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Cheap flights from Montreal to Saint Lucia from C$ 271
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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — UVF
24 Aug — 31 Aug1
Round-trip
1 adult
Economy
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 19 August 2025.
Find 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 19 August 2025.
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 19 August 2025.
Mon 15/95:10 p.m.YUL - UVF
1 stop21h 05mAir Canada
Tue 23/93:10 p.m.UVF - YUL
1 stop17h 14mAir Canada
Deal found 17/8C$ 519
Tue 16/95:00 a.m.YUL - UVF
1 stop9h 15mAir Canada
Tue 23/93:10 p.m.UVF - YUL
1 stop9h 30mAir Canada
Deal found 18/8C$ 529
Fri 29/86:00 a.m.YUL - UVF
1 stop8h 15mAir Canada
Fri 5/93:10 p.m.UVF - YUL
1 stop18h 10mAir Canada
Deal found 18/8C$ 580
Thu 28/810:15 a.m.YUL - UVF
1 stop28h 00mAir Canada
Fri 5/93:10 p.m.UVF - YUL
2 stops18h 42mAir Canada
Deal found 18/8C$ 581
Fri 29/85:29 p.m.YUL - UVF
2 stops20h 26mAmerican Airlines
Thu 4/93:17 p.m.UVF - YUL
2 stops31h 15mAmerican Airlines
Deal found 18/8C$ 587
Fri 24/105:00 a.m.YUL - UVF
1 stop9h 15mMultiple Airlines
Tue 4/113:40 p.m.UVF - YUL
1 stop9h 53mMultiple Airlines
Deal found 16/8C$ 599
Mon 1/911:15 a.m.YUL - UVF
1 stop27h 00mAir Canada
Fri 5/93:10 p.m.UVF - YUL
1 stop18h 10mAir Canada
Deal found 18/8C$ 607
Mon 15/97:50 a.m.YUL - UVF
2 stops30h 26mAmerican Airlines
Thu 18/93:17 p.m.UVF - YUL
2 stops23h 32mAmerican Airlines
Deal found 17/8C$ 639
Thu 21/83:44 p.m.YUL - UVF
2 stops22h 01mAmerican Airlines
Fri 29/82:55 p.m.UVF - YUL
2 stops49h 47mAmerican Airlines
Deal found 16/8C$ 658
Mon 1/97:00 a.m.YUL - UVF
2 stops30h 45mAmerican Airlines
Wed 3/93:17 p.m.UVF - YUL
2 stops31h 15mAmerican Airlines
Deal found 18/8C$ 676
Mon 15/97:50 a.m.YUL - UVF
2 stops30h 26mAmerican Airlines
Wed 24/93:17 p.m.UVF - YUL
2 stops46h 23mAmerican Airlines
Deal found 17/8C$ 690
Wed 20/85:34 p.m.YUL - UVF
2 stops44h 11mAmerican Airlines
Fri 29/82:55 p.m.UVF - YUL
2 stops49h 47mAmerican Airlines
Deal found 16/8C$ 698
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 19 August 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
Tue 16/9
6:00 a.m.-2:15 p.m.
1 stop8h 15m
Castries Hewanorra
Tue 23/9
3:10 p.m.-9:46 p.m.
2 stops30h 36m
C$ 519
MontrealCastries
YUL - UVF
YULUVF
Montreal Pierre Elliott Trudeau Intl
Wed 17/9
9:20 p.m.-2:15 p.m.
2 stops40h 55m
Castries Hewanorra
Tue 23/9
3:10 p.m.-1:50 a.m.
1 stop10h 40m
C$ 519
MontrealCastries
YUL - UVF
YULUVF
Montreal Pierre Elliott Trudeau Intl
Mon 15/9
8:00 a.m.-2:15 p.m.
1 stop30h 15m
Castries Hewanorra
Fri 19/9
3:10 p.m.-12:40 a.m.
1 stop9h 30m
C$ 519
MontrealCastries
YUL - UVF
YULUVF
Montreal Pierre Elliott Trudeau Intl
Mon 15/9
9:50 p.m.-2:15 p.m.
1 stop16h 25m
Castries Hewanorra
Tue 23/9
3:10 p.m.-9:52 a.m.
2 stops18h 42m
C$ 519
MontrealCastries
YUL - UVF
YULUVF
Montreal Pierre Elliott Trudeau Intl
Fri 19/9
6:00 a.m.-2:15 p.m.
1 stop8h 15m
Castries Hewanorra
Tue 23/9
3:10 p.m.-8:24 a.m.
1 stop17h 14m
C$ 519
MontrealCastries
YUL - UVF
YULUVF
Montreal Pierre Elliott Trudeau Intl
Thu 18/9
8:15 a.m.-2:15 p.m.
2 stops30h 00m
Castries Hewanorra
Tue 23/9
3:10 p.m.-9:52 a.m.
2 stops18h 42m
C$ 519
MontrealCastries
YUL - UVF
YULUVF
Montreal Pierre Elliott Trudeau Intl
Tue 16/9
5:00 a.m.-2:15 p.m.
1 stop9h 15m
Castries Hewanorra
Fri 19/9
3:10 p.m.-6:47 a.m.
2 stops15h 37m
C$ 519
MontrealCastries
YUL - SLU
YULSLU
Montreal Pierre Elliott Trudeau Intl
Wed 15/10
6:45 a.m.-7:00 p.m.
2 stops12h 15m
Castries George F. L. Charle
Wed 22/10
9:10 a.m.-12:27 a.m.
2 stops15h 17m
C$ 959
MontrealCastries
YUL - SLU
YULSLU
Montreal Pierre Elliott Trudeau Intl
Thu 2/10
8:00 p.m.-1:10 p.m.
2 stops41h 10m
Castries George F. L. Charle
Thu 9/10
6:20 p.m.-10:32 a.m.
2 stops16h 12m
C$ 1,042
MontrealCastries
YUL - SLU
YULSLU
Montreal Pierre Elliott Trudeau Intl
Sat 30/8
9:20 a.m.-10:10 p.m.
2 stops12h 50m
Castries George F. L. Charle
Sat 6/9
12:35 p.m.-12:27 a.m.
2 stops11h 52m
C$ 1,652
Showing 1-10 of 23 results
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 19 August 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 19 August 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.
Entertainment
6.8
Comfort
7.1
Food
6.3
Boarding
7.3
Overall
7.1
Crew
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2025
YWG - YVR
Entertainment
6.8
Comfort
7.1
Food
6.3
Boarding
7.3
Overall
7.1
Crew
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2025
YWG - YVR
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.
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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.
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 19 August 2025.
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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.
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Can Cheapflights find flights from Montreal to Saint Lucia with no change fees?
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