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Find cheap one-way flights from Ontario to Castries starting at US$266.
Whether you’re going for a one-way or round-trip to Castries, we’ve got you covered! Check out these different flight options from Ontario below.
- One way
- Round-trip
- ONT22:3812h 54m1 stopUVF14:32Mon, Jul 22|Ontario - Castries|American AirlinesUS$266US$47944% OFF44% OFFUS$479US$266
- ONT23:5919h 21m1 stopUVF22:20Sat, Jul 13|Ontario - Castries|Jetblue AirwaysUS$325US$47932% OFF32% OFFUS$479US$325
- ONT23:5919h 21m1 stopUVF22:20Mon, Jul 15|Ontario - Castries|Jetblue AirwaysUS$325US$47932% OFF32% OFFUS$479US$325
- ONT23:5919h 21m1 stopUVF22:20Tue, Jul 16|Ontario - Castries|Jetblue AirwaysUS$340US$340
- ONT23:5919h 21m1 stopUVF22:20Sun, Jul 14|Ontario - Castries|Jetblue AirwaysUS$368US$368
- ONT22:3013h 4m1 stopUVF14:34Tue, Aug 20|Ontario - Castries|American AirlinesUS$375US$375
- ONT22:3013h 4m1 stopUVF14:34Sun, Aug 18|Ontario - Castries|American AirlinesUS$376US$376
- ONT22:3612h 56m1 stopUVF14:32Sun, Jul 14|Ontario - Castries|American AirlinesUS$378US$378
- ONT22:3812h 54m1 stopUVF14:32Mon, Jul 15|Ontario - Castries|American AirlinesUS$378US$378
- ONT22:3612h 56m1 stopUVF14:32Tue, Jul 16|Ontario - Castries|American AirlinesUS$378US$378
- ONT13:003h 5mDirectSLU14:00Thu, Jul 11|Ontario - Castries|American AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
When is the cheapest time to book flights from Ontario to Castries?
Explore the best time to buy affordable tickets to Castries with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.
![](https://ak-d.tripcdn.com/images/0wj27120009rdg5nwB73D.png?proc=resize/m_w,w_600,h_600,B0B3)
We have a range of prices from different airlines providing flights from Ontario to Castries. Check below for the journey which best suits your travel needs.
![American Airlines](https://pic.tripcdn.com/airline_logo/3x/aa.png?proc=resize/m_w,w_600,h_600,B0B3)
![Frontier Airlines](https://pic.tripcdn.com/airline_logo/3x/f9.png?proc=resize/m_w,w_600,h_600,B0B3)
![United Airlines](https://pic.tripcdn.com/airline_logo/3x/ua.png?proc=resize/m_w,w_600,h_600,B0B3)
![Jetblue Airways](https://pic.tripcdn.com/airline_logo/3x/b6.png?proc=resize/m_w,w_600,h_600,B0B3)
![Air Canada](https://pic.tripcdn.com/airline_logo/3x/ac.png?proc=resize/m_w,w_600,h_600,B0B3)
![Delta Air Lines](https://pic.tripcdn.com/airline_logo/3x/dl.png?proc=resize/m_w,w_600,h_600,B0B3)
![airlines](https://pic.tripcdn.com/airline_logo/3x/mu.png_.webp?proc=resize/m_w,w_600,h_600,B0B3)
Find more flights and airlines
Find cheap flights from Ontario to Castries by different airports
Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Castries from Ontario which could help you save money and time.
- CheapestONT14:4720h 45m2 transferUVF14:32Ontario International Airport - Hewanorra AirportTue, Jul 30American AirlinesUS$263
- ONT14:4720h 45m2 transferUVF14:32Ontario International Airport - Hewanorra AirportTue, Jul 30American AirlinesUS$263Find More Flights
Frequently Asked Questions
How to find a cheap flight from Ontario to Castries
Ontario to Castries Flight Information
Cheapest nonstop flight price | $266 |
---|---|
Off-season for travel | January |
Peak season for travel | November |
Flight distance | 6,887.57km |
Popular airline | American Airlines |
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