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Saint Lucia

$287+ Cheap flights from Ontario (ONT) to Saint Lucia

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — UVF
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Ontario to Saint Lucia

Keep the following information in mind while searching for Ontario to Saint Lucia flight deals. Data was last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$632
(American Airlines)

Popular in

April

Cheapest in

October

Average price

$509
Provider with most accurate pricing for Los Angeles-Castries George F. L. Charle flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Castries George F. L. Charle flights.
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From Ontario to Saint Lucia
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Highest demand for flights based on searches. 6% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Saint Lucia

Cheapest flights from Ontario to Saint Lucia
Explore the most affordable flight options available from Ontario to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:27 pmONT - UVF
2 stops16h 33mAmerican Airlines
Wed 11/54:52 pmUVF - ONT
2 stops21h 03mAmerican Airlines
Deal found 10/1$692
This Priceline deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:56 pmONT - UVF
1 stop12h 19mJetBlue
Thu 10/93:34 pmUVF - ONT
1 stop32h 55mJetBlue
Deal found 10/1$2,037

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Saint Lucia 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 2,558,603 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Ontario to Saint Lucia that are best for you.

Fly from

Ontario

Fly to

Saint Lucia

Route

Depart

Return

Price

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Tue 3/31

1:32 pm-1:35 pm

2 stops21h 03m

Castries Hewanorra

Thu 4/2

3:50 pm-1:40 pm

2 stops24h 50m

$632

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Thu 10/23

10:29 pm-1:05 pm

1 stop11h 36m

Castries Hewanorra

Wed 11/5

4:52 pm-9:55 am

2 stops21h 03m

$692

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Tue 3/31

10:30 pm-2:04 pm

1 stop12h 34m

Castries Hewanorra

Thu 4/2

3:24 pm-11:38 am

1 stop23h 14m

$1,718

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Fri 11/7

6:00 am-4:25 pm

2 stops30h 25m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Best time to book a flight from Ontario to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Ontario 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 Ontario to Saint Lucia

What is the cheapest month to book a flight from Ontario to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from Ontario to Saint Lucia (average of $556). Flying from Ontario to Saint Lucia in December is currently the most expensive (average of $730). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Saint Lucia?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Saint Lucia.

  • How long is the flight from Ontario to Saint Lucia?

    A quick flight from Ontario to Saint Lucia can take about 21h 03m. American Airlines provides one of the quickest options available for as low as $632. The distance from Ontario to Saint Lucia is about 3788 mi.

  • Can I find deals for flights from Ontario to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Ontario to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Saint Lucia?

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

  • Can I find deals for business class flights from Ontario to Saint Lucia?

    Yes. Cheapflights offers flight deals from Ontario to Saint Lucia 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 Ontario to Saint Lucia?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Saint Lucia (average of $556). Flying from Ontario to Saint Lucia in December is currently the most expensive (average of $730). 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

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