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Cheap flights from Montreal to Saint Lucia from C$ 312

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
23 Jul — 30 Jul1
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 23 June 2026.

Mon 6/710:40 a.m.
YUL
-
UVF
2 stops27h 30m
Air Canada
Fri 17/73:05 p.m.
UVF
-
YUL
2 stops15h 45m
Air Canada
Deal found 18/6C$ 572
Tue 18/86:00 a.m.
YUL
-
UVF
1 stop8h 20m
Air Canada
Tue 1/93:15 p.m.
UVF
-
YUL
2 stops31h 05m
Air Canada
Deal found 21/6C$ 626
Fri 7/86:00 a.m.
YUL
-
UVF
1 stop8h 20m
Air Canada
Fri 14/83:15 p.m.
UVF
-
YUL
1 stop10h 37m
Air Canada
Deal found 18/6C$ 636
Mon 6/79:55 p.m.
YUL
-
UVF
1 stop16h 15m
Multiple Airlines
Thu 16/72:30 p.m.
UVF
-
YUL
1 stop26h 15m
Multiple Airlines
Deal found 18/6C$ 650
Mon 23/117:10 a.m.
YUL
-
UVF
1 stop8h 15m
Air Canada
Mon 30/115:25 p.m.
UVF
-
YUL
2 stops19h 28m
Air Canada
Deal found 22/6C$ 665
Sun 22/111:15 p.m.
YUL
-
UVF
2 stops26h 10m
Air Canada
Sun 6/125:25 p.m.
UVF
-
YUL
1 stop19h 58m
Air Canada
Deal found 22/6C$ 669
Mon 16/117:10 a.m.
YUL
-
UVF
1 stop8h 15m
Air Canada
Mon 23/115:25 p.m.
UVF
-
YUL
1 stop29h 28m
Air Canada
Deal found 18/6C$ 670
Sun 15/119:35 p.m.
YUL
-
UVF
2 stops17h 50m
Air Canada
Mon 23/115:25 p.m.
UVF
-
YUL
2 stops14h 23m
Air Canada
Deal found 18/6C$ 673
Fri 24/76:00 a.m.
YUL
-
UVF
1 stop8h 10m
Air Canada
Fri 31/73:05 p.m.
UVF
-
YUL
2 stops18h 50m
Air Canada
Deal found 19/6C$ 679
Sun 22/111:15 p.m.
YUL
-
UVF
2 stops26h 10m
Air Canada
Fri 4/125:25 p.m.
UVF
-
YUL
1 stop15h 23m
Air Canada
Deal found 22/6C$ 684
Thu 9/71:05 p.m.
YUL
-
UVF
2 stops25h 15m
American Airlines
Fri 31/73:20 p.m.
UVF
-
YUL
2 stops18h 28m
American Airlines
Deal found 20/6C$ 690
Mon 23/119:20 a.m.
YUL
-
SLU
1 stop8h 40m
Multiple Airlines
Mon 30/1112:35 p.m.
SLU
-
YUL
1 stop10h 05m
Multiple Airlines
Deal found 22/6C$ 924

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 23 June 2026.

Round-trip from

C$ 572

One-way from

C$ 312
Air Canada
  • Air Canada
  • 6/7-17/7
  • 4 total stops
  • 43h 15m total
  • Montreal to Saint Lucia
Search Deals
Air Canada
  • Air Canada
  • 14/11
  • 2 total stops
  • 17h 50m 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 23 June 2026.
Use the filters below to find and compare flights from Montreal to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

6:00 a.m.-2:20 p.m.

1 stop8h 20m

Castries Hewanorra

Tue 1/9

3:15 p.m.-10:20 p.m.

2 stops31h 05m

C$ 626

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 24/7

6:00 a.m.-2:10 p.m.

1 stop8h 10m

Castries Hewanorra

Fri 31/7

3:05 p.m.-9:55 a.m.

2 stops18h 50m

C$ 679

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 4/7

6:45 a.m.-1:40 p.m.

1 stop30h 55m

Castries Hewanorra

Fri 10/7

3:05 p.m.-7:45 a.m.

1 stop16h 40m

C$ 733

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

3:48 p.m.-12:08 p.m.

2 stops20h 20m

Castries Hewanorra

Wed 29/7

3:20 p.m.-9:48 a.m.

2 stops18h 28m

C$ 754

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

12:30 p.m.-1:50 p.m.

2 stops25h 20m

Castries Hewanorra

Wed 29/7

3:20 p.m.-9:48 a.m.

2 stops18h 28m

C$ 819

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 4/7

12:30 p.m.-2:20 p.m.

2 stops25h 50m

Castries Hewanorra

Fri 10/7

2:50 p.m.-9:48 a.m.

2 stops18h 58m

C$ 897

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

2:29 p.m.-3:00 p.m.

1 stop23h 31m

Castries Hewanorra

Sat 26/12

3:06 p.m.-10:58 p.m.

1 stop8h 52m

C$ 900
Quickest round-trip

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Mon 23/11

9:20 a.m.-7:00 p.m.

1 stop8h 40m

Castries George F. L. Charle

Mon 30/11

12:35 p.m.-9:40 p.m.

1 stop10h 05m

C$ 924

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

8:10 p.m.-7:00 p.m.

2 stops21h 50m

Castries George F. L. Charle

Sat 14/11

12:35 p.m.-9:23 a.m.

2 stops21h 48m

C$ 1,040

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

2:29 p.m.-2:14 p.m.

2 stops23h 45m

Castries Hewanorra

Fri 14/8

3:34 p.m.-11:30 p.m.

2 stops31h 56m

C$ 1,243

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 296). Flying from Montreal to Saint Lucia in April is currently the most expensive (average of C$ 714). 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.

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 20m. 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, March is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 296). Flying from Montreal to Saint Lucia in April is currently the most expensive (average of C$ 714). 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

Browse thousands of different options on Cheapflights for your next trip

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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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Ottawa to Puerto Plata flights
Québec City to Simpson Bay flights
Ottawa to Santo Domingo flights
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Québec City to Providenciales flights
Ottawa to Nassau flights
Québec City to Luis Munoz Marin Intl flights
Ottawa to Oranjestad flights
Ottawa to Luis Munoz Marin Intl flights
Québec City to Willemstad flights
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Ottawa to Simpson Bay flights
Québec City to Nassau flights
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Ottawa to Providenciales flights

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 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 527AverageC$ 723FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Saint Lucia?

Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to Saint Lucia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

Can Cheapflights notify me if prices for flights from Montreal to Saint Lucia become cheaper?

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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