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Cheap flights from Montreal to Saint Lucia from C$ 210

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 12 December 2025.

Wed 31/127:08 a.m.YUL - UVF
1 stop30h 44mAmerican Airlines
Wed 14/15:02 p.m.UVF - YUL
1 stop31h 22mAmerican Airlines
Deal found 11/12C$ 987
Wed 31/127:00 a.m.YUL - UVF
1 stop8h 20mAir Canada
Thu 8/15:15 p.m.UVF - YUL
1 stop15h 27mAir Canada
Deal found 11/12C$ 992
Wed 31/129:30 p.m.YUL - UVF
2 stops41h 55mAir Canada
Wed 14/15:15 p.m.UVF - YUL
2 stops19h 24mAir Canada
Deal found 11/12C$ 1,248
Wed 31/127:00 a.m.YUL - UVF
1 stop8h 20mAir Canada
Wed 7/15:15 p.m.UVF - YUL
2 stops51h 40mAir Canada
Deal found 11/12C$ 1,484
Sun 28/124:50 p.m.YUL - UVF
2 stops22h 35mAir Canada
Thu 8/15:15 p.m.UVF - YUL
2 stops19h 24mAir Canada
Deal found 10/12C$ 1,662
Fri 26/127:00 a.m.YUL - SLU
2 stops10h 25mMultiple Airlines
Fri 2/14:00 p.m.SLU - YUL
1 stop27h 50mMultiple Airlines
Deal found 10/12C$ 2,828

Find 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 12 December 2025.

Round-trip from

C$ 459

One-way from

C$ 210
American Airlines
  • American Airlines
  • 12/1-22/1
  • 2 total stops
  • 46h 17m total
  • Montreal to Saint Lucia
Search Deals
American Airlines
  • American Airlines
  • 25/1
  • 1 total stop
  • 29h 46m 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 12 December 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

Wed 21/1

8:50 a.m.-4:25 p.m.

2 stops30h 35m

Castries Hewanorra

Fri 23/1

5:15 p.m.-6:39 a.m.

2 stops14h 24m

C$ 712

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

7:30 a.m.-4:00 p.m.

2 stops31h 30m

Castries Hewanorra

Tue 3/3

3:50 p.m.-3:24 p.m.

2 stops24h 34m

C$ 749

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

2:25 p.m.-4:00 p.m.

2 stops24h 35m

Castries Hewanorra

Wed 4/3

5:00 p.m.-3:05 p.m.

2 stops47h 05m

C$ 749

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

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

2 stops22h 21m

Castries Hewanorra

Tue 27/1

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

2 stops21h 43m

C$ 757

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

7:00 a.m.-4:25 p.m.

1 stop8h 25m

Castries Hewanorra

Wed 4/3

5:15 p.m.-12:22 p.m.

1 stop20h 07m

C$ 761

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

2:25 p.m.-4:00 p.m.

2 stops24h 35m

Castries Hewanorra

Tue 3/3

5:00 p.m.-3:10 p.m.

2 stops23h 10m

C$ 761

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

2:25 p.m.-2:50 p.m.

2 stops47h 25m

Castries Hewanorra

Sun 1/3

5:00 p.m.-3:10 p.m.

2 stops47h 10m

C$ 779

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:10 p.m.-4:25 p.m.

1 stop19h 15m

Castries Hewanorra

Wed 4/3

5:15 p.m.-7:43 a.m.

1 stop15h 28m

C$ 787

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

8:10 p.m.-4:20 p.m.

1 stop19h 10m

Castries Hewanorra

Thu 5/3

5:15 p.m.-8:22 a.m.

1 stop16h 07m

C$ 855

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

9:30 p.m.-4:20 p.m.

2 stops41h 50m

Castries Hewanorra

Thu 5/3

5:15 p.m.-9:22 a.m.

1 stop17h 07m

C$ 856

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 20 results
1
2

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$ 193). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,149). 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 12 December 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 12 December 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
10,516 reviews
Check prices

Food

6.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Boarding

7.3

Overall

7.1

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
10,516 reviews
Air Canada
7.1
Good
10,516 reviews
Check prices

Food

6.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Boarding

7.3

Overall

7.1

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 30h 35m. The distance between Montreal and Saint Lucia is about 3726 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 193). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,149). 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 airline flying from Montreal to Saint Lucia

Discover the top airline 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 509AverageC$ 752FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Montreal to Saint Lucia?

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Can Cheapflights find flights from Montreal to Saint Lucia with no change fees?

Yes, we can. To see specific flights from Montreal to Saint Lucia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from Montreal to Saint Lucia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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