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 50% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 9 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?

American Airlines, Delta, and United Airlines 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 August 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.

$191 Cheap Flights from Ontario to Caribbean Islands in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:13 pm - 12:54 pm

ONT

SJU

14h 41m

2 stops

1:00 am - 12:46 pm

SJU

ONT

14h 46m

2 stops

$414United Airlines

Sun, Sep 20 - Thu, Sep 24

5:00 am - 5:25 pm

ONT

SJU

9h 25m

1 stop

7:40 am - 6:01 pm

SJU

ONT

14h 21m

2 stops

$414United Airlines

Mon, Oct 26 - Tue, Nov 3

5:03 pm - 12:05 pm

ONT

SJU

16h 02m

2 stops

7:45 am - 10:43 pm

SJU

ONT

18h 58m

2 stops

$414Delta

Mon, Oct 26 - Tue, Nov 3

7:49 pm - 1:03 pm

ONT

SJU

13h 14m

2 stops

6:28 am - 11:52 am

SJU

ONT

9h 24m

1 stop

$456American Airlines

Sun, Nov 1 - Fri, Nov 13

10:30 pm - 1:03 pm

ONT

SJU

10h 33m

1 stop

6:28 am - 1:31 pm

SJU

ONT

11h 03m

1 stop

$456American Airlines

Sun, Nov 1 - Fri, Nov 13

11:00 am - 11:55 pm

ONT

SJU

9h 55m

2 stops

5:15 am - 2:25 pm

SJU

ONT

12h 10m

2 stops

$472Southwest

Thu, Sep 24 - Tue, Sep 29

6:01 pm - 1:05 pm

ONT

SJU

15h 04m

2 stops

2:05 pm - 11:58 pm

SJU

ONT

13h 53m

2 stops

$472Delta

Sun, Nov 1 - Fri, Nov 13

5:55 am - 10:20 pm

ONT

SJU

12h 25m

2 stops

5:40 am - 12:50 pm

SJU

ONT

11h 10m

2 stops

$500Southwest

Mon, Dec 7 - Wed, Dec 16

10:39 pm - 1:39 pm

ONT

SJU

12h 00m

1 stop

10:30 am - 8:57 pm

SJU

ONT

13h 27m

1 stop

$504JetBlue

Tue, Sep 15 - Fri, Sep 18

10:39 pm - 1:39 pm

ONT

SJU

12h 00m

1 stop

1:00 pm - 8:57 pm

SJU

ONT

10h 57m

1 stop

$504JetBlue

Sun, Sep 20 - Fri, Sep 25

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American Airlines flights from Ontario to Caribbean Islands

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

American Airlines

Nov 1

ONT7:49 pmOntario

13h 14m

2 stops

SJU1:03 pmSan Juan Luis Munoz Marin Intl

Nov 13

SJU6:28 amSan Juan Luis Munoz Marin Intl

9h 24m

1 stop

ONT11:52 amOntario

$456

American Airlines

Sep 27

ONT7:11 pmOntario

14h 16m

2 stops

GCM11:27 amGeorge Town Owen Roberts Intl

Oct 1

GCM12:36 pmGeorge Town Owen Roberts Intl

13h 00m

2 stops

ONT11:36 pmOntario

$482

American Airlines

Oct 31

ONT4:29 pmOntario

20h 16m

2 stops

GCM2:45 pmGeorge Town Owen Roberts Intl

Nov 15

GCM3:45 pmGeorge Town Owen Roberts Intl

19h 54m

2 stops

ONT8:39 amOntario

$487

United Airlines flights from Ontario to Caribbean Islands

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

United Airlines

Oct 26

ONT5:00 amOntario

9h 25m

1 stop

SJU5:25 pmSan Juan Luis Munoz Marin Intl

Nov 3

SJU7:40 amSan Juan Luis Munoz Marin Intl

14h 21m

2 stops

ONT6:01 pmOntario

$414

United Airlines

Nov 7

ONT5:00 amOntario

8h 50m

1 stop

MBJ4:50 pmMontego Bay Sangster Intl

Nov 13

MBJ3:20 pmMontego Bay Sangster Intl

24h 09m

2 stops

ONT12:29 pmOntario

$437

United Airlines

Jan 21

ONT5:00 amOntario

13h 22m

2 stops

SJU10:22 pmSan Juan Luis Munoz Marin Intl

Jan 28

SJU8:10 amSan Juan Luis Munoz Marin Intl

14h 34m

2 stops

ONT6:44 pmOntario

$445

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sun 9/20

7:13 pm-12:54 pm

2 stops14h 41m

San Juan Luis Munoz Marin Intl

Thu 9/24

1:00 am-12:46 pm

2 stops14h 46m

$414

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 10/26

5:00 am-5:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Tue 11/3

7:40 am-6:01 pm

2 stops14h 21m

$414

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 10/26

5:03 pm-12:05 pm

2 stops16h 02m

San Juan Luis Munoz Marin Intl

Tue 11/3

7:45 am-10:43 pm

2 stops18h 58m

$414

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sun 11/1

7:49 pm-1:03 pm

2 stops13h 14m

San Juan Luis Munoz Marin Intl

Fri 11/13

6:28 am-11:52 am

1 stop9h 24m

$456

Quickest round-trip

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sun 11/1

10:30 pm-1:03 pm

1 stop10h 33m

San Juan Luis Munoz Marin Intl

Fri 11/13

6:28 am-1:31 pm

1 stop11h 03m

$456

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Thu 9/24

11:00 am-11:55 pm

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Tue 9/29

5:15 am-2:25 pm

2 stops12h 10m

$472

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sun 11/1

6:01 pm-1:05 pm

2 stops15h 04m

San Juan Luis Munoz Marin Intl

Fri 11/13

2:05 pm-11:58 pm

2 stops13h 53m

$472

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 12/7

5:55 am-10:20 pm

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Wed 12/16

5:40 am-12:50 pm

2 stops11h 10m

$500

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 9/15

10:39 pm-1:39 pm

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Fri 9/18

10:30 am-8:57 pm

1 stop13h 27m

$504

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sun 9/20

10:39 pm-1:39 pm

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Fri 9/25

1:00 pm-8:57 pm

1 stop10h 57m

$504

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 March is, on average, the cheapest month to fly to Caribbean Islands from Ontario, with most prices found around $530. The month of February is another great option to travel to Caribbean Islands, with average flight prices from Ontario averaging around $576.

How far in advance should I book a flight from Ontario 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 $546 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 $429 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 30m
Direct flights	None

The fastest flight from Ontario to Caribbean Islands takes 7h 30m

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

Search flight deals

Frequently asked questions about flying 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 August 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 (14.75% of total bookings). The next most popular plane models are Airbus A320neo (14.12%), Airbus A321-100/200 (13.19%), and Boeing 737 MAX 8 (10.94%).

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
Delta	PriceFrom $168	Free Cancellation	Rating 7.8 8,483 reviews	Search Delta flights
Frontier	PriceFrom $176	Free Cancellation	Rating 5.6 2,736 reviews	Search Frontier flights
United Airlines	PriceFrom $318	Free Cancellation	Rating 7.4 10,060 reviews	Search United Airlines flights
American Airlines	PriceFrom $360	Free Cancellation	Rating 7.1 11,845 reviews	Search American Airlines flights
Southwest	PriceFrom $419	Free Cancellation	Rating 8.0 4,221 reviews	Search Southwest flights
JetBlue	PriceFrom $421	Free Cancellation	Rating 7.2 3,026 reviews	Search JetBlue 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.