What airlines fly to Caribbean Islands?

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Caribbean Islands from Ontario according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 11 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

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

United Airlines, American Airlines, and Delta are the most popular carriers operating from Ontario to Caribbean Islands

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

Prices for flights from Ontario Airport to Caribbean Islands refresh daily.

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

As of March 2026, there are 6 operators available to choose from for flights from Ontario Airport to Caribbean Islands.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Caribbean Islands.

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

The travel and health documents required for your trip to Caribbean Islands can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Caribbean Islands. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$167 Cheap Flights from Ontario to Caribbean Islands in 2026

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 Islands

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:15 pm - 5:53 am

ONT

SJU

10h 38m

1 stop

6:15 am - 3:25 pm

SJU

ONT

12h 10m

1 stop

$296Frontier

Tue, Aug 11 - Wed, Aug 19

4:15 pm - 5:53 am

ONT

SJU

10h 38m

1 stop

6:15 am - 3:25 pm

SJU

ONT

12h 10m

1 stop

$331Frontier

Fri, Aug 14 - Wed, Aug 19

4:52 pm - 9:13 am

ONT

SJU

13h 21m

2 stops

11:59 pm - 10:09 am

SJU

ONT

13h 10m

1 stop

$334American Airlines

Tue, Apr 28 - Thu, May 7

6:00 am - 9:24 pm

ONT

SJU

12h 24m

2 stops

1:00 am - 12:22 pm

SJU

ONT

14h 22m

2 stops

$359United Airlines

Tue, Apr 28 - Wed, May 6

10:26 pm - 9:13 am

ONT

MBJ

8h 47m

1 stop

12:25 pm - 9:07 pm

MBJ

ONT

10h 42m

1 stop

$382American Airlines

Fri, Apr 24 - Thu, Apr 30

5:10 am - 3:45 pm

ONT

MBJ

8h 35m

1 stop

12:52 pm - 8:36 pm

MBJ

ONT

9h 44m

1 stop

$412United Airlines

Sat, Apr 4 - Sat, May 2

10:00 pm - 1:30 pm

ONT

PUJ

12h 30m

1 stop

11:10 am - 8:45 pm

PUJ

ONT

12h 35m

1 stop

$477JetBlue

Mon, May 25 - Fri, May 29

10:00 pm - 1:03 pm

ONT

MBJ

13h 03m

1 stop

10:42 am - 8:45 pm

MBJ

ONT

12h 03m

1 stop

$488JetBlue

Fri, May 29 - Wed, Jun 3

9:55 pm - 12:35 pm

ONT

AUA

11h 40m

1 stop

2:45 pm - 8:45 am

AUA

ONT

21h 00m

2 stops

$726Southwest

Fri, Apr 17 - Thu, Apr 23

6:00 pm - 2:45 pm

ONT

AUA

17h 45m

2 stops

2:45 pm - 8:45 am

AUA

ONT

21h 00m

2 stops

$736Southwest

Fri, Apr 17 - Thu, Apr 23

American Airlines flights from Ontario to Caribbean Islands

Our best American Airlines deals on Ontario to Caribbean Islands flight tickets

American Airlines

Apr 28

ONT4:52 pmOntario

13h 21m

2 stops

SJU9:13 amSan Juan Luis Munoz Marin Intl

May 7

SJU11:59 pmSan Juan Luis Munoz Marin Intl

13h 10m

1 stop

ONT10:09 amOntario

$334

American Airlines

Apr 24

ONT10:26 pmOntario

8h 47m

1 stop

MBJ9:13 amMontego Bay Sangster Intl

Apr 30

MBJ12:25 pmMontego Bay Sangster Intl

10h 42m

1 stop

ONT9:07 pmOntario

$382

American Airlines

Aug 22

ONT11:59 pmOntario

12h 21m

1 stop

MBJ2:20 pmMontego Bay Sangster Intl

Aug 28

MBJ10:25 amMontego Bay Sangster Intl

13h 03m

1 stop

ONT9:28 pmOntario

$392

United Airlines flights from Ontario to Caribbean Islands

Our best United Airlines deals on Ontario to Caribbean Islands flight tickets

United Airlines

Apr 28

ONT6:00 amOntario

12h 24m

2 stops

SJU9:24 pmSan Juan Luis Munoz Marin Intl

May 6

SJU1:00 amSan Juan Luis Munoz Marin Intl

14h 22m

2 stops

ONT12:22 pmOntario

$359

United Airlines

Apr 24

ONT6:05 amOntario

11h 33m

1 stop

SJU8:38 pmSan Juan Luis Munoz Marin Intl

May 2

SJU7:40 amSan Juan Luis Munoz Marin Intl

13h 21m

1 stop

ONT6:01 pmOntario

$402

United Airlines

May 12

ONT5:00 amOntario

9h 38m

1 stop

SJU5:38 pmSan Juan Luis Munoz Marin Intl

May 19

SJU7:20 amSan Juan Luis Munoz Marin Intl

18h 15m

2 stops

ONT10:35 pmOntario

$406

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 8/11

4:15 pm-5:53 am

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Wed 8/19

6:15 am-3:25 pm

1 stop12h 10m

$296

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Fri 8/14

4:15 pm-5:53 am

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Wed 8/19

6:15 am-3:25 pm

1 stop12h 10m

$331

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 4/28

4:52 pm-9:13 am

2 stops13h 21m

San Juan Luis Munoz Marin Intl

Thu 5/7

11:59 pm-10:09 am

1 stop13h 10m

$334

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 4/28

6:00 am-9:24 pm

2 stops12h 24m

San Juan Luis Munoz Marin Intl

Wed 5/6

1:00 am-12:22 pm

2 stops14h 22m

$359

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Fri 4/24

10:26 pm-9:13 am

1 stop8h 47m

Montego Bay Sangster Intl

Thu 4/30

12:25 pm-9:07 pm

1 stop10h 42m

$382

Quickest round-trip

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Sat 4/4

5:10 am-3:45 pm

1 stop8h 35m

Montego Bay Sangster Intl

Sat 5/2

12:52 pm-8:36 pm

1 stop9h 44m

$412

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

Mon 5/25

10:00 pm-1:30 pm

1 stop12h 30m

Punta Cana

Fri 5/29

11:10 am-8:45 pm

1 stop12h 35m

$477

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Fri 5/29

10:00 pm-1:03 pm

1 stop13h 03m

Montego Bay Sangster Intl

Wed 6/3

10:42 am-8:45 pm

1 stop12h 03m

$488

OntarioOranjestad

ONT - AUA

ONTAUA

Ontario

Fri 4/17

9:55 pm-12:35 pm

1 stop11h 40m

Oranjestad Reina Beatrix

Thu 4/23

2:45 pm-8:45 am

2 stops21h 00m

$726

OntarioOranjestad

ONT - AUA

ONTAUA

Ontario

Fri 4/17

6:00 pm-2:45 pm

2 stops17h 45m

Oranjestad Reina Beatrix

Thu 4/23

2:45 pm-8:45 am

2 stops21h 00m

$736

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 Islands

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 Islands?

The month of October is, on average, the cheapest month to fly to Caribbean Islands from Ontario, with most prices found around $391. The month of February is another great option to travel to Caribbean Islands, with average flight prices from Ontario averaging around $484.

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

You are more likely to see cheaper flights to Caribbean Islands from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $576 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Ontario for as low as $451 on momondo.

Can stopping save me money on Ontario to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Ontario to Caribbean Islands.

Cheap Ontario to Caribbean Islands flight deals and tips

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

Fastest flight time	7h 11m
Direct flights	None

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

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

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Caribbean Islands?
Prices for flights from Ontario Airport to Caribbean Islands refresh daily.
How many operators does momondo search for flights from Ontario Airport to Caribbean Islands?
As of March 2026, there are 6 operators available to choose from for flights from Ontario Airport to Caribbean Islands.
How old do you have to be to fly from Ontario Airport to Caribbean Islands?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The travel and health documents required for your trip to Caribbean Islands can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Caribbean Islands. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ontario to Caribbean Islands?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ontario to Caribbean Islands is Airbus A321neo (14.29% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (11.19%), Boeing 737 MAX 8 (10.96%), and Airbus A320neo (10.66%).

Best airlines flying from Ontario to Caribbean Islands

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $73	Free Cancellation	Rating 5.7 3,032 reviews	Search Frontier flights
Delta	PriceFrom $292	Free Cancellation	Rating 7.9 8,292 reviews	Search Delta flights
United Airlines	PriceFrom $321	Free Cancellation	Rating 7.4 9,428 reviews	Search United Airlines flights
American Airlines	PriceFrom $365	Free Cancellation	Rating 7.1 11,471 reviews	Search American Airlines flights
JetBlue	PriceFrom $421	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
Southwest	PriceFrom $445	Free Cancellation	Rating 8.0 4,318 reviews	Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Caribbean Islands. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Ontario to Caribbean Islands 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 Islands?

Once all potential Ontario to Caribbean Islands flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Caribbean Islands from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.