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

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

How can I find direct flights from Pierre Elliott Trudeau Intl to Saint Lucia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Saint Lucia.

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Saint Lucia?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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$ 221+ Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia

Cheap flight deals from Pierre Elliott Trudeau Intl to Saint Lucia

Enter your travel dates to find the best prices.

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Best

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One-way

Cheapest flights from Pierre Elliott Trudeau Intl to Saint Lucia
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Sat 24/107:20 p.m. -

1 stop18h 35m

Tue 27/102:55 p.m. -

1 stop9h 35m

Deal found 7/9C$ 448

Sun 29/115:10 p.m. -

1 stop22h 30m

Wed 2/125:40 p.m. -

1 stop21h 45m

Deal found 5/9C$ 463

Fri 27/119:35 p.m. -

2 stops42h 05m

Mon 7/125:40 p.m. -

2 stops19h 13m

Deal found 9/9C$ 480

Thu 29/101:15 p.m. -

2 stops26h 25m

Sun 8/115:40 p.m. -

2 stops17h 23m

Deal found 7/9C$ 484

Thu 10/128:15 a.m. -

1 stop9h 45m

Mon 14/1212:35 p.m. -

1 stop9h 00m

Deal found 8/9C$ 829

Fri 27/119:20 p.m. -

2 stops20h 40m

Mon 7/1212:35 p.m. -

1 stop9h 00m

Deal found 9/9C$ 842

Tue 20/107:00 a.m. -

2 stops12h 00m

Sat 24/103:45 p.m. -

1 stop29h 55m

Deal found 7/9C$ 885

Fri 25/95:00 a.m. -

2 stops14h 00m

Thu 5/1112:35 p.m. -

2 stops12h 50m

Deal found 5/9C$ 895

Sun 18/1010:10 a.m. -

2 stops32h 50m

Sat 24/103:45 p.m. -

1 stop29h 55m

Deal found 6/9C$ 902

Sun 15/119:20 a.m. -

1 stop8h 40m

Sun 22/119:10 a.m. -

1 stop13h 30m

Deal found 7/9C$ 909

Tue 6/107:00 a.m. -

2 stops12h 00m

Tue 13/1012:35 p.m. -

2 stops13h 16m

Deal found 8/9C$ 921

Fri 23/107:00 a.m. -

2 stops12h 00m

Fri 30/1012:35 p.m. -

2 stops11h 50m

Deal found 8/9C$ 960

Best flights from Pierre Elliott Trudeau Intl to Saint Lucia
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Sun 29/113:00 p.m. -

2 stops24h 40m

Wed 2/125:40 p.m. -

2 stops19h 13m

Deal found 5/9C$ 474

Sat 24/106:00 a.m. -

1 stop7h 31m

Sat 31/1012:52 p.m. -

2 stops33h 50m

Deal found 8/9C$ 535

Sat 27/28:00 p.m. -

1 stop17h 55m

Sun 7/33:55 p.m. -

1 stop20h 35m

Deal found 5/9C$ 717

Thu 10/128:15 a.m. -

1 stop9h 45m

Mon 14/1212:35 p.m. -

1 stop9h 00m

Deal found 8/9C$ 829

Fri 27/119:35 p.m. -

2 stops42h 05m

Mon 7/125:40 p.m. -

2 stops19h 13m

Deal found 9/9C$ 480

Sat 10/106:00 a.m. -

1 stop7h 31m

Sat 17/102:35 p.m. -

2 stops20h 05m

Deal found 6/9C$ 535

Sat 31/103:00 p.m. -

2 stops25h 40m

Sun 15/115:40 p.m. -

1 stop15h 10m

Deal found 6/9C$ 594

Thu 10/126:00 a.m. -

1 stop9h 40m

Mon 14/125:40 p.m. -

1 stop9h 16m

Deal found 10/9C$ 601

Fri 30/102:13 p.m. -

2 stops25h 12m

Sat 7/111:52 p.m. -

1 stop25h 08m

Deal found 7/9C$ 733

Sat 2/19:20 p.m. -

1 stop18h 20m

Sun 17/15:40 p.m. -

2 stops17h 23m

Deal found 9/9C$ 618

Fri 25/96:00 a.m. -

2 stops13h 00m

Thu 5/119:10 a.m. -

1 stop13h 30m

Deal found 5/9C$ 910

Wed 6/19:20 a.m. -

1 stop8h 40m

Thu 14/112:35 p.m. -

1 stop10h 05m

Deal found 7/9C$ 938

Fri 8/16:00 a.m. -

2 stops12h 00m

Thu 14/112:35 p.m. -

2 stops12h 50m

Deal found 7/9C$ 961

Wed 6/19:20 a.m. -

1 stop8h 40m

Fri 15/13:45 p.m. -

2 stops11h 11m

Deal found 7/9C$ 1,002

Fri 1/17:10 a.m. -

2 stops10h 50m

Sun 17/19:10 a.m. -

1 stop13h 30m

Deal found 9/9C$ 1,002

Sun 13/128:15 a.m. -

1 stop9h 45m

Fri 15/13:45 p.m. -

2 stops11h 11m

Deal found 5/9C$ 1,016

Fri 6/118:00 p.m. -

2 stops22h 00m

Fri 13/1112:35 p.m. -

2 stops12h 50m

Deal found 6/9C$ 1,114

Sat 2/19:20 a.m. -

1 stop8h 40m

Sun 17/112:35 p.m. -

2 stops12h 50m

Deal found 9/9C$ 1,317

Fri 23/1010:10 a.m. -

3 stops25h 55m

Fri 30/109:10 a.m. -

2 stops15h 15m

Deal found 8/9C$ 1,339

Find flight deals from Pierre Elliott Trudeau Intl to Saint Lucia

Round-trip from	C$ 448
One-way from	C$ 221

WestJet
24/10-27/10
2 total stops
28h 10m total
Montreal to Saint Lucia

Search Deals

Air Canada
7/12-31/12
1 total stop
8h 30m total
Montreal to Saint Lucia

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia that are best for you.

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

Mon 7/12

7:10 a.m.-4:40 p.m.

1 stop8h 30m

Castries Hewanorra

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 221

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

10:30 p.m.-2:15 p.m.

1 stop15h 45m

Castries Hewanorra

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 239

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

5:00 a.m.-2:15 p.m.

1 stop9h 15m

Castries Hewanorra

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 239

Quickest round-trip

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

6:00 a.m.-1:31 p.m.

1 stop7h 31m

Castries Hewanorra

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 251

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

5:34 p.m.-2:02 p.m.

2 stops20h 28m

Castries Hewanorra

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 306

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 7/12

12:10 p.m.-1:32 p.m.

2 stops24h 22m

Castries Hewanorra

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 321

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

9:15 a.m.-1:31 p.m.

2 stops28h 16m

Castries Hewanorra

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 328

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - SLU Castries George F. L. Charle

YULSLU

Montreal Pierre Elliott Trudeau Intl

Fri 15/1

7:10 a.m.-7:00 p.m.

2 stops10h 50m

Castries George F. L. Charle

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 423

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - SLU Castries George F. L. Charle

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

9:55 p.m.-12:05 p.m.

2 stops38h 10m

Castries George F. L. Charle

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 441

MontrealCastries

YUL Montreal Pierre Elliott Trudeau Intl - UVF Castries Hewanorra

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 29/11

3:00 p.m.-4:40 p.m.

2 stops24h 40m

Castries Hewanorra

Wed 2/12

5:40 p.m.-11:53 a.m.

2 stops19h 13m

C$ 474

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 31 resultsSorted by cheapest first

Best time to book a flight from Pierre Elliott Trudeau Intl to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Saint Lucia

YUL-LC0

YUL-UVF

YUL-SLU

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?

Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia (average of C$ 568). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia in October is currently the most expensive (average of C$ 1,270). 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

Read reviews from past customers who have flown Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

11,609 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Micheline,Aug 2026

YUL - LAX

The wheelchair was offered asa i presented myself, the staff was attentive, friendly and helpful. The check in was quick and i was delivered to my gate in a timely manner. My carryon bag did not fit under the aisle seat, but does fit under the middle seat. I had no access to my carryon as it had to go in the overhead bin. The wheelchair was available as i deplaned. The attendant was very helpful and friendly. I’ve noticed a big improvement in this service during the last few years. Thanks.🙏

Air Canada

7.1

Good

11,609 reviews

Air Canada

7.1

Good

11,609 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Micheline,Aug 2026

YUL - LAX

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?
Departing from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia will take you 7h 31m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to 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 Pierre Elliott Trudeau Intl to Saint Lucia that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Saint Lucia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Saint Lucia.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Saint Lucia?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Saint Lucia?
Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia (average of C$ 568). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia in October is currently the most expensive (average of C$ 1,270). 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.

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Top airline flying from Pierre Elliott Trudeau Intl to Saint Lucia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 528	AverageC$ 698	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Saint Lucia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Saint Lucia from Pierre Elliott Trudeau Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Saint Lucia?

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Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Saint Lucia with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl to Saint Lucia become cheaper?

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia from C$ 221

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pierre Elliott Trudeau Intl to Saint Lucia

Cheapest flights from Pierre Elliott Trudeau Intl to Saint LuciaExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Pierre Elliott Trudeau Intl to Saint LuciaDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to Saint LuciaDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to Saint Lucia. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Saint Lucia. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to Saint LuciaSearch for one-way flight options from Pierre Elliott Trudeau Intl to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Pierre Elliott Trudeau Intl to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Pierre Elliott Trudeau Intl to Saint Lucia

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia that are best for you.

Best time to book a flight from Pierre Elliott Trudeau Intl to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Pierre Elliott Trudeau Intl with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?

Reviews of airlines servicing Saint Lucia

Read reviews from past customers who have flown Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?

Can I find deals for flights from Pierre Elliott Trudeau Intl to Saint Lucia that include hotel bookings?

How can I find direct flights from Pierre Elliott Trudeau Intl to Saint Lucia?

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Saint Lucia?

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pierre Elliott Trudeau Intl to Saint Lucia

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Complete your trip

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Search flights from Pierre Elliott Trudeau Intl to Saint Lucia by cabin class

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

Pierre Elliott Trudeau Intl and Saint Lucia flights

Browse other Pierre Elliott Trudeau Intl and Saint Lucia flight options. Last updated on 10 September 2026.

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Top airline flying from Pierre Elliott Trudeau Intl to Saint Lucia

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Saint Lucia?

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Saint Lucia?

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Saint Lucia with no change fees?

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Saint Lucia become cheaper?

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Cheapest flights from Pierre Elliott Trudeau Intl to Saint Lucia
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Pierre Elliott Trudeau Intl to Saint Lucia
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to Saint Lucia
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Saint Lucia. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to Saint Lucia
Search for one-way flight options from Pierre Elliott Trudeau Intl to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.