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

Air Canada, United Airlines, and American 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 August 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$ 208 Cheap Flights from Montreal to Saint Lucia in 2026

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.

7:20 p.m. - 1:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

18h 20m1 stop Toronto Pearson Intl

3:40 p.m. - 12:33 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

9h 53m1 stop Toronto Pearson Intl

C$ 451WestJet

Sat, 17 Oct - Tue, 3 Nov

5:45 p.m. - 1:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

19h 55m1 stop Toronto Pearson Intl

2:30 p.m. - 12:25 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

9h 55m1 stop Toronto Pearson Intl

C$ 458WestJet

Sat, 5 Sep - Sun, 13 Sep

5:45 p.m. - 1:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

19h 55m1 stop Toronto Pearson Intl

2:30 p.m. - 12:25 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

9h 55m1 stop Toronto Pearson Intl

C$ 471WestJet

Sat, 5 Sep - Sun, 13 Sep

11:10 a.m. - 4:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

28h 30m1 stop Toronto Pearson Intl

5:40 p.m. - 9:35 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

28h 55m1 stop Toronto Pearson Intl

C$ 538Air Canada

Thu, 5 Nov - Thu, 12 Nov

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

9h 40m1 stop Toronto Pearson Intl

5:40 p.m. - 10:03 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

17h 23m2 stops Toronto Pearson Intl Ottawa

C$ 538Air Canada

Thu, 5 Nov - Thu, 12 Nov

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

23h 30m1 stop Toronto Pearson Intl

5:40 p.m. - 5:25 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

24h 45m1 stop Toronto Pearson Intl

C$ 538Air Canada

Wed, 18 Nov - Mon, 23 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

5:40 p.m. - 6:48 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

14h 08m2 stops Toronto Pearson Intl Ottawa

C$ 538Air Canada

Wed, 18 Nov - Mon, 23 Nov

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

23h 00m1 stop Toronto Pearson Intl

5:40 p.m. - 6:48 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

14h 08m2 stops Toronto Pearson Intl Ottawa

C$ 538Air Canada

Thu, 5 Nov - Thu, 12 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

5:40 p.m. - 3:25 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

22h 45m1 stop Toronto Pearson Intl

C$ 538Air Canada

Wed, 18 Nov - Mon, 23 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

5:40 p.m. - 10:03 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

17h 23m2 stops Toronto Pearson Intl Ottawa

C$ 538Air Canada

Thu, 5 Nov - Thu, 12 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:29 a.m. - 2:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 50m1 stop Charlotte Douglas

2:49 p.m. - 12:27 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

21h 38m2 stops Miami Philadelphia

C$ 550American Airlines

Fri, 14 Aug - Fri, 28 Aug

3:45 p.m. - 2:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

22h 34m2 stops Dallas/Fort Worth Charlotte Douglas

2:49 p.m. - 2:44 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

23h 55m2 stops Miami Dallas/Fort Worth

C$ 557American Airlines

Fri, 14 Aug - Fri, 28 Aug

5:34 p.m. - 2:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

20h 45m2 stops Chicago O'Hare Intl Charlotte Douglas

3:19 p.m. - 11:43 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

20h 24m2 stops Charlotte Douglas Chicago O'Hare Intl

C$ 557American Airlines

Fri, 14 Aug - Fri, 28 Aug

5:34 p.m. - 2:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

20h 45m2 stops Chicago O'Hare Intl Charlotte Douglas

3:19 p.m. - 11:43 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

20h 24m2 stops Charlotte Douglas Chicago O'Hare Intl

C$ 559American Airlines

Fri, 14 Aug - Fri, 28 Aug

7:29 a.m. - 2:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 50m1 stop Charlotte Douglas

3:19 p.m. - 12:27 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

45h 08m2 stops Charlotte Douglas Philadelphia

C$ 634American Airlines

Thu, 13 Aug - Mon, 24 Aug

3:45 p.m. - 2:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

22h 34m2 stops Dallas/Fort Worth Charlotte Douglas

3:19 p.m. - 12:27 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

45h 08m2 stops Charlotte Douglas Philadelphia

C$ 634American Airlines

Thu, 13 Aug - Mon, 24 Aug

5:34 p.m. - 2:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

20h 45m2 stops Chicago O'Hare Intl Charlotte Douglas

2:49 p.m. - 2:44 p.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

23h 55m2 stops Miami Dallas/Fort Worth

C$ 634American Airlines

Fri, 14 Aug - Mon, 24 Aug

7:29 a.m. - 2:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

30h 50m1 stop Charlotte Douglas

3:19 p.m. - 9:46 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

42h 27m2 stops Charlotte Douglas New York LaGuardia

C$ 701American Airlines

Thu, 13 Aug - Fri, 21 Aug

5:00 a.m. - 2:20 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

9h 20m1 stop Toronto Pearson Intl

3:15 p.m. - 12:32 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

9h 17m1 stop Toronto Pearson Intl

C$ 1,159Air Canada

Fri, 14 Aug - Fri, 21 Aug

6:00 a.m. - 2:20 p.m.YUL Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra

8h 20m1 stop Toronto Pearson Intl

3:15 p.m. - 9:55 a.m.UVF Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl

18h 40m2 stops Toronto Pearson Intl Ottawa

C$ 1,203Air Canada

Fri, 14 Aug - Fri, 28 Aug

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WestJet flights from Montreal to Saint Lucia

Our best WestJet deals on Montreal to Saint Lucia flight tickets

WestJet

17 Oct

YUL7:20 p.m.Montreal Pierre Elliott Trudeau Intl

18h 20m

1 stop

UVF1:40 p.m.Castries Hewanorra

3 Nov

UVF3:40 p.m.Castries Hewanorra

9h 53m

1 stop

YUL12:33 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 451

WestJet

5 Sep

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

19h 55m

1 stop

UVF1:40 p.m.Castries Hewanorra

13 Sep

UVF2:30 p.m.Castries Hewanorra

9h 55m

1 stop

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

C$ 458

WestJet

5 Sep

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

19h 55m

1 stop

UVF1:40 p.m.Castries Hewanorra

13 Sep

UVF2:30 p.m.Castries Hewanorra

9h 55m

1 stop

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

C$ 471

United Airlines flights from Montreal to Saint Lucia

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

United Airlines

30 Oct

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

29h 07m

1 stop

UVF12:07 p.m.Castries Hewanorra

7 Nov

UVF1:52 p.m.Castries Hewanorra

24h 36m

2 stops

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

C$ 607

United Airlines

15 Aug

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

7h 31m

1 stop

UVF1:31 p.m.Castries Hewanorra

22 Aug

UVF2:35 p.m.Castries Hewanorra

26h 55m

2 stops

YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 868

United Airlines

14 Aug

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

28h 16m

2 stops

UVF1:31 p.m.Castries Hewanorra

22 Aug

UVF2:35 p.m.Castries Hewanorra

30h 51m

2 stops

YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 914

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

Sat 17/10

7:20 p.m.-1:40 p.m.

1 stop18h 20m

Castries Hewanorra

Tue 3/11

3:40 p.m.-12:33 a.m.

1 stop9h 53m

C$ 451

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

5:45 p.m.-1:40 p.m.

1 stop19h 55m

Castries Hewanorra

Sun 13/9

2:30 p.m.-12:25 a.m.

1 stop9h 55m

C$ 458

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

5:45 p.m.-1:40 p.m.

1 stop19h 55m

Castries Hewanorra

Sun 13/9

2:30 p.m.-12:25 a.m.

1 stop9h 55m

C$ 471

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

11:10 a.m.-4:40 p.m.

1 stop28h 30m

Castries Hewanorra

Thu 12/11

5:40 p.m.-9:35 p.m.

1 stop28h 55m

C$ 538

Quickest round-trip

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

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

1 stop9h 40m

Castries Hewanorra

Thu 12/11

5:40 p.m.-10:03 a.m.

2 stops17h 23m

C$ 538

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

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

1 stop23h 30m

Castries Hewanorra

Mon 23/11

5:40 p.m.-5:25 p.m.

1 stop24h 45m

C$ 538

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

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

2 stops18h 05m

Castries Hewanorra

Mon 23/11

5:40 p.m.-6:48 a.m.

2 stops14h 08m

C$ 538

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

4:40 p.m.-4:40 p.m.

1 stop23h 00m

Castries Hewanorra

Thu 12/11

5:40 p.m.-6:48 a.m.

2 stops14h 08m

C$ 538

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

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

2 stops18h 05m

Castries Hewanorra

Mon 23/11

5:40 p.m.-3:25 p.m.

1 stop22h 45m

C$ 538

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

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

2 stops18h 05m

Castries Hewanorra

Thu 12/11

5:40 p.m.-10:03 a.m.

2 stops17h 23m

C$ 538

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 August, then you should wait until September to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 650.

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

You could potentially save up to 80% 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

Fastest flight time	7h 31m
Direct flights	None

The fastest flight from Montreal to Saint Lucia takes 7h 31m

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 August 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$ 534	Free Cancellation	Rating 7.1 11,462 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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Popular Cities in Saint Lucia

Flights to Castriesfrom C$ 790

Cheap flights from Montreal to Saint Lucia from C$ 208

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 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Montreal to Saint Lucia

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WestJet flights from Montreal to Saint Lucia

Our best WestJet deals on Montreal to Saint Lucia flight tickets

United Airlines flights from Montreal to Saint Lucia

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

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See travel insights to Saint Lucia from

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

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

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According to popular flight searches on momondo this year