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.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal to Saint Lucia as you normally would.

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.

C$ 216+ Cheap Flights from Montreal to Saint Lucia

Cheap flight deals from Montreal to Saint Lucia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 17 August 2026.

Sat 5/96:45 a.m. -

1 stop30h 55m

Sun 13/92:30 p.m. -

1 stop9h 55m

Deal found 13/8C$ 459

Sun 30/810:40 a.m. -

2 stops51h 40m

Fri 4/93:15 p.m. -

1 stop20h 37m

Deal found 12/8C$ 484

Sat 24/109:20 p.m. -

2 stops18h 20m

Sun 1/115:40 p.m. -

2 stops19h 13m

Deal found 14/8C$ 492

Thu 22/1010:30 p.m. -

1 stop15h 45m

Sun 1/115:40 p.m. -

2 stops19h 13m

Deal found 14/8C$ 495

Sat 24/109:20 p.m. -

2 stops18h 20m

Tue 3/113:40 p.m. -

1 stop9h 53m

Deal found 13/8C$ 499

Fri 23/109:20 p.m. -

2 stops42h 20m

Mon 26/104:40 p.m. -

2 stops19h 13m

Deal found 13/8C$ 510

Wed 25/117:10 p.m. -

1 stop20h 30m

Wed 9/125:40 p.m. -

2 stops17h 23m

Deal found 14/8C$ 532

Wed 2/128:00 p.m. -

1 stop19h 40m

Mon 14/125:40 p.m. -

1 stop18h 45m

Deal found 16/8C$ 539

Tue 6/107:00 a.m. -

2 stops12h 00m

Sun 11/109:10 a.m. -

2 stops23h 10m

Deal found 16/8C$ 825

Sun 22/119:20 a.m. -

1 stop28h 55m

Sat 28/1112:35 p.m. -

2 stops12h 50m

Deal found 14/8C$ 832

Sun 25/109:20 p.m. -

2 stops21h 40m

Sat 31/1012:35 p.m. -

2 stops11h 50m

Deal found 13/8C$ 868

Sat 10/108:30 p.m. -

2 stops22h 30m

Wed 14/1012:35 p.m. -

2 stops19h 45m

Deal found 15/8C$ 882

Best flights from Montreal to Saint Lucia
Discover carefully curated flight deals from Montreal to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 August 2026.

Fri 23/106:00 a.m. -

1 stop8h 15m

Mon 26/104:40 p.m. -

1 stop21h 45m

Deal found 13/8C$ 510

Sat 9/13:52 p.m. -

2 stops20h 55m

Sat 16/13:06 p.m. -

1 stop22h 18m

Deal found 12/8C$ 549

Sun 22/119:35 p.m. -

2 stops18h 05m

Sat 28/113:55 p.m. -

1 stop9h 38m

Deal found 14/8C$ 593

Fri 23/109:45 a.m. -

2 stops27h 46m

Sat 31/104:17 p.m. -

1 stop30h 25m

Deal found 14/8C$ 617

Sun 30/810:40 a.m. -

2 stops51h 40m

Fri 4/93:15 p.m. -

2 stops31h 01m

Deal found 12/8C$ 520

Fri 8/13:59 p.m. -

1 stop21h 07m

Sat 16/13:06 p.m. -

1 stop22h 18m

Deal found 12/8C$ 627

Thu 7/12:25 p.m. -

2 stops22h 22m

Sat 16/13:06 p.m. -

1 stop22h 18m

Deal found 12/8C$ 632

Mon 4/16:00 a.m. -

1 stop9h 40m

Thu 14/15:40 p.m. -

2 stops14h 08m

Deal found 16/8C$ 670

Sat 16/19:20 p.m. -

1 stop18h 20m

Wed 27/15:40 p.m. -

2 stops17h 23m

Deal found 16/8C$ 670

Thu 26/1112:10 p.m. -

2 stops24h 19m

Sat 26/123:24 p.m. -

1 stop25h 04m

Deal found 16/8C$ 674

Sun 22/119:20 a.m. -

1 stop28h 55m

Sat 28/1112:35 p.m. -

2 stops12h 50m

Deal found 14/8C$ 832

Sat 10/108:30 p.m. -

2 stops22h 30m

Wed 14/1012:35 p.m. -

2 stops19h 45m

Deal found 15/8C$ 882

Thu 4/29:20 a.m. -

1 stop8h 40m

Thu 18/212:35 p.m. -

1 stop10h 05m

Deal found 13/8C$ 921

Thu 4/29:20 a.m. -

1 stop8h 40m

Wed 17/212:35 p.m. -

1 stop10h 05m

Deal found 13/8C$ 921

Fri 9/106:00 a.m. -

2 stops13h 00m

Wed 14/1012:35 p.m. -

2 stops13h 16m

Deal found 15/8C$ 1,088

Sat 16/18:00 p.m. -

2 stops22h 00m

Wed 27/112:35 p.m. -

2 stops12h 50m

Deal found 16/8C$ 1,158

Fri 18/95:45 p.m. -

2 stops28h 25m

Fri 25/912:35 p.m. -

2 stops21h 46m

Deal found 17/8C$ 1,215

Wed 3/25:00 a.m. -

2 stops13h 00m

Thu 18/212:35 p.m. -

1 stop10h 05m

Deal found 13/8C$ 1,244

Sat 31/106:45 a.m. -

3 stops15h 25m

Sat 7/1112:35 p.m. -

2 stops12h 50m

Deal found 17/8C$ 1,339

Sun 31/110:40 a.m. -

1 stop27h 35m

Wed 17/23:45 p.m. -

1 stop8h 35m

Deal found 13/8C$ 1,350

Find flight deals from Montreal to Saint Lucia

Round-trip from	C$ 459
One-way from	C$ 216

WestJet
5/9-13/9
2 total stops
40h 50m total
Montreal to Saint Lucia

Search Deals

Air Canada
30/9
2 total stops
51h 35m total
Montreal to Saint Lucia

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

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

1 stop8h 15m

Castries Hewanorra

Mon 26/10

4:40 p.m.-2:25 p.m.

1 stop21h 45m

C$ 510

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

10:40 a.m.-2:20 p.m.

2 stops51h 40m

Castries Hewanorra

Fri 4/9

3:15 p.m.-10:16 p.m.

2 stops31h 01m

C$ 520

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 9/1

3:52 p.m.-1:47 p.m.

2 stops20h 55m

Castries Hewanorra

Sat 16/1

3:06 p.m.-12:24 p.m.

1 stop22h 18m

C$ 549

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 22/11

9:35 p.m.-4:40 p.m.

2 stops18h 05m

Castries Hewanorra

Sat 28/11

3:55 p.m.-12:33 a.m.

1 stop9h 38m

C$ 593

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

9:45 a.m.-1:31 p.m.

2 stops27h 46m

Castries Hewanorra

Sat 31/10

4:17 p.m.-10:42 p.m.

1 stop30h 25m

C$ 617

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 8/1

3:59 p.m.-2:06 p.m.

1 stop21h 07m

Castries Hewanorra

Sat 16/1

3:06 p.m.-12:24 p.m.

1 stop22h 18m

C$ 627

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 7/1

2:25 p.m.-1:47 p.m.

2 stops22h 22m

Castries Hewanorra

Sat 16/1

3:06 p.m.-12:24 p.m.

1 stop22h 18m

C$ 632

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 4/1

6:00 a.m.-4:40 p.m.

1 stop9h 40m

Castries Hewanorra

Thu 14/1

5:40 p.m.-6:48 a.m.

2 stops14h 08m

C$ 670

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 16/1

9:20 p.m.-4:40 p.m.

1 stop18h 20m

Castries Hewanorra

Wed 27/1

5:40 p.m.-10:03 a.m.

2 stops17h 23m

C$ 670

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

12:10 p.m.-1:29 p.m.

2 stops24h 19m

Castries Hewanorra

Sat 26/12

3:24 p.m.-3:28 p.m.

1 stop25h 04m

C$ 674

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/8

Showing 1-10 of 32 resultsSorted by cheapest first

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.

YUL-UVF

YUL-SLU

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

YMQ-LC0

YUL-UVF

YUL-SLU

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$ 571). Flying from Montreal to Saint Lucia in April is currently the most expensive (average of C$ 1,013). 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

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

11,483 reviews

Check prices

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

11,483 reviews

Air Canada

7.1

Good

11,483 reviews

Check prices

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

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$ 571). Flying from Montreal to Saint Lucia in April is currently the most expensive (average of C$ 1,013). 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

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Top airline flying from Montreal to Saint Lucia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 531	AverageC$ 692	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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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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Cheap flights from Montreal to Saint Lucia from C$ 216

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montreal to Saint Lucia

Cheapest flights from Montreal to Saint LuciaExplore 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 17 August 2026.

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 17 August 2026.

Best flights from Montreal to Saint LuciaDiscover carefully curated flight deals from Montreal to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 August 2026.

Discover carefully curated flight deals from Montreal to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 August 2026.

Last-minute flights from Montreal to Saint LuciaDiscover last-minute flight deals from Montreal to Saint Lucia. Data last updated 17 August 2026 and is based on user searches.

Discover last-minute flight deals from Montreal to Saint Lucia. Data last updated 17 August 2026 and is based on user searches.

One-way flights from Montreal to Saint LuciaSearch for one-way flight options from Montreal to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.

Search for one-way flight options from Montreal to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.

Find flight deals from Montreal to Saint Lucia

Round-trip from

One-way from

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Use the filters below to find and compare flights from Montreal to Saint Lucia that are best for you.

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.

Cheapflights Insights

What is the cheapest month to book a flight from Montreal to Saint Lucia?

Reviews of airlines servicing Saint Lucia

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.

Related info for your journey

How long is the flight from Montreal to Saint Lucia?

Can I find deals for flights from Montreal to Saint Lucia that include hotel bookings?

How can I find direct flights from Montreal to Saint Lucia?

Can I find deals for business class flights from Montreal to Saint Lucia?

What is the cheapest month to book a flight from Montreal to Saint Lucia?

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.

Complete your trip

Complete your trip to Saint Lucia by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

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Search flights from Montreal to Saint Lucia by cabin class

Find flights from Montreal to Saint Lucia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Montreal and Saint Lucia flights

Browse other Montreal and Saint Lucia flight options. Last updated on 17 August 2026.

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Montreal to Saint Lucia flights

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Top airline flying from Montreal to Saint Lucia

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How does Cheapflights help users find flights from Montreal to Saint Lucia?

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

Can Cheapflights find flights from Montreal to Saint Lucia with no change fees?

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

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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 17 August 2026.

Best flights from Montreal to Saint Lucia
Discover carefully curated flight deals from Montreal to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 August 2026.

Last-minute flights from Montreal to Saint Lucia
Discover last-minute flight deals from Montreal to Saint Lucia. Data last updated 17 August 2026 and is based on user searches.

One-way flights from Montreal to Saint Lucia
Search for one-way flight options from Montreal to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.