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Cheap flights from Ontario to Saint Lucia from $327

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 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:59 pm - 3:12 pm
ONT
-
UVF
12h 13m
1 stop
JetBlue Logo
4:33 pm - 10:38 pm
UVF
-
ONT
33h 05m
1 stop
$815JetBlue
Wed, Aug 26 - Wed, Sep 2
JetBlue Logo
11:13 pm - 3:32 pm
ONT
-
UVF
13h 19m
1 stop
JetBlue Logo
4:17 pm - 10:35 pm
UVF
-
ONT
33h 18m
1 stop
$830JetBlue
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
7:05 am - 1:49 pm
ONT
-
UVF
27h 44m
2 stops
American Airlines Logo
2:49 pm - 11:43 am
UVF
-
ONT
23h 54m
2 stops
$843American Airlines
Wed, Aug 26 - Wed, Sep 2
Delta Logo
10:59 pm - 3:10 pm
ONT
-
UVF
12h 11m
1 stop
Delta Logo
4:25 pm - 4:12 pm
UVF
-
ONT
27h 47m
2 stops
$855Delta
Mon, Nov 23 - Wed, Nov 25
JetBlue Logo
11:59 pm - 3:12 pm
ONT
-
UVF
12h 13m
1 stop
JetBlue Logo
4:37 pm - 10:38 pm
UVF
-
ONT
33h 01m
1 stop
$867JetBlue
Thu, Aug 20 - Sun, Aug 23
Delta Logo
1:00 pm - 3:10 pm
ONT
-
UVF
22h 10m
2 stops
Delta Logo
4:25 pm - 4:12 pm
UVF
-
ONT
27h 47m
2 stops
$873Delta
Wed, Nov 18 - Wed, Nov 25
Delta Logo
10:59 pm - 3:10 pm
ONT
-
UVF
12h 11m
1 stop
Delta Logo
4:25 pm - 4:12 pm
UVF
-
ONT
27h 47m
2 stops
$929Delta
Mon, Nov 23 - Thu, Nov 26
Delta Logo
1:00 pm - 3:10 pm
ONT
-
UVF
22h 10m
2 stops
Delta Logo
4:25 pm - 4:12 pm
UVF
-
ONT
27h 47m
2 stops
$958Delta
Wed, Nov 18 - Thu, Nov 26
JetBlue Logo
11:05 pm - 3:03 pm
ONT
-
UVF
12h 58m
1 stop
JetBlue Logo
4:25 pm - 10:09 pm
UVF
-
ONT
32h 44m
1 stop
$969JetBlue
Fri, Oct 9 - Sun, Oct 11
American Airlines Logo
12:37 pm - 2:02 pm
ONT
-
UVF
22h 25m
2 stops
American Airlines Logo
3:01 pm - 9:00 am
UVF
-
ONT
20h 59m
2 stops
$975American Airlines
Mon, Sep 28 - Tue, Oct 6

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JetBlue flights from Ontario to Saint Lucia

Our best JetBlue deals on Ontario to Saint Lucia flight tickets
JetBlue
Sep 15
ONT9:10 pmOntario
15h 10m
1 stop
UVF3:20 pmCastries Hewanorra
Sep 21
UVF4:25 pmCastries Hewanorra
30h 48m
1 stop
ONT8:13 pmOntario
$799
JetBlue
Aug 26
ONT11:59 pmOntario
12h 13m
1 stop
UVF3:12 pmCastries Hewanorra
Sep 2
UVF4:33 pmCastries Hewanorra
33h 05m
1 stop
ONT10:38 pmOntario
$815
JetBlue
Aug 29
ONT11:13 pmOntario
13h 19m
1 stop
UVF3:32 pmCastries Hewanorra
Sep 5
UVF4:17 pmCastries Hewanorra
33h 18m
1 stop
ONT10:35 pmOntario
$830

United Airlines flights from Ontario to Saint Lucia

Our best United Airlines deals on Ontario to Saint Lucia flight tickets
United Airlines
Dec 30
ONT1:42 pmOntario
20h 33m
2 stops
UVF2:15 pmCastries Hewanorra
Jan 9
UVF1:52 pmCastries Hewanorra
26h 41m
2 stops
ONT12:33 pmOntario
$1,110
United Airlines
Jan 1
ONT1:18 pmOntario
23h 07m
2 stops
UVF4:25 pmCastries Hewanorra
Jan 9
UVF1:52 pmCastries Hewanorra
26h 41m
2 stops
ONT12:33 pmOntario
$1,135
United Airlines
Dec 28
ONT1:42 pmOntario
20h 33m
2 stops
UVF2:15 pmCastries Hewanorra
Jan 9
UVF1:52 pmCastries Hewanorra
26h 41m
2 stops
ONT12:33 pmOntario
$1,265

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 July 16, 2026.
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

Cheapest round-trip

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Wed 8/26

11:59 pm-3:12 pm

1 stop12h 13m

Castries Hewanorra

Wed 9/2

4:33 pm-10:38 pm

1 stop33h 05m

$815

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Sat 8/29

11:13 pm-3:32 pm

1 stop13h 19m

Castries Hewanorra

Sat 9/5

4:17 pm-10:35 pm

1 stop33h 18m

$830

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Wed 8/26

7:05 am-1:49 pm

2 stops27h 44m

Castries Hewanorra

Wed 9/2

2:49 pm-11:43 am

2 stops23h 54m

$843
Quickest round-trip

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Mon 11/23

10:59 pm-3:10 pm

1 stop12h 11m

Castries Hewanorra

Wed 11/25

4:25 pm-4:12 pm

2 stops27h 47m

$855

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Thu 8/20

11:59 pm-3:12 pm

1 stop12h 13m

Castries Hewanorra

Sun 8/23

4:37 pm-10:38 pm

1 stop33h 01m

$867

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Wed 11/18

1:00 pm-3:10 pm

2 stops22h 10m

Castries Hewanorra

Wed 11/25

4:25 pm-4:12 pm

2 stops27h 47m

$873

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Mon 11/23

10:59 pm-3:10 pm

1 stop12h 11m

Castries Hewanorra

Thu 11/26

4:25 pm-4:12 pm

2 stops27h 47m

$929

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Wed 11/18

1:00 pm-3:10 pm

2 stops22h 10m

Castries Hewanorra

Thu 11/26

4:25 pm-4:12 pm

2 stops27h 47m

$958

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Fri 10/9

11:05 pm-3:03 pm

1 stop12h 58m

Castries Hewanorra

Sun 10/11

4:25 pm-10:09 pm

1 stop32h 44m

$969

OntarioCastries

ONT - UVF

ONTUVF

Ontario

Mon 9/28

12:37 pm-2:02 pm

2 stops22h 25m

Castries Hewanorra

Tue 10/6

3:01 pm-9:00 am

2 stops20h 59m

$975

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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?

JetBlue and Delta are the most popular carriers 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 59% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 3 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 13m

Direct flights

None
The fastest flight from Ontario to Saint Lucia takes 12h 13m
There are no direct flights from Ontario to Saint Lucia. There are no popular flight routes from Ontario to Saint Lucia.
Search flight deals

Frequently asked questions about flying from Ontario to Saint Lucia

  • 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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Popular flights according to clicks in the last 7 days on momondo
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