YUL - UVF

C$ 253 Find Cheap Flights from Montreal to Castries – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 434
Typical prices: C$ 635-C$ 1,024
WestJet
Wed 10/10Thu 25/10
YUL - UVF • 1 stop
Cheapest one-way flights
C$ 253
Typical prices: C$ 543-C$ 1,054
United Airlines
Tue 6/11
YUL - UVF • 2 stops
When to book
in advance
Our data shows that travellers who book at least 12 weeks in advance save around 14% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 849 (round-trip)
Shortest trip • 15h 26m (one-way)
Insights
Insights
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We hope you enjoy your trip to Castries!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Montreal to Castries (YUL-UVF)

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

Recent round-trip flight deals from Montreal to Castries

Sat, 10 Oct - Sun, 25 Oct
WestJet Logo
7:20 p.m. - 1:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
18h 20m1 stop Toronto Pearson Intl
WestJet Logo
2:55 p.m. - 12:30 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
9h 35m1 stop Toronto Pearson Intl
C$ 434WestJet
Sat, 10 Oct - Sun, 25 Oct
WestJet Logo
6:45 a.m. - 1:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
30h 55m1 stop Toronto Pearson Intl
WestJet Logo
2:55 p.m. - 12:30 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
9h 35m1 stop Toronto Pearson Intl
C$ 440WestJet
Mon, 30 Nov - Mon, 7 Dec
Air Canada Logo
6:00 a.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
9h 40m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 10:00 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
29h 25m1 stop Toronto Pearson Intl
C$ 472Air Canada
Mon, 30 Nov - Mon, 7 Dec
Air Canada Logo
6:00 a.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
9h 40m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 10:00 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
29h 25m1 stop Toronto Pearson Intl
C$ 472Air Canada
Wed, 2 Dec - Wed, 16 Dec
Air Canada Logo
12:10 p.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
27h 30m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 12:25 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
19h 50m1 stop Toronto Pearson Intl
C$ 472Air Canada
Sun, 22 Nov - Wed, 2 Dec
Air Canada Logo
7:10 p.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
20h 30m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 5:20 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
24h 45m1 stop Toronto Pearson Intl
C$ 472Air Canada
Wed, 25 Nov - Wed, 2 Dec
Air Canada Logo
4:10 p.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
23h 30m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 10:00 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
29h 25m1 stop Toronto Pearson Intl
C$ 473Air Canada
Mon, 30 Nov - Mon, 7 Dec
Air Canada Logo
6:00 a.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
9h 40m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 10:00 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
29h 25m1 stop Toronto Pearson Intl
C$ 473Air Canada
Thu, 19 Nov - Thu, 26 Nov
Air Canada Logo
7:10 a.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
8h 30m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 9:25 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
16h 50m1 stop Toronto Pearson Intl
C$ 473Air Canada
Mon, 23 Nov - Wed, 2 Dec
Air Canada Logo
7:10 a.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
8h 30m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 4:25 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
23h 50m1 stop Toronto Pearson Intl
C$ 473Air Canada
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 from Montreal Pierre Elliott Trudeau Intl Airport to Castries with more confidence.

How much is a round-trip flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries start at C$ 434. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 635 to C$ 1,024. The lowest price found in the past 5 days was C$ 434 on WestJet.

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

Sunday is the cheapest day of the week to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries and is 9% cheaper than the average day. Thursday is the most expensive day with flight prices 43% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

•August is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries at C$ 579 round-trip.
•December (C$ 1,013) and May (C$ 907) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 75% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Montreal Pierre Elliott Trudeau Intl Airport to Castries the cheapest?

Flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries are cheapest 12 weeks before departure. Booking in this window typically costs about 14% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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

Low season

September

Cheapest flight

C$ 253
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly (34% more expensive on average)
Flights 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

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

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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.

  • How long does a flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries take?

    There are currently no direct flights available from Montreal Pierre Elliott Trudeau Intl Airport to Castries. Flights with 1 layover take between 10h 03m and 15h 26m in total, depending on the connection.

  • 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$ 635 to C$ 1,024, with an average of C$ 754 over the past 12 months. Anything below C$ 635 counts as a good deal.

  • How expensive are last-minute Montreal Pierre Elliott Trudeau Intl Airport to Castries flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 6% below the route average of C$ 754. Booking late can sometimes save money on this route, but inventory is limited.

  • 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$ 434 to C$ 3,757. That means the highest observed fare was about 9x 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 lower than usual. Average one-way flight prices are about C$ 281, which is 54% below the typical average for this route.

  • What car rental options are available at Castries Hewanorra Airport (UVF)?

    Castries Hewanorra Airport (UVF) hosts 5 major car rental companies, with daily rates starting from around C$ 25 for economy cars. Top options include:
    • Drive A Matic
    • Sixt
    • Final Rentals
    • Ace
    • Hertz

  • 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 Hewanorra (UVF).

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

    Connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries most commonly pass through:

    • Toronto Pearson Intl (YYZ) – 99% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 1% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

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

    On the Montreal Pierre Elliott Trudeau Intl Airport to Castries route, being flexible with your departure day can save you up to 37%. Sunday is the cheapest day at C$ 688 round-trip on average, while Thursday is the most expensive at C$ 1,080 – a C$ 392 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport when travelling from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

    Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 10h 03m, compared with 15h 26m via Chicago O'Hare Intl (ORD).

Your guide to booking Montreal Pierre Elliott Trudeau Intl Airport to Castries flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure instead of Thursday. On this route, Sunday flights average C$ 688 – about C$ 392 less than Thursday (36% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 14% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Montreal Pierre Elliott Trudeau Intl Airport to Castries trip for August. Fares historically average C$ 579 round-trip in that month – typically C$ 434 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Montreal to Castries

Complete your trip to Castries with a hotel stay or car rental