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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries from C$ 1,049

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SLU
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Pierre Elliott Trudeau Intl to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Castries (SLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 1,049
25/9-2/10
  • 25/9-2/10
  • 5 total stops
  • 54h 05m total
  • Montreal to Castries
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Find flight deals from Pierre Elliott Trudeau Intl to Castries

Cheapest flights from Pierre Elliott Trudeau Intl to Castries
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Thu 25/95:00 a.m.YUL - SLU
3 stops30h 30mMultiple Airlines
Thu 2/106:20 p.m.SLU - YUL
2 stops23h 35mMultiple Airlines
Deal found 11/9C$ 1,049
Fri 10/108:00 p.m.YUL - SLU
3 stops26h 10mMultiple Airlines
Tue 14/107:30 a.m.SLU - YUL
3 stops35h 57mMultiple Airlines
Deal found 9/9C$ 1,057
Fri 12/99:40 a.m.YUL - SLU
3 stops33h 20mMultiple Airlines
Fri 19/912:35 p.m.SLU - YUL
2 stops12h 05mMultiple Airlines
Deal found 11/9C$ 1,194
Wed 17/126:45 a.m.YUL - SLU
2 stops27h 35mMultiple Airlines
Sat 27/129:10 a.m.SLU - YUL
2 stops16h 33mMultiple Airlines
Deal found 10/9C$ 1,479

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
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

Pierre Elliott Trudeau Intl

Fly to

Castries

Route

Depart

Return

Price

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

5:00 a.m.-11:30 a.m.

3 stops30h 30m

Castries George F. L. Charle

Thu 2/10

6:20 p.m.-5:55 p.m.

2 stops23h 35m

C$ 1,049

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

8:00 p.m.-10:10 p.m.

3 stops26h 10m

Castries George F. L. Charle

Tue 14/10

7:30 a.m.-7:27 p.m.

3 stops35h 57m

C$ 1,057

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

6:45 a.m.-11:20 a.m.

2 stops27h 35m

Castries George F. L. Charle

Sat 27/12

9:10 a.m.-12:43 a.m.

2 stops16h 33m

C$ 1,479

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

10:40 p.m.-2:45 p.m.

2 stops64h 05m

Castries George F. L. Charle

Thu 6/11

1:55 p.m.-7:40 p.m.

2 stops30h 45m

C$ 1,706

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

7:00 a.m.-5:35 p.m.

1 stop9h 35m

Castries George F. L. Charle

Sun 15/2

5:00 a.m.-4:55 p.m.

2 stops12h 55m

C$ 1,783

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

7:00 a.m.-5:35 p.m.

1 stop9h 35m

Castries George F. L. Charle

Mon 16/2

12:35 p.m.-12:38 a.m.

2 stops13h 03m

C$ 1,887

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Wed 24/12

6:45 a.m.-11:20 a.m.

2 stops27h 35m

Castries George F. L. Charle

Tue 6/1

3:45 p.m.-12:43 a.m.

2 stops33h 58m

C$ 1,962

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

6:20 a.m.-6:05 p.m.

1 stop10h 45m

Castries George F. L. Charle

Wed 18/2

12:35 p.m.-12:38 a.m.

2 stops13h 03m

C$ 1,982

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

6:20 a.m.-6:05 p.m.

1 stop10h 45m

Castries George F. L. Charle

Fri 20/2

1:55 p.m.-12:38 a.m.

2 stops11h 43m

C$ 2,058

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Best time to book a flight from Pierre Elliott Trudeau Intl to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Castries

Get insights into the airlines that provide service to Castries. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Castries. Reviews last updated 11 September 2025.
Check out reviews from past customers who have flown with Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Castries to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Overall

7.1

Food

6.3

Crew

7.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Overall

7.1

Food

6.3

Crew

7.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Castries from Montreal Pierre Elliott Trudeau Intl?

    For a flight from Montreal Pierre Elliott Trudeau Intl to Castries, you will be flying into George F. L. Charle. Castries George F. L. Charle (SLU) is just 1.2 km from the centre of the city. George F. L. Charle is the only Castries airport and it handles 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. 1 airline has flights to Castries George F. L. Charle from Montreal Pierre Elliott Trudeau Intl on a regular basis.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries round-trip?

    Currently priced at C$ 533, Air Canada will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Castries and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Castries that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Castries.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Castries?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet

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Alternative routes for Pierre Elliott Trudeau Intl to Castries

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Pierre Elliott Trudeau Intl to Castries flights

Top airline flying from Pierre Elliott Trudeau Intl to Castries

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 533AverageC$ 815FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Castries?

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Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Castries?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Castries from Pierre Elliott Trudeau Intl.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Castries with no change fees?

Certainly. Search results for flights to Castries from Pierre Elliott Trudeau Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Castries become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Castries from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

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