What is the cheapest airline that flies from Ontario to Caribbean?

Delta, JetBlue, and Frontier are the most popular carriers operating from Ontario to Caribbean

What airlines fly to Caribbean?

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Caribbean 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 Caribbean. Keep in mind that there are 11 different airlines that fly to Caribbean on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Caribbean?

Prices for flights from Ontario Airport to Caribbean are updated daily.

How many operators does momondo search for flights from Ontario Airport to Caribbean?

There are 6 operators available for flights from Ontario Airport to Caribbean as of September 2025.

How old do you have to be to fly from Ontario Airport to Caribbean?

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 Caribbean.

What documentation or ID do you need to fly to Caribbean?

The travel and health documents you'll need for your trip to Caribbean may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Caribbean. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$178 Cheap Flights from Ontario to Caribbean in 2025

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Find the cheapest flights from Ontario to Caribbean

Round-trip

One-way

Last minute

Cheap round-trip flights

7:47 am - 1:32 amONT-SJU

13h 45m2 stops

9:00 am - 11:50 pmSJU-ONT

18h 50m2 stops

$309Frontier

Find Deal

dom., nov. 9 - mié., nov. 12

7:04 am - 1:08 amONT-SJU

39h 04m2 stops

4:04 pm - 4:28 pmSJU-ONT

27h 24m1 stop

$330

Find Deal

sáb., oct. 11 - jue., oct. 16

5:05 am - 6:25 pmONT-SJU

9h 20m1 stop

7:45 am - 8:58 pmSJU-ONT

17h 13m2 stops

$355United Airlines

Find Deal

lun., ene. 19 - sáb., ene. 24

6:00 am - 8:38 pmONT-SJU

11h 38m1 stop

1:05 am - 12:13 pmSJU-ONT

14h 08m2 stops

$373United Airlines

Find Deal

mié., oct. 15 - lun., oct. 20

6:15 am - 11:55 pmONT-SJU

14h 40m2 stops

7:00 am - 4:01 pmSJU-ONT

13h 01m2 stops

$406American Airlines

Find Deal

sáb., nov. 1 - mié., nov. 5

10:25 pm - 12:46 pmONT-SJU

10h 21m1 stop

1:57 pm - 11:03 pmSJU-ONT

13h 06m1 stop

$414Delta

Find Deal

lun., nov. 17 - jue., dic. 4

7:05 am - 9:59 pmONT-SJU

11h 54m1 stop

1:46 pm - 10:22 pmSJU-ONT

12h 36m1 stop

$420Delta

Find Deal

mié., oct. 29 - vie., nov. 7

6:41 am - 11:40 pmONT-SJU

12h 59m2 stops

6:45 am - 5:53 pmSJU-ONT

15h 08m1 stop

$440American Airlines

Find Deal

mié., feb. 4 - dom., feb. 8

4:40 pm - 1:45 pmONT-PUJ

18h 05m2 stops

2:50 pm - 8:45 amPUJ-ONT

20h 55m2 stops

$656Southwest

Find Deal

dom., oct. 19 - dom., oct. 26

3:35 pm - 2:20 pmONT-PUJ

19h 45m2 stops

2:50 pm - 9:15 amPUJ-ONT

21h 25m2 stops

$681Southwest

Find Deal

sáb., oct. 18 - dom., oct. 26

Frontier flights from Ontario to Caribbean

Our best Frontier deals on Ontario to Caribbean flight tickets

Frontier

Nov 9

ONT7:47 amOntario

13h 45m

2 stops

SJU1:32 amSan Juan Luis Munoz Marin Intl

Nov 12

SJU9:00 amSan Juan Luis Munoz Marin Intl

18h 50m

2 stops

ONT11:50 pmOntario

$309

Find similar

Frontier

Oct 31

ONT7:44 pmOntario

19h 10m

2 stops

SJU5:54 pmSan Juan Luis Munoz Marin Intl

Nov 7

SJU2:11 amSan Juan Luis Munoz Marin Intl

12h 59m

2 stops

ONT11:10 amOntario

$335

Find similar

Frontier

Oct 16

ONT12:32 pmOntario

16h 23m

2 stops

SJU7:55 amSan Juan Luis Munoz Marin Intl

Oct 22

SJU6:22 amSan Juan Luis Munoz Marin Intl

20h 28m

2 stops

ONT11:50 pmOntario

$345

Find similar

Delta flights from Ontario to Caribbean

Our best Delta deals on Ontario to Caribbean flight tickets

Delta

Nov 17

ONT10:25 pmOntario

10h 21m

1 stop

SJU12:46 pmSan Juan Luis Munoz Marin Intl

Dec 4

SJU1:57 pmSan Juan Luis Munoz Marin Intl

13h 06m

1 stop

ONT11:03 pmOntario

$414

Find similar

Delta

Oct 29

ONT7:05 amOntario

11h 54m

1 stop

SJU9:59 pmSan Juan Luis Munoz Marin Intl

Nov 7

SJU1:46 pmSan Juan Luis Munoz Marin Intl

12h 36m

1 stop

ONT10:22 pmOntario

$420

Find similar

Delta

Mar 2

ONT10:30 pmOntario

12h 00m

1 stop

NAS1:30 pmNassau Intl

Mar 4

NAS2:55 pmNassau Intl

9h 19m

1 stop

ONT9:14 pmOntario

$615

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

dom. 11/9

7:47 am-1:32 am

2 stops13h 45m

San Juan Luis Munoz Marin Intl

mié. 11/12

9:00 am-11:50 pm

2 stops18h 50m

$309

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

sáb. 10/11

7:04 am-1:08 am

2 stops39h 04m

San Juan Luis Munoz Marin Intl

jue. 10/16

4:04 pm-4:28 pm

1 stop27h 24m

$330

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

lun. 1/19

5:05 am-6:25 pm

1 stop9h 20m

San Juan Luis Munoz Marin Intl

sáb. 1/24

7:45 am-8:58 pm

2 stops17h 13m

$355

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

mié. 10/15

6:00 am-8:38 pm

1 stop11h 38m

San Juan Luis Munoz Marin Intl

lun. 10/20

1:05 am-12:13 pm

2 stops14h 08m

$373

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

sáb. 11/1

6:15 am-11:55 pm

2 stops14h 40m

San Juan Luis Munoz Marin Intl

mié. 11/5

7:00 am-4:01 pm

2 stops13h 01m

$406

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

lun. 11/17

10:25 pm-12:46 pm

1 stop10h 21m

San Juan Luis Munoz Marin Intl

jue. 12/4

1:57 pm-11:03 pm

1 stop13h 06m

$414

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

mié. 10/29

7:05 am-9:59 pm

1 stop11h 54m

San Juan Luis Munoz Marin Intl

vie. 11/7

1:46 pm-10:22 pm

1 stop12h 36m

$420

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

mié. 2/4

6:41 am-11:40 pm

2 stops12h 59m

San Juan Luis Munoz Marin Intl

dom. 2/8

6:45 am-5:53 pm

1 stop15h 08m

$440

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

dom. 10/19

4:40 pm-1:45 pm

2 stops18h 05m

Punta Cana

dom. 10/26

2:50 pm-8:45 am

2 stops20h 55m

$656

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

sáb. 10/18

3:35 pm-2:20 pm

2 stops19h 45m

Punta Cana

dom. 10/26

2:50 pm-9:15 am

2 stops21h 25m

$681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Caribbean

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

Prices

Airlines

What is the cheapest month to fly to Caribbean?

In general, October is the cheapest month to fly from Ontario to Caribbean. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $444. If you don’t want to visit Caribbean in October, then you should wait until April to fly from Ontario, when ticket prices are also cheap, with an average price of $484.

What is the cheapest day to depart on your flight to Caribbean?

The cheapest day to depart from Ontario to Caribbean is on a Tuesday when prices can be found for as low as $413. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $672. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean.

What is the cheapest time of day to depart on your flight to Caribbean?

In the evening is the cheapest time of day to fly from Ontario to Caribbean when you can find flight prices for as low as $532. Flying to Caribbean in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $735.

How far in advance should I book a flight to Caribbean?

You are more likely to see cheaper flights to Caribbean from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean for around $597 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean from Ontario for as low as $472 on momondo.

Can stopping save me money on Ontario to Caribbean flights?

You could potentially save up to 29% on your flight if you consider stops on a Ontario to Caribbean flight.

Cheap Ontario to Caribbean flight deals and tips

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

Direct flights	None

There are no direct flights from Ontario to Caribbean. There are no popular flight routes from Ontario to Caribbean.

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Caribbean?
Prices for flights from Ontario Airport to Caribbean are updated daily.
How many operators does momondo search for flights from Ontario Airport to Caribbean?
There are 6 operators available for flights from Ontario Airport to Caribbean as of September 2025.
How old do you have to be to fly from Ontario Airport to Caribbean?
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 Caribbean.
What documentation or ID do you need to fly to Caribbean?
The travel and health documents you'll need for your trip to Caribbean may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Caribbean. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to Caribbean

Compare and see reviews for airlines that fly from Ontario to Caribbean with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $73	Free Cancellation	Rating 5.8 3,177 reviews	Search Frontier flights
Delta	PriceFrom $278	Free Cancellation	Rating 7.9 7,960 reviews	Search Delta flights
American Airlines	PriceFrom $365	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $366	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
Southwest	PriceFrom $409	Free Cancellation	Rating 8.0 4,248 reviews	Search Southwest flights
JetBlue	PriceFrom $522	Free Cancellation	Rating 7.2 2,913 reviews	Search JetBlue flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Caribbean for you.

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

Flights from Ontario to Caribbean with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Caribbean?

momondo helps you find the best flight between Ontario and Caribbean by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Caribbean from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.