Cheapest airlines flights from Toronto to Castries

You can choose from 1 airlines that fly from Toronto to Castries, including Air Canada, WestJet has lowest fares on this route.
Air Canada logo Air Canada
Airlines are determined based on actual purchased flight tickets from Toronto to Castries according to previous 12 months data from Trip.com.

Search for direct flights from Toronto to Castries in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$123, and round-trip direct flights start at US$313.

Displayed flight fares from Toronto to Castries are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Toronto to Castries Flight Details

The distance between Toronto and Castries is about 3,730.85 km. The average flying time from Toronto to Castries is around 5 hours 25 minutes. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is November.

Cheapest one-way flight priceUS$123
Cheapest return ticket priceUS$313
Cheapest monthNovember
Peak season for travelJanuary
Flight distance3,730.85 km
Average flight time5 hours 25 minutes
Popular airlineAir Canada
Flight statistics for the Toronto–Castries route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Toronto to Castries (YTO-SLU)?

    Based on Trip.com data, WestJet offers one-way fares as low as US$123 on Cheapest nonstop routes (e.g. YYZ to UVF on Sat, Aug 1), while WestJet offers Cheapest nonstop round-trips from US$313 departing on Thu, Jun 25 and returning on Thu, Jul 2.
  • At the moment, you can catch a nonstop flight from Toronto to Castries with the following airlines, including: Air Canada Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 5 hours 25 minutes to fly from Toronto to Castries.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Toronto to Castries is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 4 flight per week flying from Toronto to Castries. You can check the weekly schedule for popular airlines on this route below: Air Canada: -/M/-/-/T/-/- -- AC1340 (09:07)
  • To find best deals on flights from Toronto to Castries, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Aug 1, with one-way flights priced at just US$123.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is WestJet.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Castries travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Toronto to Castries is November, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Toronto to Castries on June 11, 2026 with WestJet, with prices starting at US$269.
  • You can land at any one of the following hubs in Castries, with Toronto Pearson International Airport to Hewanorra International Airport (YYZ-UVF) is by far the most common option on this route: George F. L. Charles Airport (SLU) Hewanorra International Airport (UVF).
  • The time difference between Castries and Toronto is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Toronto to Castries

Which airline offers the cheapest direct flights from Toronto to Castries?

Data is based on the average price of all nonstop flights from Toronto to Castries on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Air Canada provides the lowest-priced direct flights from Toronto to Castries, with fares starting at US$321.

US$228
US$321
US$415
US$509
US$602
Air Canada
US$321
Air Canada
WestJet
US$330
WestJet
Caribbean Airlines
US$602
Caribbean Airlines

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.