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Saint Lucia

$576+ Cheap flights from Ontario (ONT) to Saint Lucia

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — UVF
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$576
(Priceline)

Popular in

April

Cheapest in

November
From Ontario to Saint Lucia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
Search Deals

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 August 14, 2025.

This Priceline deal was found by Cheapflights users on 8/13. 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.
Mon 9/810:56 pmONT - UVF
1 stop12h 19mJetBlue
Fri 9/123:20 pmUVF - ONT
1 stop33h 09mJetBlue
Deal found 8/13$576
This Priceline deal was found by Cheapflights users on 8/13. 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.
Sat 9/1310:56 pmONT - UVF
1 stop12h 19mJetBlue
Wed 9/173:20 pmUVF - ONT
1 stop33h 09mJetBlue
Deal found 8/13$585
This Priceline deal was found by Cheapflights users on 8/13. 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.
Sat 9/2710:56 pmONT - UVF
1 stop12h 19mJetBlue
Wed 10/13:20 pmUVF - ONT
1 stop33h 09mJetBlue
Deal found 8/13$599
This Priceline deal was found by Cheapflights users on 8/13. 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.
Sat 9/610:56 pmONT - UVF
1 stop12h 19mJetBlue
Wed 9/103:20 pmUVF - ONT
1 stop33h 09mJetBlue
Deal found 8/13$620
This Priceline deal was found by Cheapflights users on 8/14. 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.
Tue 9/1610:56 pmONT - UVF
1 stop12h 19mJetBlue
Fri 9/263:20 pmUVF - ONT
1 stop33h 09mJetBlue
Deal found 8/14$623
This Priceline deal was found by Cheapflights users on 8/13. 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.
Sun 9/710:56 pmONT - UVF
1 stop12h 19mJetBlue
Thu 9/113:20 pmUVF - ONT
1 stop33h 09mJetBlue
Deal found 8/13$629
This JetBlue deal was found by Cheapflights users on 8/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:56 pmONT - UVF
1 stop12h 19mJetBlue
Tue 9/233:20 pmUVF - ONT
1 stop33h 09mJetBlue
Deal found 8/13$644
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/810:35 pmONT - UVF
2 stops12h 42mAmerican Airlines
Tue 9/233:17 pmUVF - ONT
2 stops21h 47mAmerican Airlines
Deal found 8/13$654
This Priceline deal was found by Cheapflights users on 8/13. 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.
Sat 10/410:56 pmONT - UVF
1 stop12h 14mJetBlue
Wed 10/83:05 pmUVF - ONT
1 stop33h 24mJetBlue
Deal found 8/13$671
This Priceline deal was found by Cheapflights users on 8/13. 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.
Sun 10/510:56 pmONT - UVF
1 stop11h 49mJetBlue
Thu 10/93:05 pmUVF - ONT
1 stop33h 24mJetBlue
Deal found 8/13$680

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 August 14, 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

Mon 9/8

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Fri 9/12

3:20 pm-9:29 pm

1 stop33h 09m

$576

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Mon 9/15

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Fri 9/19

3:20 pm-9:29 pm

1 stop33h 09m

$576

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Mon 9/29

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Fri 10/3

3:20 pm-9:29 pm

1 stop33h 09m

$576

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sat 9/13

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Wed 9/17

3:20 pm-9:29 pm

1 stop33h 09m

$585

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sun 9/14

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Thu 9/18

3:20 pm-9:29 pm

1 stop33h 09m

$585

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sat 9/27

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Wed 10/1

3:20 pm-9:29 pm

1 stop33h 09m

$599

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sat 9/6

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Wed 9/10

3:20 pm-9:29 pm

1 stop33h 09m

$620

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Tue 9/16

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Fri 9/26

3:20 pm-9:29 pm

1 stop33h 09m

$623

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sun 9/21

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Thu 9/25

3:20 pm-9:29 pm

1 stop33h 09m

$629

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sun 9/7

10:56 pm-2:15 pm

1 stop12h 19m

Castries Hewanorra

Thu 9/11

3:20 pm-9:29 pm

1 stop33h 09m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 11 results
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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.

  • 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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Alternative routes for Ontario to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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