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CA $486 Cheap Flights from Ottawa (YOW) to Castries (SLU)

View CA $486 flight on Thu, Oct 22, 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to George F. L. Charles Airport (SLU)

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Cheap flights from Ottawa (YOW) to Castries (SLU)

Prices were available within the past 7 days and start at CA $486 for one-way flights and CA $797 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Sep 26 - Mon, Oct 12
YOW
Ottawa
SLU
Castries
CA $797 Roundtrip, found 5 days ago
CA $797
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Sep 26 from Ottawa to Castries, returning Mon, Oct 12, priced at CA $797 found 5 days ago

Alternative airports near Castries

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hewanorra Intl. UVF. Cheapest option available. Average driving time to city centre is 53 minutes. Flights from CA $689
UVF
Hewanorra Intl.
Cheapest
Average driving time to city centre53 min
Flights from CA $689

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) cost?
You can find cheap one-way flights from CA $486 and cheap return flights from CA $797 YOW to SLU with Expedia. One-way flights typically cost between CA$282 and CA$1626, and return flights often range between CA$862 and CA$3116. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to SLU ticket fares go up or down.
What is the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
The cheapest months to fly from YOW to SLU are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
Enter YOW to SLU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
WestJet is one of the cheapest airlines offering connecting return flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles), with prices starting from around CA$632 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
There are approximately 7 connecting flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles). A common connection point includes Pearson Intl. (YYZ).
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
The earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) typically departs around 5:00 AM. This flight is operated by Air Canada. This is a seasonal service, active in February, March, April, November, and December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
You'll typically find the most flights from Ottawa Macdonald-Cartier International Airport (YOW) to Castries George F. L. Charles (SLU) on a Thursday, with around 7 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Air Canada, United, and WestJet. Flight schedules are fairly consistent throughout the week, so you'll have several flight options regardless of the day you choose to fly.
What are the most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
The most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) are in the early morning, from 6am to 9am. Many major carriers, including Air Canada and United, offer flights during this window. Many travellers prefer these times because it allows for an early start to their journey, often leading to an earlier arrival at their destination.
How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
There are no nonstop flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles). Flights with two or more stops typically take around 12 hours to cover the approximately 3,745-kilometre distance. Keep in mind that actual travel times can vary depending on your specific routing, layover durations, and factors like wind patterns.
Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
You can fly business class between YOW and SLU. Air Canada offers business class service on this route.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Castries (SLU) from Ottawa, ON (YOW)?
If you're planning to travel to Castries from Macdonald-Cartier Intl. (YOW), you can fly directly into George F. L. Charles (SLU). Some flights may connect through major hubs like Pearson Intl. (YYZ), Pierre Elliott Trudeau Intl. (YUL), or Logan Intl. (BOS) before reaching Castries. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles)?
If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Castries (SLU-George F. L. Charles) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
George F. L. Charles
Roundtrip price
CA $796
Distance
3722 km

Book with confidence

Ottawa to Castries Flights

The easy way to book your flights from Ottawa to Castries 

With Expedia, it’s simple to find and book flights to Castries from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to George F. L. Charles, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Castries today, tomorrow, or this week.  

 

Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to George F. L. Charles, SLU 

Sort your search results by price to find great deals on your flight from Ottawa to Castries—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Castries from Ottawa currently is just CA $797 rising to CA $797.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Castries  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Castries from Ottawa 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Castries with Expedia today.

Ottawa to Castries Flights

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