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Cheap flights from Montreal to Saint Lucia from C$ 239

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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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 5 November 2025.

Thu 6/1112:59 p.m.YUL - UVF
2 stops25h 05mAmerican Airlines
Sun 9/114:04 p.m.UVF - YUL
1 stop31h 35mAmerican Airlines
Deal found 3/11C$ 519
Fri 28/117:14 a.m.YUL - UVF
1 stop30h 40mAmerican Airlines
Fri 5/124:00 p.m.UVF - YUL
1 stop31h 42mAmerican Airlines
Deal found 3/11C$ 525
Mon 24/117:00 a.m.YUL - UVF
1 stop31h 00mAmerican Airlines
Fri 5/124:00 p.m.UVF - YUL
1 stop31h 42mAmerican Airlines
Deal found 3/11C$ 576
Thu 6/1112:59 p.m.YUL - UVF
2 stops25h 05mAmerican Airlines
Fri 14/114:05 p.m.UVF - YUL
1 stop22h 44mAmerican Airlines
Deal found 4/11C$ 580
Tue 25/113:50 p.m.YUL - UVF
2 stops22h 10mAmerican Airlines
Fri 5/124:53 p.m.UVF - YUL
2 stops45h 56mAmerican Airlines
Deal found 5/11C$ 600
Mon 10/117:00 a.m.YUL - UVF
1 stop8h 25mAir Canada
Fri 14/115:15 p.m.UVF - YUL
1 stop31h 07mAir Canada
Deal found 4/11C$ 622
Sat 8/117:14 a.m.YUL - UVF
2 stops31h 38mAmerican Airlines
Fri 14/114:05 p.m.UVF - YUL
2 stops21h 10mAmerican Airlines
Deal found 4/11C$ 663
Fri 14/112:29 p.m.YUL - UVF
1 stop23h 31mAmerican Airlines
Thu 20/114:52 p.m.UVF - YUL
2 stops23h 30mAmerican Airlines
Deal found 4/11C$ 669
Sun 7/127:00 p.m.YUL - SLU
2 stops21h 30mMultiple Airlines
Sat 20/129:10 a.m.SLU - YUL
1 stop13h 35mMultiple Airlines
Deal found 3/11C$ 1,159
Mon 24/114:10 p.m.YUL - SLU
2 stops25h 50mMultiple Airlines
Wed 3/1210:15 a.m.SLU - YUL
2 stops12h 30mMultiple Airlines
Deal found 4/11C$ 1,366
Mon 24/118:10 p.m.YUL - SLU
2 stops21h 50mMultiple Airlines
Fri 5/121:55 p.m.SLU - YUL
2 stops10h 57mMultiple Airlines
Deal found 3/11C$ 1,466
Thu 13/116:45 a.m.YUL - SLU
2 stops29h 35mMultiple Airlines
Mon 17/1112:35 p.m.SLU - YUL
2 stops13h 08mMultiple Airlines
Deal found 5/11C$ 1,536

Cheap 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 5 November 2025.

Round-trip from

C$ 525

One-way from

C$ 239
American Airlines
  • American Airlines
  • 28/11-5/12
  • 2 total stops
  • 62h 22m total
  • Montreal to Saint Lucia
Search Deals
American Airlines
  • American Airlines
  • 13/11
  • 2 total stops
  • 22h 12m 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 5 November 2025.
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

Wed 7/1

6:00 a.m.-4:20 p.m.

1 stop9h 20m

Castries Hewanorra

Wed 14/1

5:15 p.m.-1:53 a.m.

1 stop9h 38m

C$ 569

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

3:49 p.m.-1:19 p.m.

2 stops20h 30m

Castries Hewanorra

Fri 5/12

4:00 p.m.-1:45 p.m.

1 stop22h 45m

C$ 583

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 25/11

7:14 a.m.-3:00 p.m.

1 stop30h 46m

Castries Hewanorra

Thu 4/12

4:53 p.m.-1:45 p.m.

2 stops45h 52m

C$ 600

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

2:25 p.m.-4:02 p.m.

2 stops24h 37m

Castries Hewanorra

Wed 28/1

5:02 p.m.-3:20 p.m.

2 stops23h 18m

C$ 624

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

9:30 p.m.-4:25 p.m.

1 stop17h 55m

Castries Hewanorra

Wed 11/3

4:15 p.m.-1:53 a.m.

1 stop9h 38m

C$ 643

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

3:49 p.m.-3:52 p.m.

2 stops23h 03m

Castries Hewanorra

Thu 4/12

4:53 p.m.-10:59 p.m.

2 stops31h 06m

C$ 650

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

3:49 p.m.-3:52 p.m.

2 stops23h 03m

Castries Hewanorra

Fri 5/12

4:53 p.m.-12:20 p.m.

2 stops20h 27m

C$ 650

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

3:35 p.m.-4:25 p.m.

2 stops47h 50m

Castries Hewanorra

Fri 13/3

4:15 p.m.-7:48 a.m.

1 stop15h 33m

C$ 657

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

6:00 a.m.-3:30 p.m.

1 stop9h 30m

Castries Hewanorra

Fri 3/4

4:20 p.m.-1:51 a.m.

1 stop9h 31m

C$ 672

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

7:10 a.m.-3:30 p.m.

1 stop8h 20m

Castries Hewanorra

Wed 1/4

4:20 p.m.-1:51 a.m.

1 stop9h 31m

C$ 683

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 26 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$ 197). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 770). 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.

What is the cheapest time of day to fly from YMQ to LC?

Find hourly flight availability from Montreal to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2025.

It’s typically best to fly out from Montreal to Saint Lucia at noon. Doing so could potentially save you 34% on the flight price compared to flying in the evening, which is usually more expensive.

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 5 November 2025.
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
10,408 reviews
Check prices

Boarding

7.3

Food

6.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
Air Canada
7.1
Good
10,408 reviews
Air Canada
7.1
Good
10,408 reviews
Check prices

Boarding

7.3

Food

6.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.

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 9h 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, February is the cheapest month in which you can book a flight from Montreal to Saint Lucia (average of C$ 197). Flying from Montreal to Saint Lucia in October is currently the most expensive (average of C$ 770). 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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 516AverageC$ 772FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 544AverageC$ 767FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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