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Cheap flights from Montreal to Saint Lucia from C$ 319

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
28 Feb — 7 Mar1
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 29 January 2026.

Thu 29/17:00 a.m.
YUL
-
UVF
1 stop31h 03m
American Airlines
Thu 5/22:46 p.m.
UVF
-
YUL
2 stops25h 34m
American Airlines
Deal found 28/1C$ 528
Mon 2/212:59 p.m.
YUL
-
UVF
2 stops25h 04m
American Airlines
Mon 9/25:02 p.m.
UVF
-
YUL
2 stops23h 18m
American Airlines
Deal found 27/1C$ 534
Wed 25/36:00 a.m.
YUL
-
UVF
1 stop9h 25m
Air Canada
Wed 1/44:20 p.m.
UVF
-
YUL
1 stop9h 31m
Air Canada
Deal found 27/1C$ 577
Wed 25/26:00 a.m.
YUL
-
UVF
1 stop9h 20m
Air Canada
Wed 4/35:25 p.m.
UVF
-
YUL
2 stops19h 15m
Air Canada
Deal found 27/1C$ 605
Sun 22/24:50 p.m.
YUL
-
UVF
2 stops22h 35m
Air Canada
Wed 4/35:25 p.m.
UVF
-
YUL
2 stops19h 15m
Air Canada
Deal found 27/1C$ 656
Sat 21/23:45 p.m.
YUL
-
UVF
2 stops23h 13m
American Airlines
Mon 9/33:58 p.m.
UVF
-
YUL
2 stops45h 47m
American Airlines
Deal found 27/1C$ 669
Mon 9/39:30 p.m.
YUL
-
UVF
2 stops41h 55m
Air Canada
Thu 26/34:15 p.m.
UVF
-
YUL
2 stops19h 25m
Air Canada
Deal found 27/1C$ 694
Tue 10/39:30 p.m.
YUL
-
UVF
2 stops17h 55m
Air Canada
Thu 26/34:15 p.m.
UVF
-
YUL
2 stops19h 25m
Air Canada
Deal found 27/1C$ 699
Tue 17/38:50 a.m.
YUL
-
UVF
2 stops30h 35m
Air Canada
Thu 26/34:15 p.m.
UVF
-
YUL
2 stops19h 25m
Air Canada
Deal found 28/1C$ 717
Wed 11/36:00 a.m.
YUL
-
UVF
1 stop9h 25m
Air Canada
Thu 26/34:15 p.m.
UVF
-
YUL
2 stops14h 24m
Air Canada
Deal found 27/1C$ 724
Sun 8/36:10 p.m.
YUL
-
SLU
3 stops21h 25m
Multiple Airlines
Thu 12/35:50 p.m.
SLU
-
YUL
2 stops17h 45m
Multiple Airlines
Deal found 27/1C$ 1,233
Sun 1/37:30 a.m.
YUL
-
SLU
3 stops31h 05m
Multiple Airlines
Thu 5/36:20 p.m.
SLU
-
YUL
3 stops24h 25m
Multiple Airlines
Deal found 27/1C$ 1,276

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 29 January 2026.

Round-trip from

C$ 577

One-way from

C$ 464
Air Canada
  • Air Canada
  • 25/3-1/4
  • 2 total stops
  • 18h 56m total
  • Montreal to Saint Lucia
Search Deals
WestJet
  • WestJet
  • 14/3
  • 1 total stop
  • 31h 01m 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 29 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

Tue 24/2

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

2 stops17h 50m

Castries Hewanorra

Wed 4/3

5:25 p.m.-11:40 a.m.

2 stops19h 15m

C$ 656

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

8:50 a.m.-4:20 p.m.

2 stops54h 30m

Castries Hewanorra

Wed 4/3

5:25 p.m.-8:22 a.m.

1 stop15h 57m

C$ 656

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

3:45 p.m.-3:58 p.m.

2 stops47h 13m

Castries Hewanorra

Mon 9/3

3:58 p.m.-1:45 p.m.

2 stops45h 47m

C$ 669

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

3:45 p.m.-3:58 p.m.

2 stops23h 13m

Castries Hewanorra

Mon 9/3

3:58 p.m.-1:45 p.m.

2 stops45h 47m

C$ 669

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

4:50 p.m.-3:25 p.m.

2 stops46h 35m

Castries Hewanorra

Thu 26/3

4:15 p.m.-11:40 a.m.

2 stops19h 25m

C$ 699

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

10:30 p.m.-3:25 p.m.

1 stop16h 55m

Castries Hewanorra

Thu 26/3

4:15 p.m.-6:39 a.m.

2 stops14h 24m

C$ 699

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

10:30 p.m.-3:25 p.m.

1 stop16h 55m

Castries Hewanorra

Thu 26/3

4:15 p.m.-11:40 a.m.

2 stops19h 25m

C$ 717

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

6:30 p.m.-2:05 p.m.

1 stop19h 35m

Castries Hewanorra

Thu 25/6

2:30 p.m.-12:40 a.m.

1 stop10h 10m

C$ 741

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

3:45 p.m.-1:48 p.m.

2 stops46h 03m

Castries Hewanorra

Mon 23/3

3:18 p.m.-1:45 p.m.

1 stop22h 27m

C$ 747

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

7:00 a.m.-4:20 p.m.

1 stop8h 20m

Castries Hewanorra

Thu 5/3

5:15 p.m.-11:40 a.m.

2 stops19h 25m

C$ 790

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

Showing 1-10 of 21 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$ 190). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,131). 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 29 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
10,667 reviews
Check prices

Comfort

7.1

Crew

7.8

Boarding

7.3

Entertainment

6.8

Overall

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,667 reviews
Air Canada
7.1
Good
10,667 reviews
Check prices

Comfort

7.1

Crew

7.8

Boarding

7.3

Entertainment

6.8

Overall

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

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 17h 50m. 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$ 190). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,131). 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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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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 334AverageC$ 843FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 472AverageC$ 670FlexibilityNo 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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