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Cheap flights from Ontario to Castries from C$ 200

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — UVF
4 Aug — 11 Aug1
1 adult

Cheap 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 July 2025.

Round-trip from

C$ 435

One-way from

C$ 200

Popular in

December

Cheapest in

September

Average price

C$ 985
United Airlines
  • United Airlines
  • 5/9-13/9
  • 4 total stops
  • 52h 21m total
  • Ontario to Castries
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United Airlines
  • United Airlines
  • 13/9
  • 1 total stop
  • 7h 31m total
  • Ontario to Castries
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Ontario to Castries

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 July 2025.

Fri 8/89:45 a.m.YUL - UVF
1 stop29h 45mUnited Airlines
Sat 16/812:55 p.m.UVF - YUL
1 stop28h 31mUnited Airlines
Deal found 29/7C$ 435
Fri 12/98:55 a.m.YYZ - UVF
Nonstop5h 20mAir Canada
Tue 16/93:10 p.m.UVF - YYZ
Nonstop5h 40mAir Canada
Deal found 29/7C$ 450
Sat 9/86:33 a.m.YOW - UVF
1 stop8h 57mUnited Airlines
Sat 16/812:55 p.m.UVF - YOW
1 stop32h 40mUnited Airlines
Deal found 28/7C$ 465
Thu 11/95:17 p.m.YYZ - UVF
2 stops21h 00mAmerican Airlines
Thu 18/93:17 p.m.UVF - YYZ
1 stop8h 41mAmerican Airlines
Deal found 28/7C$ 497
Sun 17/88:25 a.m.YYZ - UVF
Nonstop5h 20mWestJet
Thu 28/82:35 p.m.UVF - YYZ
Nonstop5h 42mWestJet
Deal found 28/7C$ 502
Fri 12/95:15 a.m.YOW - UVF
1 stop9h 00mAir Canada
Fri 19/93:10 p.m.UVF - YOW
1 stop9h 09mAir Canada
Deal found 29/7C$ 503
Sun 7/98:15 a.m.YUL - UVF
2 stops54h 00mAir Canada
Fri 12/93:10 p.m.UVF - YUL
2 stops15h 37mAir Canada
Deal found 29/7C$ 513
Tue 12/810:34 a.m.YUL - UVF
2 stops27h 11mAmerican Airlines
Tue 19/82:58 p.m.UVF - YUL
1 stop22h 46mAmerican Airlines
Deal found 27/7C$ 528
Fri 24/108:55 a.m.YYZ - UVF
Nonstop5h 20mMultiple Airlines
Tue 28/102:40 p.m.UVF - YYZ
Nonstop5h 55mMultiple Airlines
Deal found 28/7C$ 633
Fri 24/106:00 a.m.YUL - UVF
1 stop8h 15mMultiple Airlines
Sun 2/113:40 p.m.UVF - YUL
1 stop9h 53mMultiple Airlines
Deal found 29/7C$ 651
Fri 5/129:00 p.m.YYZ - UVF
1 stop18h 25mUnited Airlines
Sat 13/121:52 p.m.UVF - YYZ
1 stop30h 53mUnited Airlines
Deal found 27/7C$ 669
Sun 31/85:55 a.m.YOW - UVF
1 stop7h 50mWestJet
Sun 7/92:35 p.m.UVF - YOW
1 stop9h 47mWestJet
Deal found 30/7C$ 672

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 July 2025.
Use the filters below to find and compare flights from Ontario to Castries that are best for you.

Fly from

Ontario

Fly to

Castries

Route

Depart

Return

Price

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

2:20 p.m.-1:31 p.m.

2 stops23h 11m

Castries Hewanorra

Sat 13/9

2:35 p.m.-7:45 p.m.

2 stops29h 10m

C$ 435

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Fri 12/9

8:55 a.m.-2:15 p.m.

Nonstop5h 20m

Castries Hewanorra

Tue 16/9

3:10 p.m.-8:50 p.m.

Nonstop5h 40m

C$ 450

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Sat 9/8

6:33 a.m.-3:30 p.m.

1 stop8h 57m

Castries Hewanorra

Sat 16/8

12:55 p.m.-9:35 p.m.

1 stop32h 40m

C$ 465

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Thu 11/9

5:17 p.m.-2:17 p.m.

2 stops21h 00m

Castries Hewanorra

Thu 18/9

3:17 p.m.-11:58 p.m.

1 stop8h 41m

C$ 497

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Sun 17/8

8:25 a.m.-1:45 p.m.

Nonstop5h 20m

Castries Hewanorra

Thu 28/8

2:35 p.m.-8:17 p.m.

Nonstop5h 42m

C$ 502

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Fri 12/9

5:15 a.m.-2:15 p.m.

1 stop9h 00m

Castries Hewanorra

Fri 19/9

3:10 p.m.-12:19 a.m.

1 stop9h 09m

C$ 503

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

8:15 a.m.-2:15 p.m.

2 stops54h 00m

Castries Hewanorra

Fri 12/9

3:10 p.m.-6:47 a.m.

2 stops15h 37m

C$ 513

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Tue 12/8

10:34 a.m.-1:45 p.m.

2 stops27h 11m

Castries Hewanorra

Tue 19/8

2:58 p.m.-1:44 p.m.

1 stop22h 46m

C$ 528

TorontoCastries

YYZ - UVF

YYZUVF

Toronto Pearson Intl

Fri 24/10

8:55 a.m.-2:15 p.m.

Nonstop5h 20m

Castries Hewanorra

Tue 28/10

2:40 p.m.-8:35 p.m.

Nonstop5h 55m

C$ 633

MontrealCastries

YUL - UVF

YULUVF

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

6:00 a.m.-2:15 p.m.

1 stop8h 15m

Castries Hewanorra

Sun 2/11

3:40 p.m.-12:33 a.m.

1 stop9h 53m

C$ 651

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 29 results
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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

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 July 2025.

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?

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 30 July 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Ontario to Castries by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
WestJet
7.2
Good
2,975 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air Canada
7.1
Good
9,837 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

  • 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$ 200. However, be on the lookout for offers from American Airlines 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 (94%), Air Canada Rouge (94%), WestJet( 75%).

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

    Looking at all options, your cheapest flight can be booked for C$ 219. While the most popular route (Toronto Pearson Intl - Castries Hewanorra) can be booked for C$ 458 on average our data indicates C$ 677 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.

See more FAQs

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Top 7 airlines flying from Ontario to Castries

Discover the top 7 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 193AverageC$ 581FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 226AverageC$ 615FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 268AverageC$ 976FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 379AverageC$ 716FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 493AverageC$ 841FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJet EncoreCheapestC$ 743AverageC$ 1,123FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
Caribbean AirlinesCheapestC$ 993AverageC$ 1,393FlexibilityNo cancel feeOn-timeN/A
Search Caribbean Airlines flights

Fly with Cheapflights

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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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