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Cheap flights from Ontario to Castries from C$ 336

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 5/3. 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.
WestJet Logo
5:40 a.m. - 1:46 p.m.
YOW
-
UVF
8h 06m
1 stop
WestJet Logo
2:40 p.m. - 12:39 a.m.
UVF
-
YOW
9h 59m
1 stop
C$ 506WestJet
Thu, 26 Mar - Tue, 7 Apr
WestJet Logo
5:40 a.m. - 1:46 p.m.
YOW
-
UVF
8h 06m
1 stop
WestJet Logo
2:40 p.m. - 12:39 a.m.
UVF
-
YOW
9h 59m
1 stop
C$ 544WestJet
Thu, 26 Mar - Tue, 7 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. - 11:36 a.m.
UVF
-
YUL
19h 21m
2 stops
C$ 560Air Canada
Tue, 24 Mar - Thu, 2 Apr
WestJet Logo
7:25 p.m. - 1:40 p.m.
YUL
-
UVF
18h 15m
1 stop
WestJet Logo
2:35 p.m. - 12:40 a.m.
UVF
-
YUL
10h 05m
1 stop
C$ 575WestJet
Wed, 27 May - Sun, 14 Jun
American Airlines Logo
6:00 a.m. - 3:58 p.m.
YYZ
-
UVF
8h 58m
1 stop
American Airlines Logo
3:58 p.m. - 12:29 p.m.
UVF
-
YYZ
20h 31m
1 stop
C$ 577American Airlines
Wed, 4 Mar - Wed, 11 Mar
American Airlines Logo
1:55 p.m. - 2:58 p.m.
YYZ
-
UVF
25h 03m
2 stops
American Airlines Logo
3:58 p.m. - 7:04 p.m.
UVF
-
YYZ
27h 06m
2 stops
C$ 580American Airlines
Mon, 9 Mar - Mon, 16 Mar
Air Canada Logo
6:00 a.m. - 3:25 p.m.
YUL
-
UVF
9h 25m
1 stop
Air Canada Logo
4:20 p.m. - 1:51 a.m.
UVF
-
YUL
9h 31m
1 stop
C$ 581Air Canada
Wed, 25 Mar - Wed, 1 Apr
Air Canada Logo
6:00 a.m. - 3:25 p.m.
YUL
-
UVF
9h 25m
1 stop
Air Canada Logo
4:20 p.m. - 9:20 a.m.
UVF
-
YUL
17h 00m
1 stop
C$ 582Air Canada
Wed, 25 Mar - Wed, 1 Apr
Multiple Airlines Logo
5:55 a.m. - 1:40 p.m.
YOW
-
UVF
7h 45m
1 stop
Multiple Airlines Logo
3:05 p.m. - 9:15 a.m.
UVF
-
YOW
18h 10m
1 stop
C$ 805Multiple Airlines
Sun, 31 May - Tue, 30 Jun
Multiple Airlines Logo
5:40 a.m. - 1:46 p.m.
YOW
-
UVF
8h 06m
1 stop
Multiple Airlines Logo
2:40 p.m. - 2:39 p.m.
UVF
-
YOW
23h 59m
2 stops
C$ 820Multiple Airlines
Thu, 26 Mar - Tue, 7 Apr

WestJet flights from Region of Ontario to Castries

Our best WestJet deals on Region of Ontario to Castries flight tickets
WestJet
26 Mar
YOW5:40 a.m.Ottawa
8h 06m
1 stop
UVF1:46 p.m.Castries Hewanorra
7 Apr
UVF2:40 p.m.Castries Hewanorra
9h 59m
1 stop
YOW12:39 a.m.Ottawa
C$ 506
WestJet
26 Mar
YOW5:40 a.m.Ottawa
8h 06m
1 stop
UVF1:46 p.m.Castries Hewanorra
7 Apr
UVF2:40 p.m.Castries Hewanorra
9h 59m
1 stop
YOW12:39 a.m.Ottawa
C$ 544
WestJet
27 May
YUL7:25 p.m.Montreal Pierre Elliott Trudeau Intl
18h 15m
1 stop
UVF1:40 p.m.Castries Hewanorra
14 Jun
UVF2:35 p.m.Castries Hewanorra
10h 05m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 575

American Airlines flights from Region of Ontario to Castries

Our best American Airlines deals on Region of Ontario to Castries flight tickets
American Airlines
2 Feb
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
25h 04m
2 stops
UVF3:03 p.m.Castries Hewanorra
9 Feb
UVF5:02 p.m.Castries Hewanorra
23h 18m
2 stops
YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 537
American Airlines
2 Feb
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
25h 04m
2 stops
UVF3:03 p.m.Castries Hewanorra
9 Feb
UVF4:06 p.m.Castries Hewanorra
22h 39m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 549
American Airlines
4 Mar
YYZ6:00 a.m.Toronto Pearson Intl
8h 58m
1 stop
UVF3:58 p.m.Castries Hewanorra
11 Mar
UVF3:58 p.m.Castries Hewanorra
20h 31m
1 stop
YYZ12:29 p.m.Toronto Pearson Intl
C$ 577

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 28 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

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Thu 26/3

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

1 stop8h 06m

Castries Hewanorra

Tue 7/4

2:40 p.m.-12:39 a.m.

1 stop9h 59m

C$ 506

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Thu 26/3

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

1 stop8h 06m

Castries Hewanorra

Tue 7/4

2:40 p.m.-12:39 a.m.

1 stop9h 59m

C$ 544

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

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

1 stop16h 55m

Castries Hewanorra

Thu 2/4

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

2 stops19h 21m

C$ 560

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

7:25 p.m.-1:40 p.m.

1 stop18h 15m

Castries Hewanorra

Sun 14/6

2:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 575

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Wed 4/3

6:00 a.m.-3:58 p.m.

1 stop8h 58m

Castries Hewanorra

Wed 11/3

3:58 p.m.-12:29 p.m.

1 stop20h 31m

C$ 577

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Mon 9/3

1:55 p.m.-2:58 p.m.

2 stops25h 03m

Castries Hewanorra

Mon 16/3

3:58 p.m.-7:04 p.m.

2 stops27h 06m

C$ 580

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

6:00 a.m.-3:25 p.m.

1 stop9h 25m

Castries Hewanorra

Wed 1/4

4:20 p.m.-1:51 a.m.

1 stop9h 31m

C$ 581

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

6:00 a.m.-3:25 p.m.

1 stop9h 25m

Castries Hewanorra

Wed 1/4

4:20 p.m.-9:20 a.m.

1 stop17h 00m

C$ 582

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Sun 31/5

5:55 a.m.-1:40 p.m.

1 stop7h 45m

Castries Hewanorra

Tue 30/6

3:05 p.m.-9:15 a.m.

1 stop18h 10m

C$ 805

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Thu 26/3

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

1 stop8h 06m

Castries Hewanorra

Tue 7/4

2:40 p.m.-2:39 p.m.

2 stops23h 59m

C$ 820

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$ 379. The month of November is another great option to travel to Castries, with average flight prices from Region of Ontario averaging around C$ 407.

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$ 754. 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$ 918.

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$ 678 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$ 655 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 3% 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$ 398

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$ 398. The best round-trip flight deal from Region of Ontario to Castries found on momondo in the last 72 hours is C$ 588.
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$ 191Free CancellationRating
7.4
9,213 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 216Free CancellationRating
7.2
11,199 reviews
Search American Airlines flights
WestJetPriceFrom C$ 428Free CancellationRating
7.2
3,251 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 445Free CancellationRating
7.1
10,666 reviews
Search Air Canada flights
WestJet EncorePriceFrom C$ 736Free 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