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Cheap flights from Montreal to Saint Lucia from C$ 399

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
25 apr — 2 maj1
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 26 mars 2026.

lör 23/57:20 p.m.
YUL
-
UVF
1 stop18h 20m
WestJet
sön 14/62:30 p.m.
UVF
-
YUL
1 stop9h 55m
WestJet
Deal found 21/3C$ 527
ons 20/57:20 p.m.
YUL
-
UVF
1 stop18h 20m
WestJet
tors 28/52:30 p.m.
UVF
-
YUL
1 stop9h 55m
WestJet
Deal found 21/3C$ 534
ons 20/57:20 p.m.
YUL
-
UVF
1 stop18h 20m
WestJet
sön 7/62:30 p.m.
UVF
-
YUL
1 stop9h 55m
WestJet
Deal found 21/3C$ 535
sön 12/49:15 a.m.
YUL
-
UVF
1 stop29h 55m
Air Canada
tors 16/44:15 p.m.
UVF
-
YUL
1 stop20h 06m
Air Canada
Deal found 22/3C$ 565
lör 23/57:20 p.m.
YUL
-
UVF
1 stop18h 20m
WestJet
sön 21/62:30 p.m.
UVF
-
YUL
1 stop9h 55m
WestJet
Deal found 22/3C$ 571
mån 13/412:00 p.m.
YUL
-
UVF
1 stop25h 46m
WestJet
tis 21/42:40 p.m.
UVF
-
YUL
1 stop9h 58m
WestJet
Deal found 22/3C$ 612
mån 13/45:00 a.m.
YUL
-
UVF
1 stop10h 10m
Air Canada
tors 16/44:15 p.m.
UVF
-
YUL
1 stop16h 06m
Air Canada
Deal found 22/3C$ 616
sön 31/59:20 p.m.
YUL
-
UVF
2 stops40h 50m
Air Canada
tis 16/63:05 p.m.
UVF
-
YUL
2 stops15h 44m
Air Canada
Deal found 21/3C$ 621
ons 22/77:20 p.m.
YUL
-
UVF
1 stop18h 20m
WestJet
sön 2/82:30 p.m.
UVF
-
YUL
1 stop9h 55m
WestJet
Deal found 21/3C$ 627
fre 10/49:10 a.m.
YUL
-
SLU
1 stop8h 05m
Multiple Airlines
lör 18/45:50 p.m.
SLU
-
YUL
2 stops24h 35m
Multiple Airlines
Deal found 24/3C$ 1,158
sön 3/57:15 p.m.
YUL
-
SLU
2 stops20h 20m
Multiple Airlines
tis 12/57:10 p.m.
SLU
-
YUL
2 stops19h 03m
Multiple Airlines
Deal found 21/3C$ 1,168
sön 12/47:00 a.m.
YUL
-
SLU
1 stop10h 15m
Multiple Airlines
lör 18/45:50 p.m.
SLU
-
YUL
2 stops24h 35m
Multiple Airlines
Deal found 22/3C$ 1,169

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 26 mars 2026.

Round-trip from

C$ 527

One-way from

C$ 399
WestJet
  • WestJet
  • 23/5-14/6
  • 2 total stops
  • 28h 15m total
  • Montreal to Saint Lucia
Search Deals
American Airlines
  • American Airlines
  • 7/5
  • 1 total stop
  • 30h 57m 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 26 mars 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
Quickest round-trip

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

lör 8/8

7:20 p.m.-1:40 p.m.

1 stop18h 20m

Castries Hewanorra

sön 23/8

2:30 p.m.-12:25 a.m.

1 stop9h 55m

C$ 648

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

sön 9/8

9:20 p.m.-2:20 p.m.

2 stops41h 00m

Castries Hewanorra

fre 21/8

3:15 p.m.-8:20 a.m.

1 stop17h 05m

C$ 858

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

ons 27/5

8:00 p.m.-1:10 p.m.

2 stops17h 10m

Castries George F. L. Charle

mån 1/6

7:10 p.m.-5:26 p.m.

3 stops22h 16m

C$ 1,202

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

tors 7/5

7:14 a.m.-1:45 p.m.

1 stop30h 31m

Castries Hewanorra

tis 12/5

3:13 p.m.-3:27 p.m.

2 stops24h 14m

C$ 1,342

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

fre 10/4

4:50 p.m.-5:05 p.m.

3 stops24h 15m

Castries George F. L. Charle

lör 18/4

5:50 p.m.-6:25 p.m.

2 stops24h 35m

C$ 1,346

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

tis 30/6

7:00 a.m.-6:25 p.m.

2 stops11h 25m

Castries George F. L. Charle

tis 7/7

9:10 a.m.-7:45 a.m.

2 stops22h 35m

C$ 1,360

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

ons 22/7

6:55 p.m.-7:00 p.m.

3 stops24h 05m

Castries George F. L. Charle

ons 29/7

12:35 p.m.-7:45 a.m.

2 stops19h 10m

C$ 1,413

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

lör 25/4

6:00 a.m.-2:02 p.m.

2 stops32h 02m

Castries Hewanorra

tis 28/4

3:22 p.m.-6:20 p.m.

2 stops26h 58m

C$ 1,416

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

mån 4/5

8:00 p.m.-3:35 p.m.

2 stops19h 35m

Castries George F. L. Charle

mån 11/5

7:10 p.m.-10:36 a.m.

2 stops15h 26m

C$ 1,424

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

tis 14/4

6:45 p.m.-2:02 p.m.

1 stop19h 17m

Castries Hewanorra

tis 21/4

3:22 p.m.-11:38 a.m.

1 stop20h 16m

C$ 1,462

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/3

Showing 1-10 of 25 resultsSorted by cheapest first
1
2
3

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, July is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 302). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,156). 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 26 mars 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
10,842 reviews
Check prices

Comfort

7.1

Crew

7.8

Food

6.3

Boarding

7.3

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.
Air Canada
7.1
Good
10,842 reviews
Air Canada
7.1
Good
10,842 reviews
Check prices

Comfort

7.1

Crew

7.8

Food

6.3

Boarding

7.3

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

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 18h 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, July is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 302). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 1,156). 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 26 mars 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 441AverageC$ 692FlexibilityNo 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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