YUL - UVF

C$ 254 Find Cheap Flights from Montreal to Castries – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 548
Typical prices: C$ 641-C$ 1,033
Air Canada
Thu 29/11Sun 2/12
YUL - UVF • 2 stops
Cheapest one-way flights
C$ 254
Typical prices: C$ 504-C$ 1,060
American Airlines
Mon 3/12
YUL - UVF • 1 stop
When to book
in advance
Our data shows that travellers who book at least 12 weeks in advance save around 12% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
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We hope you enjoy your trip to Castries!
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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

Sun, 29 Nov - Wed, 2 Dec
Air Canada Logo
9:35 p.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
18h 05m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 8:53 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
28h 18m2 stops Toronto Pearson Intl Ottawa
C$ 548Air Canada
Sun, 29 Nov - Wed, 2 Dec
Air Canada Logo
9:35 p.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
18h 05m2 stops Ottawa 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$ 548Air Canada
Sun, 29 Nov - Wed, 2 Dec
Air Canada Logo
5:00 a.m. - 4:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
10h 40m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 p.m. - 8:25 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
15h 50m1 stop Toronto Pearson Intl
C$ 550Air Canada
Wed, 16 Dec - Mon, 21 Dec
American Airlines Logo
7:33 a.m. - 3:08 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
30h 35m1 stop Philadelphia
American Airlines Logo
4:15 p.m. - 10:45 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
31h 30m1 stop Charlotte Douglas
C$ 616American Airlines
Sat, 16 Jan - Sat, 23 Jan
American Airlines Logo
1:00 p.m. - 2:16 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
24h 16m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
3:27 p.m. - 3:24 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
24h 57m1 stop Philadelphia
C$ 618American Airlines
Tue, 9 Mar - Tue, 23 Mar
American Airlines Logo
1:00 p.m. - 3:05 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
25h 05m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
2:39 p.m. - 11:24 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
20h 45m2 stops Miami Chicago O'Hare Intl
C$ 625American Airlines
Fri, 30 Oct - Sat, 7 Nov
United Airlines Logo
7:00 a.m. - 12:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
29h 07m1 stop Newark
United Airlines Logo
1:52 p.m. - 3:16 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
26h 24m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
C$ 643United Airlines
Wed, 13 Jan - Tue, 19 Jan
WestJet Logo
8:00 p.m. - 2:55 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
17h 55m1 stop Toronto Pearson Intl
WestJet Logo
3:55 p.m. - 11:30 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
20h 35m1 stop Toronto Pearson Intl
C$ 652WestJet
Fri, 15 Jan - Sat, 23 Jan
American Airlines Logo
4:00 p.m. - 2:27 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
21h 27m1 stop Philadelphia
American Airlines Logo
3:27 p.m. - 3:24 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
24h 57m1 stop Philadelphia
C$ 660American Airlines
Thu, 14 Jan - Sat, 23 Jan
American Airlines Logo
12:10 p.m. - 2:16 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
25h 06m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
3:27 p.m. - 12:17 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
21h 50m1 stop Philadelphia
C$ 666American Airlines
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.

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 typically range from C$ 641 to C$ 1,033. The lowest price found in the past 5 days was C$ 548, on Air Canada.

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 10% cheaper than the average day, while Thursday is the most expensive, with prices 42% higher.

When are flights 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 12% 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$ 254
Beat the crowds with an average 73% drop in traveller numbers.
The most popular month to fly with an average 73% 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

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

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • 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$ 641 to C$ 1,033, with an average of C$ 765 over the past 12 months. Anything below C$ 641 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 two weeks of departure) are 7% below the route average of C$ 765. Booking late can sometimes save you money, but availability 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$ 547 to C$ 4,438. That means the highest observed fare was about 8x 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$ 341, which is 42% 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$ 22 for economy cars. Top options include:

    • Drive A Matic
    • Final Rentals
    • Sixt
    • 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?

    Most connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries pass through Toronto Pearson Intl (YYZ), 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 37% on flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries. Sunday is the cheapest departure day at C$ 693 round-trip on average, while Thursday is the most expensive at C$ 1,087, a difference of C$ 394.

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

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 and avoid flying on Thursday. On this route, Sunday flights average C$ 693, about C$ 394 less than Thursday fares (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 12% 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$ 581 round-trip in that month – typically C$ 448 less than the most expensive month, which is March (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