Which airports can I use when flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

Flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries usually depart from Montreal Pierre Elliott Trudeau Intl (YUL) and arrive at Castries George F. L. Charle (SLU).

Which cabin classes can I book on flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

Only Economy Class is available on flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries.

Which airports do connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries pass through?

Most connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries pass through Bridgetown Grantley Adams Intl (BGI), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

Yes. Flexible dates can save you up to 22% on flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries. Sunday is the cheapest departure day at C$ 1,000 round-trip on average, while Friday is the most expensive at C$ 1,268, a difference of C$ 268. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Do I need a passport to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

What car rental options are available at Castries George F. L. Charle Airport (SLU)?

Castries George F. L. Charle Airport (SLU) hosts 5 major car rental companies, with daily rates starting from around C$ 20 for economy cars. Top options include: • Ace • Drive A Matic • Final Rentals • Sixt • FlexWays

How much should I expect to pay for a Montreal Pierre Elliott Trudeau Intl Airport to Castries flight?

Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries range from C$ 1,037 to C$ 1,267, with an average of C$ 1,113 over the past 12 months. Anything below C$ 1,037 counts as a good deal.

What is the cheapest layover airport when flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

Flights via Bridgetown Grantley Adams Intl (BGI) offer the most affordable fares, with an average round-trip price of C$ 1,107. Based on KAYAK data over the past 3 months.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries, which airport offers the shortest layover?

Bridgetown Grantley Adams Intl (BGI) had the shortest average connection time for Montreal Pierre Elliott Trudeau Intl Airport to Castries layovers at 6h 35m over the past three months.

Cheap Flights from Montreal to Castries | KAYAK

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Cheapest round-trip

C$ 1,000

Typical prices: C$ 1,037-C$ 1,267

Multiple Airlines

Wed 5/12Tue 18/12

YUL - SLU • 2 stops

Cheapest one-way flights

C$ 519

Typical prices: C$ 508-C$ 508

Multiple Airlines

Fri 16/11

YUL - SLU • 2 stops

When to travel

October

Cheapest • 7% price drop

December

Most popular

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We hope you enjoy your trip to Castries!

Flight Deals

Cheap Flights from Montreal to Castries (YUL-SLU)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Montreal to Castries

Sat, 5 Dec - Fri, 18 Dec

5:10 p.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

24h 50m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

9:10 a.m. - 8:35 p.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

12h 25m1 stop Bridgetown Grantley Adams Intl

C$ 1,000Multiple Airlines

3+ days ago

Fri, 4 Dec - Thu, 17 Dec

8:15 a.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

9h 45m1 stop Bridgetown Grantley Adams Intl

12:35 p.m. - 8:35 p.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

9h 00m1 stop Bridgetown Grantley Adams Intl

C$ 1,039Multiple Airlines

3+ days ago

Fri, 4 Dec - Fri, 18 Dec

8:15 a.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

9h 45m1 stop Bridgetown Grantley Adams Intl

9:10 a.m. - 8:35 p.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

12h 25m1 stop Bridgetown Grantley Adams Intl

C$ 1,039Multiple Airlines

3+ days ago

Sat, 5 Dec - Fri, 18 Dec

8:00 p.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

22h 00m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

9:10 a.m. - 12:25 a.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

16h 15m2 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl

C$ 1,046Multiple Airlines

3+ days ago

Thu, 7 Jan - Mon, 25 Jan

5:10 p.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

24h 50m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

12:35 p.m. - 9:40 p.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

10h 05m1 stop Bridgetown Grantley Adams Intl

C$ 1,061Multiple Airlines

2 days ago

Wed, 25 Nov - Sat, 5 Dec

9:20 p.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

20h 40m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

12:35 p.m. - 1:56 a.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

14h 21m2 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl

C$ 1,061Multiple Airlines

3+ days ago

Fri, 8 Jan - Mon, 25 Jan

7:10 a.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

10h 50m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

12:35 p.m. - 9:40 p.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

10h 05m1 stop Bridgetown Grantley Adams Intl

C$ 1,063Multiple Airlines

2 days ago

Thu, 7 Jan - Mon, 25 Jan

9:20 a.m. - 3:15 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

28h 55m1 stop Bridgetown Grantley Adams Intl

12:35 p.m. - 9:40 p.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

10h 05m1 stop Bridgetown Grantley Adams Intl

C$ 1,071Multiple Airlines

2 days ago

Wed, 25 Nov - Sat, 5 Dec

5:10 p.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

24h 50m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

3:45 p.m. - 8:35 p.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

29h 50m1 stop Bridgetown Grantley Adams Intl

C$ 1,071Multiple Airlines

3+ days ago

Mon, 23 Nov - Thu, 3 Dec

9:20 p.m. - 7:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SLU Castries George F. L. Charle

20h 40m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

9:10 a.m. - 8:35 p.m.SLU Castries George F. L. Charle-YUL Montreal Pierre Elliott Trudeau Intl

12h 25m1 stop Bridgetown Grantley Adams Intl

C$ 1,074Multiple Airlines

3+ days ago

Booking Insights

Price, demand, and travel trends for Montreal Pierre Elliott Trudeau Intl Airport to Castries flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Layovers

What's the cheapest day of the week to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries?: Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries. It’s 11% cheaper than the average day, while Friday is the most expensive, with prices 13% higher.

Find deals

Low season	March
High season	December
Cheapest flight	C$ 519

The most popular month to fly with an average 163% increase in traveller numbers.

One-way flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries

When to book flights from Montreal to Castries

Are your dates flexible? Find out the best times to travel from Montreal to Castries based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries?
Only Economy Class is available on flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries.
Do I need a passport to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Montreal Pierre Elliott Trudeau Intl Airport to Castries flight?
Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries range from C$ 1,037 to C$ 1,267, with an average of C$ 1,113 over the past 12 months. Anything below C$ 1,037 counts as a good deal.
Have flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Castries changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 1,000 to C$ 3,374. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Castries looking right now?
One-way fares from Montreal Pierre Elliott Trudeau Intl Airport to Castries are currently higher than usual. Average one-way flight prices are about C$ 546, which is 7% above the typical average for this route.
What car rental options are available at Castries George F. L. Charle Airport (SLU)?
Castries George F. L. Charle Airport (SLU) hosts 5 major car rental companies, with daily rates starting from around C$ 20 for economy cars. Top options include:

• Ace
• Drive A Matic
• Final Rentals
• Sixt
• FlexWays
Which airports can I use when flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries?
Flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries usually depart from Montreal Pierre Elliott Trudeau Intl (YUL) and arrive at Castries George F. L. Charle (SLU).
Which airports do connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries pass through?
Most connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries pass through Bridgetown Grantley Adams Intl (BGI), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries?
Yes. Flexible dates can save you up to 22% on flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries. Sunday is the cheapest departure day at C$ 1,000 round-trip on average, while Friday is the most expensive at C$ 1,268, a difference of C$ 268.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average C$ 1,000, about C$ 268 less than Friday fares (21% savings) based on the last 12 months.
If you can choose when to travel, plan your Montreal Pierre Elliott Trudeau Intl Airport to Castries trip for October. Fares historically average C$ 1,037 round-trip in that month – typically C$ 774 less than the most expensive month, which is July (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Castries George F. L. Charle Airport.

• Stolen Time St. Lucia
• Sandals Regency La Toc

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YUL - SLU

C$ 519 Find Cheap Flights from Montreal to Castries – Compare and Save

Everything you should know

Cheap Flights from Montreal to Castries (YUL-SLU)

Recent round-trip flight deals from Montreal to Castries

Recent one-way flight deals from Montreal to Castries

Price, demand, and travel trends for Montreal Pierre Elliott Trudeau Intl Airport to Castries flights

What's the cheapest day of the week to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

What is the cheapest layover airport when flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

When flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries, which airport offers the shortest layover?

Key details for Montreal Pierre Elliott Trudeau Intl Airport to Castries flights

Low season

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Cheapest flight

When to book flights from Montreal to Castries

Your Montreal Pierre Elliott Trudeau Intl Airport to Castries flight questions, answered

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