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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia from C$ 237

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — UVF
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Saint Lucia

Enter your travel dates to find the best prices.

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 26 July 2026.

Sat 22/84:15 p.m.
YUL
-
UVF
2 stops22h 14m
American Airlines
Fri 28/83:19 p.m.
UVF
-
YUL
2 stops20h 24m
American Airlines
Deal found 23/7C$ 559
Wed 26/85:34 p.m.
YUL
-
UVF
2 stops20h 45m
American Airlines
Tue 1/92:49 p.m.
UVF
-
YUL
2 stops23h 55m
American Airlines
Deal found 24/7C$ 565
Sat 31/108:00 p.m.
YUL
-
UVF
1 stop20h 40m
Air Canada
Fri 6/115:40 p.m.
UVF
-
YUL
1 stop15h 45m
Air Canada
Deal found 24/7C$ 600
Fri 23/106:00 a.m.
YUL
-
UVF
1 stop8h 15m
Air Canada
Thu 29/104:40 p.m.
UVF
-
YUL
2 stops14h 08m
Air Canada
Deal found 23/7C$ 616
Fri 2/105:00 a.m.
YUL
-
UVF
1 stop9h 15m
Air Canada
Fri 9/103:15 p.m.
UVF
-
YUL
2 stops15h 35m
Air Canada
Deal found 22/7C$ 620
Sat 24/1011:10 a.m.
YUL
-
UVF
1 stop28h 30m
Air Canada
Fri 30/104:40 p.m.
UVF
-
YUL
1 stop17h 45m
Air Canada
Deal found 23/7C$ 621
Sat 15/82:30 p.m.
YUL
-
UVF
1 stop23h 59m
American Airlines
Fri 21/83:19 p.m.
UVF
-
YUL
2 stops23h 25m
American Airlines
Deal found 23/7C$ 623
Wed 19/82:30 p.m.
YUL
-
UVF
1 stop23h 49m
American Airlines
Tue 25/82:49 p.m.
UVF
-
YUL
2 stops24h 40m
American Airlines
Deal found 23/7C$ 627
Sat 29/83:45 p.m.
YUL
-
UVF
2 stops22h 04m
American Airlines
Fri 4/93:19 p.m.
UVF
-
YUL
2 stops24h 10m
American Airlines
Deal found 23/7C$ 628
Thu 10/128:15 a.m.
YUL
-
SLU
1 stop9h 45m
Multiple Airlines
Mon 21/1212:35 p.m.
SLU
-
YUL
1 stop9h 00m
Multiple Airlines
Deal found 21/7C$ 838
Thu 10/128:15 a.m.
YUL
-
SLU
1 stop9h 45m
Multiple Airlines
Sun 20/1212:35 p.m.
SLU
-
YUL
2 stops12h 50m
Multiple Airlines
Deal found 21/7C$ 850
Sun 13/97:00 a.m.
YUL
-
SLU
2 stops12h 00m
Multiple Airlines
Mon 14/99:10 a.m.
SLU
-
YUL
2 stops23h 10m
Multiple Airlines
Deal found 25/7C$ 922

Find flight deals from Pierre Elliott Trudeau Intl to Saint Lucia

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Saint Lucia flight deals. Data was last updated 26 July 2026.

Round-trip from

C$ 559

One-way from

C$ 237
American Airlines
  • American Airlines
  • 22/8-28/8
  • 4 total stops
  • 42h 38m total
  • Montreal to Saint Lucia
Search Deals
Air Canada
  • Air Canada
  • 31/8
  • 1 total stop
  • 29h 05m total
  • Montreal to Saint Lucia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 July 2026.
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 - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

5:35 p.m.-2:29 p.m.

2 stops20h 54m

Castries Hewanorra

Fri 28/8

2:49 p.m.-11:43 a.m.

2 stops20h 54m

C$ 559

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

6:10 a.m.-4:25 p.m.

1 stop9h 15m

Castries Hewanorra

Sat 12/12

5:17 p.m.-3:02 p.m.

2 stops22h 45m

C$ 703

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

2:24 p.m.-1:29 p.m.

2 stops22h 05m

Castries Hewanorra

Sat 26/12

3:06 p.m.-10:58 p.m.

1 stop8h 52m

C$ 767

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

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

1 stop7h 31m

Castries Hewanorra

Sat 12/9

2:35 p.m.-9:26 p.m.

2 stops30h 51m

C$ 892

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

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

2 stops12h 00m

Castries George F. L. Charle

Mon 14/9

9:10 a.m.-8:20 a.m.

2 stops23h 10m

C$ 922

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

8:00 p.m.-7:00 p.m.

2 stops22h 00m

Castries George F. L. Charle

Fri 11/12

9:10 a.m.-8:35 p.m.

1 stop12h 25m

C$ 1,026

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Fri 11/12

8:15 a.m.-7:00 p.m.

1 stop9h 45m

Castries George F. L. Charle

Sat 19/12

12:35 p.m.-12:25 a.m.

2 stops12h 50m

C$ 1,057

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

7:50 p.m.-2:21 p.m.

2 stops18h 31m

Castries Hewanorra

Tue 27/10

3:41 p.m.-11:22 p.m.

2 stops31h 41m

C$ 1,133

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

2:24 p.m.-1:29 p.m.

2 stops22h 05m

Castries Hewanorra

Tue 1/12

4:07 p.m.-3:24 p.m.

2 stops24h 17m

C$ 1,161

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:45 a.m.-8:10 a.m.

2 stops25h 25m

Castries George F. L. Charle

Sun 27/9

5:00 a.m.-12:25 a.m.

2 stops19h 25m

C$ 1,372

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/7

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

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.
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

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$ 579). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia in October is currently the most expensive (average of C$ 1,298). 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 July 2026.
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
11,387 reviews
Check prices

Overall

7.1

Food

6.3

Crew

7.8

Entertainment

6.8

Boarding

7.3

Comfort

7.1

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
11,387 reviews
Air Canada
7.1
Good
11,387 reviews
Check prices

Overall

7.1

Food

6.3

Crew

7.8

Entertainment

6.8

Boarding

7.3

Comfort

7.1

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

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Saint Lucia?

    Departing from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia will take you 9h 15m. 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$ 579). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Saint Lucia in October is currently the most expensive (average of C$ 1,298). 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 Pierre Elliott Trudeau Intl to Saint Lucia

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Top airline flying from Pierre Elliott Trudeau Intl to Saint Lucia

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 528AverageC$ 715FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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