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$496+ Cheap flights from Kingston (KIN) to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This American Airlines deal was found by Cheapflights users on 11/24. 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 12/186:25 amKIN - ONT
2 stops18h 31mAmerican Airlines
Tue 12/3010:40 pmONT - KIN
2 stops21h 11mAmerican Airlines
Deal found 11/24$496
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Sun 12/213:48 pmKIN - ONT
2 stops20h 00mAmerican Airlines
Mon 12/292:42 pmONT - KIN
2 stops21h 06mAmerican Airlines
Deal found 11/24$501
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Sat 12/2011:41 amKIN - ONT
2 stops25h 14mAmerican Airlines
Sun 12/286:10 amONT - KIN
2 stops29h 38mAmerican Airlines
Deal found 11/24$505
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Sun 12/216:25 amKIN - ONT
2 stops20h 21mAmerican Airlines
Sun 12/286:10 amONT - KIN
2 stops29h 38mAmerican Airlines
Deal found 11/24$510
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Wed 12/2410:13 amKIN - ONT
2 stops25h 34mAmerican Airlines
Wed 12/314:47 pmONT - KIN
2 stops14h 25mAmerican Airlines
Deal found 11/25$541
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Fri 12/193:48 pmKIN - ONT
2 stops20h 00mAmerican Airlines
Tue 12/3010:40 pmONT - KIN
2 stops21h 11mAmerican Airlines
Deal found 11/24$635
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Sun 12/216:00 pmKIN - ONT
2 stops17h 48mAmerican Airlines
Sat 12/276:10 amONT - KIN
2 stops25h 02mAmerican Airlines
Deal found 11/24$640
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Fri 12/193:48 pmKIN - ONT
2 stops21h 07mAmerican Airlines
Sun 12/286:10 amONT - KIN
2 stops29h 38mAmerican Airlines
Deal found 11/24$644
This American Airlines deal was found by Cheapflights users on 11/23. 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.
Fri 12/53:06 pmKIN - ONT
2 stops23h 47mAmerican Airlines
Mon 12/810:34 pmONT - KIN
2 stops12h 32mAmerican Airlines
Deal found 11/23$739
This Delta deal was found by Cheapflights users on 11/25. 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.
Wed 12/249:00 amKIN - ONT
1 stop13h 50mDelta
Wed 12/317:05 amONT - KIN
1 stop9h 51mDelta
Deal found 11/25$766
This Delta deal was found by Cheapflights users on 11/24. 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.
Wed 12/249:00 amKIN - ONT
1 stop13h 50mDelta
Fri 12/2610:29 pmONT - KIN
1 stop18h 27mDelta
Deal found 11/24$773
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Fri 12/196:00 pmKIN - ONT
2 stops18h 55mAmerican Airlines
Sat 12/277:10 amONT - KIN
2 stops24h 02mAmerican Airlines
Deal found 11/24$774

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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$496
(American Airlines)

Popular in

May

Cheapest in

October

Average price

$515
Provider with most accurate pricing for Kingston Norman Manley-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kingston Norman Manley-Ontario flights.
Search Deals
From Kingston Norman Manley to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 26, 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

Tue 12/23

6:00 pm-4:07 pm

2 stops25h 07m

Ontario

Tue 12/30

10:40 pm-10:51 pm

2 stops21h 11m

$496

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Mon 12/22

6:00 pm-6:16 pm

2 stops27h 16m

Ontario

Mon 12/29

2:42 pm-5:05 pm

2 stops23h 23m

$496

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Tue 12/23

6:00 pm-4:07 pm

2 stops25h 07m

Ontario

Mon 12/29

2:42 pm-5:05 pm

2 stops23h 23m

$496

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 12/18

6:25 am-9:56 pm

2 stops18h 31m

Ontario

Tue 12/30

10:40 pm-10:51 pm

2 stops21h 11m

$496

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sun 12/21

3:48 pm-8:48 am

2 stops20h 00m

Ontario

Mon 12/29

2:42 pm-2:48 pm

2 stops21h 06m

$501

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 1/29

3:32 pm-12:03 pm

2 stops23h 31m

Ontario

Mon 2/2

3:09 pm-2:03 pm

2 stops19h 54m

$507

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 12/24

9:00 am-7:50 pm

1 stop13h 50m

Ontario

Wed 12/31

7:05 am-7:56 pm

1 stop9h 51m

$766

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 12/24

9:00 am-7:50 pm

1 stop13h 50m

Ontario

Mon 12/29

10:29 pm-7:56 pm

1 stop18h 27m

$773

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 12/24

9:00 am-7:50 pm

1 stop13h 50m

Ontario

Tue 12/30

7:05 am-7:56 pm

1 stop9h 51m

$773

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 12/20

11:41 am-9:55 am

2 stops25h 14m

Ontario

Fri 12/26

11:59 pm-2:48 pm

2 stops11h 49m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 11 results
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Compare providers for flights from Kingston to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kingston to Ontario in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kingston-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kingston-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kingston-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kingston-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kingston-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, July is the cheapest month in which you can book a flight from Kingston to Ontario (average of $260). Flying from Kingston to Ontario in June is currently the most expensive (average of $471). 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?

    American Airlines can get you from Kingston to Ontario in just under 25h 07m. 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, July is the cheapest month in which you can book a flight from Kingston to Ontario (average of $260). Flying from Kingston to Ontario in June is currently the most expensive (average of $471). 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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