Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Caribbean Islands from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Caribbean Islands departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Caribbean Islands

Cheap round-trip flights

Delta Logo
5:50 pm - 11:36 amONT-SJU
14h 46m2 stops
Delta Logo
7:15 am - 10:41 pmSJU-ONT
18h 26m2 stops
$335Delta
Find Deal
Sat, Oct 25 - Fri, Oct 31
United Airlines Logo
6:27 pm - 12:00 pmONT-SJU
14h 33m2 stops
United Airlines Logo
7:00 am - 5:40 pmSJU-ONT
13h 40m2 stops
$353United Airlines
Find Deal
Thu, Oct 16 - Sat, Oct 25
United Airlines Logo
6:04 am - 11:57 pmONT-SJU
14h 53m2 stops
United Airlines Logo
1:05 am - 12:51 pmSJU-ONT
14h 46m2 stops
$364United Airlines
Find Deal
Tue, Sep 9 - Fri, Sep 26
Delta Logo
7:05 am - 9:59 pmONT-SJU
11h 54m1 stop
Delta Logo
7:00 am - 10:41 pmSJU-ONT
19h 41m2 stops
$370Delta
Find Deal
Sat, Oct 25 - Wed, Nov 5
Delta Logo
6:00 am - 9:59 pmONT-SJU
12h 59m2 stops
Delta Logo
7:15 am - 9:20 pmSJU-ONT
18h 05m2 stops
$372Delta
Find Deal
Mon, Oct 27 - Fri, Nov 7
American Airlines Logo
10:37 pm - 9:32 pmONT-SJU
19h 55m1 stop
American Airlines Logo
6:25 am - 4:01 pmSJU-ONT
13h 36m2 stops
$386American Airlines
Find Deal
Sat, Nov 1 - Sun, Nov 9
American Airlines Logo
10:20 am - 11:37 pmONT-SJU
10h 17m2 stops
American Airlines Logo
3:05 pm - 10:33 pmSJU-ONT
10h 28m1 stop
$390American Airlines
Find Deal
Sat, Sep 20 - Fri, Sep 26
Southwest Logo
8:30 pm - 1:30 pmONT-NAS
14h 00m2 stops
Southwest Logo
2:15 pm - 10:00 pmNAS-ONT
10h 45m2 stops
$647Southwest
Find Deal
Fri, Sep 26 - Mon, Sep 29
Southwest Logo
9:10 pm - 1:55 pmONT-MBJ
14h 45m2 stops
Southwest Logo
12:20 pm - 10:45 pmMBJ-ONT
12h 25m2 stops
$651Southwest
Find Deal
Wed, Oct 15 - Tue, Oct 21
Frontier Logo
12:04 pm - 8:48 amONT-MBJ
42h 44m2 stops
Frontier Logo
2:05 pm - 6:35 pmMBJ-ONT
30h 30m2 stops
$734Frontier
Find Deal
Thu, Aug 28 - Sat, Sep 6

American Airlines flights from Ontario to Caribbean Islands

Our best American Airlines deals on Ontario to Caribbean Islands flight tickets
American Airlines
Nov 1
ONT10:37 pmOntario
19h 55m
1 stop
SJU9:32 pmSan Juan Luis Munoz Marin Intl
Nov 9
SJU6:25 amSan Juan Luis Munoz Marin Intl
13h 36m
2 stops
ONT4:01 pmOntario
$386
Find similar
American Airlines
Sep 20
ONT10:20 amOntario
10h 17m
2 stops
SJU11:37 pmSan Juan Luis Munoz Marin Intl
Sep 26
SJU3:05 pmSan Juan Luis Munoz Marin Intl
10h 28m
1 stop
ONT10:33 pmOntario
$390
Find similar
American Airlines
Sep 20
ONT10:20 amOntario
10h 17m
2 stops
SJU11:37 pmSan Juan Luis Munoz Marin Intl
Sep 26
SJU3:05 pmSan Juan Luis Munoz Marin Intl
10h 28m
1 stop
ONT10:33 pmOntario
$427
Find similar

JetBlue flights from Ontario to Caribbean Islands

Our best JetBlue deals on Ontario to Caribbean Islands flight tickets
JetBlue
Sep 26
ONT10:56 pmOntario
11h 51m
1 stop
SJU1:47 pmSan Juan Luis Munoz Marin Intl
Oct 1
SJU1:29 pmSan Juan Luis Munoz Marin Intl
11h 00m
1 stop
ONT9:29 pmOntario
$405
Find similar
JetBlue
Sep 23
ONT10:56 pmOntario
13h 00m
1 stop
SJU2:56 pmSan Juan Luis Munoz Marin Intl
Oct 8
SJU12:50 pmSan Juan Luis Munoz Marin Intl
11h 39m
1 stop
ONT9:29 pmOntario
$410
Find similar
JetBlue
Sep 29
ONT10:56 pmOntario
10h 46m
1 stop
SJU12:42 pmSan Juan Luis Munoz Marin Intl
Oct 11
SJU12:50 pmSan Juan Luis Munoz Marin Intl
11h 39m
1 stop
ONT9:29 pmOntario
$437
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Caribbean Islands that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Ontario to Caribbean Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sat 10/25

5:50 pm-11:36 am

2 stops14h 46m

San Juan Luis Munoz Marin Intl

Fri 10/31

7:15 am-10:41 pm

2 stops18h 26m

$335

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Thu 10/16

6:27 pm-12:00 pm

2 stops14h 33m

San Juan Luis Munoz Marin Intl

Sat 10/25

7:00 am-5:40 pm

2 stops13h 40m

$353

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 9/9

6:04 am-11:57 pm

2 stops14h 53m

San Juan Luis Munoz Marin Intl

Fri 9/26

1:05 am-12:51 pm

2 stops14h 46m

$364

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sat 10/25

7:05 am-9:59 pm

1 stop11h 54m

San Juan Luis Munoz Marin Intl

Wed 11/5

7:00 am-10:41 pm

2 stops19h 41m

$370

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 10/27

6:00 am-9:59 pm

2 stops12h 59m

San Juan Luis Munoz Marin Intl

Fri 11/7

7:15 am-9:20 pm

2 stops18h 05m

$372

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sat 11/1

10:37 pm-9:32 pm

1 stop19h 55m

San Juan Luis Munoz Marin Intl

Sun 11/9

6:25 am-4:01 pm

2 stops13h 36m

$386

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sat 9/20

10:20 am-11:37 pm

2 stops10h 17m

San Juan Luis Munoz Marin Intl

Fri 9/26

3:05 pm-10:33 pm

1 stop10h 28m

$390

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Fri 9/26

8:30 pm-1:30 pm

2 stops14h 00m

Nassau Intl

Mon 9/29

2:15 pm-10:00 pm

2 stops10h 45m

$647

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Wed 10/15

9:10 pm-1:55 pm

2 stops14h 45m

Montego Bay Sangster Intl

Tue 10/21

12:20 pm-10:45 pm

2 stops12h 25m

$651

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Thu 8/28

12:04 pm-8:48 am

2 stops42h 44m

Montego Bay Sangster Intl

Sat 9/6

2:05 pm-6:35 pm

2 stops30h 30m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Caribbean Islands from

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

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 $444. The month of September is another great option to travel to Caribbean Islands, with average flight prices from Ontario averaging around $483.

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

The cheapest day to depart from Ontario to Caribbean Islands is on a Tuesday. Travelers who choose to depart for Caribbean Islands on a Tuesday will often find tickets 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 Islands.

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

According to our data, the cheapest time of day to fly to Caribbean Islands is in the evening. momondo users have found flights departing from Ontario to Caribbean Islands in the evening for as low as $532. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $735. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $602 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 $472 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

Best Price Found

$168

Fastest flight time

6h 56m

Direct flights

None

Airports in Caribbean Islands

9 airports
The best one-way flight to Caribbean Islands from Ontario in the past 72 hours is $168. The best round-trip flight deal from Ontario to Caribbean Islands found on momondo in the last 72 hours is $335.
The fastest flight from Ontario to Caribbean Islands takes 6h 56m
There are no direct flights from Ontario to Caribbean Islands. Popular non-direct routes for this connection are Ontario Airport - San Juan Luis Munoz Marin Intl Airport, Ontario Airport - Nassau Intl Airport and Ontario Airport - Montego Bay Sangster Intl Airport.
There are 9 airports near Caribbean Islands: George Town Owen Roberts Intl (GCM), Puerto Plata La Union (POP), Nassau Intl (NAS), Santo Domingo Las Americas (SDQ), Kingston Norman Manley (KIN), Montego Bay Sangster Intl (MBJ), Punta Cana (PUJ), Oranjestad Reina Beatrix (AUA), San Juan Luis Munoz Marin Intl (SJU)
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?

  • 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?

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
FrontierPriceFrom $73Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
DeltaPriceFrom $278Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $364Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
SouthwestPriceFrom $409Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
JetBluePriceFrom $425Free CancellationRating
7.2
2,914 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.

An easier way to manage your Caribbean Islands trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/19
Tue 8/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Caribbean Islands

Popular cities in Caribbean Islands

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $58
Flights to Londonfrom $321
Flights to Bangkokfrom $511
Flights to Tokyofrom $491
Flights to Los Angelesfrom $46
Flights to Parisfrom $335
Flights to Copenhagenfrom $379
Flights to Istanbulfrom $438
Flights to Manilafrom $496
Flights to Miamifrom $61
Flights to Romefrom $321
Flights to Chicagofrom $45