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Cheap flights from Montreal to Saint Lucia from C$ 252

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 503

One-way from

C$ 252
Air Canada
  • Air Canada
  • 15/6-20/6
  • 3 total stops
  • 62h 06m total
  • Montreal to Saint Lucia
Search Deals
Air Canada
  • Air Canada
  • 24/7
  • 1 total stop
  • 18h 00m total
  • Montreal to Saint Lucia
Search Deals

Find flight deals from Montreal to Saint Lucia

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 12 June 2025.

Sun 15/69:40 a.m.YUL - UVF
2 stops52h 35mAir Canada
Fri 20/63:10 p.m.UVF - YUL
1 stop9h 31mAir Canada
Deal found 10/6C$ 503
Sat 6/96:00 a.m.YUL - UVF
1 stop7h 31mUnited Airlines
Sat 13/92:35 p.m.UVF - YUL
2 stops29h 10mUnited Airlines
Deal found 10/6C$ 570
Thu 31/711:15 a.m.YUL - UVF
1 stop27h 00mMultiple Airlines
Thu 21/82:35 p.m.UVF - YUL
1 stop10h 02mMultiple Airlines
Deal found 10/6C$ 580
Mon 3/117:00 a.m.YUL - UVF
1 stop30h 48mWestJet
Tue 18/113:40 p.m.UVF - YUL
1 stop10h 00mWestJet
Deal found 10/6C$ 660
Mon 25/83:44 p.m.YUL - UVF
2 stops23h 16mAmerican Airlines
Wed 3/93:17 p.m.UVF - YUL
2 stops24h 04mAmerican Airlines
Deal found 11/6C$ 666
Wed 1/106:45 a.m.YUL - SLU
2 stops12h 15mMultiple Airlines
Wed 8/1012:35 p.m.SLU - YUL
2 stops12h 02mMultiple Airlines
Deal found 10/6C$ 969
Thu 14/812:55 p.m.YUL - UVF
2 stops25h 20mDelta
Wed 20/83:35 p.m.UVF - YUL
1 stop26h 15mDelta
Deal found 11/6C$ 1,280
Fri 4/711:00 p.m.YUL - SLU
2 stops46h 15mAir Caraïbes
Fri 11/77:00 a.m.SLU - YUL
2 stops38h 00mAir Caraïbes
Deal found 10/6C$ 2,343

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 12 June 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

Sun 15/6

9:40 a.m.-2:15 p.m.

2 stops52h 35m

Castries Hewanorra

Fri 20/6

3:10 p.m.-12:41 a.m.

1 stop9h 31m

C$ 503

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

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

1 stop7h 31m

Castries Hewanorra

Sat 13/9

2:35 p.m.-7:45 p.m.

2 stops29h 10m

C$ 570

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 31/7

11:15 a.m.-2:15 p.m.

1 stop27h 00m

Castries Hewanorra

Thu 21/8

2:35 p.m.-12:37 a.m.

1 stop10h 02m

C$ 580

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 25/8

3:44 p.m.-3:00 p.m.

2 stops23h 16m

Castries Hewanorra

Wed 3/9

3:17 p.m.-3:21 p.m.

2 stops24h 04m

C$ 666

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 2/8

5:30 p.m.-1:45 p.m.

2 stops20h 15m

Castries Hewanorra

Sun 10/8

2:35 p.m.-12:37 a.m.

1 stop10h 02m

C$ 1,088

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 14/8

12:55 p.m.-2:15 p.m.

2 stops25h 20m

Castries Hewanorra

Wed 20/8

3:35 p.m.-5:50 p.m.

1 stop26h 15m

C$ 1,280

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Fri 29/8

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

3 stops26h 10m

Castries George F. L. Charle

Fri 5/9

12:15 p.m.-10:32 a.m.

2 stops22h 17m

C$ 1,728

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Fri 4/7

11:00 p.m.-9:15 p.m.

2 stops46h 15m

Castries George F. L. Charle

Fri 11/7

7:00 a.m.-9:00 p.m.

2 stops38h 00m

C$ 2,343

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 24/7

8:15 p.m.-2:15 p.m.

1 stop18h 00m

C$ 252

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 4/7

7:50 a.m.-1:05 p.m.

1 stop29h 15m

C$ 324

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 14 results
1
2

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 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 12 June 2025.

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.

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 12 June 2025.
Read through reviews of airlines operating flights from Montreal to Saint Lucia, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

  • What are the cheapest airlines to fly from Montreal to Saint Lucia one-way?

    C$ 252 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from C$ 324 and C$ 383, respectively.

  • 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.

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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 440AverageC$ 664FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 526AverageC$ 769FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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