YUL - UVF

C$ 318 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$ 600
Typical prices: C$ 649-C$ 1,052
United Airlines
Mon 26/11Wed 5/12
YUL - UVF • 2 stops
Cheapest one-way flights
C$ 275
Typical prices: C$ 509-C$ 1,069
WestJet
Tue 3/4
YUL - UVF • 1 stop
When to book
20 weeks
in advance
Our data shows that travellers who book at least 20 weeks in advance save around 7% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 25% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Toronto Pearson Intl (YYZ)
Cheapest • Avg C$ 871 (round-trip)
Newark (EWR)
Shortest trip • 21h 43m (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

Thu, 26 Nov - Sat, 5 Dec
United Airlines Logo
4:45 p.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
43h 22m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
5:17 p.m. - 2:00 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
21h 43m2 stops Newark Chicago O'Hare Intl
C$ 600United Airlines
3+ days ago
Thu, 26 Nov - Sat, 5 Dec
United Airlines Logo
4:45 p.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
43h 22m2 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$ 600United Airlines
3+ days ago
Fri, 27 Nov - Sat, 12 Dec
United Airlines Logo
7:00 a.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
29h 07m1 stop 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. Dulles Intl
C$ 603United Airlines
2 days ago
Fri, 27 Nov - Sat, 12 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. Dulles Intl
C$ 603United Airlines
2 days ago
Thu, 26 Nov - Sat, 12 Dec
United Airlines Logo
4:45 p.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
43h 22m2 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. Dulles Intl
C$ 603United Airlines
2 days ago
Fri, 27 Nov - Sat, 5 Dec
United Airlines Logo
3:00 p.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
21h 07m1 stop 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$ 617United Airlines
3+ days ago
Fri, 27 Nov - Sat, 5 Dec
United Airlines Logo
2:13 p.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
21h 54m2 stops Washington, D.C. Dulles Intl 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$ 617United Airlines
3+ days ago
Fri, 27 Nov - Sat, 5 Dec
United Airlines Logo
3:00 p.m. - 1:07 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
21h 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. Reagan-National
C$ 617United Airlines
3+ days ago
Fri, 2 Apr - Sun, 11 Apr
Air Canada Logo
9:35 p.m. - 3:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
42h 05m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
4:45 p.m. - 11:21 p.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
30h 36m1 stop Toronto Pearson Intl
C$ 700Air Canada
1 day ago
Fri, 2 Apr - Sun, 11 Apr
Air Canada Logo
9:35 p.m. - 3:40 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-UVF Castries Hewanorra
42h 05m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
4:45 p.m. - 6:34 a.m.UVF  Castries Hewanorra-YUL Montreal Pierre Elliott Trudeau Intl
13h 49m2 stops Toronto Pearson Intl Ottawa
C$ 701Air Canada
1 day 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.

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$ 649 to C$ 1,052. The lowest price found in the past 5 days was C$ 600, 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 11% cheaper than the average day, while Thursday is the most expensive, with prices 41% 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 20 weeks before departure. Booking in this window typically costs about 7% 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$ 275
Beat the crowds with an average 75% drop in traveller numbers.
The most popular month to fly with an average 80% 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.

  • 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 06m and 21h 43m 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$ 649 to C$ 1,052, with an average of C$ 777 over the past 12 months. Anything below C$ 649 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 9% below the route average of C$ 777. 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$ 600 to C$ 4,135. That means the highest observed fare was about 7x 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$ 304, which is 49% 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$ 85 for economy cars. Top options include:

    • Drive A Matic
    • Final Rentals
    • Sixt
    • Ace
    • 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 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
    • Newark (EWR) – 1% of one-stop connections

  • 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$ 698 round-trip on average, while Thursday is the most expensive at C$ 1,096, a difference of C$ 398.

    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 06m, compared with 21h 43m via Newark (EWR).

  • 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$ 698, about C$ 398 less than Thursday fares (36% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 7% 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$ 586 round-trip in that month – typically C$ 475 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

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