Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries from C$ 252

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 Pierre Elliott Trudeau Intl Airport to Castries departing on 13/8. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:30 p.m. - 2:19 p.m.
YUL
-
UVF
23h 49m
1 stop
American Airlines Logo
3:19 p.m. - 1:46 p.m.
UVF
-
YUL
22h 27m
1 stop
C$ 548American Airlines
Fri, 21 Aug - Fri, 28 Aug
American Airlines Logo
2:30 p.m. - 2:19 p.m.
YUL
-
UVF
23h 49m
1 stop
American Airlines Logo
2:49 p.m. - 11:43 a.m.
UVF
-
YUL
20h 54m
2 stops
C$ 555American Airlines
Fri, 21 Aug - Fri, 28 Aug
American Airlines Logo
3:45 p.m. - 2:19 p.m.
YUL
-
UVF
22h 34m
2 stops
American Airlines Logo
2:49 p.m. - 12:46 p.m.
UVF
-
YUL
21h 57m
2 stops
C$ 560American Airlines
Fri, 21 Aug - Fri, 28 Aug
United Airlines Logo
9:45 a.m. - 1:31 p.m.
YUL
-
UVF
27h 46m
2 stops
United Airlines Logo
2:35 p.m. - 7:45 p.m.
UVF
-
YUL
29h 10m
2 stops
C$ 577United Airlines
Fri, 11 Sep - Sat, 19 Sep
American Airlines Logo
7:00 a.m. - 1:47 p.m.
YUL
-
UVF
29h 47m
1 stop
American Airlines Logo
3:06 p.m. - 12:24 p.m.
UVF
-
YUL
22h 18m
1 stop
C$ 587American Airlines
Wed, 6 Jan - Sat, 16 Jan
United Airlines Logo
11:23 a.m. - 1:31 p.m.
YUL
-
UVF
26h 08m
1 stop
United Airlines Logo
2:35 p.m. - 1:09 p.m.
UVF
-
YUL
22h 34m
1 stop
C$ 609United Airlines
Fri, 28 Aug - Sat, 5 Sep
Air Canada Logo
6:00 a.m. - 4:40 p.m.
YUL
-
UVF
9h 40m
1 stop
Air Canada Logo
5:40 p.m. - 6:48 a.m.
UVF
-
YUL
14h 08m
2 stops
C$ 619Air Canada
Wed, 6 Jan - Wed, 13 Jan
Air Canada Logo
5:10 p.m. - 4:40 p.m.
YUL
-
UVF
22h 30m
1 stop
Air Canada Logo
5:40 p.m. - 11:25 p.m.
UVF
-
YUL
30h 45m
1 stop
C$ 620Air Canada
Wed, 6 Jan - Wed, 13 Jan
Air Canada Logo
6:30 p.m. - 2:15 p.m.
YUL
-
UVF
19h 45m
1 stop
Air Canada Logo
3:10 p.m. - 6:50 a.m.
UVF
-
YUL
15h 40m
2 stops
C$ 627Air Canada
Thu, 10 Sep - Fri, 25 Sep
Air Canada Logo
9:10 a.m. - 2:10 p.m.
YUL
-
UVF
29h 00m
1 stop
Air Canada Logo
3:15 p.m. - 7:45 a.m.
UVF
-
YUL
16h 30m
1 stop
C$ 637Air Canada
Thu, 30 Jul - Tue, 4 Aug

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

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Castries flight tickets
American Airlines
21 Aug
YUL2:30 p.m.Montreal Pierre Elliott Trudeau Intl
23h 49m
1 stop
UVF2:19 p.m.Castries Hewanorra
28 Aug
UVF3:19 p.m.Castries Hewanorra
22h 27m
1 stop
YUL1:46 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 548
American Airlines
21 Aug
YUL2:30 p.m.Montreal Pierre Elliott Trudeau Intl
23h 49m
1 stop
UVF2:19 p.m.Castries Hewanorra
28 Aug
UVF2:49 p.m.Castries Hewanorra
20h 54m
2 stops
YUL11:43 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 555
American Airlines
21 Aug
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
22h 34m
2 stops
UVF2:19 p.m.Castries Hewanorra
28 Aug
UVF2:49 p.m.Castries Hewanorra
21h 57m
2 stops
YUL12:46 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 560

Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Castries flight tickets
Air Canada
6 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 40m
1 stop
UVF4:40 p.m.Castries Hewanorra
13 Jan
UVF5:40 p.m.Castries Hewanorra
14h 08m
2 stops
YUL6:48 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 619
Air Canada
6 Jan
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
18h 05m
2 stops
UVF4:40 p.m.Castries Hewanorra
13 Jan
UVF5:40 p.m.Castries Hewanorra
14h 08m
2 stops
YUL6:48 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 620
Air Canada
10 Sep
YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl
19h 45m
1 stop
UVF2:15 p.m.Castries Hewanorra
25 Sep
UVF3:10 p.m.Castries Hewanorra
15h 40m
2 stops
YUL6:50 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 627

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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 11 July 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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

Fri 21/8

2:30 p.m.-2:19 p.m.

1 stop23h 49m

Castries Hewanorra

Fri 28/8

3:19 p.m.-1:46 p.m.

1 stop22h 27m

C$ 548

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

2:30 p.m.-2:19 p.m.

1 stop23h 49m

Castries Hewanorra

Fri 28/8

2:49 p.m.-11:43 a.m.

2 stops20h 54m

C$ 555

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

3:45 p.m.-2:19 p.m.

2 stops22h 34m

Castries Hewanorra

Fri 28/8

2:49 p.m.-12:46 p.m.

2 stops21h 57m

C$ 560

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

9:45 a.m.-1:31 p.m.

2 stops27h 46m

Castries Hewanorra

Sat 19/9

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

2 stops29h 10m

C$ 577

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 6/1

7:00 a.m.-1:47 p.m.

1 stop29h 47m

Castries Hewanorra

Sat 16/1

3:06 p.m.-12:24 p.m.

1 stop22h 18m

C$ 587

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

11:23 a.m.-1:31 p.m.

1 stop26h 08m

Castries Hewanorra

Sat 5/9

2:35 p.m.-1:09 p.m.

1 stop22h 34m

C$ 609
Quickest round-trip

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 6/1

6:00 a.m.-4:40 p.m.

1 stop9h 40m

Castries Hewanorra

Wed 13/1

5:40 p.m.-6:48 a.m.

2 stops14h 08m

C$ 619

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 6/1

5:10 p.m.-4:40 p.m.

1 stop22h 30m

Castries Hewanorra

Wed 13/1

5:40 p.m.-11:25 p.m.

1 stop30h 45m

C$ 620

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

6:30 p.m.-2:15 p.m.

1 stop19h 45m

Castries Hewanorra

Fri 25/9

3:10 p.m.-6:50 a.m.

2 stops15h 40m

C$ 627

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 30/7

9:10 a.m.-2:10 p.m.

1 stop29h 00m

Castries Hewanorra

Tue 4/8

3:15 p.m.-7:45 a.m.

1 stop16h 30m

C$ 637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Castries from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport and Castries?

What is the cheapest month to fly to Castries?

In general, September is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 552. The month of August is another great option to travel to Castries, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around C$ 583.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to Castries flights?

You could potentially save up to 80% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Castries flight.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries

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

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Castries (YUL to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries

Fastest flight time

7h 31m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries takes 7h 31m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Castries.
Search flight deals

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries

  • How far is Montreal Pierre Elliott Trudeau Intl to Castries Hewanorra by plane?

    The straight-line distance from Montreal Pierre Elliott Trudeau Intl to Castries Hewanorra is 3694.7 km. Flights usually cover this in 7h 31m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries Hewanorra Airport were last updated today.

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

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to Castries Hewanorra Airport.

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

    The necessary travel and health documents for your Castries Hewanorra Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 530Free CancellationRating
7.1
11,327 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?

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?

All flight searches from Montreal to Castries on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Montreal to Castries flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Montreal to Castries now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Castries and let you know when they change.

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
Mon 10/8
Mon 17/8
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 George F. L. Charle Airport