HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Grand Cayman

$268+ Cheap flights from Ontario (ONT) to Grand Cayman

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GCM
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Grand Cayman with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Grand Cayman

Keep the following information in mind while searching for Ontario to Grand Cayman flight deals. Data was last updated junio 18, 2025.

Round-trip from

$730
(Southwest)

One-way from

$268
(JetBlue)

Popular in

December

Cheapest in

September

Average price

$667
From Ontario to Grand Cayman
Search Deals
One-way flight from Ontario to Grand Cayman
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ontario to Grand Cayman

Cheapest flights from Ontario to Grand Cayman
Explore the most affordable flight options available from Ontario to Grand Cayman. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/119:20 pmONT - GCM
1 stop11h 15mSouthwest
dom. 7/1312:45 pmGCM - ONT
2 stops13h 30mSouthwest
Deal found 6/17$730
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/1410:59 pmONT - GCM
1 stop10h 32mDelta
dom. 9/2812:53 pmGCM - ONT
1 stop11h 48mDelta
Deal found 6/16$741
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/211:18 pmONT - GCM
1 stop13h 37mAmerican Airlines
dom. 11/161:45 pmGCM - ONT
1 stop9h 26mAmerican Airlines
Deal found 6/16$770
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/96:09 amONT - GCM
1 stop7h 16mUnited Airlines
sáb. 11/152:40 pmGCM - ONT
1 stop10h 51mUnited Airlines
Deal found 6/17$831

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Grand Cayman 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, Cheapflights users made 2,558,603 searches. Data last updated junio 18, 2025.
Use the filters below to find and compare flights from Ontario to Grand Cayman that are best for you.

Fly from

Ontario

Fly to

Grand Cayman

Route

Depart

Return

Price

OntarioGeorge Town

ONT - GCM

ONTGCM

Ontario

vie. 7/11

9:20 pm-10:35 am

1 stop11h 15m

George Town Owen Roberts Intl

dom. 7/13

12:45 pm-12:15 am

2 stops13h 30m

$730

OntarioGeorge Town

ONT - GCM

ONTGCM

Ontario

dom. 9/14

10:59 pm-11:31 am

1 stop10h 32m

George Town Owen Roberts Intl

dom. 9/28

12:53 pm-10:41 pm

1 stop11h 48m

$741

OntarioGeorge Town

ONT - GCM

ONTGCM

Ontario

dom. 11/2

11:18 pm-3:55 pm

1 stop13h 37m

George Town Owen Roberts Intl

dom. 11/16

1:45 pm-8:11 pm

1 stop9h 26m

$770

OntarioGeorge Town

ONT - GCM

ONTGCM

Ontario

dom. 11/9

6:09 am-4:25 pm

1 stop7h 16m

George Town Owen Roberts Intl

sáb. 11/15

2:40 pm-10:31 pm

1 stop10h 51m

$831

OntarioGeorge Town

ONT - GCM

ONTGCM

Ontario

vie. 7/4

11:59 pm-12:33 pm

1 stop10h 34m

$268

OntarioGeorge Town

ONT - GCM

ONTGCM

Ontario

vie. 10/3

1:15 pm-12:30 pm

2 stops21h 15m

$418

OntarioGeorge Town

ONT - GCM

ONTGCM

Ontario

vie. 10/3

10:35 pm-11:25 am

1 stop10h 50m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Best time to book a flight from Ontario to Grand Cayman

Have a flexible travel schedule? Discover the best time to fly to Grand Cayman from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Grand Cayman

What is the cheapest month to book a flight from Ontario to Grand Cayman?

Currently, January is the cheapest month in which you can book a flight from Ontario to Grand Cayman (average of $467). Flying from Ontario to Grand Cayman in March is currently the most expensive (average of $594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Grand Cayman

Get insights into the airlines that provide service to Grand Cayman. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Grand Cayman. Reviews last updated junio 18, 2025.
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,810 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Grand Cayman. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Grand Cayman?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Grand Cayman from Ontario.

  • What are the cheapest airlines to fly from Ontario to Grand Cayman one-way?

    The cheapest airlines for a one-way flight from Ontario to Grand Cayman are JetBlue ($268), United Airlines ($418), and American Airlines ($433).

  • Can I find deals for flights from Ontario to Grand Cayman that include hotel bookings?

    Yes. In addition to deals on Ontario to Grand Cayman flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Grand Cayman?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Grand Cayman.

  • Can I find deals for business class flights from Ontario to Grand Cayman?

    Yes. Cheapflights offers flight deals from Ontario to Grand Cayman by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Grand Cayman?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Grand Cayman (average of $467). Flying from Ontario to Grand Cayman in March is currently the most expensive (average of $594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.