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Cheap flights from Montreal to Castries from C$ 459

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 29/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:14 a.m. - 1:19 p.m.YUL-UVF
29h 05m2 stops
American Airlines Logo
4:53 p.m. - 1:49 p.m.UVF-YUL
21h 56m2 stops
C$ 507American Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
American Airlines Logo
7:00 a.m. - 3:00 p.m.YUL-UVF
31h 00m1 stop
American Airlines Logo
4:05 p.m. - 1:49 p.m.UVF-YUL
22h 44m1 stop
C$ 562American Airlines
Find Deal
Mon, 24 Nov - Thu, 4 Dec
American Airlines Logo
4:00 p.m. - 1:19 p.m.YUL-UVF
20h 19m2 stops
American Airlines Logo
4:00 p.m. - 1:45 p.m.UVF-YUL
22h 45m1 stop
C$ 567American Airlines
Find Deal
Mon, 24 Nov - Fri, 5 Dec
American Airlines Logo
7:14 a.m. - 3:00 p.m.YUL-UVF
30h 46m1 stop
American Airlines Logo
4:05 p.m. - 1:49 p.m.UVF-YUL
22h 44m1 stop
C$ 587American Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Air Canada Logo
6:00 a.m. - 4:25 p.m.YUL-UVF
9h 25m1 stop
Air Canada Logo
5:15 p.m. - 1:53 a.m.UVF-YUL
9h 38m1 stop
C$ 598Air Canada
Find Deal
Mon, 24 Nov - Wed, 3 Dec
American Airlines Logo
2:25 p.m. - 3:03 p.m.YUL-UVF
23h 38m1 stop
American Airlines Logo
5:02 p.m. - 3:20 p.m.UVF-YUL
23h 18m2 stops
C$ 615American Airlines
Find Deal
Thu, 22 Jan - Thu, 29 Jan
Air Canada Logo
6:00 a.m. - 4:25 p.m.YUL-UVF
9h 25m1 stop
Air Canada Logo
5:15 p.m. - 11:40 a.m.UVF-YUL
19h 25m2 stops
C$ 629Air Canada
Find Deal
Mon, 24 Nov - Fri, 5 Dec
Air Canada Logo
7:00 a.m. - 4:20 p.m.YUL-UVF
8h 20m1 stop
Air Canada Logo
5:15 p.m. - 7:47 a.m.UVF-YUL
15h 32m1 stop
C$ 640Air Canada
Find Deal
Wed, 7 Jan - Wed, 14 Jan
Air Canada Logo
7:10 a.m. - 3:25 p.m.YUL-UVF
8h 15m1 stop
Air Canada Logo
4:20 p.m. - 6:31 a.m.UVF-YUL
14h 11m2 stops
C$ 653Air Canada
Find Deal
Wed, 1 Apr - Wed, 15 Apr
Multiple Airlines Logo
7:00 a.m. - 4:25 p.m.YUL-UVF
8h 25m1 stop
Multiple Airlines Logo
3:40 p.m. - 12:38 a.m.UVF-YUL
9h 58m1 stop
C$ 958Multiple Airlines
Find Deal
Mon, 16 Feb - Tue, 24 Feb

American Airlines flights from Montreal to Castries

Our best American Airlines deals on Montreal to Castries flight tickets
American Airlines
27 Nov
YUL7:14 a.m.Montreal Pierre Elliott Trudeau Intl
29h 05m
2 stops
UVF1:19 p.m.Castries Hewanorra
4 Dec
UVF4:53 p.m.Castries Hewanorra
21h 56m
2 stops
YUL1:49 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 507
Find similar
American Airlines
24 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
31h 00m
1 stop
UVF3:00 p.m.Castries Hewanorra
4 Dec
UVF4:05 p.m.Castries Hewanorra
22h 44m
1 stop
YUL1:49 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 562
Find similar
American Airlines
24 Nov
YUL4:00 p.m.Montreal Pierre Elliott Trudeau Intl
20h 19m
2 stops
UVF1:19 p.m.Castries Hewanorra
5 Dec
UVF4:00 p.m.Castries Hewanorra
22h 45m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 567
Find similar

Air Canada flights from Montreal to Castries

Our best Air Canada deals on Montreal to Castries flight tickets
Air Canada
24 Nov
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 25m
1 stop
UVF4:25 p.m.Castries Hewanorra
3 Dec
UVF5:15 p.m.Castries Hewanorra
28h 35m
2 stops
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 598
Find similar
Air Canada
24 Nov
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 25m
1 stop
UVF4:25 p.m.Castries Hewanorra
5 Dec
UVF5:15 p.m.Castries Hewanorra
19h 25m
2 stops
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 629
Find similar
Air Canada
7 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 20m
1 stop
UVF4:20 p.m.Castries Hewanorra
14 Jan
UVF5:15 p.m.Castries Hewanorra
15h 32m
1 stop
YUL7:47 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 640
Find similar

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 10 November 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 - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

7:14 a.m.-1:19 p.m.

2 stops29h 05m

Castries Hewanorra

Thu 4/12

4:53 p.m.-1:49 p.m.

2 stops21h 56m

C$ 507

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

7:00 a.m.-3:00 p.m.

1 stop31h 00m

Castries Hewanorra

Thu 4/12

4:05 p.m.-1:49 p.m.

1 stop22h 44m

C$ 562

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

4:00 p.m.-1:19 p.m.

2 stops20h 19m

Castries Hewanorra

Fri 5/12

4:00 p.m.-1:45 p.m.

1 stop22h 45m

C$ 567

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

7:14 a.m.-3:00 p.m.

1 stop30h 46m

Castries Hewanorra

Thu 4/12

4:05 p.m.-1:49 p.m.

1 stop22h 44m

C$ 587

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

6:00 a.m.-4:25 p.m.

1 stop9h 25m

Castries Hewanorra

Wed 3/12

5:15 p.m.-1:53 a.m.

1 stop9h 38m

C$ 598

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

2:25 p.m.-3:03 p.m.

1 stop23h 38m

Castries Hewanorra

Thu 29/1

5:02 p.m.-3:20 p.m.

2 stops23h 18m

C$ 615

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

6:00 a.m.-4:25 p.m.

1 stop9h 25m

Castries Hewanorra

Fri 5/12

5:15 p.m.-11:40 a.m.

2 stops19h 25m

C$ 629

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

7:00 a.m.-4:20 p.m.

1 stop8h 20m

Castries Hewanorra

Wed 14/1

5:15 p.m.-7:47 a.m.

1 stop15h 32m

C$ 640

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

7:10 a.m.-3:25 p.m.

1 stop8h 15m

Castries Hewanorra

Wed 15/4

4:20 p.m.-6:31 a.m.

2 stops14h 11m

C$ 653

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

7:00 a.m.-4:25 p.m.

1 stop8h 25m

Castries Hewanorra

Tue 24/2

3:40 p.m.-12:38 a.m.

1 stop9h 58m

C$ 958

Flights are sorted by cheapest round-trip flights first.

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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 month to fly to Castries?

In general, September is the cheapest month to fly from Montreal to Castries. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 573. The month of June is another great option to travel to Castries, with average flight prices from Montreal averaging around C$ 605.

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

According to our data, Tuesday is the cheapest day to fly to Castries from Montreal. The lowest ticket price found for a Tuesday departure recently was C$ 744. 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$ 1,125.

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 afternoon when flights can be purchased for as low as C$ 660. In the evening is when there is more demand to fly to Castries, so prices are often more expensive at around C$ 1,092 per ticket.

How far in advance should I book a flight to Castries?

You are more likely to see cheaper flights to Castries from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around C$ 849 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from Montreal for as low as C$ 577 on momondo.

Can stopping save me money on Montreal to Castries flights?

You could potentially save up to 27% on your flight if you consider stops on a Montreal to Castries flight.

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 UVF) 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 Hewanorra by plane?

    Montreal and Castries Hewanorra are 3692.9 km apart from one another. By plane, this route typically takes 8h 15m.

  • When did momondo last update prices for flights from Montreal to Castries Hewanorra Airport?

    Prices for flights from Montreal to Castries Hewanorra Airport refresh daily.

  • How many operators does momondo search for flights from Montreal to Castries Hewanorra Airport?

  • How old do you have to be to fly from Montreal to Castries Hewanorra Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The required travel and health documents for your Castries Hewanorra Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Castries Hewanorra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Montreal to Castries?

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$ 515Free CancellationRating
7.1
10,429 reviews
Search Air Canada flights
American AirlinesPriceFrom C$ 543Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Castries from Montreal.

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

Yes. momondo enables you to select and highlight flights to Castries from Montreal with this policy.

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

momondo provides multiple filters to help you find the best flight to Castries from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Montreal to Castries flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport