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$298+ Cheap flights from Kingston (KIN) to Ontario (ONT)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
1 adult, Economy
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Cheap flight deals from Kingston to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Kingston (KIN) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 18, 2025.

Round-trip from

$641
(Trip.com)

One-way from

$298
(Kiwi.com)

Popular in

May

Cheapest in

June

Average price

$572
From Kingston Norman Manley to Ontario
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One-way flight from Kingston Norman Manley to Ontario
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Highest demand for flights based on searches. 5% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Kingston to Ontario

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

This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/99:05 amKIN - ONT
1 stop14h 24mJetBlue
lun. 9/1510:56 pmONT - KIN
1 stop17h 38mJetBlue
Deal found 8/16$641
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/87:45 pmKIN - ONT
1 stop27h 44mJetBlue
vie. 9/1910:56 pmONT - KIN
2 stops15h 09mJetBlue
Deal found 8/17$662
This Priceline deal was found by Cheapflights users on 8/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/22:10 amKIN - ONT
1 stop21h 19mJetBlue
mié. 9/1710:56 pmONT - KIN
1 stop17h 38mJetBlue
Deal found 8/16$678
This Priceline deal was found by Cheapflights users on 8/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/87:45 pmKIN - ONT
1 stop27h 44mJetBlue
sáb. 9/2010:56 pmONT - KIN
1 stop30h 57mJetBlue
Deal found 8/17$689
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/81:00 pmKIN - ONT
2 stops23h 03mAmerican Airlines
vie. 9/1910:35 pmONT - KIN
2 stops19h 03mAmerican Airlines
Deal found 8/17$700
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/212:00 pmKIN - ONT
2 stops25h 56mAmerican Airlines
sáb. 9/62:54 pmONT - KIN
2 stops18h 58mAmerican Airlines
Deal found 8/17$742

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingston to Ontario 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 agosto 18, 2025.
Use the filters below to find and compare flights from Kingston to Ontario that are best for you.

Fly from

Kingston

Fly to

Ontario

Route

Depart

Return

Price

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

mar. 9/9

9:05 am-9:29 pm

1 stop14h 24m

Ontario

lun. 9/15

10:56 pm-6:34 pm

1 stop17h 38m

$641

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

lun. 9/8

7:45 pm-9:29 pm

1 stop27h 44m

Ontario

vie. 9/19

10:56 pm-4:05 pm

2 stops15h 09m

$662

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

mar. 9/2

2:10 am-9:29 pm

1 stop21h 19m

Ontario

mié. 9/17

10:56 pm-6:34 pm

1 stop17h 38m

$678

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

lun. 9/8

7:45 pm-9:29 pm

1 stop27h 44m

Ontario

sáb. 9/20

10:56 pm-7:53 am

1 stop30h 57m

$689

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

lun. 9/8

1:00 pm-10:03 am

2 stops23h 03m

Ontario

vie. 9/19

10:35 pm-7:38 pm

2 stops19h 03m

$700

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

lun. 9/8

6:00 am-10:33 pm

2 stops18h 33m

Ontario

sáb. 9/20

2:54 pm-11:52 am

2 stops18h 58m

$700

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

mar. 9/2

12:00 pm-11:56 am

2 stops25h 56m

Ontario

sáb. 9/6

2:54 pm-11:52 am

2 stops18h 58m

$742

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

lun. 9/15

12:08 pm-7:54 pm

3 stops57h 46m

$298

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

mar. 9/16

9:05 am-9:29 pm

1 stop14h 24m

$332

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

jue. 9/18

9:16 am-9:29 pm

1 stop14h 13m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 14 results
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Best time to book a flight from Kingston to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kingston 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 Kingston to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Kingston to Ontario (average of $246). Flying from Kingston to Ontario in March is currently the most expensive (average of $328). 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.

Related info for your journey

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

  • How long is the flight from Kingston to Ontario?

    JetBlue can get you from Kingston to Ontario in just under 14h 24m. Your travel time can differ by up to . There are 2744 mi between Kingston and Ontario.

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

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

  • How can I find direct flights from Kingston to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Kingston to Ontario 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 Kingston to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Kingston to Ontario (average of $246). Flying from Kingston to Ontario in March is currently the most expensive (average of $328). 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

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