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

WestJet, Air Canada, and United Airlines 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 November 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$ 275 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.

4:45 p.m. - 1:07 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

43h 22m2 stops Chicago O'Hare Intl Newark

5:17 p.m. - 3:16 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 59m2 stops Newark Washington, D.C. Dulles Intl

C$ 603United Airlines

Thu, 26 Nov - Sat, 12 Dec

6:00 a.m. - 1:07 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 07m2 stops Chicago O'Hare Intl Newark

5:17 p.m. - 3:16 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 59m2 stops Newark Washington, D.C. Dulles Intl

C$ 603United Airlines

Fri, 27 Nov - Sat, 12 Dec

7:00 a.m. - 1:07 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

29h 07m1 stop Newark

5:17 p.m. - 3:16 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 59m2 stops Newark Washington, D.C. Dulles Intl

C$ 603United Airlines

Fri, 27 Nov - Sat, 12 Dec

9:15 a.m. - 1:07 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

26h 52m2 stops Washington, D.C. Dulles Intl Newark

5:17 p.m. - 3:16 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 59m2 stops Newark Washington, D.C. Dulles Intl

C$ 616United Airlines

Fri, 27 Nov - Sat, 12 Dec

7:00 a.m. - 1:07 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

29h 07m1 stop Newark

1:52 p.m. - 7:48 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

30h 56m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

C$ 616United Airlines

Fri, 27 Nov - Sat, 12 Dec

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

22h 51m1 stop Charlotte Douglas

3:11 p.m. - 12:17 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 06m1 stop Philadelphia

C$ 670American Airlines

Sat, 16 Jan - Sat, 23 Jan

1:04 p.m. - 2:33 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

24h 29m1 stop Philadelphia

1:58 p.m. - 11:29 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

10h 31m1 stop Miami

C$ 670American Airlines

Fri, 11 Dec - Fri, 18 Dec

7:00 a.m. - 2:16 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 16m1 stop Charlotte Douglas

3:11 p.m. - 12:17 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 06m1 stop Philadelphia

C$ 674American Airlines

Sat, 16 Jan - Sat, 23 Jan

9:35 p.m. - 3:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

42h 05m2 stops Ottawa Toronto Pearson Intl

4:45 p.m. - 11:21 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

30h 36m1 stop Toronto Pearson Intl

C$ 700Air Canada

Fri, 2 Apr - Sun, 11 Apr

9:35 p.m. - 3:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

42h 05m2 stops Ottawa Toronto Pearson Intl

4:45 p.m. - 6:34 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

13h 49m2 stops Toronto Pearson Intl Ottawa

C$ 702Air Canada

Fri, 2 Apr - Sun, 11 Apr

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:05 a.m. - 3:04 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 59m1 stop Charlotte Douglas

1:58 p.m. - 11:29 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

10h 31m1 stop Miami

C$ 717American Airlines

Mon, 16 Nov - Fri, 18 Dec

4:06 p.m. - 1:30 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

20h 24m2 stops Philadelphia Miami

1:58 p.m. - 11:29 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

10h 31m1 stop Miami

C$ 757American Airlines

Mon, 16 Nov - Fri, 18 Dec

7:05 a.m. - 3:04 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 59m1 stop Charlotte Douglas

4:28 p.m. - 10:51 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

31h 23m1 stop Charlotte Douglas

C$ 857American Airlines

Sun, 15 Nov - Sun, 22 Nov

7:05 a.m. - 3:04 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 59m1 stop Charlotte Douglas

4:28 p.m. - 1:42 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 14m1 stop Charlotte Douglas

C$ 857American Airlines

Tue, 17 Nov - Sun, 22 Nov

7:05 a.m. - 3:04 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 59m1 stop Charlotte Douglas

2:38 p.m. - 12:23 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 45m2 stops Miami Philadelphia

C$ 858American Airlines

Mon, 16 Nov - Mon, 30 Nov

1:04 p.m. - 3:04 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

25h 00m2 stops Philadelphia Charlotte Douglas

4:28 p.m. - 1:42 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 14m1 stop Charlotte Douglas

C$ 863American Airlines

Tue, 17 Nov - Sun, 22 Nov

4:06 p.m. - 1:30 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

20h 24m2 stops Philadelphia Miami

4:28 p.m. - 12:23 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

20h 55m2 stops Charlotte Douglas Philadelphia

C$ 898American Airlines

Mon, 16 Nov - Mon, 30 Nov

7:05 a.m. - 3:04 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 59m1 stop Charlotte Douglas

4:28 p.m. - 10:51 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

31h 23m1 stop Charlotte Douglas

C$ 900American Airlines

Mon, 16 Nov - Mon, 30 Nov

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

53h 00m2 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$ 1,005Air Canada

Tue, 17 Nov - Sun, 22 Nov

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

17h 28m2 stops Toronto Pearson Intl Ottawa

C$ 1,131Air Canada

Sun, 15 Nov - Sun, 22 Nov

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United Airlines flights from Montreal to Saint Lucia

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

United Airlines

27 Nov

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

29h 07m

1 stop

UVF1:07 p.m.Castries Hewanorra

12 Dec

UVF5:17 p.m.Castries Hewanorra

22h 59m

2 stops

YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 603

United Airlines

27 Nov

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

29h 07m

1 stop

UVF1:07 p.m.Castries Hewanorra

12 Dec

UVF1:52 p.m.Castries Hewanorra

30h 56m

2 stops

YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 616

United Airlines

27 Nov

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

29h 07m

1 stop

UVF1:07 p.m.Castries Hewanorra

12 Dec

UVF5:17 p.m.Castries Hewanorra

21h 11m

1 stop

YUL1:28 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 702

WestJet flights from Montreal to Saint Lucia

Our best WestJet deals on Montreal to Saint Lucia flight tickets

WestJet

25 Jan

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

17h 55m

1 stop

UVF2:55 p.m.Castries Hewanorra

2 Feb

UVF3:55 p.m.Castries Hewanorra

9h 35m

1 stop

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

C$ 676

WestJet

27 Nov

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

31h 05m

1 stop

UVF2:50 p.m.Castries Hewanorra

12 Dec

UVF3:40 p.m.Castries Hewanorra

9h 50m

1 stop

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

C$ 690

WestJet

24 Feb

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

17h 55m

1 stop

UVF2:55 p.m.Castries Hewanorra

9 Mar

UVF3:55 p.m.Castries Hewanorra

20h 35m

1 stop

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

C$ 744

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

Thu 26/11

4:45 p.m.-1:07 p.m.

2 stops43h 22m

Castries Hewanorra

Sat 12/12

5:17 p.m.-3:16 p.m.

2 stops22h 59m

C$ 603

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 27/11

6:00 a.m.-1:07 p.m.

2 stops30h 07m

Castries Hewanorra

Sat 12/12

5:17 p.m.-3:16 p.m.

2 stops22h 59m

C$ 603

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 27/11

7:00 a.m.-1:07 p.m.

1 stop29h 07m

Castries Hewanorra

Sat 12/12

5:17 p.m.-3:16 p.m.

2 stops22h 59m

C$ 603

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 27/11

9:15 a.m.-1:07 p.m.

2 stops26h 52m

Castries Hewanorra

Sat 12/12

5:17 p.m.-3:16 p.m.

2 stops22h 59m

C$ 616

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 27/11

7:00 a.m.-1:07 p.m.

1 stop29h 07m

Castries Hewanorra

Sat 12/12

1:52 p.m.-7:48 p.m.

2 stops30h 56m

C$ 616

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 16/1

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

1 stop22h 51m

Castries Hewanorra

Sat 23/1

3:11 p.m.-12:17 p.m.

1 stop22h 06m

C$ 670

Quickest round-trip

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 11/12

1:04 p.m.-2:33 p.m.

1 stop24h 29m

Castries Hewanorra

Fri 18/12

1:58 p.m.-11:29 p.m.

1 stop10h 31m

C$ 670

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 16/1

7:00 a.m.-2:16 p.m.

1 stop30h 16m

Castries Hewanorra

Sat 23/1

3:11 p.m.-12:17 p.m.

1 stop22h 06m

C$ 674

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 2/4

9:35 p.m.-3:40 p.m.

2 stops42h 05m

Castries Hewanorra

Sun 11/4

4:45 p.m.-11:21 p.m.

1 stop30h 36m

C$ 700

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 2/4

9:35 p.m.-3:40 p.m.

2 stops42h 05m

Castries Hewanorra

Sun 11/4

4:45 p.m.-6:34 a.m.

2 stops13h 49m

C$ 702

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$ 587.

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$ 275
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$ 275. The best round-trip flight deal from Montreal to Saint Lucia found on momondo in the last 72 hours is C$ 603.

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 November 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$ 546	Free Cancellation	Rating 7.1 11,899 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$ 897

Cheap flights from Montreal to Saint Lucia from C$ 275

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 3/4. 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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United Airlines flights from Montreal to Saint Lucia

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

WestJet flights from Montreal to Saint Lucia

Our best WestJet 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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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

Explore popular destinations other users love

According to popular flight searches on momondo this year