Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Montreal to Castries from C$ 972

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Castries departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Montreal to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 p.m. - 6:25 p.m.
YUL
-
SLU
20h 55m
3 stops
Multiple Airlines Logo
6:00 p.m. - 8:20 p.m.
SLU
-
YUL
26h 20m
3 stops
C$ 1,088Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
Multiple Airlines Logo
7:30 a.m. - 5:15 p.m.
YUL
-
SLU
9h 45m
2 stops
Multiple Airlines Logo
6:00 p.m. - 10:36 a.m.
SLU
-
YUL
16h 36m
2 stops
C$ 1,116Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
Multiple Airlines Logo
7:30 a.m. - 5:15 p.m.
YUL
-
SLU
9h 45m
2 stops
Multiple Airlines Logo
6:00 p.m. - 12:38 a.m.
SLU
-
YUL
30h 38m
2 stops
C$ 1,126Multiple Airlines
Sun, 12 Apr - Fri, 17 Apr
Multiple Airlines Logo
7:30 a.m. - 5:15 p.m.
YUL
-
SLU
9h 45m
2 stops
Multiple Airlines Logo
6:00 p.m. - 8:20 p.m.
SLU
-
YUL
26h 20m
3 stops
C$ 1,129Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
Multiple Airlines Logo
9:10 a.m. - 7:00 p.m.
YUL
-
SLU
9h 50m
1 stop
Multiple Airlines Logo
5:00 a.m. - 10:36 a.m.
SLU
-
YUL
29h 36m
2 stops
C$ 1,136Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
Multiple Airlines Logo
9:10 a.m. - 7:00 p.m.
YUL
-
SLU
9h 50m
1 stop
Multiple Airlines Logo
6:00 p.m. - 12:38 a.m.
SLU
-
YUL
30h 38m
2 stops
C$ 1,148Multiple Airlines
Sun, 12 Apr - Fri, 17 Apr
Multiple Airlines Logo
7:20 p.m. - 6:35 p.m.
YUL
-
SLU
23h 15m
3 stops
Multiple Airlines Logo
12:35 p.m. - 12:25 a.m.
SLU
-
YUL
11h 50m
2 stops
C$ 1,168Multiple Airlines
Sun, 7 Jun - Thu, 11 Jun
Multiple Airlines Logo
9:30 a.m. - 7:00 p.m.
YUL
-
SLU
9h 30m
1 stop
Multiple Airlines Logo
7:10 p.m. - 4:30 p.m.
SLU
-
YUL
21h 20m
3 stops
C$ 1,188Multiple Airlines
Thu, 19 Mar - Tue, 24 Mar
Multiple Airlines Logo
9:30 a.m. - 7:00 p.m.
YUL
-
SLU
9h 30m
1 stop
Multiple Airlines Logo
7:10 p.m. - 12:02 p.m.
SLU
-
YUL
16h 52m
2 stops
C$ 1,196Multiple Airlines
Thu, 19 Mar - Tue, 24 Mar
Multiple Airlines Logo
9:30 p.m. - 6:25 p.m.
YUL
-
SLU
20h 55m
3 stops
Multiple Airlines Logo
6:00 p.m. - 10:36 a.m.
SLU
-
YUL
16h 36m
2 stops
C$ 1,232Multiple Airlines
Sun, 12 Apr - Fri, 17 Apr

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to Castries 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, momondo users made 96,600 searches. Data last updated 25 February 2026.
Use the filters below to find and compare flights from Montreal to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

9:30 p.m.-6:25 p.m.

3 stops20h 55m

Castries George F. L. Charle

Sun 19/4

6:00 p.m.-8:20 p.m.

3 stops26h 20m

C$ 1,088

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

7:30 a.m.-5:15 p.m.

2 stops9h 45m

Castries George F. L. Charle

Sun 19/4

6:00 p.m.-10:36 a.m.

2 stops16h 36m

C$ 1,116

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

7:30 a.m.-5:15 p.m.

2 stops9h 45m

Castries George F. L. Charle

Fri 17/4

6:00 p.m.-12:38 a.m.

2 stops30h 38m

C$ 1,126

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

7:30 a.m.-5:15 p.m.

2 stops9h 45m

Castries George F. L. Charle

Sun 19/4

6:00 p.m.-8:20 p.m.

3 stops26h 20m

C$ 1,129

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

9:10 a.m.-7:00 p.m.

1 stop9h 50m

Castries George F. L. Charle

Sun 19/4

5:00 a.m.-10:36 a.m.

2 stops29h 36m

C$ 1,136

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

9:10 a.m.-7:00 p.m.

1 stop9h 50m

Castries George F. L. Charle

Fri 17/4

6:00 p.m.-12:38 a.m.

2 stops30h 38m

C$ 1,148

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:20 p.m.-6:35 p.m.

3 stops23h 15m

Castries George F. L. Charle

Thu 11/6

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

2 stops11h 50m

C$ 1,168

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

9:30 a.m.-7:00 p.m.

1 stop9h 30m

Castries George F. L. Charle

Tue 24/3

7:10 p.m.-4:30 p.m.

3 stops21h 20m

C$ 1,188

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

9:30 a.m.-7:00 p.m.

1 stop9h 30m

Castries George F. L. Charle

Tue 24/3

7:10 p.m.-12:02 p.m.

2 stops16h 52m

C$ 1,196

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

9:30 p.m.-6:25 p.m.

3 stops20h 55m

Castries George F. L. Charle

Fri 17/4

6:00 p.m.-10:36 a.m.

2 stops16h 36m

C$ 1,232

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Castries from

How to get the cheapest flight ticket from Montreal to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Montreal to Castries George F. L. Charle?

Air Caraïbes is the most popular carrier operating from Montreal to Castries George F. L. Charle

When to book flights from Montreal to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Castries (YMQ to SLU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Castries

Fastest flight time

9h 30m

Direct flights

None
The fastest flight from Montreal to Castries takes 9h 30m
There are no direct flights from Montreal to Castries. There are no popular flight routes from Montreal to Castries.
Search flight deals

  • How far is Montreal to Castries George F. L. Charle by plane?

    Montreal and Castries George F. L. Charle are 3692.9 km apart from one another. A reasonable flight in good conditions will take 9h 30m.

  • When did momondo last update prices for flights from Montreal to Castries George F. L. Charle Airport?

    Prices for flights from Montreal to Castries George F. L. Charle Airport are updated daily.

  • How old do you have to be to fly from Montreal to Castries George F. L. Charle Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Castries George F. L. Charle Airport.

  • What documentation or ID do you need to fly to Castries George F. L. Charle Airport?

    The travel and health documents you'll need for your trip to Castries George F. L. Charle Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Castries George F. L. Charle Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Rodney Bay
Marigot Bay

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Castries?

Finding the right flight to Castries from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Castries quick and easy, saving you time and money.

Can I find flights from Montreal to Castries with flexible booking policies on momondo?

momondo does allow users to show only those flights to Castries from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to Castries?

Once all potential Montreal to Castries flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Montreal to Castries right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Castries flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Castries trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 27/3
Fri 3/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries Hewanorra Airport