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Cheap flights from Montreal to Saint Lucia from C$ 340

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
1 Feb — 8 Feb1
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 2 January 2026.

Wed 31/124:50 p.m.YUL - UVF
2 stops46h 35mAir Canada
Wed 7/15:15 p.m.UVF - YUL
2 stops43h 24mAir Canada
Deal found 31/12C$ 2,031

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 2 January 2026.

Round-trip from

C$ 559

One-way from

C$ 340
American Airlines
  • American Airlines
  • 2/3-10/3
  • 4 total stops
  • 46h 20m total
  • Montreal to Saint Lucia
Search Deals
American Airlines
  • American Airlines
  • 15/2
  • 2 total stops
  • 24h 33m 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 2 January 2026.
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

Mon 26/1

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

2 stops22h 04m

Castries Hewanorra

Fri 30/1

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

2 stops21h 43m

C$ 593

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

Mon 9/2

4:06 p.m.-1:45 p.m.

1 stop22h 39m

C$ 604

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

6:00 a.m.-2:05 p.m.

1 stop8h 05m

Castries Hewanorra

Fri 29/5

3:15 p.m.-1:51 a.m.

1 stop10h 36m

C$ 630

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

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

2 stops41h 50m

Castries Hewanorra

Thu 22/1

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

2 stops14h 24m

C$ 641

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

9:30 p.m.-3:25 p.m.

2 stops17h 55m

Castries Hewanorra

Wed 15/4

4:20 p.m.-11:36 a.m.

2 stops19h 16m

C$ 741

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

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

2 stops41h 50m

Castries Hewanorra

Thu 29/1

5:15 p.m.-7:14 p.m.

2 stops26h 59m

C$ 759

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sat 28/2

7:10 p.m.-3:15 p.m.

2 stops19h 05m

Castries George F. L. Charle

Sun 8/3

12:30 p.m.-5:41 p.m.

3 stops29h 11m

C$ 1,150

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

6:45 a.m.-7:00 p.m.

2 stops12h 15m

Castries George F. L. Charle

Sat 30/5

12:35 p.m.-6:45 a.m.

3 stops18h 10m

C$ 1,260

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Fri 27/2

8:50 a.m.-1:10 p.m.

3 stops27h 20m

Castries George F. L. Charle

Fri 6/3

7:10 p.m.-4:30 p.m.

3 stops22h 20m

C$ 1,261

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

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

1 stop8h 30m

Castries George F. L. Charle

Thu 5/2

12:40 p.m.-12:32 a.m.

2 stops12h 52m

C$ 1,264

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 20 results
1
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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$ 192). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,143). 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.

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 2 January 2026.
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
10,573 reviews
Check prices

Food

6.3

Entertainment

6.8

Comfort

7.1

Overall

7.1

Crew

7.8

Boarding

7.3

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
10,573 reviews
Air Canada
7.1
Good
10,573 reviews
Check prices

Food

6.3

Entertainment

6.8

Comfort

7.1

Overall

7.1

Crew

7.8

Boarding

7.3

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 8h 05m. 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$ 192). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,143). 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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 506AverageC$ 749FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 530AverageC$ 852FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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

When you search for this flight from Montreal to Saint Lucia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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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