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Cheap flights from Ottawa to Castries from C$ 2,348

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SLU
4 Aug — 11 Aug1
1 adult

Cheap flight deals from Ottawa to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Castries (SLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 July 2025.

Round-trip from

C$ 2,312
13/1-20/1
  • 13/1-20/1
  • 4 total stops
  • 41h 23m total
  • Ottawa to Castries
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Find flight deals from Ottawa to Castries

Cheapest flights from Ottawa to Castries
Explore the most affordable flight options available from Ottawa to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Mon 11/86:25 a.m.YOW - SLU
2 stops11h 05mMultiple Airlines
Mon 18/812:35 p.m.SLU - YOW
3 stops26h 21mMultiple Airlines
Deal found 29/7C$ 2,348

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Ottawa to Castries that are best for you.

Fly from

Ottawa

Fly to

Castries

Route

Depart

Return

Price

OttawaCastries

YOW - SLU

YOWSLU

Ottawa

Mon 11/8

6:25 a.m.-5:30 p.m.

2 stops11h 05m

Castries George F. L. Charle

Mon 18/8

12:35 p.m.-2:56 p.m.

3 stops26h 21m

C$ 2,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Best time to book a flight from Ottawa to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Ottawa to Castries that include hotel bookings?

    Yes. In addition to deals on Ottawa to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Castries.

  • Can I find deals for business class flights from Ottawa to Castries?

    Yes. Cheapflights offers flight deals from Ottawa to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Travelling to a place near Castries?

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

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Alternative routes for Ottawa to Castries

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Ottawa to Castries flights

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How does Cheapflights help users find flights from Ottawa to Castries?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to Castries. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Can Cheapflights find flights from Ottawa to Castries with no change fees?

Certainly. Search results for flights to Castries from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to Castries become cheaper?

Not ready to book yet? You can track prices for flights from Ottawa to Castries on Cheapflights with our Price Alert feature and get notified when better prices are available.

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