What is the cheapest airline that flies from Montreal to Saint Lucia?

United Airlines, American Airlines, and Air Canada are the most popular carriers operating from Montreal to Saint Lucia

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

Prices for flights from Montreal to Saint Lucia are updated daily.

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

As of September 2026, there is 1 operator available to choose from for flights from Montreal to Saint Lucia.

How old do you have to be to fly from Montreal to Saint Lucia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Saint Lucia.

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

The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 254 Cheap Flights from Montreal to Saint Lucia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to Saint Lucia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:00 p.m. - 4:25 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

24h 25m2 stops Newark Chicago O'Hare Intl

5:17 p.m. - 1:28 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

21h 11m1 stop Newark

C$ 542United Airlines

Fri, 13 Nov - Sat, 21 Nov

3:00 p.m. - 4:25 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

24h 25m2 stops Newark Chicago O'Hare Intl

5:17 p.m. - 7:48 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

27h 31m2 stops Newark Washington, D.C. Dulles Intl

C$ 542United Airlines

Fri, 13 Nov - Sat, 21 Nov

3:00 p.m. - 4:25 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

24h 25m2 stops Newark Chicago O'Hare Intl

5:17 p.m. - 7:48 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

27h 31m2 stops Newark Washington, D.C. Dulles Intl

C$ 542United Airlines

Fri, 13 Nov - Sat, 21 Nov

3:00 p.m. - 4:25 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

24h 25m2 stops Newark Chicago O'Hare Intl

5:17 p.m. - 1:28 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

21h 11m1 stop Newark

C$ 542United Airlines

Fri, 13 Nov - Sat, 21 Nov

2:25 p.m. - 2:16 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

22h 51m1 stop Charlotte Douglas

4:38 p.m. - 11:23 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

31h 45m1 stop Miami

C$ 554American Airlines

Thu, 21 Jan - Sun, 31 Jan

1:00 p.m. - 2:27 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

24h 27m1 stop Philadelphia

4:38 p.m. - 12:17 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

20h 39m2 stops Miami Philadelphia

C$ 555American Airlines

Fri, 5 Feb - Mon, 8 Feb

7:00 a.m. - 3:38 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

31h 38m1 stop Miami

3:46 p.m. - 3:24 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

24h 38m2 stops Miami Philadelphia

C$ 555American Airlines

Mon, 25 Jan - Mon, 8 Feb

7:00 a.m. - 3:38 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

31h 38m1 stop Miami

4:38 p.m. - 11:30 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

19h 52m2 stops Miami Chicago O'Hare Intl

C$ 555American Airlines

Mon, 25 Jan - Mon, 8 Feb

8:00 p.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

19h 40m1 stop Toronto Pearson Intl

5:35 p.m. - 12:25 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

19h 50m1 stop Toronto Pearson Intl

C$ 615Air Canada

Sun, 1 Nov - Mon, 9 Nov

6:00 a.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

9h 40m1 stop 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$ 622Air Canada

Wed, 9 Dec - Thu, 10 Dec

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American Airlines flights from Montreal to Saint Lucia

Our best American Airlines deals on Montreal to Saint Lucia flight tickets

American Airlines

21 Jan

YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl

22h 51m

1 stop

UVF2:16 p.m.Castries Hewanorra

31 Jan

UVF4:38 p.m.Castries Hewanorra

31h 45m

1 stop

YUL11:23 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 554

American Airlines

25 Jan

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

31h 38m

1 stop

UVF3:38 p.m.Castries Hewanorra

8 Feb

UVF3:46 p.m.Castries Hewanorra

24h 38m

2 stops

YUL3:24 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 555

American Airlines

21 Jan

YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl

22h 51m

1 stop

UVF2:16 p.m.Castries Hewanorra

31 Jan

UVF4:38 p.m.Castries Hewanorra

19h 52m

2 stops

YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 559

Air Canada flights from Montreal to Saint Lucia

Our best Air Canada deals on Montreal to Saint Lucia flight tickets

Air Canada

1 Nov

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

19h 40m

1 stop

UVF4:40 p.m.Castries Hewanorra

9 Nov

UVF5:35 p.m.Castries Hewanorra

19h 50m

1 stop

YUL12:25 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 615

Air Canada

29 Nov

YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl

24h 40m

2 stops

UVF4:40 p.m.Castries Hewanorra

2 Dec

UVF5:35 p.m.Castries Hewanorra

17h 28m

2 stops

YUL10:03 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 622

Air Canada

19 Nov

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

9h 40m

1 stop

UVF4:40 p.m.Castries Hewanorra

23 Nov

UVF5:35 p.m.Castries Hewanorra

9h 21m

1 stop

YUL1:56 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 623

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

Fri 13/11

3:00 p.m.-4:25 p.m.

2 stops24h 25m

Castries Hewanorra

Sat 21/11

5:17 p.m.-1:28 p.m.

1 stop21h 11m

C$ 542

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 13/11

3:00 p.m.-4:25 p.m.

2 stops24h 25m

Castries Hewanorra

Sat 21/11

5:17 p.m.-7:48 p.m.

2 stops27h 31m

C$ 542

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 13/11

3:00 p.m.-4:25 p.m.

2 stops24h 25m

Castries Hewanorra

Sat 21/11

5:17 p.m.-7:48 p.m.

2 stops27h 31m

C$ 542

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 13/11

3:00 p.m.-4:25 p.m.

2 stops24h 25m

Castries Hewanorra

Sat 21/11

5:17 p.m.-1:28 p.m.

1 stop21h 11m

C$ 542

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 21/1

2:25 p.m.-2:16 p.m.

1 stop22h 51m

Castries Hewanorra

Sun 31/1

4:38 p.m.-11:23 p.m.

1 stop31h 45m

C$ 554

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 5/2

1:00 p.m.-2:27 p.m.

1 stop24h 27m

Castries Hewanorra

Mon 8/2

4:38 p.m.-12:17 p.m.

2 stops20h 39m

C$ 555

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 25/1

7:00 a.m.-3:38 p.m.

1 stop31h 38m

Castries Hewanorra

Mon 8/2

3:46 p.m.-3:24 p.m.

2 stops24h 38m

C$ 555

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 25/1

7:00 a.m.-3:38 p.m.

1 stop31h 38m

Castries Hewanorra

Mon 8/2

4:38 p.m.-11:30 a.m.

2 stops19h 52m

C$ 555

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

8:00 p.m.-4:40 p.m.

1 stop19h 40m

Castries Hewanorra

Mon 9/11

5:35 p.m.-12:25 p.m.

1 stop19h 50m

C$ 615

Quickest round-trip

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

6:00 a.m.-4:40 p.m.

1 stop9h 40m

Castries Hewanorra

Thu 10/12

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

2 stops28h 18m

C$ 622

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 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, when ticket prices are also cheap, with an average price of C$ 578.

Can stopping save me money on Montreal to Saint Lucia flights?

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

Cheap Montreal to Saint Lucia flight deals and tips

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

Best price found	C$ 254
Fastest flight time	8h 40m
Direct flights	None

The best one-way flight to Saint Lucia from Montreal in the past 72 hours is C$ 254. The best round-trip flight deal from Montreal to Saint Lucia found on momondo in the last 72 hours is C$ 542.

The fastest flight from Montreal to Saint Lucia takes 8h 40m

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

Search flight deals

Frequently asked questions about flying from Montreal to Saint Lucia

When did momondo last update prices for flights from Montreal to Saint Lucia?
Prices for flights from Montreal to Saint Lucia are updated daily.
How many operators does momondo search for flights from Montreal to Saint Lucia?
As of September 2026, there is 1 operator available to choose from for flights from Montreal to Saint Lucia.
How old do you have to be to fly from Montreal to Saint Lucia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montreal to Saint Lucia

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 543	Free Cancellation	Rating 7.1 11,704 reviews		Search Air Canada flights

Why use momondo?

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

Finding the right flight to Saint Lucia from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Lucia quick and easy, saving you time and money.

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

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

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

Once all potential Montreal to Saint Lucia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Saint Lucia from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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.

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Flights to Castriesfrom C$ 938

Cheap flights from Montreal to Saint Lucia from C$ 254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Saint Lucia departing on 15/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Montreal to Saint Lucia

Our best American Airlines deals on Montreal to Saint Lucia flight tickets

Air Canada flights from Montreal to Saint Lucia

Our best Air Canada deals on Montreal to Saint Lucia flight tickets

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How to get the cheapest flight ticket from Montreal to Saint Lucia

What is the cheapest month to fly to Saint Lucia?

Can stopping save me money on Montreal to Saint Lucia flights?

What is the cheapest airline that flies from Montreal to Saint Lucia?

Cheap Montreal to Saint Lucia flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Montreal to Saint Lucia

Best airlines flying from Montreal to Saint Lucia

Compare and see reviews for airlines that fly from Montreal 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 flight routes

According to popular flight searches on momondo this year

Saint Lucia flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Saint Lucia

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Cabin classes currently available on flights to Saint Lucia

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

Complete your trip to Saint Lucia

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According to popular flight searches on momondo this year