C$405 Cheap Flights from Ottawa (YOWA) to Castries (SLUA)

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Flight deals from Ottawa to Castries

Looking for a cheap last-minute deal or the best return flight from Ottawa to Castries? If you want to travel next month, return fares start from C$896. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to Castries flights are currently cheapest in May.

Alternative Ottawa to Castries routes

Looking for the cheapest, fastest or easiest route from Ottawa to Castries? You could fly into the following airports instead.

Ottawa to Castries: Flight information

The things to know before you go.
Cheapest flight foundC$405
Cheapest month to flyMay

Finding cheap flights from Ottawa to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a return flight from Ottawa to Castries is C$451. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa to Castries. But we found flights with one or more stops from C$451.
As of April 2026, there are no flights flying from Ottawa to Castries.
The cheapest month to fly from Ottawa to Castries is usually June.
If you're flying from Ottawa, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the centre of Castries. We've found flights into this airport from C$451.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Castries on Wednesday, June 17, 2026.
No airlines currently offer direct flights between Ottawa and Castries. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 27°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.
The cheapest airline that flies to Castries is WestJet .

Flying from Ottawa to Castries: what you need to know

  • Planning your getaway starts with figuring out where you'll leave from in Ottawa. Ottawa/Macdonald-Cartier International Airport (YOW) is the city's main base, so check out your options for reserving a flight from Ottawa to Castries departing from here.

  • When working out where to land in Castries, Hewanorra Airport (UVF) and George F. L. Charles Airport (SLU) are the primary hubs.

  • To ensure you get on your flight from Ottawa to Castries, allow plenty of time to check in and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • During popular months such as August, it's best to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during a peak period in general.

  • If you have a passport from Canada and are travelling to Saint Lucia for tourism purposes, you won't need a visa. However, visa and entry requirements may vary based on the length and purpose of your stay and can be subject to change. For the most up-to-date information, check with your destination's nearest embassy or consulate before reserving a cheap flight from Ottawa to Castries.

Flying from Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Located around 13 kilometres from the centre of Ottawa, YOW can be reached in approximately 19 minutes by car (depending on traffic). The same journey on public transport is roughly 43 minutes.

  • Have an early flight from Ottawa to Castries? Avoid the hassle of rushing to the terminal (and catch some extra z's) by picking one of these hotels close to Ottawa/Macdonald-Cartier International Airport:

Arriving in Castries

Hewanorra Airport (UVF)

  • Hewanorra Airport (UVF) to central Castries is roughly 56 kilometres. It takes about 1 hour and 9 minutes to reach the centre driving.

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Ottawa to Castries. Stay at one of these accommodation options near UVF instead:

George F. L. Charles Airport (SLU)

  • After your flight from Ottawa to Castries has landed, you can reach the city centre in around 6 minutes by car. Central Castries is roughly 3 kilometres from George F. L. Charles Airport (SLU).

  • You can expect the trip to take approximately 40 minutes on public transport.

  • Place the 'Do not disturb' sign on your door and rest at a hotel close to SLU. Here are a few options where you can kick back after your flight from Ottawa to Castries:

How to find the cheapest flights from Ottawa to Castries

  • Currently, C$405 is the lowest price we've found for a one-way ticket from Ottawa to Castries. The cheapest price for a return flight is C$451. Keep in mind fares may change due to demand at the time of booking.

  • Don't wait until the last moment. You're more likely to get cheap flights from Ottawa to Castries if you book ahead. Airlines often have some fantastic early bird deals.

  • If you're flexible with your trip dates, try using the 'Whole month' tool. It'll show you the cheapest price across the month when searching for a ticket from Ottawa to Castries.

  • Getting a cheap ticket from Ottawa to Castries couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when the price has dropped.

  • Tailor your flights using filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Ottawa to Castries.

Best time to go to Castries

  • July is the busiest month for flights from Ottawa to Castries. To travel when it's less crowded, go to Castries in May.

  • Schedule your flight from Ottawa to Castries for September if you want to experience the city during its warmest month. Expect temperatures in Castries to range from 26ºC to 30ºC.

  • Search for cheap flights from Ottawa to Castries in February if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 24ºC and 28ºC on average.

More about Castries

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Castries right here. Check out these options as soon as you've locked in your flight from Ottawa to Castries:

  • Derek Walcott Square and Morne Fortune are just two of the major attractions to add to your Castries to-do list. Keep the momentum going by heading to Immaculate Conception Church.

Complete your Castries trip with a car rental

  • Finding you a cheap flight from Ottawa to Castries isn't our only cool trick. Check out our car rentals in Castries and explore the city on your own terms. We find deals from trusted car rental providers and put them all in one place. You can instantly compare rates and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.