Cheap Flights from Ottawa International to Castries

Compare Ottawa International to Castries flight deals

Find the cheapest month or even day of the year to fly to Castries

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Flight deals from Ottawa International to Castries

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to Castries? If you want to travel next month, return fares start from Rs139,584. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa International to Castries

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

Alternative Ottawa International to Castries routes

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

Ottawa to Castries: Flight information

The things to know before you go.
Cheapest flight foundRs64,244
Cheapest month to flyJuly

Finding cheap flights from Ottawa International 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 International to Castries is Rs131,053. 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 International to Castries. But we found flights with one or more stops from Rs130,809.
As of June 2026, there are no flights flying from Ottawa International to Castries.
The cheapest month to fly from Ottawa International to Castries is usually September.
If you're flying from Ottawa International Airport, 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 Rs131,053.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to Castries on Friday, 11 September 2026.
No airlines currently offer direct flights between Ottawa International Airport 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 June, the average temperature is usually around 28°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.
Currently, Air Canada offers the cheapest flight tickets to Castries.

Travelling from Ottawa/Macdonald-Cartier International Airport (YOW) to Castries: what you need to know

  • Castries and Ottawa (where Ottawa/Macdonald-Cartier International Airport is located) share the UTC-4 timezone. That means you won't have to change your watch when you arrive.

  • Give yourself plenty of time to make your YOW to Castries flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month such as August? Major public holidays and other high seasons can mean longer lines and delays at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • The journey from central Ottawa to YOW takes about 45 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic conditions.

  • Want a stress-free start to your holiday? Stay near YOW. Whether you're taking an early flight from Ottawa/Macdonald-Cartier International Airport to Castries or just don't like being rushed, these hotels are worth a look:

  • 58.21% of flights taking off from Ottawa/Macdonald-Cartier International Airport make it to their destination on schedule.

  • YOW's address is 50 Airport Road.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Castries

  • The lowest price we've seen for a one-way Ottawa/Macdonald-Cartier International Airport to Castries flight is Rs64,244. The cheapest price for a return flight is Rs130,809. Bear in mind fares can change due to availability at the time of booking.

  • Booking early is often the key to locking in a cheap flight from YOW to Castries. Fares tend to rise as seats fill up, so the closer your departure date, the more you'll likely spend.

  • If you have flexibility with your travel plans, take advantage of the 'Whole month' tool. It'll find the cheapest price across each month when searching for your Ottawa/Macdonald-Cartier International Airport to Castries ticket.

  • You don't need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you the moment there's an updated deal for cheap flights from YOW to Castries.

  • Snag an affordable flight from Ottawa/Macdonald-Cartier International Airport to Castries with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Castries

George F. L. Charles Airport (SLU)

  • George F. L. Charles Airport (SLU) is around 3 kilometres from central Castries. If you're getting a taxi or a ride-share, the drive will take roughly 5 minutes.

  • When travelling by public transport, expect a journey time of around 40 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Ottawa/Macdonald-Cartier International Airport to Castries. Check in to one of these accommodation options near SLU instead:

  • Get your adventure underway by picking up a George F. L. Charles Airport rental car. Grab your wheels from Drive A Matic, Final Rentals or Sixt and explore beyond Castries's usual tourist stops.

  • To lock in the lowest price, book your vehicle from George F. L. Charles Airport around one week in advance of your flight from YOW to Castries.

Hewanorra Airport (UVF)

  • Hewanorra Airport (UVF) is roughly 56 kilometres from central Castries. Once you've disembarked your flight from Ottawa/Macdonald-Cartier International Airport to Castries, it'll take you around 1 hour 10 minutes to reach the heart of the city in a ride-share or cab.

  • Hang up the 'Do not disturb' sign and unwind at a hotel close to UVF. Here are a few options where you can take a load off after your YOW to Castries flight:

  • Forget about public transport schedules or waiting in a long cab line. Pick up a Hewanorra Airport rental car and blaze your own trail. Check out the rates and availability from Drive A Matic, Sixt and Final Rentals.

  • Avoid paying extra. Booking your ride one week before your arrival at UVF will help you save.

Best time to go to Castries

  • Carefully consider your dates before securing your flight from Ottawa/Macdonald-Cartier International Airport to Castries. The city buzzes during peak season, but hotel rates are typically higher and major attractions can get crowded. Visit Castries in the off-season if you like a more relaxed vibe.

  • Before locking in your Ottawa/Macdonald-Cartier International Airport to Castries flight ticket, think about what kind of weather works for you. September is the warmest month in Castries, with temperatures ranging from 26ºC to 30ºC.

  • Search for cheap tickets from YOW 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

  • Start your Castries trip right by choosing the ideal place to stay. After booking your flight from Ottawa/Macdonald-Cartier International Airport to Castries, explore our range of accommodation options including:

  • Every great adventure has to include a little sightseeing. Morne Fortune, Derek Walcott Square and Immaculate Conception Church are must-do's during your Castries adventure.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.