Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal to Saint Lucia from C$ 256

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
21 Aug — 28 Aug1
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 22 July 2026.

Fri 2/105:00 a.m.
YUL
-
UVF
1 stop9h 15m
Air Canada
Fri 9/103:15 p.m.
UVF
-
YUL
2 stops15h 35m
Air Canada
Deal found 22/7C$ 620
Thu 27/85:34 p.m.
YUL
-
UVF
2 stops20h 45m
American Airlines
Fri 4/93:19 p.m.
UVF
-
YUL
2 stops24h 10m
American Airlines
Deal found 18/7C$ 625
Sun 29/116:00 a.m.
YUL
-
UVF
1 stop9h 40m
Air Canada
Mon 14/125:40 p.m.
UVF
-
YUL
1 stop15h 45m
Air Canada
Deal found 21/7C$ 700
Fri 27/117:10 a.m.
YUL
-
UVF
1 stop8h 30m
Air Canada
Fri 4/125:40 p.m.
UVF
-
YUL
1 stop20h 45m
Air Canada
Deal found 21/7C$ 708
Wed 23/127:30 a.m.
YUL
-
UVF
1 stop29h 36m
American Airlines
Tue 29/122:04 p.m.
UVF
-
YUL
2 stops26h 07m
American Airlines
Deal found 19/7C$ 755
Sun 2/86:55 p.m.
YUL
-
UVF
2 stops43h 25m
Air Canada
Fri 14/83:15 p.m.
UVF
-
YUL
2 stops39h 35m
Air Canada
Deal found 18/7C$ 766
Thu 26/112:24 p.m.
YUL
-
UVF
1 stop23h 43m
American Airlines
Sat 26/123:06 p.m.
UVF
-
YUL
1 stop8h 52m
American Airlines
Deal found 21/7C$ 807
Sun 23/87:14 a.m.
YUL
-
UVF
1 stop30h 35m
American Airlines
Sun 30/82:49 p.m.
UVF
-
YUL
2 stops20h 54m
American Airlines
Deal found 19/7C$ 820
Thu 10/128:15 a.m.
YUL
-
SLU
1 stop9h 45m
Multiple Airlines
Mon 21/1212:35 p.m.
SLU
-
YUL
1 stop9h 00m
Multiple Airlines
Deal found 21/7C$ 838
Thu 10/128:15 a.m.
YUL
-
SLU
1 stop9h 45m
Multiple Airlines
Sun 20/1212:35 p.m.
SLU
-
YUL
2 stops12h 50m
Multiple Airlines
Deal found 21/7C$ 849
Mon 21/1212:59 p.m.
YUL
-
UVF
1 stop24h 07m
American Airlines
Tue 29/122:04 p.m.
UVF
-
YUL
2 stops26h 07m
American Airlines
Deal found 19/7C$ 851
Thu 10/128:15 a.m.
YUL
-
SLU
1 stop9h 45m
Multiple Airlines
Tue 22/1212:35 p.m.
SLU
-
YUL
2 stops12h 50m
Multiple Airlines
Deal found 21/7C$ 953

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 22 July 2026.

Round-trip from

C$ 620

One-way from

C$ 256
Air Canada
  • Air Canada
  • 2/10-9/10
  • 3 total stops
  • 24h 50m total
  • Montreal to Saint Lucia
Search Deals
Air Canada
  • Air Canada
  • 7/8
  • 1 total stop
  • 8h 20m 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 22 July 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

Fri 2/10

6:00 a.m.-2:15 p.m.

1 stop8h 15m

Castries Hewanorra

Fri 9/10

3:15 p.m.-7:36 a.m.

1 stop16h 21m

C$ 620

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 26/8

7:29 a.m.-2:19 p.m.

1 stop30h 50m

Castries Hewanorra

Sun 30/8

2:49 p.m.-11:43 a.m.

2 stops20h 54m

C$ 708

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

2:24 p.m.-1:29 p.m.

2 stops22h 05m

Castries Hewanorra

Sat 26/12

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

1 stop8h 52m

C$ 766

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

4:40 p.m.-7:00 p.m.

2 stops26h 20m

Castries George F. L. Charle

Thu 17/9

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

2 stops40h 00m

C$ 1,020

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 28/11

6:10 a.m.-4:25 p.m.

1 stop9h 15m

Castries Hewanorra

Sat 5/12

5:17 p.m.-8:32 a.m.

1 stop16h 15m

C$ 1,118

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

7:50 p.m.-2:21 p.m.

2 stops18h 31m

Castries Hewanorra

Tue 27/10

3:41 p.m.-11:22 p.m.

2 stops31h 41m

C$ 1,132

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 11/1

11:15 a.m.-3:05 p.m.

2 stops26h 50m

Castries Hewanorra

Sat 16/1

4:25 p.m.-11:35 p.m.

2 stops32h 10m

C$ 1,213

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

6:45 a.m.-9:20 a.m.

2 stops25h 35m

Castries George F. L. Charle

Wed 23/12

12:35 p.m.-11:20 p.m.

1 stop11h 45m

C$ 1,473

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Tue 8/12

5:25 p.m.-9:30 a.m.

2 stops15h 05m

Castries George F. L. Charle

Wed 23/12

3:45 p.m.-11:20 p.m.

1 stop8h 35m

C$ 1,604

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Tue 8/12

5:25 p.m.-9:30 a.m.

2 stops15h 05m

Castries George F. L. Charle

Sun 20/12

3:45 p.m.-11:20 p.m.

1 stop8h 35m

C$ 1,637

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 20 resultsSorted by cheapest first
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, August is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 652). Flying from Montreal to Saint Lucia in April is currently the most expensive (average of C$ 1,030). 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 22 July 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
11,371 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Food

6.3

Comfort

7.1

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,371 reviews
Air Canada
7.1
Good
11,371 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Food

6.3

Comfort

7.1

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

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 15m. 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, August is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 652). Flying from Montreal to Saint Lucia in April is currently the most expensive (average of C$ 1,030). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Punta Cana flights
Pierre Elliott Trudeau Intl to Pointe-à-Pitre flights
Pierre Elliott Trudeau Intl to Fort-de-France flights
Pierre Elliott Trudeau Intl to Willemstad flights
Pierre Elliott Trudeau Intl to Simpson Bay flights
Pierre Elliott Trudeau Intl to Nassau flights
Pierre Elliott Trudeau Intl to Puerto Plata flights
Québec City to Fort-de-France flights
Pierre Elliott Trudeau Intl to Oranjestad flights
Pierre Elliott Trudeau Intl to Bridgetown flights
Ottawa to Punta Cana flights
Pierre Elliott Trudeau Intl to Luis Munoz Marin Intl flights
Pierre Elliott Trudeau Intl to Montego Bay flights
Pierre Elliott Trudeau Intl to Providenciales flights
Pierre Elliott Trudeau Intl to Nagua flights
Québec City to Punta Cana flights
Québec City to Pointe-à-Pitre flights
Pierre Elliott Trudeau Intl to Santo Domingo flights
Québec City to Puerto Plata flights
Ottawa to Bridgetown flights
Pierre Elliott Trudeau Intl to Kingston flights
Pierre Elliott Trudeau Intl to Cap Haitien flights
Pierre Elliott Trudeau Intl to St. John's flights
Pierre Elliott Trudeau Intl to Port of Spain flights
Ottawa to Oranjestad flights
Pierre Elliott Trudeau Intl to Kingstown flights
Québec City to Montego Bay flights
Ottawa to Nassau flights
Ottawa to Willemstad flights
Pierre Elliott Trudeau Intl to George Town flights
Pierre Elliott Trudeau Intl to St. George's flights
Pierre Elliott Trudeau Intl to Freeport flights
Ottawa to Luis Munoz Marin Intl flights
Ottawa to Montego Bay flights
Québec City to Willemstad flights
Ottawa to Puerto Plata flights
Québec City to Oranjestad flights
Ottawa to George Town flights
Québec City to Simpson Bay flights
Québec City to Luis Munoz Marin Intl flights
Ottawa to Providenciales flights
Ottawa to Kingston flights
Pierre Elliott Trudeau Intl to Kralendijk flights
Québec City to Santo Domingo flights
Pierre Elliott Trudeau Intl to Castries flights
Pierre Elliott Trudeau Intl to Santiago de los Caballeros flights
Québec City to Nassau flights
Ottawa to Simpson Bay flights
Pierre Elliott Trudeau Intl to La Romana flights
Québec City 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 22 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 527AverageC$ 715FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.