Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Castries from C$ 263

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — UVF
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Castries

Enter your travel dates to find the best prices.

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 16 March 2026.

Wed 3/66:25 p.m.
YOW
-
UVF
1 stop19h 15m
WestJet
Sun 7/62:30 p.m.
UVF
-
YOW
1 stop9h 50m
WestJet
Deal found 13/3C$ 447
Sat 30/56:25 p.m.
YOW
-
UVF
1 stop19h 15m
WestJet
Thu 11/62:30 p.m.
UVF
-
YOW
1 stop9h 50m
WestJet
Deal found 13/3C$ 475
Mon 1/68:05 p.m.
YOW
-
UVF
1 stop18h 05m
Air Canada
Tue 9/63:05 p.m.
UVF
-
YOW
1 stop22h 00m
Air Canada
Deal found 13/3C$ 477
Tue 2/65:05 a.m.
YOW
-
UVF
1 stop9h 05m
Air Canada
Tue 9/63:05 p.m.
UVF
-
YOW
2 stops18h 36m
Air Canada
Deal found 13/3C$ 479
Sun 31/59:30 p.m.
YOW
-
UVF
2 stops40h 40m
Air Canada
Tue 9/63:05 p.m.
UVF
-
YOW
1 stop17h 01m
Air Canada
Deal found 13/3C$ 482
Tue 2/65:05 a.m.
YOW
-
UVF
1 stop9h 05m
Air Canada
Fri 12/63:05 p.m.
UVF
-
YOW
1 stop9h 41m
Air Canada
Deal found 13/3C$ 528
Sun 31/59:30 p.m.
YOW
-
UVF
2 stops40h 40m
Air Canada
Fri 12/63:05 p.m.
UVF
-
YOW
1 stop9h 41m
Air Canada
Deal found 13/3C$ 532
Sun 31/59:30 p.m.
YOW
-
UVF
2 stops40h 40m
Multiple Airlines
Thu 11/62:30 p.m.
UVF
-
YOW
1 stop27h 05m
Multiple Airlines
Deal found 13/3C$ 535
Tue 14/45:40 a.m.
YOW
-
UVF
1 stop8h 06m
WestJet
Thu 23/42:50 p.m.
UVF
-
YOW
1 stop9h 49m
WestJet
Deal found 14/3C$ 601
Fri 10/45:00 a.m.
YOW
-
UVF
1 stop10h 20m
Air Canada
Fri 17/44:15 p.m.
UVF
-
YOW
1 stop16h 01m
Air Canada
Deal found 13/3C$ 628

Find 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 (UVF). 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 16 March 2026.

Round-trip from

C$ 447

One-way from

C$ 263

Popular in

December

Cheapest in

September

Average price

C$ 674
WestJet
  • WestJet
  • 3/6-7/6
  • 2 total stops
  • 29h 05m total
  • Ottawa to Castries
Search Deals
United Airlines
  • United Airlines
  • 25/4
  • 1 total stop
  • 9h 06m total
  • Ottawa to Castries
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 16 March 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 - UVF

YOWUVF

Ottawa

Sun 31/5

9:30 p.m.-2:10 p.m.

2 stops40h 40m

Castries Hewanorra

Fri 12/6

3:05 p.m.-12:46 a.m.

1 stop9h 41m

C$ 532
Quickest round-trip

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Fri 10/4

5:00 a.m.-3:20 p.m.

1 stop10h 20m

Castries Hewanorra

Fri 17/4

4:15 p.m.-8:16 a.m.

1 stop16h 01m

C$ 628

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Thu 4/6

8:05 p.m.-2:10 p.m.

1 stop18h 05m

Castries Hewanorra

Tue 30/6

3:05 p.m.-1:35 a.m.

1 stop10h 30m

C$ 718

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Wed 6/5

6:25 p.m.-1:40 p.m.

1 stop19h 15m

Castries Hewanorra

Tue 12/5

3:15 p.m.-12:25 p.m.

2 stops21h 10m

C$ 1,056

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Fri 22/5

12:25 p.m.-1:40 p.m.

2 stops49h 15m

Castries Hewanorra

Mon 1/6

4:41 p.m.-4:53 p.m.

2 stops24h 12m

C$ 1,431

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Sat 27/6

6:25 a.m.-3:31 p.m.

1 stop9h 06m

Castries Hewanorra

Sat 4/7

12:55 p.m.-1:59 p.m.

1 stop25h 04m

C$ 1,777

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Thu 28/5

2:30 p.m.-12:30 p.m.

2 stops22h 00m

Castries Hewanorra

Mon 1/6

4:41 p.m.-4:53 p.m.

2 stops24h 12m

C$ 1,820

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Thu 28/5

6:55 a.m.-2:05 p.m.

2 stops31h 10m

Castries Hewanorra

Mon 1/6

3:25 p.m.-5:35 p.m.

2 stops26h 10m

C$ 2,051
Cheapest one-way
Quickest one-way

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Sat 25/4

6:25 a.m.-3:31 p.m.

1 stop9h 06m

C$ 263

OttawaCastries

YOW - UVF

YOWUVF

Ottawa

Tue 23/6

5:10 a.m.-2:20 p.m.

1 stop9h 10m

C$ 268

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Castries

What is the cheapest month to book a flight from Ottawa to Castries?

Currently, July is the cheapest month in which you can book a flight from Ottawa to Castries (average of C$ 300). Flying from Ottawa to Castries in May is currently the most expensive (average of C$ 632). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Castries

Get insights into the airlines that provide service to Castries. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Castries. Reviews last updated 16 March 2026.
See what other customers who have flown with WestJet and Air Canada from Ottawa to Castries have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,295 reviews
Check prices

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..
WestJet
7.2
Good
3,295 reviews
WestJet
7.2
Good
3,295 reviews
Check prices

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..
Air Canada
7.1
Good
10,805 reviews
WestJet
7.2
Good
3,295 reviews
Check prices

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..

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.

  • How long is the flight from Ottawa to Castries?

    Airlines like Air Canada fly from Ottawa to Castries in about 40h 40m. The time it takes to get you to your destination can typically vary by up to . There are 3774 km between Ottawa and Castries.

  • What are the cheapest airlines flying from Ottawa to Castries round-trip?

    Cheapflights users have booked flights from Ottawa to Castries round-trip from C$ 451. Another airline that can offer you cheap pricing is WestJet. These flights start at 39% lower than the current average price 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Ottawa to Castries?

    Currently, July is the cheapest month in which you can book a flight from Ottawa to Castries (average of C$ 300). Flying from Ottawa to Castries in May is currently the most expensive (average of C$ 632). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to Castries

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Castries flights
Pearson Intl to Castries flights
Pierre Elliott Trudeau Intl to Castries flights
Pierre Elliott Trudeau Intl to Castries flights
Ottawa to Castries flights

Top 2 airlines flying from Ottawa to Castries

Discover the top 2 airlines that operate flights from Ottawa to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 451AverageC$ 950FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 462AverageC$ 651FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Ottawa to Castries flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Castries?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Castries.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Castries, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.