YUL - UVF

C$ 389 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$ 587
Typical prices: C$ 634-C$ 1,021
United Airlines
Tue 27/11Wed 5/12
YUL - UVF • 2 stops
Cheapest one-way flights
C$ 309
Typical prices: C$ 499-C$ 1,049
American Airlines
Sun 18/2
YUL - UVF • 2 stops
When to book
12 weeks
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
August
Cheapest • 24% price drop
December
Most popular
Good to know
+1
Good to know
+1
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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

Fri, 27 Nov - Sat, 5 Dec
United Airlines Logo
6:00 a.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
30h 07m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
5:17 p.m. - 3:16 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
22h 59m2 stops Newark Washington, D.C. Reagan-National
C$ 587United Airlines
Fri, 27 Nov - Sat, 5 Dec
United Airlines Logo
6:00 a.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
30h 07m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
1:52 p.m. - 2:00 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
25h 08m1 stop Chicago O'Hare Intl
C$ 612United Airlines
Sat, 23 Jan - Sat, 30 Jan
American Airlines Logo
7:00 a.m. - 2:16 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
30h 16m1 stop Charlotte Douglas
American Airlines Logo
3:13 p.m. - 12:17 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
22h 04m1 stop Philadelphia
C$ 635American Airlines
Thu, 26 Nov - Fri, 4 Dec
American Airlines Logo
7:05 a.m. - 3:27 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
31h 22m1 stop Charlotte Douglas
American Airlines Logo
4:24 p.m. - 10:57 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
31h 33m1 stop Charlotte Douglas
C$ 635American Airlines
Sat, 23 Jan - Sat, 30 Jan
American Airlines Logo
7:00 a.m. - 2:16 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
30h 16m1 stop Charlotte Douglas
American Airlines Logo
3:13 p.m. - 3:24 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
25h 11m1 stop Philadelphia
C$ 635American Airlines
Tue, 1 Dec - Sun, 6 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. - 10:03 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
17h 28m2 stops Toronto Pearson Intl Ottawa
C$ 636Air Canada
Sun, 29 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. - 10:03 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
41h 28m2 stops Toronto Pearson Intl Ottawa
C$ 636Air Canada
Sun, 29 Nov - Fri, 4 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. - 6:48 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
14h 13m2 stops Toronto Pearson Intl Ottawa
C$ 636Air Canada
Sun, 29 Nov - Fri, 4 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. - 6:48 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
14h 13m2 stops Toronto Pearson Intl Ottawa
C$ 636Air Canada
Sun, 29 Nov - Sun, 6 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. - 8:25 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
15h 50m1 stop Toronto Pearson Intl
C$ 636Air 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 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$ 634 to C$ 1,021. The lowest price found in the past 5 days was C$ 587, on United Airlines.

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.

Find deals

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

Low season

September

Cheapest flight

C$ 309
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$ 634 to C$ 1,021, with an average of C$ 756 over the past 12 months. Anything below C$ 634 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$ 756. 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$ 587 to C$ 3,579. That means the highest observed fare was about 6x 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$ 517, which is 11% 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 averaging C$ 84 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$ 685 round-trip on average, while Thursday is the most expensive at C$ 1,075, a difference of C$ 390.

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

  • What is the time difference between Montreal Pierre Elliott Trudeau Intl Airport and Castries?

    Castries is 1 hour ahead of Montreal Pierre Elliott Trudeau Intl Airport (Atlantic Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

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$ 685, about C$ 390 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$ 574 round-trip in that month – typically C$ 443 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

Car rentals in Castries
Hotels in Castries