Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to Castries from C$ 195

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — UVF
18 Apr — 25 Apr1
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 19 March 2026.

Wed 17/67:20 p.m.
YUL
-
UVF
1 stop18h 20m
WestJet
Sun 28/62:30 p.m.
UVF
-
YUL
1 stop10h 10m
WestJet
Deal found 15/3C$ 447
Sun 31/58:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Thu 4/62:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 17/3C$ 450
Sun 17/58:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Thu 28/52:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 17/3C$ 469
Fri 29/55:00 a.m.
YUL
-
UVF
1 stop9h 05m
Air Canada
Fri 5/63:05 p.m.
UVF
-
YUL
1 stop9h 26m
Air Canada
Deal found 14/3C$ 471
Fri 5/65:00 a.m.
YUL
-
UVF
1 stop9h 10m
Air Canada
Tue 9/63:05 p.m.
UVF
-
YUL
1 stop16h 40m
Air Canada
Deal found 15/3C$ 474
Thu 7/58:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Sun 17/52:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 16/3C$ 477
Tue 14/48:30 a.m.
YYZ
-
UVF
Nonstop5h 16m
WestJet
Tue 21/42:40 p.m.
UVF
-
YYZ
Nonstop5h 58m
WestJet
Deal found 15/3C$ 480
Thu 28/510:10 a.m.
YUL
-
UVF
1 stop27h 55m
Multiple Airlines
Thu 4/62:30 p.m.
UVF
-
YUL
1 stop9h 55m
Multiple Airlines
Deal found 15/3C$ 513
Sun 23/88:15 a.m.
YYZ
-
UVF
Nonstop5h 25m
WestJet
Sun 30/82:30 p.m.
UVF
-
YYZ
Nonstop5h 40m
WestJet
Deal found 18/3C$ 514
Thu 28/58:00 p.m.
YUL
-
UVF
2 stops18h 05m
Multiple Airlines
Thu 25/62:30 p.m.
UVF
-
YUL
1 stop9h 55m
Multiple Airlines
Deal found 14/3C$ 533
Sun 19/410:05 a.m.
YYZ
-
UVF
Nonstop5h 15m
Air Canada
Thu 23/44:15 p.m.
UVF
-
YYZ
Nonstop5h 45m
Air Canada
Deal found 15/3C$ 535
Thu 9/410:10 a.m.
YYZ
-
UVF
Nonstop5h 15m
Air Canada
Sun 12/44:05 p.m.
UVF
-
YYZ
Nonstop5h 55m
Air Canada
Deal found 14/3C$ 540

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 19 March 2026.

Round-trip from

C$ 447

One-way from

C$ 195

Popular in

December

Cheapest in

September

Average price

C$ 896
WestJet
  • WestJet
  • 17/6-28/6
  • 2 total stops
  • 28h 30m total
  • Ontario to Castries
Search Deals
Air Canada
  • Air Canada
  • 29/4
  • Nonstop
  • 5h 15m total
  • Ontario to Castries
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 266 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 93 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 19 March 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

Thu 16/4

5:00 a.m.-3:25 p.m.

1 stop10h 25m

Castries Hewanorra

Wed 29/4

4:20 p.m.-1:36 a.m.

1 stop9h 16m

C$ 695

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

7:00 a.m.-3:25 p.m.

1 stop8h 25m

Castries Hewanorra

Fri 29/5

3:15 p.m.-7:45 a.m.

1 stop16h 30m

C$ 715

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

6:45 a.m.-1:40 p.m.

1 stop30h 55m

Castries Hewanorra

Sun 28/6

2:30 p.m.-7:05 a.m.

2 stops40h 35m

C$ 891

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Fri 17/4

6:00 a.m.-3:20 p.m.

1 stop9h 20m

Castries Hewanorra

Wed 29/4

4:20 p.m.-1:36 a.m.

1 stop9h 16m

C$ 905

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

7:45 a.m.-1:09 p.m.

1 stop29h 24m

Castries Hewanorra

Fri 22/5

1:02 p.m.-9:50 a.m.

2 stops20h 48m

C$ 950

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Tue 14/4

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

1 stop8h 06m

Castries Hewanorra

Thu 23/4

2:50 p.m.-12:40 a.m.

2 stops33h 50m

C$ 1,029

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Sat 9/5

7:00 a.m.-3:31 p.m.

1 stop8h 31m

Castries Hewanorra

Sat 16/5

12:55 p.m.-11:54 p.m.

2 stops34h 59m

C$ 1,037

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Wed 6/5

6:25 p.m.-1:40 p.m.

1 stop19h 15m

Castries Hewanorra

Tue 12/5

3:15 p.m.-12:25 p.m.

2 stops21h 10m

C$ 1,055

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

3:45 p.m.-1:45 p.m.

2 stops22h 00m

Castries Hewanorra

Fri 17/4

3:28 p.m.-3:27 p.m.

2 stops23h 59m

C$ 1,069

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Sun 12/4

10:15 a.m.-3:10 p.m.

1 stop28h 55m

Castries Hewanorra

Sun 19/4

3:57 p.m.-4:59 p.m.

2 stops25h 02m

C$ 1,148

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 53 resultsSorted by cheapest first
1
2
3
...
6

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

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

Currently, June is the cheapest month in which you can book a flight from Region of Ontario to Castries (average of C$ 217). Flying from Region of Ontario to Castries in December is currently the most expensive (average of C$ 567). 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 19 March 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.

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 10h 25m. Your travel time can differ by up to 20h 30m. There are 3774 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$ 170. 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: WestJet (69%), Air Canada (24%), Air Canada Rouge( 24%).

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

    Looking at all options, your cheapest flight can be booked for C$ 179. While the most popular route (Toronto Pearson Intl - Castries Hewanorra) can be booked for C$ 561 on average, our data indicates C$ 542 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, June is the cheapest month in which you can book a flight from Region of Ontario to Castries (average of C$ 217). Flying from Region of Ontario to Castries in December is currently the most expensive (average of C$ 567). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 192AverageC$ 457FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 217AverageC$ 543FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 431AverageC$ 718FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 446AverageC$ 914FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJet EncoreCheapestC$ 738AverageC$ 1,115FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.