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Cheap flights from Montreal to Saint Lucia from C$ 272

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Montreal to Saint Lucia

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Saint Lucia
Explore the most affordable flight options available from Montreal to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 November 2025.

Mon 22/128:25 p.m.YUL - UVF
1 stop17h 25mMultiple Airlines
Thu 25/123:40 p.m.UVF - YUL
1 stop10h 03mMultiple Airlines
Deal found 24/11C$ 998
Tue 30/123:59 p.m.YUL - UVF
2 stops20h 05mAmerican Airlines
Mon 12/15:02 p.m.UVF - YUL
2 stops23h 06mAmerican Airlines
Deal found 24/11C$ 1,055
Wed 31/121:40 p.m.YUL - UVF
1 stop24h 10mMultiple Airlines
Sun 11/13:40 p.m.UVF - YUL
1 stop10h 03mMultiple Airlines
Deal found 23/11C$ 1,058
Tue 30/127:00 p.m.YUL - UVF
1 stop20h 20mAir Canada
Mon 12/15:15 p.m.UVF - YUL
1 stop15h 27mAir Canada
Deal found 24/11C$ 1,195
Wed 31/127:30 a.m.YUL - UVF
2 stops28h 34mAmerican Airlines
Wed 7/15:02 p.m.UVF - YUL
2 stops23h 06mAmerican Airlines
Deal found 24/11C$ 1,216
Thu 25/124:00 p.m.YUL - UVF
2 stops23h 25mAir Canada
Fri 9/15:15 p.m.UVF - YUL
1 stop15h 27mAir Canada
Deal found 24/11C$ 1,412
Wed 31/126:00 a.m.YUL - UVF
1 stop9h 20mAir Canada
Wed 7/15:15 p.m.UVF - YUL
1 stop16h 07mAir Canada
Deal found 25/11C$ 1,491
Thu 27/117:14 a.m.YUL - UVF
1 stop30h 46mAmerican Airlines
Wed 3/124:53 p.m.UVF - YUL
2 stops23h 31mAmerican Airlines
Deal found 25/11C$ 1,520
Tue 23/126:45 a.m.YUL - SLU
2 stops25h 45mMultiple Airlines
Wed 31/129:10 a.m.SLU - YUL
2 stops16h 33mMultiple Airlines
Deal found 24/11C$ 2,768

Cheap flight deals from Montreal to Saint Lucia

Keep the following information in mind while searching for Montreal to Saint Lucia flight deals. Data was last updated 26 November 2025.

Round-trip from

C$ 501

One-way from

C$ 272
American Airlines
  • American Airlines
  • 31/1-6/2
  • 2 total stops
  • 46h 17m total
  • Montreal to Saint Lucia
Search Deals
American Airlines
  • American Airlines
  • 15/1
  • 2 total stops
  • 26h 03m total
  • Montreal to Saint Lucia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Saint Lucia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 November 2025.
Use the filters below to find and compare flights from Montreal to Saint Lucia that are best for you.

Fly from

Montreal

Fly to

Saint Lucia

Route

Depart

Return

Price

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

2:25 p.m.-1:46 p.m.

2 stops22h 21m

Castries Hewanorra

Fri 6/2

5:02 p.m.-10:44 p.m.

2 stops30h 42m

C$ 501

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

7:00 a.m.-3:03 p.m.

1 stop31h 03m

Castries Hewanorra

Fri 6/2

5:02 p.m.-1:45 p.m.

2 stops21h 43m

C$ 501

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

12:59 p.m.-3:03 p.m.

2 stops25h 04m

Castries Hewanorra

Fri 23/1

5:02 p.m.-1:45 p.m.

2 stops21h 43m

C$ 518

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

2:25 p.m.-2:10 p.m.

2 stops22h 45m

Castries Hewanorra

Fri 30/1

5:02 p.m.-12:24 p.m.

2 stops20h 22m

C$ 547

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

7:00 a.m.-1:46 p.m.

2 stops29h 46m

Castries Hewanorra

Fri 6/2

5:02 p.m.-1:45 p.m.

2 stops21h 43m

C$ 552

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

2:25 p.m.-3:03 p.m.

1 stop23h 38m

Castries Hewanorra

Fri 6/2

4:06 p.m.-3:20 p.m.

2 stops24h 14m

C$ 552

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

7:30 a.m.-3:03 p.m.

2 stops30h 33m

Castries Hewanorra

Wed 4/2

5:02 p.m.-3:20 p.m.

2 stops23h 18m

C$ 552

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

2:25 p.m.-4:02 p.m.

2 stops24h 37m

Castries Hewanorra

Thu 22/1

5:02 p.m.-1:45 p.m.

2 stops21h 43m

C$ 563

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

10:30 p.m.-7:00 p.m.

2 stops19h 30m

Castries George F. L. Charle

Sun 18/1

12:10 p.m.-9:45 p.m.

1 stop10h 35m

C$ 1,332

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Mon 5/1

9:30 a.m.-7:00 p.m.

1 stop8h 30m

Castries George F. L. Charle

Fri 16/1

1:55 p.m.-12:33 a.m.

2 stops11h 38m

C$ 1,518

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/11

Showing 1-10 of 29 results
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Best time to book a flight from Montreal to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Montreal with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal to Saint Lucia

What is the cheapest month to book a flight from Montreal to Saint Lucia?

Currently, February is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 198). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YMQ to LC?

Find hourly flight availability from Montreal to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 November 2025.

It’s typically best to fly out from Montreal to Saint Lucia at noon. Doing so could potentially save you 34% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated 26 November 2025.
Check out reviews from past customers who have flown with Air Canada from Montreal to Saint Lucia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,481 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.3

Entertainment

6.8

Comfort

7.1

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,481 reviews
Air Canada
7.1
Good
10,481 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.3

Entertainment

6.8

Comfort

7.1

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

Find useful and relevant information for your journey from Montreal to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montreal to Saint Lucia?

    Departing from Montreal to Saint Lucia will take you 22h 21m. The distance between Montreal and Saint Lucia is about 3726 km.

  • Can I find deals for flights from Montreal to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Montreal to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Saint Lucia.

  • Can I find deals for business class flights from Montreal to Saint Lucia?

    Yes. Cheapflights offers flight deals from Montreal to Saint Lucia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal to Saint Lucia?

    Currently, February is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 198). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Montreal to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Montreal to Saint Lucia

Discover the top 2 airlines that operate flights from Montreal to Saint Lucia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 517AverageC$ 774FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 545AverageC$ 768FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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