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 51% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 9 different airlines that fly to Caribbean 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?

Delta, United Airlines, and American Airlines are the most popular carriers operating 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 June 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.

$182 Cheap Flights from Ontario to Caribbean in 2026

Discover deals from 900+ travel sites with momondo.

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.

10:00 pm - 11:46 am

ONT

SJU

10h 46m

1 stop

12:56 pm - 9:52 pm

SJU

ONT

11h 56m

1 stop

$384Delta

Sun, Aug 16 - Thu, Aug 20

10:29 am - 9:43 am

ONT

SJU

20h 14m

2 stops

6:00 am - 6:15 pm

SJU

ONT

15h 15m

2 stops

$389American Airlines

Wed, Aug 19 - Fri, Aug 28

5:00 am - 11:50 pm

ONT

SJU

15h 50m

2 stops

6:45 am - 8:20 pm

SJU

ONT

16h 35m

2 stops

$404United Airlines

Sat, Oct 17 - Sat, Oct 31

5:00 am - 5:38 pm

ONT

SJU

9h 38m

1 stop

7:00 am - 5:41 pm

SJU

ONT

13h 41m

2 stops

$453United Airlines

Sat, Oct 17 - Tue, Oct 20

8:55 am - 11:45 pm

ONT

SJU

11h 50m

2 stops

5:35 am - 2:05 pm

SJU

ONT

12h 30m

2 stops

$480Southwest

Wed, Oct 28 - Sun, Nov 1

9:36 am - 10:36 am

ONT

PUJ

22h 00m

2 stops

11:50 am - 8:03 am

PUJ

ONT

23h 13m

2 stops

$604Frontier

Wed, Aug 12 - Sun, Aug 16

11:50 pm - 1:42 pm

ONT

SXM

10h 52m

1 stop

11:20 am - 10:35 pm

SXM

ONT

14h 15m

1 stop

$644JetBlue

Mon, Aug 31 - Wed, Sep 2

9:10 pm - 2:35 pm

ONT

AUA

14h 25m

1 stop

6:00 pm - 8:13 pm

AUA

ONT

29h 13m

1 stop

$698JetBlue

Fri, Sep 11 - Fri, Sep 18

9:40 pm - 12:45 pm

ONT

AUA

12h 05m

1 stop

1:45 pm - 12:10 am

AUA

ONT

13h 25m

2 stops

$750Southwest

Thu, Jul 16 - Mon, Jul 20

8:17 am - 11:03 am

ONT

SDQ

23h 46m

2 stops

12:03 pm - 8:03 am

SDQ

ONT

23h 00m

2 stops

$756Frontier

Sun, Jul 5 - Thu, Jul 16

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American Airlines flights from Ontario to Caribbean

Our best American Airlines deals on Ontario to Caribbean flight tickets

American Airlines

Aug 19

ONT10:29 amOntario

20h 14m

2 stops

SJU9:43 amSan Juan Luis Munoz Marin Intl

Aug 28

SJU6:00 amSan Juan Luis Munoz Marin Intl

15h 15m

2 stops

ONT6:15 pmOntario

$389

American Airlines

Aug 22

ONT2:43 pmOntario

20h 55m

2 stops

SJU2:38 pmSan Juan Luis Munoz Marin Intl

Aug 28

SJU7:22 pmSan Juan Luis Munoz Marin Intl

17h 12m

2 stops

ONT9:34 amOntario

$392

American Airlines

Aug 22

ONT2:43 pmOntario

18h 52m

2 stops

MBJ11:35 amMontego Bay Sangster Intl

Aug 28

MBJ5:08 pmMontego Bay Sangster Intl

20h 35m

2 stops

ONT11:43 amOntario

$397

Southwest flights from Ontario to Caribbean

Our best Southwest deals on Ontario to Caribbean flight tickets

Southwest

Oct 28

ONT8:55 amOntario

11h 50m

2 stops

SJU11:45 pmSan Juan Luis Munoz Marin Intl

Nov 1

SJU5:35 amSan Juan Luis Munoz Marin Intl

12h 30m

2 stops

ONT2:05 pmOntario

$480

Southwest

Aug 13

ONT11:00 amOntario

9h 50m

2 stops

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Aug 17

SJU5:00 amSan Juan Luis Munoz Marin Intl

12h 00m

2 stops

ONT2:00 pmOntario

$501

Southwest

Jul 20

ONT9:40 amOntario

11h 30m

2 stops

SJU12:10 amSan Juan Luis Munoz Marin Intl

Jul 25

SJU5:00 amSan Juan Luis Munoz Marin Intl

17h 15m

1 stop

ONT7:15 pmOntario

$557

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sun 8/16

10:00 pm-11:46 am

1 stop10h 46m

San Juan Luis Munoz Marin Intl

Thu 8/20

12:56 pm-9:52 pm

1 stop11h 56m

$384

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Wed 8/19

10:29 am-9:43 am

2 stops20h 14m

San Juan Luis Munoz Marin Intl

Fri 8/28

6:00 am-6:15 pm

2 stops15h 15m

$389

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sat 10/17

5:00 am-11:50 pm

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Sat 10/31

6:45 am-8:20 pm

2 stops16h 35m

$404

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sat 10/17

5:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Tue 10/20

7:00 am-5:41 pm

2 stops13h 41m

$453

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Wed 10/28

8:55 am-11:45 pm

2 stops11h 50m

San Juan Luis Munoz Marin Intl

Sun 11/1

5:35 am-2:05 pm

2 stops12h 30m

$480

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

Wed 8/12

9:36 am-10:36 am

2 stops22h 00m

Punta Cana

Sun 8/16

11:50 am-8:03 am

2 stops23h 13m

$604

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Mon 8/31

11:50 pm-1:42 pm

1 stop10h 52m

Simpson Bay Princess Juliana

Wed 9/2

11:20 am-10:35 pm

1 stop14h 15m

$644

OntarioOranjestad

ONT - AUA

ONTAUA

Ontario

Fri 9/11

9:10 pm-2:35 pm

1 stop14h 25m

Oranjestad Reina Beatrix

Fri 9/18

6:00 pm-8:13 pm

1 stop29h 13m

$698

OntarioOranjestad

ONT - AUA

ONTAUA

Ontario

Thu 7/16

9:40 pm-12:45 pm

1 stop12h 05m

Oranjestad Reina Beatrix

Mon 7/20

1:45 pm-12:10 am

2 stops13h 25m

$750

OntarioSanto Domingo

ONT - SDQ

ONTSDQ

Ontario

Sun 7/5

8:17 am-11:03 am

2 stops23h 46m

Santo Domingo Las Americas

Thu 7/16

12:03 pm-8:03 am

2 stops23h 00m

$756

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, November 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 $120. If you don’t want to visit Caribbean in November, then you should wait until April to fly from Ontario, when ticket prices are also cheap, with an average price of $168.

How far in advance should I book a flight from Ontario 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 $546 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 $412 on momondo.

Can stopping save me money on Ontario to Caribbean flights?

You could potentially save up to 18% 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 June 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 $176	Free Cancellation	Rating 5.6 2,897 reviews	Search Frontier flights
Delta	PriceFrom $292	Free Cancellation	Rating 7.9 8,400 reviews	Search Delta flights
United Airlines	PriceFrom $318	Free Cancellation	Rating 7.4 9,806 reviews	Search United Airlines flights
American Airlines	PriceFrom $360	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights
Southwest	PriceFrom $419	Free Cancellation	Rating 7.9 4,234 reviews	Search Southwest flights
JetBlue	PriceFrom $421	Free Cancellation	Rating 7.1 2,980 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.