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Ontario

$428+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap 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 April 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/26. 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.
Thu 6/42:59 pm
KIN
-
ONT
2 stops32h 56m
United Airlines
Wed 6/105:00 am
ONT
-
KIN
2 stops30h 54m
United Airlines
Deal found 4/26$827
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/147:00 am
KIN
-
ONT
2 stops17h 40m
American Airlines
Mon 5/1811:59 pm
ONT
-
KIN
2 stops16h 55m
American Airlines
Deal found 4/29$828
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 5/256:21 am
KIN
-
ONT
2 stops17h 36m
American Airlines
Mon 6/110:00 pm
ONT
-
KIN
2 stops16h 09m
American Airlines
Deal found 4/27$832
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 6/62:59 pm
KIN
-
ONT
2 stops33h 38m
United Airlines
Thu 6/115:00 am
ONT
-
KIN
2 stops30h 54m
United Airlines
Deal found 4/27$846
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 8/182:56 pm
KIN
-
ONT
2 stops23h 16m
United Airlines
Wed 9/29:01 am
ONT
-
KIN
2 stops26h 53m
United Airlines
Deal found 4/27$856
This Delta deal was found by Cheapflights users on 4/26. 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.
Mon 5/119:00 am
KIN
-
ONT
1 stop11h 36m
Delta
Fri 5/157:05 am
ONT
-
KIN
1 stop10h 55m
Delta
Deal found 4/26$869
This Justfly.com deal was found by Cheapflights users on 4/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:59 pm
KIN
-
ONT
1 stop22h 48m
JetBlue
Sun 5/3110:41 pm
ONT
-
KIN
1 stop22h 07m
JetBlue
Deal found 4/25$891
This lol.travel deal was found by Cheapflights users on 4/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:10 am
KIN
-
ONT
1 stop19h 00m
JetBlue
Mon 5/1811:25 pm
ONT
-
KIN
1 stop22h 55m
JetBlue
Deal found 4/29$900
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:57 pm
KIN
-
ONT
2 stops31h 19m
United Airlines
Wed 10/286:00 am
ONT
-
KIN
2 stops29h 53m
United Airlines
Deal found 4/25$974
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 9/182:57 pm
KIN
-
ONT
2 stops34h 01m
United Airlines
Wed 9/309:39 am
ONT
-
KIN
2 stops26h 19m
United Airlines
Deal found 4/30$999

Find 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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$827
(United Airlines)

One-way from

$428
(United Airlines)

Popular in

May

Cheapest in

March

Average price

$602
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
One-way flight from Kingston Norman Manley to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 30, 2026.
Use the filters below to find and compare flights from Kingston to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 5/14

7:00 am-10:40 pm

2 stops17h 40m

Ontario

Mon 5/18

11:59 pm-6:54 pm

2 stops16h 55m

$828

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 6/6

2:59 pm-10:37 pm

2 stops33h 38m

Ontario

Thu 6/11

5:00 am-1:54 pm

2 stops30h 54m

$846

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Tue 8/18

2:56 pm-12:12 pm

2 stops23h 16m

Ontario

Wed 9/2

9:01 am-1:54 pm

2 stops26h 53m

$856
Quickest round-trip

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Mon 5/11

9:00 am-6:36 pm

1 stop11h 36m

Ontario

Fri 5/15

7:05 am-8:00 pm

1 stop10h 55m

$869

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 6/5

9:02 am-8:47 pm

1 stop13h 45m

Ontario

Mon 6/8

10:41 pm-11:10 am

1 stop10h 29m

$872

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 5/14

5:10 am-10:10 pm

1 stop19h 00m

Ontario

Mon 5/18

11:25 pm-12:20 am

1 stop22h 55m

$900

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Mon 10/19

2:57 pm-8:16 pm

2 stops31h 19m

Ontario

Wed 10/28

6:00 am-1:53 pm

2 stops29h 53m

$974

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 9/18

2:57 pm-10:58 pm

2 stops34h 01m

Ontario

Wed 9/30

9:39 am-1:58 pm

2 stops26h 19m

$999

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Mon 5/25

3:05 pm-5:28 pm

2 stops28h 23m

Ontario

Mon 6/1

10:41 pm-10:48 pm

1 stop22h 07m

$1,144

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 7/1

2:56 pm-9:55 pm

2 stops32h 59m

Ontario

Thu 8/27

5:45 am-1:54 pm

2 stops54h 09m

$1,253

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 21 resultsSorted by cheapest first
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kingston-Ontario flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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, United Airlines, and Delta can get you from Kingston to Ontario in just under 11h 36m. Your travel time can differ by up to 22h 02m. There are 2744 mi between Kingston and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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