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Cheap flights from Ontario to Castries from C$ 339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Castries departing on 18/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Ontario to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:50 a.m. - 3:25 p.m.
YUL
-
UVF
30h 35m
2 stops
Air Canada Logo
4:15 p.m. - 11:36 a.m.
UVF
-
YUL
19h 21m
2 stops
C$ 539Air Canada
Tue, 24 Mar - Thu, 2 Apr
Air Canada Logo
10:30 p.m. - 3:25 p.m.
YUL
-
UVF
16h 55m
1 stop
Air Canada Logo
4:15 p.m. - 7:36 a.m.
UVF
-
YUL
15h 21m
1 stop
C$ 552Air Canada
Sun, 29 Mar - Thu, 2 Apr
Multiple Airlines Logo
10:10 a.m. - 4:20 p.m.
YYZ
-
UVF
5h 10mdirect
Multiple Airlines Logo
2:40 p.m. - 8:38 p.m.
UVF
-
YYZ
5h 58mdirect
C$ 589Multiple Airlines
Wed, 4 Mar - Tue, 10 Mar
Air Canada Logo
10:10 a.m. - 4:20 p.m.
YYZ
-
UVF
5h 10mdirect
Air Canada Logo
4:15 p.m. - 10:00 p.m.
UVF
-
YYZ
5h 45mdirect
C$ 590Air Canada
Wed, 4 Mar - Fri, 13 Mar
American Airlines Logo
6:00 a.m. - 3:03 p.m.
YYZ
-
UVF
8h 03m
1 stop
American Airlines Logo
4:18 p.m. - 6:29 p.m.
UVF
-
YYZ
27h 11m
1 stop
C$ 600American Airlines
Mon, 2 Feb - Thu, 12 Feb
WestJet Logo
7:25 p.m. - 1:44 p.m.
YUL
-
UVF
18h 19m
1 stop
WestJet Logo
2:30 p.m. - 12:40 a.m.
UVF
-
YUL
10h 10m
1 stop
C$ 601WestJet
Wed, 29 Apr - Thu, 7 May
American Airlines Logo
3:59 p.m. - 3:03 p.m.
YUL
-
UVF
22h 04m
2 stops
American Airlines Logo
4:06 p.m. - 1:45 p.m.
UVF
-
YUL
22h 39m
1 stop
C$ 607American Airlines
Mon, 2 Feb - Mon, 9 Feb
WestJet Logo
8:25 a.m. - 1:44 p.m.
YYZ
-
UVF
5h 19mdirect
WestJet Logo
2:30 p.m. - 8:10 p.m.
UVF
-
YYZ
5h 40mdirect
C$ 612WestJet
Thu, 30 Apr - Thu, 7 May
American Airlines Logo
12:59 p.m. - 3:03 p.m.
YUL
-
UVF
25h 04m
2 stops
American Airlines Logo
5:02 p.m. - 1:45 p.m.
UVF
-
YUL
21h 43m
2 stops
C$ 612American Airlines
Mon, 2 Feb - Mon, 9 Feb
Multiple Airlines Logo
5:40 a.m. - 1:46 p.m.
YOW
-
UVF
8h 06m
1 stop
Multiple Airlines Logo
2:40 p.m. - 8:25 a.m.
UVF
-
YOW
17h 45m
1 stop
C$ 821Multiple Airlines
Thu, 2 Apr - Tue, 7 Apr

WestJet flights from Region of Ontario to Castries

Our best WestJet deals on Region of Ontario to Castries flight tickets
WestJet
30 Apr
YOW5:55 a.m.Ottawa
7h 49m
1 stop
UVF1:44 p.m.Castries Hewanorra
7 May
UVF2:30 p.m.Castries Hewanorra
9h 50m
1 stop
YOW12:20 a.m.Ottawa
C$ 595
WestJet
29 Apr
YUL7:25 p.m.Montreal Pierre Elliott Trudeau Intl
18h 19m
1 stop
UVF1:44 p.m.Castries Hewanorra
7 May
UVF2:30 p.m.Castries Hewanorra
10h 10m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 601
WestJet
30 Apr
YYZ8:25 a.m.Toronto Pearson Intl
5h 19m
UVF1:44 p.m.Castries Hewanorra
7 May
UVF2:30 p.m.Castries Hewanorra
5h 40m
YYZ8:10 p.m.Toronto Pearson Intl
C$ 612

Air Canada flights from Region of Ontario to Castries

Our best Air Canada deals on Region of Ontario to Castries flight tickets
Air Canada
24 Mar
YUL8:50 a.m.Montreal Pierre Elliott Trudeau Intl
30h 35m
2 stops
UVF3:25 p.m.Castries Hewanorra
2 Apr
UVF4:15 p.m.Castries Hewanorra
19h 21m
2 stops
YUL11:36 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 539
Air Canada
29 Mar
YUL10:30 p.m.Montreal Pierre Elliott Trudeau Intl
16h 55m
1 stop
UVF3:25 p.m.Castries Hewanorra
2 Apr
UVF4:15 p.m.Castries Hewanorra
15h 21m
1 stop
YUL7:36 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 552
Air Canada
4 Mar
YYZ10:10 a.m.Toronto Pearson Intl
5h 10m
UVF4:20 p.m.Castries Hewanorra
13 Mar
UVF4:15 p.m.Castries Hewanorra
5h 45m
YYZ10:00 p.m.Toronto Pearson Intl
C$ 590

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario 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, momondo users made 96,600 searches. Data last updated 22 January 2026.
Use the filters below to find and compare flights from Ontario to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

8:50 a.m.-3:25 p.m.

2 stops30h 35m

Castries Hewanorra

Thu 2/4

4:15 p.m.-11:36 a.m.

2 stops19h 21m

C$ 539

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

10:30 p.m.-3:25 p.m.

1 stop16h 55m

Castries Hewanorra

Thu 2/4

4:15 p.m.-7:36 a.m.

1 stop15h 21m

C$ 552

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Wed 4/3

10:10 a.m.-4:20 p.m.

Nonstop5h 10m

Castries Hewanorra

Tue 10/3

2:40 p.m.-8:38 p.m.

Nonstop5h 58m

C$ 589

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Wed 4/3

10:10 a.m.-4:20 p.m.

Nonstop5h 10m

Castries Hewanorra

Fri 13/3

4:15 p.m.-10:00 p.m.

Nonstop5h 45m

C$ 590

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Mon 2/2

6:00 a.m.-3:03 p.m.

1 stop8h 03m

Castries Hewanorra

Thu 12/2

4:18 p.m.-6:29 p.m.

1 stop27h 11m

C$ 600

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

7:25 p.m.-1:44 p.m.

1 stop18h 19m

Castries Hewanorra

Thu 7/5

2:30 p.m.-12:40 a.m.

1 stop10h 10m

C$ 601

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

3:59 p.m.-3:03 p.m.

2 stops22h 04m

Castries Hewanorra

Mon 9/2

4:06 p.m.-1:45 p.m.

1 stop22h 39m

C$ 607

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Thu 30/4

8:25 a.m.-1:44 p.m.

Nonstop5h 19m

Castries Hewanorra

Thu 7/5

2:30 p.m.-8:10 p.m.

Nonstop5h 40m

C$ 612

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

12:59 p.m.-3:03 p.m.

2 stops25h 04m

Castries Hewanorra

Mon 9/2

5:02 p.m.-1:45 p.m.

2 stops21h 43m

C$ 612

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Thu 2/4

5:40 a.m.-1:46 p.m.

1 stop8h 06m

Castries Hewanorra

Tue 7/4

2:40 p.m.-8:25 a.m.

1 stop17h 45m

C$ 821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from Region of Ontario to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Castries?

In general, June is the cheapest month to fly from Region of Ontario to Castries. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 383. The month of November is another great option to travel to Castries, with average flight prices from Region of Ontario averaging around C$ 412.

What is the cheapest day to depart on your flight to Castries?

According to our data, Thursday is the cheapest day to fly to Castries from Region of Ontario. The lowest ticket price found for a Thursday departure recently was C$ 757. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Castries on Friday is C$ 911.

What is the cheapest Ontario to Castries Hewanorra flight route?

Fly from Toronto Pearson Intl to Castries Hewanorra for the best Ontario - Castries Hewanorra flight prices

How far in advance should I book a flight to Castries?

You are more likely to see cheaper flights to Castries from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around C$ 684 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from Region of Ontario for as low as C$ 662 on momondo.

What cabin class options are available on Ontario to Castries Hewanorra flights?

There are 2 cabin classes available to choose from on Ontario to Castries Hewanorra flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to Castries flights?

You could potentially save up to 12% on your flight if you consider stops on a Region of Ontario to Castries flight.

Cheap Region of Ontario to Castries flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Castries

Best price found

C$ 399

Fastest flight time

5h 15m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Castries

1 airport
The best one-way flight to Castries from Region of Ontario in the past 72 hours is C$ 399. The best round-trip flight deal from Region of Ontario to Castries found on momondo in the last 72 hours is C$ 596.
The fastest flight from Region of Ontario to Castries takes 5h 15m
Direct flights go from Region of Ontario to Castries on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Air Canada.
There is 1 airport in Castries. From Region of Ontario there are direct flights to Castries Hewanorra (UVF).
Search flight deals

  • When did momondo last update prices for flights from Ontario to Castries Hewanorra Airport?

    Prices for flights from Ontario to Castries Hewanorra Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario to Castries Hewanorra Airport?

  • How old do you have to be to fly from Ontario to Castries Hewanorra Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The required travel and health documents for your Castries Hewanorra Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Castries Hewanorra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Region of Ontario to Castries?

Best airlines flying from Region of Ontario to Castries

Compare and see reviews for airlines that fly from Region of Ontario to Castries with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 193Free CancellationRating
7.4
9,190 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 219Free CancellationRating
7.2
11,173 reviews
Search American Airlines flights
WestJetPriceFrom C$ 434Free CancellationRating
7.2
3,246 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 455Free CancellationRating
7.1
10,646 reviews
Search Air Canada flights
WestJet EncorePriceFrom C$ 744Free CancellationRating
0.0
Search WestJet Encore flights

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Castries?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Castries . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Castries with flexible booking policies on momondo?

Yes. All flights to Castries from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Castries?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Castries.

I’m not ready to book a flight from Ontario to Castries right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Castries flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Airports servicing Saint Lucia

Castries George F. L. Charle Airport