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Cheap flights from Ontario to Castries from C$ 192

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — UVF
30 May — 6 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Castries

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Castries
Explore the most affordable flight options available from Ontario to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2026.

Fri 5/68:55 a.m.
YYZ
-
UVF
Nonstop5h 15m
Air Canada
Tue 9/63:05 p.m.
UVF
-
YYZ
Nonstop5h 45m
Air Canada
Deal found 26/4C$ 457
Thu 11/68:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Sun 14/62:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 26/4C$ 458
Thu 28/58:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Thu 4/62:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 28/4C$ 464
Sun 5/78:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Sun 19/72:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 29/4C$ 469
Wed 3/66:25 p.m.
YOW
-
UVF
1 stop19h 15m
WestJet
Sun 7/62:30 p.m.
UVF
-
YOW
1 stop9h 50m
WestJet
Deal found 25/4C$ 473
Sun 31/58:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Thu 11/62:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 26/4C$ 479
Sun 9/88:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Thu 13/82:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 27/4C$ 483
Sun 23/88:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Sun 30/82:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 28/4C$ 487
Tue 1/98:55 a.m.
YYZ
-
UVF
Nonstop5h 25m
Air Canada
Fri 18/93:15 p.m.
UVF
-
YYZ
Nonstop5h 30m
Air Canada
Deal found 29/4C$ 494
Fri 5/68:55 a.m.
YYZ
-
UVF
Nonstop5h 15m
Multiple Airlines
Sun 7/62:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
Multiple Airlines
Deal found 26/4C$ 501
Sat 30/56:25 p.m.
YOW
-
UVF
1 stop19h 15m
WestJet
Thu 11/62:30 p.m.
UVF
-
YOW
1 stop27h 05m
WestJet
Deal found 25/4C$ 523
Tue 2/65:05 a.m.
YOW
-
UVF
1 stop9h 05m
Air Canada
Fri 12/63:05 p.m.
UVF
-
YOW
1 stop24h 06m
Air Canada
Deal found 25/4C$ 564

Find flight deals from Ontario to Castries

Keep the following information in mind while searching for Ontario to Castries flight deals. Data was last updated 30 April 2026.

Round-trip from

C$ 457

One-way from

C$ 192

Popular in

December

Cheapest in

September
Air Canada
  • Air Canada
  • 5/6-9/6
  • Nonstop
  • 11h 00m total
  • Ontario to Castries
Search Deals
WestJet
  • WestJet
  • 11/6
  • Nonstop
  • 5h 25m total
  • Ontario to Castries
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 286 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 97 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 629,999 searches. Data last updated 30 April 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

Cheapest round-trip

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Wed 3/6

9:45 p.m.-2:10 p.m.

2 stops40h 25m

Castries Hewanorra

Fri 12/6

3:05 p.m.-1:36 a.m.

1 stop10h 31m

C$ 569

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Wed 3/6

9:45 p.m.-2:10 p.m.

2 stops40h 25m

Castries Hewanorra

Sun 7/6

2:30 p.m.-12:20 a.m.

1 stop9h 50m

C$ 587
Quickest round-trip

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

5:00 a.m.-2:05 p.m.

1 stop9h 05m

Castries Hewanorra

Tue 23/6

3:15 p.m.-1:52 a.m.

1 stop10h 37m

C$ 642

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

9:45 a.m.-2:05 p.m.

2 stops28h 20m

Castries Hewanorra

Thu 25/6

2:30 p.m.-12:25 a.m.

1 stop9h 55m

C$ 664

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

7:29 a.m.-2:16 p.m.

1 stop30h 47m

Castries Hewanorra

Thu 25/6

3:16 p.m.-9:50 a.m.

2 stops18h 34m

C$ 917

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Wed 3/6

7:20 a.m.-1:40 p.m.

3 stops30h 20m

Castries Hewanorra

Sun 7/6

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

2 stops22h 00m

C$ 1,006

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Fri 15/5

6:06 p.m.-1:09 p.m.

1 stop19h 03m

Castries Hewanorra

Wed 20/5

3:28 p.m.-12:34 p.m.

2 stops21h 06m

C$ 1,070

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Wed 21/10

6:15 a.m.-2:26 p.m.

1 stop8h 11m

Castries Hewanorra

Thu 29/10

3:41 p.m.-5:22 p.m.

2 stops25h 41m

C$ 1,100

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Wed 21/10

6:15 a.m.-2:26 p.m.

1 stop8h 11m

Castries Hewanorra

Tue 27/10

3:41 p.m.-10:24 a.m.

1 stop18h 43m

C$ 1,100

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Wed 3/6

7:10 p.m.-1:40 p.m.

2 stops18h 30m

Castries Hewanorra

Thu 11/6

2:30 p.m.-5:35 p.m.

1 stop27h 05m

C$ 1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 50 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Ontario 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 Ontario to Castries

How far ahead should I book a flight from Region of Ontario to Castries?

To ensure you get the cheapest price possible for a flight from Region of Ontario to Castries, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Region of Ontario to Castries?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Castries (average of C$ 175). Flying from Region of Ontario to Castries in December is currently the most expensive (average of C$ 335). 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.

What is the cheapest time of day to fly from ON to UVF?

Find hourly flight availability from Ontario to Castries. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2026.

When flying from Region of Ontario to Castries, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Region of Ontario to Castries?

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 Ontario?

    If you book a flight to Castries from Ontario, you will be flying to Hewanorra, which is the city’s only airport. Castries Hewanorra (UVF) is located 31.1 km from the centre of Castries.

  • How long is the flight from Region of Ontario to Castries?

    Air Canada, WestJet, and American Airlines can get you from Region of Ontario to Castries in just under 19h 03m. Your travel time can differ by up to 21h 22m. There are 3772 km between Region of Ontario and Castries. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Region of Ontario to Castries one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 169. However, be on the lookout for offers from WestJet and Air Canada, as they are both options that can get you from Region of Ontario to Castries for a low price.

  • What are the most popular routes from Region of Ontario to Castries?

    The most popular flight routes from Region of Ontario to Castries are Toronto Pearson Intl - Castries Hewanorra, Montreal Pierre Elliott Trudeau Intl - Castries Hewanorra and Ottawa - Castries Hewanorra.

  • What are the most reliable airlines from Region of Ontario to Castries?

    Before booking your flight to Castries from Region of Ontario, check out the most reliable airlines to get you to your destination on time: Air Canada (67%), Air Canada Rouge (67%), WestJet( 65%).

  • What are the cheapest flights from Region of Ontario to Castries?

    Looking at all options, your cheapest flight can be booked for C$ 185. While the most popular route (Toronto Pearson Intl - Castries Hewanorra) can be booked for C$ 602 on average, our data indicates C$ 497 when flying from Region of Ontario to Castries.

  • Can I find deals for flights from Ontario to Castries that include hotel bookings?

    Yes. In addition to deals on Ontario to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Castries.

  • Can I find deals for business class flights from Ontario to Castries?

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to Castries?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Castries (average of C$ 175). Flying from Region of Ontario to Castries in December is currently the most expensive (average of C$ 335). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Ontario to Castries

Discover the top 5 airlines that operate flights from Ontario 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 192AverageC$ 456FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 216AverageC$ 542FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 439AverageC$ 703FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 450AverageC$ 868FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJet EncoreCheapestC$ 829AverageC$ 1,113FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Castries?

Cheapflights helps you search for flights from Ontario to Castries via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Castries?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Castries from Ontario.

Can Cheapflights find flights from Ontario to Castries with no change fees?

Yes, we can. To see specific flights from Ontario to Castries with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Castries become cheaper?

Yes! Start tracking prices for Ontario to Castries flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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