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Cheap flights from Montreal to Castries from C$ 201

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 13/9. 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

United Airlines Logo
6:00 a.m. - 1:31 p.m.YUL-UVF
7h 31m1 stop
United Airlines Logo
2:35 p.m. - 7:45 p.m.UVF-YUL
29h 10m2 stops
C$ 435United Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
United Airlines Logo
9:15 a.m. - 1:31 p.m.YUL-UVF
28h 16m2 stops
United Airlines Logo
2:35 p.m. - 7:45 p.m.UVF-YUL
29h 10m2 stops
C$ 454United Airlines
Find Deal
Fri, 5 Sep - Sat, 13 Sep
Air Canada Logo
9:40 a.m. - 2:15 p.m.YUL-UVF
52h 35m2 stops
Air Canada Logo
3:10 p.m. - 8:35 p.m.UVF-YUL
29h 25m1 stop
C$ 513Air Canada
Find Deal
Sun, 7 Sep - Fri, 12 Sep
Air Canada Logo
9:40 a.m. - 2:15 p.m.YUL-UVF
28h 35m2 stops
Air Canada Logo
3:10 p.m. - 1:50 a.m.UVF-YUL
10h 40m1 stop
C$ 538Air Canada
Find Deal
Mon, 1 Sep - Fri, 12 Sep
American Airlines Logo
7:29 a.m. - 2:17 p.m.YUL-UVF
30h 48m2 stops
American Airlines Logo
3:17 p.m. - 9:58 a.m.UVF-YUL
42h 41m2 stops
C$ 590American Airlines
Find Deal
Tue, 2 Sep - Wed, 10 Sep
Logo
9:40 a.m. - 2:15 p.m.YUL-UVF
52h 35m2 stops
Logo
2:35 p.m. - 12:27 a.m.UVF-YUL
9h 52m1 stop
C$ 603
Find Deal
Sun, 31 Aug - Sun, 7 Sep
American Airlines Logo
7:00 a.m. - 1:45 p.m.YUL-UVF
30h 45m2 stops
American Airlines Logo
3:17 p.m. - 9:58 a.m.UVF-YUL
18h 41m2 stops
C$ 670American Airlines
Find Deal
Mon, 1 Sep - Thu, 11 Sep
American Airlines Logo
7:29 a.m. - 2:17 p.m.YUL-UVF
30h 48m2 stops
American Airlines Logo
3:17 p.m. - 10:32 p.m.UVF-YUL
31h 15m2 stops
C$ 675American Airlines
Find Deal
Tue, 2 Sep - Sun, 14 Sep
WestJet Logo
6:45 a.m. - 1:44 p.m.YUL-UVF
30h 59m1 stop
WestJet Logo
2:35 p.m. - 12:27 a.m.UVF-YUL
9h 52m1 stop
C$ 693WestJet
Find Deal
Sat, 6 Sep - Sun, 14 Sep
Logo
9:30 p.m. - 4:25 p.m.YUL-UVF
41h 55m2 stops
Logo
3:40 p.m. - 12:33 a.m.UVF-YUL
9h 53m1 stop
C$ 875
Find Deal
Mon, 19 Jan - Thu, 29 Jan

United Airlines flights from Montreal to Castries

Our best United Airlines deals on Montreal to Castries flight tickets
United Airlines
13 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
7h 31m
1 stop
UVF1:31 p.m.Castries Hewanorra
20 Sep
UVF2:35 p.m.Castries Hewanorra
29h 10m
2 stops
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 435
Find similar
United Airlines
8 Aug
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
29h 45m
1 stop
UVF3:30 p.m.Castries Hewanorra
16 Aug
UVF12:55 p.m.Castries Hewanorra
28h 31m
1 stop
YUL5:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 436
Find similar
United Airlines
5 Sep
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
28h 16m
2 stops
UVF1:31 p.m.Castries Hewanorra
13 Sep
UVF2:35 p.m.Castries Hewanorra
29h 10m
2 stops
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 454
Find similar

Delta flights from Montreal to Castries

Our best Delta deals on Montreal to Castries flight tickets
Delta
19 Nov
YUL9:28 a.m.Montreal Pierre Elliott Trudeau Intl
28h 42m
2 stops
UVF3:10 p.m.Castries Hewanorra
23 Nov
UVF4:35 p.m.Castries Hewanorra
24h 25m
2 stops
YUL4:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 754
Find similar
Delta
9 Nov
YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl
21h 15m
2 stops
UVF3:10 p.m.Castries Hewanorra
16 Nov
UVF4:35 p.m.Castries Hewanorra
21h 19m
2 stops
YUL12:54 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 778
Find similar
Delta
30 Dec
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
30h 57m
2 stops
UVF3:07 p.m.Castries Hewanorra
8 Jan
UVF4:24 p.m.Castries Hewanorra
24h 37m
2 stops
YUL4:01 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 779
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 31 July 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

Sat 13/9

6:00 a.m.-1:31 p.m.

1 stop7h 31m

Castries Hewanorra

Sat 20/9

2:35 p.m.-7:45 p.m.

2 stops29h 10m

C$ 435

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

9:15 a.m.-1:31 p.m.

2 stops28h 16m

Castries Hewanorra

Sat 13/9

2:35 p.m.-7:45 p.m.

2 stops29h 10m

C$ 454

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

9:40 a.m.-2:15 p.m.

2 stops52h 35m

Castries Hewanorra

Fri 12/9

3:10 p.m.-8:35 p.m.

1 stop29h 25m

C$ 513

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

9:40 a.m.-2:15 p.m.

2 stops28h 35m

Castries Hewanorra

Fri 12/9

3:10 p.m.-1:50 a.m.

1 stop10h 40m

C$ 538

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

7:29 a.m.-2:17 p.m.

2 stops30h 48m

Castries Hewanorra

Wed 10/9

3:17 p.m.-9:58 a.m.

2 stops42h 41m

C$ 590

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

9:40 a.m.-2:15 p.m.

2 stops52h 35m

Castries Hewanorra

Sun 7/9

2:35 p.m.-12:27 a.m.

1 stop9h 52m

C$ 603

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

7:00 a.m.-1:45 p.m.

2 stops30h 45m

Castries Hewanorra

Thu 11/9

3:17 p.m.-9:58 a.m.

2 stops18h 41m

C$ 670

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

7:29 a.m.-2:17 p.m.

2 stops30h 48m

Castries Hewanorra

Sun 14/9

3:17 p.m.-10:32 p.m.

2 stops31h 15m

C$ 675

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

6:45 a.m.-1:44 p.m.

1 stop30h 59m

Castries Hewanorra

Sun 14/9

2:35 p.m.-12:27 a.m.

1 stop9h 52m

C$ 693

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

9:30 p.m.-4:25 p.m.

2 stops41h 55m

Castries Hewanorra

Thu 29/1

3:40 p.m.-12:33 a.m.

1 stop9h 53m

C$ 875

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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$ 565. The month of August is another great option to travel to Castries, with average flight prices from Montreal averaging around C$ 598.

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$ 733. 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$ 1,108.

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$ 650. In the evening is when there is more demand to fly to Castries, so prices are often more expensive at around C$ 1,076 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$ 788 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$ 558 on momondo.

Can stopping save me money on Montreal to Castries flights?

You could potentially save up to 34% 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

Best price found

C$ 201

Fastest flight time

7h 31m

Direct flights

None

Airports in Castries

1 airport
The best one-way flight to Castries from Montreal in the past 72 hours is C$ 201. The best round-trip flight deal from Montreal to Castries found on momondo in the last 72 hours is C$ 435.
The fastest flight from Montreal to Castries takes 7h 31m
There are no direct flights from Montreal to Castries. Popular non-direct route for this connection is Montreal Pierre Elliott Trudeau Intl Airport - Castries Hewanorra Airport.
There is 1 airport near Castries: Castries Hewanorra (UVF)
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  • 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 7h 31m.

  • 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
American AirlinesPriceFrom C$ 446Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom C$ 514Free CancellationRating
7.1
9,851 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