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Cheap flights from Ottawa to Castries from C$ 1,262

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Castries departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Ottawa to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 a.m. - 7:00 p.m.
YOW
-
SLU
33h 00m
2 stops
Multiple Airlines Logo
5:50 p.m. - 12:20 a.m.
SLU
-
YOW
30h 30m
2 stops
C$ 1,262Multiple Airlines
Sun, 3 May - Sat, 9 May
Multiple Airlines Logo
2:20 p.m. - 7:00 p.m.
YOW
-
SLU
28h 40m
3 stops
Multiple Airlines Logo
5:50 p.m. - 5:35 p.m.
SLU
-
YOW
23h 45m
2 stops
C$ 1,458Multiple Airlines
Sun, 3 May - Sat, 9 May
Multiple Airlines Logo
2:20 p.m. - 7:00 p.m.
YOW
-
SLU
28h 40m
3 stops
Multiple Airlines Logo
3:45 p.m. - 11:05 a.m.
SLU
-
YOW
19h 20m
3 stops
C$ 1,954Multiple Airlines
Sun, 3 May - Sat, 9 May
Multiple Airlines Logo
6:55 a.m. - 3:35 p.m.
YOW
-
SLU
32h 40m
3 stops
Multiple Airlines Logo
3:45 p.m. - 12:20 a.m.
SLU
-
YOW
32h 35m
2 stops
C$ 2,692Multiple Airlines
Mon, 17 Aug - Wed, 26 Aug
Multiple Airlines Logo
6:55 a.m. - 3:35 p.m.
YOW
-
SLU
32h 40m
2 stops
Multiple Airlines Logo
9:10 a.m. - 12:20 a.m.
SLU
-
YOW
15h 10m
2 stops
C$ 3,042Multiple Airlines
Sun, 24 May - Sun, 31 May

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 21 April 2026.
Use the filters below to find and compare flights from Ottawa to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaCastries

YOW - SLU

YOWSLU

Ottawa

Sun 3/5

10:00 a.m.-7:00 p.m.

2 stops33h 00m

Castries George F. L. Charle

Sat 9/5

5:50 p.m.-12:20 a.m.

2 stops30h 30m

C$ 1,262

OttawaCastries

YOW - SLU

YOWSLU

Ottawa

Sun 3/5

2:20 p.m.-7:00 p.m.

3 stops28h 40m

Castries George F. L. Charle

Sat 9/5

5:50 p.m.-5:35 p.m.

2 stops23h 45m

C$ 1,458

OttawaCastries

YOW - SLU

YOWSLU

Ottawa

Sun 3/5

2:20 p.m.-7:00 p.m.

3 stops28h 40m

Castries George F. L. Charle

Sat 9/5

3:45 p.m.-11:05 a.m.

3 stops19h 20m

C$ 1,954

OttawaCastries

YOW - SLU

YOWSLU

Ottawa

Mon 17/8

6:55 a.m.-3:35 p.m.

3 stops32h 40m

Castries George F. L. Charle

Wed 26/8

3:45 p.m.-12:20 a.m.

2 stops32h 35m

C$ 2,692
Quickest round-trip

OttawaCastries

YOW - SLU

YOWSLU

Ottawa

Sun 24/5

6:55 a.m.-3:35 p.m.

2 stops32h 40m

Castries George F. L. Charle

Sun 31/5

9:10 a.m.-12:20 a.m.

2 stops15h 10m

C$ 3,042
Cheapest one-way
Quickest one-way

OttawaCastries

YOW - SLU

YOWSLU

Ottawa

Sun 26/4

6:55 a.m.-3:35 p.m.

2 stops32h 40m

C$ 2,264

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Ottawa to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Castries (YOW to SLU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Castries

Fastest flight time

32h 40m

Direct flights

None
The fastest flight from Ottawa to Castries takes 32h 40m
There are no direct flights from Ottawa to Castries. There are no popular flight routes from Ottawa to Castries.
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Frequently asked questions about flying from Ottawa to Castries

  • How far is Ottawa to Castries George F. L. Charle by plane?

    Castries George F. L. Charle is 3753.4 km away from Ottawa. 32h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Ottawa Airport to Castries George F. L. Charle Airport?

    Prices for flights from Ottawa Airport to Castries George F. L. Charle Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ottawa Airport to Castries George F. L. Charle Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Castries George F. L. Charle Airport.

  • What documentation or ID do you need to fly to Castries George F. L. Charle Airport?

    The travel and health documents you'll need for your trip to Castries George F. L. Charle Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Castries George F. L. Charle Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Ottawa to Castries

  • How do I get Price Alerts for flights from Ottawa to Castries?

    Confirm your travel details to search for the latest offers for flights from Ottawa to Castries. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Ottawa to Castries with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Rodney Bay

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Castries?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Castries . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ottawa to Castries with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ottawa to Castries flights to just show those with flexible booking policies.

How can momondo help me find flights from Ottawa to Castries?

momondo provides multiple filters to help you find the best flight to Castries from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ottawa to Castries right now. Can momondo alert me if prices change?

Price alerts on flights to Castries from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries Hewanorra Airport