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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries from C$ 237

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — UVF
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Castries

Enter your travel dates to find the best prices.

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 27 July 2026.

Sat 22/83:45 p.m.
YUL
-
UVF
2 stops22h 04m
American Airlines
Fri 28/83:19 p.m.
UVF
-
YUL
2 stops20h 24m
American Airlines
Deal found 27/7C$ 559
Wed 26/85:34 p.m.
YUL
-
UVF
2 stops20h 45m
American Airlines
Tue 1/92:49 p.m.
UVF
-
YUL
2 stops23h 55m
American Airlines
Deal found 24/7C$ 565
Sat 31/108:00 p.m.
YUL
-
UVF
1 stop20h 40m
Air Canada
Fri 6/115:40 p.m.
UVF
-
YUL
1 stop15h 45m
Air Canada
Deal found 24/7C$ 600
Thu 26/116:00 a.m.
YUL
-
UVF
1 stop9h 40m
Air Canada
Mon 30/115:40 p.m.
UVF
-
YUL
1 stop15h 45m
Air Canada
Deal found 25/7C$ 609
Fri 23/106:00 a.m.
YUL
-
UVF
1 stop8h 15m
Air Canada
Thu 29/104:40 p.m.
UVF
-
YUL
2 stops14h 08m
Air Canada
Deal found 23/7C$ 616
Sat 24/1011:10 a.m.
YUL
-
UVF
1 stop28h 30m
Air Canada
Fri 30/104:40 p.m.
UVF
-
YUL
1 stop17h 45m
Air Canada
Deal found 23/7C$ 621
Sat 15/82:30 p.m.
YUL
-
UVF
1 stop23h 59m
American Airlines
Fri 21/83:19 p.m.
UVF
-
YUL
2 stops23h 25m
American Airlines
Deal found 23/7C$ 623
Wed 19/82:30 p.m.
YUL
-
UVF
1 stop23h 49m
American Airlines
Tue 25/82:49 p.m.
UVF
-
YUL
2 stops24h 40m
American Airlines
Deal found 23/7C$ 627
Sat 29/83:45 p.m.
YUL
-
UVF
2 stops22h 04m
American Airlines
Fri 4/93:19 p.m.
UVF
-
YUL
2 stops24h 10m
American Airlines
Deal found 23/7C$ 628

Find 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 (UVF). 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 27 July 2026.

Round-trip from

C$ 559

One-way from

C$ 237

Popular in

October

Cheapest in

August

Average price

C$ 675
American Airlines
  • American Airlines
  • 22/8-28/8
  • 4 total stops
  • 42h 28m total
  • Montreal to Castries
Search Deals
Air Canada
  • Air Canada
  • 31/8
  • 1 total stop
  • 29h 05m total
  • Montreal to Castries
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 27 July 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

5:35 p.m.-2:29 p.m.

2 stops20h 54m

Castries Hewanorra

Fri 28/8

2:49 p.m.-11:43 a.m.

2 stops20h 54m

C$ 559

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 26/8

5:34 p.m.-2:19 p.m.

2 stops20h 45m

Castries Hewanorra

Tue 1/9

2:49 p.m.-2:44 p.m.

2 stops23h 55m

C$ 565

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 6/1

9:35 p.m.-4:40 p.m.

2 stops18h 05m

Castries Hewanorra

Wed 13/1

5:40 p.m.-10:03 a.m.

2 stops17h 23m

C$ 619

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

6:10 a.m.-4:25 p.m.

1 stop9h 15m

Castries Hewanorra

Sat 12/12

5:17 p.m.-3:02 p.m.

2 stops22h 45m

C$ 703

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

9:35 p.m.-4:40 p.m.

2 stops42h 05m

Castries Hewanorra

Sun 20/12

5:40 p.m.-10:03 a.m.

2 stops17h 23m

C$ 736
Quickest round-trip

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

9:35 p.m.-4:40 p.m.

2 stops18h 05m

Castries Hewanorra

Sat 12/12

3:55 p.m.-12:33 a.m.

1 stop9h 38m

C$ 778

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

2:24 p.m.-1:29 p.m.

2 stops22h 05m

Castries Hewanorra

Sat 26/12

3:06 p.m.-10:58 p.m.

1 stop8h 52m

C$ 855
Cheapest one-way

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

4:15 p.m.-1:49 p.m.

2 stops21h 34m

C$ 259
Quickest one-way

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

5:00 a.m.-2:20 p.m.

1 stop9h 20m

C$ 263

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

9:15 a.m.-3:31 p.m.

2 stops30h 16m

C$ 272

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries (average of C$ 579). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries in October is currently the most expensive (average of C$ 1,298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 27 July 2026.
Read reviews from past customers who have flown Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Castries. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,392 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Food

6.3

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,392 reviews
Air Canada
7.1
Good
11,392 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Food

6.3

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

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?

    Castries Hewanorra (UVF) is the airport you will fly into if you book a flight from Montreal Pierre Elliott Trudeau Intl to Castries. You should not have trouble finding flights to Hewanorra from Montreal Pierre Elliott Trudeau Intl; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Castries airport from Montreal Pierre Elliott Trudeau Intl. It is only a 31.1 km journey from Hewanorra (UVF) to Castries’s city centre.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

    Airlines like American Airlines, Air Canada, and United Airlines fly from Montreal Pierre Elliott Trudeau Intl Airport to Castries in about 9h 15m. The time it takes to get you to your destination can typically vary by up to 11h 39m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Castries is about 3726 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Currently priced at C$ 528, 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. Users have found that Air Canada is 38% cheaper than the other options available to this destination.

  • 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.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries?

    Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Castries (average of C$ 579). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Castries in October is currently the most expensive (average of C$ 1,298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Pierre Elliott Trudeau Intl to Castries

See prices for flight routes from nearby airports that may be better suited for you.
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 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 528AverageC$ 715FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Pierre Elliott Trudeau Intl to Castries flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Pierre Elliott Trudeau Intl to Castries flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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