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Cheap flights from Montreal to Castries from C$ 399

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 7/5. 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.
WestJet Logo
7:20 p.m. - 1:40 p.m.
YUL
-
UVF
18h 20m
1 stop
WestJet Logo
2:30 p.m. - 12:25 a.m.
UVF
-
YUL
9h 55m
1 stop
C$ 527WestJet
Sat, 23 May - Sun, 14 Jun
WestJet Logo
7:20 p.m. - 1:40 p.m.
YUL
-
UVF
18h 20m
1 stop
WestJet Logo
2:30 p.m. - 12:25 a.m.
UVF
-
YUL
9h 55m
1 stop
C$ 534WestJet
Wed, 20 May - Thu, 28 May
WestJet Logo
7:20 p.m. - 1:40 p.m.
YUL
-
UVF
18h 20m
1 stop
WestJet Logo
2:30 p.m. - 12:25 a.m.
UVF
-
YUL
9h 55m
1 stop
C$ 535WestJet
Wed, 20 May - Sun, 7 Jun
WestJet Logo
6:45 a.m. - 1:40 p.m.
YUL
-
UVF
30h 55m
1 stop
WestJet Logo
2:30 p.m. - 6:20 p.m.
UVF
-
YUL
27h 50m
1 stop
C$ 550WestJet
Wed, 20 May - Thu, 28 May
Air Canada Logo
9:20 a.m. - 3:10 p.m.
YUL
-
UVF
29h 50m
2 stops
Air Canada Logo
4:15 p.m. - 2:21 p.m.
UVF
-
YUL
22h 06m
1 stop
C$ 565Air Canada
Sun, 12 Apr - Thu, 16 Apr
WestJet Logo
7:20 p.m. - 1:40 p.m.
YUL
-
UVF
18h 20m
1 stop
WestJet Logo
2:30 p.m. - 12:25 a.m.
UVF
-
YUL
9h 55m
1 stop
C$ 571WestJet
Sat, 23 May - Sun, 21 Jun
Air Canada Logo
10:30 p.m. - 3:10 p.m.
YUL
-
UVF
16h 40m
1 stop
Air Canada Logo
4:15 p.m. - 7:36 a.m.
UVF
-
YUL
15h 21m
1 stop
C$ 601Air Canada
Sun, 12 Apr - Thu, 16 Apr
Air Canada Logo
9:20 a.m. - 3:10 p.m.
YUL
-
UVF
29h 50m
2 stops
Air Canada Logo
4:15 p.m. - 8:54 p.m.
UVF
-
YUL
28h 39m
2 stops
C$ 603Air Canada
Sun, 12 Apr - Thu, 16 Apr
WestJet Logo
12:00 p.m. - 1:46 p.m.
YUL
-
UVF
25h 46m
1 stop
WestJet Logo
2:40 p.m. - 12:38 a.m.
UVF
-
YUL
9h 58m
1 stop
C$ 612WestJet
Mon, 13 Apr - Tue, 21 Apr
Air Canada Logo
5:00 a.m. - 3:10 p.m.
YUL
-
UVF
10h 10m
1 stop
Air Canada Logo
4:15 p.m. - 8:21 a.m.
UVF
-
YUL
16h 06m
1 stop
C$ 616Air Canada
Mon, 13 Apr - Thu, 16 Apr

WestJet flights from Montreal to Castries

Our best WestJet deals on Montreal to Castries flight tickets
WestJet
23 May
YUL7:20 p.m.Montreal Pierre Elliott Trudeau Intl
18h 20m
1 stop
UVF1:40 p.m.Castries Hewanorra
14 Jun
UVF2:30 p.m.Castries Hewanorra
9h 55m
1 stop
YUL12:25 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 527
WestJet
20 May
YUL7:20 p.m.Montreal Pierre Elliott Trudeau Intl
18h 20m
1 stop
UVF1:40 p.m.Castries Hewanorra
28 May
UVF2:30 p.m.Castries Hewanorra
9h 55m
1 stop
YUL12:25 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 534
WestJet
20 May
YUL7:20 p.m.Montreal Pierre Elliott Trudeau Intl
18h 20m
1 stop
UVF1:40 p.m.Castries Hewanorra
7 Jun
UVF2:30 p.m.Castries Hewanorra
9h 55m
1 stop
YUL12:25 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 535

Air Canada flights from Montreal to Castries

Our best Air Canada deals on Montreal to Castries flight tickets
Air Canada
12 Apr
YUL9:20 a.m.Montreal Pierre Elliott Trudeau Intl
29h 50m
2 stops
UVF3:10 p.m.Castries Hewanorra
16 Apr
UVF4:15 p.m.Castries Hewanorra
22h 06m
1 stop
YUL2:21 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 565
Air Canada
12 Apr
YUL10:30 p.m.Montreal Pierre Elliott Trudeau Intl
16h 40m
1 stop
UVF3:10 p.m.Castries Hewanorra
16 Apr
UVF4:15 p.m.Castries Hewanorra
15h 21m
1 stop
YUL7:36 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 601
Air Canada
12 Apr
YUL9:20 a.m.Montreal Pierre Elliott Trudeau Intl
29h 50m
2 stops
UVF3:10 p.m.Castries Hewanorra
16 Apr
UVF4:15 p.m.Castries Hewanorra
28h 39m
2 stops
YUL8:54 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 603

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 26 March 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

Cheapest round-trip

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

7:20 p.m.-1:40 p.m.

1 stop18h 20m

Castries Hewanorra

Sun 14/6

2:30 p.m.-12:25 a.m.

1 stop9h 55m

C$ 527

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

7:20 p.m.-1:40 p.m.

1 stop18h 20m

Castries Hewanorra

Thu 28/5

2:30 p.m.-12:25 a.m.

1 stop9h 55m

C$ 534

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

7:20 p.m.-1:40 p.m.

1 stop18h 20m

Castries Hewanorra

Sun 7/6

2:30 p.m.-12:25 a.m.

1 stop9h 55m

C$ 535

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

6:45 a.m.-1:40 p.m.

1 stop30h 55m

Castries Hewanorra

Thu 28/5

2:30 p.m.-6:20 p.m.

1 stop27h 50m

C$ 550

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

9:20 a.m.-3:10 p.m.

2 stops29h 50m

Castries Hewanorra

Thu 16/4

4:15 p.m.-2:21 p.m.

1 stop22h 06m

C$ 565

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

7:20 p.m.-1:40 p.m.

1 stop18h 20m

Castries Hewanorra

Sun 21/6

2:30 p.m.-12:25 a.m.

1 stop9h 55m

C$ 571

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

10:30 p.m.-3:10 p.m.

1 stop16h 40m

Castries Hewanorra

Thu 16/4

4:15 p.m.-7:36 a.m.

1 stop15h 21m

C$ 601

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

9:20 a.m.-3:10 p.m.

2 stops29h 50m

Castries Hewanorra

Thu 16/4

4:15 p.m.-8:54 p.m.

2 stops28h 39m

C$ 603

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

12:00 p.m.-1:46 p.m.

1 stop25h 46m

Castries Hewanorra

Tue 21/4

2:40 p.m.-12:38 a.m.

1 stop9h 58m

C$ 612
Quickest round-trip

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

5:00 a.m.-3:10 p.m.

1 stop10h 10m

Castries Hewanorra

Thu 16/4

4:15 p.m.-8:21 a.m.

1 stop16h 06m

C$ 616

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest 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 typical price of a round-trip flight between Montreal and Castries?

What is the cheapest month to fly to Castries?

In general, June 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$ 440. The month of April is another great option to travel to Castries, with average flight prices from Montreal averaging around C$ 546.

Can stopping save me money on Montreal to Castries flights?

You could potentially save up to 68% 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

Fastest flight time

8h 25m

Direct flights

None
The fastest flight from Montreal to Castries takes 8h 25m
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 25m.

  • 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$ 441Free CancellationRating
7.1
10,842 reviews
Search Air Canada 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