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Kingston

$235+ Cheap flights from Ontario (ONT) to Kingston (KIN)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KIN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Ontario to Kingston

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kingston (KIN). 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 September 17, 2025.

Round-trip from

$649
(Expedia)

One-way from

$235
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$600
From Ontario to Kingston Norman Manley
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One-way flight from Ontario to Kingston Norman Manley
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Highest demand for flights based on searches. 9% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Kingston

Cheapest flights from Ontario to Kingston
Explore the most affordable flight options available from Ontario to Kingston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:56 pmONT - KIN
2 stops15h 08mJetBlue
Fri 10/172:10 amKIN - ONT
1 stop21h 19mJetBlue
Deal found 9/16$649
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:56 pmONT - KIN
2 stops15h 08mJetBlue
Fri 10/175:15 pmKIN - ONT
2 stops30h 14mJetBlue
Deal found 9/16$652
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/237:27 pmONT - KIN
2 stops13h 20mAmerican Airlines
Mon 10/277:00 amKIN - ONT
2 stops18h 59mAmerican Airlines
Deal found 9/16$696
This flugladen.de deal was found by Cheapflights users on 9/17. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:56 pmONT - KIN
1 stop18h 40mJetBlue
Thu 10/92:10 amKIN - ONT
1 stop21h 19mJetBlue
Deal found 9/17$697
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/144:49 pmONT - KIN
2 stops15h 58mAmerican Airlines
Sat 10/1811:54 amKIN - ONT
2 stops23h 25mAmerican Airlines
Deal found 9/16$776
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 11/86:00 amONT - KIN
2 stops12h 00mDelta
Sat 11/159:00 amKIN - ONT
2 stops15h 35mDelta
Deal found 9/15$816

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Kingston 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 September 17, 2025.
Use the filters below to find and compare flights from Ontario to Kingston that are best for you.

Fly from

Ontario

Fly to

Kingston

Route

Depart

Return

Price

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Tue 10/14

10:56 pm-4:04 pm

2 stops15h 08m

Kingston Norman Manley

Fri 10/17

2:10 am-9:29 pm

1 stop21h 19m

$649

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sat 11/1

10:37 pm-10:13 pm

2 stops21h 36m

Kingston Norman Manley

Sat 11/8

7:30 am-9:11 pm

2 stops16h 41m

$696

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sat 10/4

10:56 pm-7:36 pm

1 stop18h 40m

Kingston Norman Manley

Thu 10/9

2:10 am-9:29 pm

1 stop21h 19m

$697

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Tue 10/14

10:56 pm-4:04 pm

2 stops15h 08m

Kingston Norman Manley

Thu 10/16

2:10 am-9:29 pm

1 stop21h 19m

$699

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sat 11/8

6:00 am-9:00 pm

2 stops12h 00m

Kingston Norman Manley

Sat 11/15

9:00 am-9:35 pm

2 stops15h 35m

$816

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Tue 3/3

3:05 pm-11:45 am

2 stops17h 40m

Kingston Norman Manley

Thu 3/5

1:50 pm-9:31 am

2 stops22h 41m

$817

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sat 10/4

7:05 am-8:00 pm

1 stop10h 55m

Kingston Norman Manley

Fri 10/10

9:00 am-8:19 pm

1 stop13h 19m

$849

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sat 11/1

7:05 am-8:00 pm

1 stop10h 55m

Kingston Norman Manley

Sat 11/8

10:00 am-7:19 pm

1 stop12h 19m

$851

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Thu 10/30

10:05 am-11:09 am

2 stops23h 04m

$235

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Mon 10/20

10:56 pm-7:06 pm

1 stop18h 10m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
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Best time to book a flight from Ontario to Kingston

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

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Kingston (average of $425). Flying from Ontario to Kingston in December is currently the most expensive (average of $613). 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 Ontario to Kingston. 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 Ontario to Kingston?

    For as low as $649, JetBlue can have you in Kingston from Ontario in 15h 08m. The distance from Ontario to Kingston is about 2744 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Ontario to Kingston (average of $425). Flying from Ontario to Kingston in December is currently the most expensive (average of $613). 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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