Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal to Castries from C$ 1,179

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Castries departing on 3/12. 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

Discover deals from 900+ travel sites with momondo.

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
10:30 p.m. - 11:30 a.m.YUL-SLU
36h 00m3 stops
Multiple Airlines Logo
12:10 p.m. - 9:45 p.m.SLU-YUL
10h 35m1 stop
C$ 1,179Multiple Airlines
Find Deal
mer., 3 déc. - dim., 7 déc.
Multiple Airlines Logo
8:10 p.m. - 7:00 p.m.YUL-SLU
21h 50m2 stops
Multiple Airlines Logo
12:10 p.m. - 9:45 p.m.SLU-YUL
10h 35m1 stop
C$ 1,193Multiple Airlines
Find Deal
mer., 3 déc. - dim., 7 déc.
Multiple Airlines Logo
10:30 p.m. - 11:30 a.m.YUL-SLU
36h 00m3 stops
Multiple Airlines Logo
7:00 a.m. - 9:45 p.m.SLU-YUL
15h 45m3 stops
C$ 1,207Multiple Airlines
Find Deal
mer., 3 déc. - dim., 7 déc.
Multiple Airlines Logo
8:10 p.m. - 7:00 p.m.YUL-SLU
21h 50m2 stops
Multiple Airlines Logo
7:00 a.m. - 9:45 p.m.SLU-YUL
15h 45m3 stops
C$ 1,214Multiple Airlines
Find Deal
mer., 3 déc. - dim., 7 déc.
Multiple Airlines Logo
7:10 p.m. - 3:15 p.m.YUL-SLU
19h 05m2 stops
Multiple Airlines Logo
9:10 a.m. - 9:45 p.m.SLU-YUL
13h 35m1 stop
C$ 1,264Multiple Airlines
Find Deal
sam., 10 janv. - mer., 21 janv.
Multiple Airlines Logo
9:10 a.m. - 3:15 p.m.YUL-SLU
29h 05m3 stops
Multiple Airlines Logo
12:35 p.m. - 9:45 p.m.SLU-YUL
10h 10m1 stop
C$ 1,283Multiple Airlines
Find Deal
sam., 10 janv. - mer., 21 janv.
Multiple Airlines Logo
8:50 a.m. - 6:25 p.m.YUL-SLU
32h 35m2 stops
Multiple Airlines Logo
9:10 a.m. - 12:43 a.m.SLU-YUL
16h 33m3 stops
C$ 1,287Multiple Airlines
Find Deal
sam., 6 déc. - mar., 9 déc.
Multiple Airlines Logo
8:50 a.m. - 6:25 p.m.YUL-SLU
32h 35m2 stops
Multiple Airlines Logo
9:10 a.m. - 12:32 a.m.SLU-YUL
16h 22m2 stops
C$ 1,407Multiple Airlines
Find Deal
sam., 6 déc. - mar., 9 déc.
Multiple Airlines Logo
7:00 a.m. - 10:10 p.m.YUL-SLU
14h 10m3 stops
Multiple Airlines Logo
9:10 a.m. - 12:43 a.m.SLU-YUL
16h 33m3 stops
C$ 1,711Multiple Airlines
Find Deal
sam., 6 déc. - mar., 9 déc.
Multiple Airlines Logo
9:30 a.m. - 7:00 p.m.YUL-SLU
8h 30m1 stop
Multiple Airlines Logo
12:10 p.m. - 9:45 p.m.SLU-YUL
10h 35m1 stop
C$ 1,770Multiple Airlines
Find Deal
mer., 3 déc. - dim., 7 déc.

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 20 novembre 2025.
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

mer. 3/12

10:30 p.m.-11:30 a.m.

3 stops36h 00m

Castries George F. L. Charle

dim. 7/12

12:10 p.m.-9:45 p.m.

1 stop10h 35m

C$ 1,179

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

mer. 3/12

8:10 p.m.-7:00 p.m.

2 stops21h 50m

Castries George F. L. Charle

dim. 7/12

12:10 p.m.-9:45 p.m.

1 stop10h 35m

C$ 1,193

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

mer. 3/12

10:30 p.m.-11:30 a.m.

3 stops36h 00m

Castries George F. L. Charle

dim. 7/12

7:00 a.m.-9:45 p.m.

3 stops15h 45m

C$ 1,207

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

mer. 3/12

8:10 p.m.-7:00 p.m.

2 stops21h 50m

Castries George F. L. Charle

dim. 7/12

7:00 a.m.-9:45 p.m.

3 stops15h 45m

C$ 1,214

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

sam. 10/1

7:10 p.m.-3:15 p.m.

2 stops19h 05m

Castries George F. L. Charle

mer. 21/1

9:10 a.m.-9:45 p.m.

1 stop13h 35m

C$ 1,264

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

sam. 10/1

9:10 a.m.-3:15 p.m.

3 stops29h 05m

Castries George F. L. Charle

mer. 21/1

12:35 p.m.-9:45 p.m.

1 stop10h 10m

C$ 1,283

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

sam. 6/12

8:50 a.m.-6:25 p.m.

2 stops32h 35m

Castries George F. L. Charle

mar. 9/12

9:10 a.m.-12:43 a.m.

3 stops16h 33m

C$ 1,287

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

sam. 6/12

8:50 a.m.-6:25 p.m.

2 stops32h 35m

Castries George F. L. Charle

mar. 9/12

9:10 a.m.-12:32 a.m.

2 stops16h 22m

C$ 1,407

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

sam. 6/12

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

3 stops14h 10m

Castries George F. L. Charle

mar. 9/12

9:10 a.m.-12:43 a.m.

3 stops16h 33m

C$ 1,711

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

mer. 3/12

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

1 stop8h 30m

Castries George F. L. Charle

dim. 7/12

12:10 p.m.-9:45 p.m.

1 stop10h 35m

C$ 1,770

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 day to depart on your flight to Castries?

According to our data, Monday is the cheapest day to fly to Castries from Montreal. The lowest ticket price found for a Monday departure recently was C$ 863. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Castries on Saturday is C$ 1,144.

What is the cheapest time of day to depart on your flight to Castries?

The cheapest time of day to fly to Castries is in the evening when flights can be purchased for as low as C$ 727. In the afternoon is when there is more demand to fly to Castries, so prices are often more expensive at around C$ 1,253 per ticket.

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

Direct flights

None
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 35m.

  • 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 many operators does momondo search for flights from Montreal to Castries George F. L. Charle Airport?

  • 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.

Best airlines flying from Montreal to Castries

Compare and see reviews for airlines that fly from Montreal to Castries with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 539Free CancellationRating
7.1
10,463 reviews
Search Air Canada flights

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
sam. 20/12
sam. 27/12
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