p.m.-12:23 p.m.

2 stops21h 16m

C$ 614

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

7:05 a.m.-3:07 p.m.

1 stop31h 02m

Castries Hewanorra

Wed 18/11

4:07 p.m.-12:23 p.m.

2 stops21h 16m

C$ 615

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 Pierre Elliott Trudeau Intl Airport to Saint Lucia

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 Saint Lucia?

If you don’t want to visit Saint Lucia in September, then you should wait until August to fly from Montreal Pierre Elliott Trudeau Intl Airport, when ticket prices are also cheap, with an average price of C$ 582.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flights?

You could potentially save up to 26% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flight.

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Best price found	C$ 249
Fastest flight time	8h 30m
Direct flights	None

The best one-way flight to Saint Lucia from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 249. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia found on momondo in the last 72 hours is C$ 548.

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia takes 8h 30m

There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia.

Search flight deals

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?
As of October 2026, there is 1 operator available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents required for your trip to Saint Lucia 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 Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 542	Free Cancellation	Rating 7.1 11,778 reviews		Search Air Canada flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Lucia from Montreal.

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

Flights from Montreal to Saint Lucia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Montreal to Saint Lucia?

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 Saint Lucia.

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

Of course. momondo tracks the price of Montreal to Saint Lucia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Saint Lucia trip

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Flights to Castriesfrom C$ 934

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia from C$ 249

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Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flight tickets

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia that are best for you.

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

What is the cheapest month to fly to Saint Lucia?

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flights?

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Saint Lucia?

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia with momondo

Why use momondo?

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Lucia

Popular Cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo

Montreal Pierre Elliott Trudeau Intl Airport flight routes

According to popular flight searches on momondo this year

Saint Lucia flight routes

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Fly your favourite airline to Saint Lucia

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List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

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