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

American Airlines, Delta, and United Airlines 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 50% 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 April 2026.

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.

$134 Cheap Flights from Ontario to Caribbean in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Caribbean

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:04 pm - 12:11 pm

ONT

MBJ

18h 07m

2 stops

1:16 pm - 7:35 am

MBJ

ONT

20h 19m

2 stops

$321Frontier

Sat, May 9 - Wed, May 13

11:16 pm - 2:12 pm

ONT

SJU

11h 56m

1 stop

6:25 am - 4:48 pm

SJU

ONT

13h 23m

1 stop

$358Multiple Airlines

Sat, Jun 20 - Wed, Jun 24

4:45 pm - 11:00 am

ONT

SJU

15h 15m

2 stops

5:15 am - 2:05 pm

SJU

ONT

11h 50m

2 stops

$374Southwest

Tue, Aug 11 - Wed, Aug 19

11:59 pm - 4:13 pm

ONT

MBJ

14h 14m

1 stop

12:38 pm - 9:11 pm

MBJ

ONT

10h 33m

1 stop

$392American Airlines

Sat, Aug 22 - Fri, Aug 28

11:59 pm - 1:34 pm

ONT

MBJ

11h 35m

2 stops

12:47 pm - 10:58 pm

MBJ

ONT

12h 11m

1 stop

$397American Airlines

Sat, Aug 22 - Fri, Aug 28

6:00 am - 8:38 pm

ONT

SJU

11h 38m

1 stop

1:00 am - 12:22 pm

SJU

ONT

14h 22m

2 stops

$432United Airlines

Wed, May 6 - Thu, May 7

5:00 am - 8:38 pm

ONT

SJU

12h 38m

2 stops

1:00 am - 12:22 pm

SJU

ONT

14h 22m

2 stops

$447United Airlines

Wed, May 6 - Thu, May 7

10:41 pm - 1:29 pm

ONT

NAS

11h 48m

1 stop

2:00 pm - 10:38 pm

NAS

ONT

11h 38m

1 stop

$482JetBlue

Mon, Jun 8 - Fri, Jun 12

10:41 pm - 12:05 pm

ONT

PUJ

10h 24m

1 stop

11:19 am - 8:47 pm

PUJ

ONT

12h 28m

1 stop

$496JetBlue

Tue, Jun 2 - Tue, Jun 9

9:55 pm - 12:05 pm

ONT

GCM

12h 10m

1 stop

12:45 pm - 9:10 am

GCM

ONT

22h 25m

2 stops

$682Southwest

Fri, May 29 - Fri, Jun 5

Southwest flights from Ontario to Caribbean

Our best Southwest deals on Ontario to Caribbean flight tickets

Southwest

Aug 11

ONT4:45 pmOntario

15h 15m

2 stops

SJU11:00 amSan Juan Luis Munoz Marin Intl

Aug 19

SJU5:15 amSan Juan Luis Munoz Marin Intl

11h 50m

2 stops

ONT2:05 pmOntario

$374

Southwest

Sep 17

ONT6:20 amOntario

10h 45m

2 stops

SJU8:05 pmSan Juan Luis Munoz Marin Intl

Sep 27

SJU5:00 amSan Juan Luis Munoz Marin Intl

12h 10m

2 stops

ONT2:10 pmOntario

$452

Southwest

Aug 20

ONT10:00 amOntario

10h 50m

2 stops

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Aug 23

SJU5:00 amSan Juan Luis Munoz Marin Intl

12h 00m

2 stops

ONT2:00 pmOntario

$485

American Airlines flights from Ontario to Caribbean

Our best American Airlines deals on Ontario to Caribbean flight tickets

American Airlines

Aug 22

ONT11:59 pmOntario

14h 14m

1 stop

MBJ4:13 pmMontego Bay Sangster Intl

Aug 28

MBJ12:38 pmMontego Bay Sangster Intl

10h 33m

1 stop

ONT9:11 pmOntario

$392

American Airlines

Aug 22

ONT11:59 pmOntario

11h 35m

2 stops

MBJ1:34 pmMontego Bay Sangster Intl

Aug 28

MBJ12:47 pmMontego Bay Sangster Intl

12h 11m

1 stop

ONT10:58 pmOntario

$397

American Airlines

Aug 29

ONT11:59 pmOntario

11h 55m

1 stop

SJU2:54 pmSan Juan Luis Munoz Marin Intl

Sep 8

SJU7:14 pmSan Juan Luis Munoz Marin Intl

17h 15m

2 stops

ONT9:29 amOntario

$399

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Sat 5/9

4:04 pm-12:11 pm

2 stops18h 07m

Montego Bay Sangster Intl

Wed 5/13

1:16 pm-7:35 am

2 stops20h 19m

$321

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sat 6/20

11:16 pm-2:12 pm

1 stop11h 56m

San Juan Luis Munoz Marin Intl

Wed 6/24

6:25 am-4:48 pm

1 stop13h 23m

$358

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 8/11

4:45 pm-11:00 am

2 stops15h 15m

San Juan Luis Munoz Marin Intl

Wed 8/19

5:15 am-2:05 pm

2 stops11h 50m

$374

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Sat 8/22

11:59 pm-4:13 pm

1 stop14h 14m

Montego Bay Sangster Intl

Fri 8/28

12:38 pm-9:11 pm

1 stop10h 33m

$392

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Sat 8/22

11:59 pm-1:34 pm

2 stops11h 35m

Montego Bay Sangster Intl

Fri 8/28

12:47 pm-10:58 pm

1 stop12h 11m

$397

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Wed 5/6

6:00 am-8:38 pm

1 stop11h 38m

San Juan Luis Munoz Marin Intl

Thu 5/7

1:00 am-12:22 pm

2 stops14h 22m

$432

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Wed 5/6

5:00 am-8:38 pm

2 stops12h 38m

San Juan Luis Munoz Marin Intl

Thu 5/7

1:00 am-12:22 pm

2 stops14h 22m

$447

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Mon 6/8

10:41 pm-1:29 pm

1 stop11h 48m

Nassau Intl

Fri 6/12

2:00 pm-10:38 pm

1 stop11h 38m

$482

Quickest round-trip

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

Tue 6/2

10:41 pm-12:05 pm

1 stop10h 24m

Punta Cana

Tue 6/9

11:19 am-8:47 pm

1 stop12h 28m

$496

OntarioGeorge Town

ONT - GCM

ONTGCM

Ontario

Fri 5/29

9:55 pm-12:05 pm

1 stop12h 10m

George Town Owen Roberts Intl

Fri 6/5

12:45 pm-9:10 am

2 stops22h 25m

$682

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 $391. If you don’t want to visit Caribbean in October, then you should wait until February to fly from Ontario, when ticket prices are also cheap, with an average price of $485.

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 $563 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 $432 on momondo.

Can stopping save me money on Ontario to Caribbean flights?

You could potentially save up to 34% 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

Fastest flight time	7h 11m
Direct flights	None

The fastest flight from Ontario to Caribbean takes 7h 11m

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

Search flight deals

Frequently asked questions about flying from Ontario to Caribbean

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 April 2026.
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 $137	Free Cancellation	Rating 5.7 2,986 reviews	Search Frontier flights
Delta	PriceFrom $292	Free Cancellation	Rating 7.9 8,422 reviews	Search Delta flights
United Airlines	PriceFrom $321	Free Cancellation	Rating 7.4 9,604 reviews	Search United Airlines flights
American Airlines	PriceFrom $360	Free Cancellation	Rating 7.1 11,620 reviews	Search American Airlines flights
JetBlue	PriceFrom $421	Free Cancellation	Rating 7.2 2,945 reviews	Search JetBlue flights
Southwest	PriceFrom $445	Free Cancellation	Rating 8.0 4,327 reviews	Search Southwest 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.