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Cheap flights from Ontario to Saint Lucia from $781

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Saint Lucia departing on 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:05 am - 4:25 pm
ONT
-
UVF
31h 20m2 stops
Air Canada Logo
5:15 pm - 8:58 pm
UVF
-
ONT
31h 43m2 stops
$1,063Air Canada
Sun, Jan 25 - Wed, Jan 28
Air Canada Logo
5:05 am - 4:25 pm
ONT
-
UVF
31h 20m2 stops
Air Canada Logo
5:15 pm - 8:58 pm
UVF
-
ONT
31h 43m2 stops
$1,070Air Canada
Sun, Jan 25 - Wed, Jan 28
Air Canada Logo
5:05 am - 4:25 pm
ONT
-
UVF
31h 20m2 stops
Air Canada Logo
5:15 pm - 8:58 pm
UVF
-
ONT
31h 43m2 stops
$1,080Air Canada
Sun, Jan 25 - Wed, Jan 28
American Airlines Logo
11:04 pm - 1:45 pm
ONT
-
UVF
35h 41m2 stops
American Airlines Logo
3:30 pm - 7:48 pm
UVF
-
ONT
31h 18m2 stops
$1,118American Airlines
Wed, May 20 - Mon, May 25
Delta Logo
10:20 pm - 3:05 pm
ONT
-
UVF
12h 45m1 stop
Delta Logo
4:25 pm - 1:54 pm
UVF
-
ONT
25h 29m2 stops
$1,133Delta
Wed, Feb 18 - Thu, Feb 26
Delta Logo
10:30 pm - 2:04 pm
ONT
-
UVF
12h 34m1 stop
Delta Logo
3:24 pm - 9:04 pm
UVF
-
ONT
32h 40m1 stop
$1,219Delta
Thu, Mar 26 - Wed, Apr 1
Delta Logo
10:30 pm - 2:04 pm
ONT
-
UVF
12h 34m1 stop
Delta Logo
3:24 pm - 11:35 am
UVF
-
ONT
23h 11m1 stop
$1,276Delta
Thu, Mar 26 - Tue, Apr 7
Delta Logo
10:30 pm - 2:04 pm
ONT
-
UVF
12h 34m1 stop
Delta Logo
3:24 pm - 11:35 am
UVF
-
ONT
23h 11m1 stop
$1,327Delta
Thu, Mar 26 - Mon, Apr 6
Delta Logo
9:55 am - 2:08 pm
ONT
-
UVF
25h 13m2 stops
Delta Logo
3:25 pm - 9:01 am
UVF
-
ONT
20h 36m2 stops
$1,460Delta
Wed, May 20 - Mon, May 25
Delta Logo
5:00 pm - 3:05 pm
ONT
-
UVF
18h 05m2 stops
Delta Logo
4:25 pm - 1:54 pm
UVF
-
ONT
25h 29m2 stops
$1,542Delta
Wed, Feb 18 - Thu, Feb 26

Air Canada flights from Ontario to Saint Lucia

Our best Air Canada deals on Ontario to Saint Lucia flight tickets
Air Canada
Jan 25
ONT5:05 amOntario
31h 20m
2 stops
UVF4:25 pmCastries Hewanorra
Jan 28
UVF5:15 pmCastries Hewanorra
31h 43m
2 stops
ONT8:58 pmOntario
$1,063
Find similar
Air Canada
Jan 25
ONT5:05 amOntario
31h 20m
2 stops
UVF4:25 pmCastries Hewanorra
Jan 28
UVF5:15 pmCastries Hewanorra
31h 43m
2 stops
ONT8:58 pmOntario
$1,070
Find similar
Air Canada
Jan 25
ONT5:05 amOntario
31h 20m
2 stops
UVF4:25 pmCastries Hewanorra
Jan 28
UVF5:15 pmCastries Hewanorra
31h 43m
2 stops
ONT8:58 pmOntario
$1,080
Find similar

Delta flights from Ontario to Saint Lucia

Our best Delta deals on Ontario to Saint Lucia flight tickets
Delta
Feb 18
ONT10:20 pmOntario
12h 45m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 26
UVF4:25 pmCastries Hewanorra
25h 29m
2 stops
ONT1:54 pmOntario
$1,133
Find similar
Delta
Mar 26
ONT10:30 pmOntario
12h 34m
1 stop
UVF2:04 pmCastries Hewanorra
Apr 1
UVF3:24 pmCastries Hewanorra
32h 40m
1 stop
ONT9:04 pmOntario
$1,219
Find similar
Delta
Mar 26
ONT10:30 pmOntario
12h 34m
1 stop
UVF2:04 pmCastries Hewanorra
Apr 7
UVF3:24 pmCastries Hewanorra
23h 11m
1 stop
ONT11:35 amOntario
$1,276
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Ontario to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sun 1/25

5:05 am-4:25 pm

2 stops31h 20m

Castries Hewanorra

Wed 1/28

5:15 pm-8:58 pm

2 stops31h 43m

$1,063

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sun 1/25

5:05 am-4:25 pm

2 stops31h 20m

Castries Hewanorra

Wed 1/28

5:15 pm-8:58 pm

2 stops31h 43m

$1,070

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sun 1/25

5:05 am-4:25 pm

2 stops31h 20m

Castries Hewanorra

Wed 1/28

5:15 pm-8:58 pm

2 stops31h 43m

$1,080

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Wed 5/20

11:04 pm-1:45 pm

2 stops35h 41m

Castries Hewanorra

Mon 5/25

3:30 pm-7:48 pm

2 stops31h 18m

$1,118

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Wed 2/18

10:20 pm-3:05 pm

1 stop12h 45m

Castries Hewanorra

Thu 2/26

4:25 pm-1:54 pm

2 stops25h 29m

$1,133

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Thu 3/26

10:30 pm-2:04 pm

1 stop12h 34m

Castries Hewanorra

Wed 4/1

3:24 pm-9:04 pm

1 stop32h 40m

$1,219

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Thu 3/26

10:30 pm-2:04 pm

1 stop12h 34m

Castries Hewanorra

Tue 4/7

3:24 pm-11:35 am

1 stop23h 11m

$1,276

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Thu 3/26

10:30 pm-2:04 pm

1 stop12h 34m

Castries Hewanorra

Mon 4/6

3:24 pm-11:35 am

1 stop23h 11m

$1,327

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Wed 5/20

9:55 am-2:08 pm

2 stops25h 13m

Castries Hewanorra

Mon 5/25

3:25 pm-9:01 am

2 stops20h 36m

$1,460

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Wed 2/18

5:00 pm-3:05 pm

2 stops18h 05m

Castries Hewanorra

Thu 2/26

4:25 pm-1:54 pm

2 stops25h 29m

$1,542

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Ontario to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Saint Lucia?

United Airlines is the most popular carrier operating from Ontario to Saint Lucia

What airlines fly to Saint Lucia?

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Saint Lucia from Ontario according to our data. American Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 4 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Saint Lucia

Fastest flight time

12h 45m

Direct flights

None
The fastest flight from Ontario to Saint Lucia takes 12h 45m
There are no direct flights from Ontario to Saint Lucia. There are no popular flight routes from Ontario to Saint Lucia.
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to Saint Lucia?

    Prices for flights from Ontario Airport to Saint Lucia are updated daily.

  • How old do you have to be to fly from Ontario Airport to Saint Lucia?

    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 Ontario Airport to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The necessary travel and health documents for your Saint Lucia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Saint Lucia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Lucia from Ontario.

Can I find flights from Ontario to Saint Lucia with flexible booking policies on momondo?

All flight searches from Ontario to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Saint Lucia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint Lucia from Ontario.

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

Yes. momondo can track prices for Ontario to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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