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Ontario

$315+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
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 March 4, 2026.

This United Airlines deal was found by Cheapflights users on 3/1. 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 4/162:59 pm
KIN
-
ONT
2 stops33h 32m
United Airlines
Thu 4/231:34 pm
ONT
-
KIN
2 stops22h 18m
United Airlines
Deal found 3/1$672
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/172:59 pm
KIN
-
ONT
2 stops33h 32m
United Airlines
Fri 4/246:05 am
ONT
-
KIN
2 stops53h 47m
United Airlines
Deal found 3/2$733
This Flysmarter deal was found by Cheapflights users on 2/27. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:34 pm
KIN
-
ONT
2 stops21h 32m
British Airways
Wed 3/185:02 pm
ONT
-
KIN
2 stops24h 10m
British Airways
Deal found 2/27$805
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Mon 4/132:59 pm
KIN
-
ONT
2 stops33h 32m
United Airlines
Mon 4/206:05 am
ONT
-
KIN
2 stops29h 47m
United Airlines
Deal found 2/27$823
This Delta deal was found by Cheapflights users on 2/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:00 am
KIN
-
ONT
1 stop14h 00m
Delta
Wed 4/297:05 am
ONT
-
KIN
1 stop10h 55m
Delta
Deal found 2/27$889
This Delta deal was found by Cheapflights users on 2/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/149:00 am
KIN
-
ONT
1 stop14h 00m
Delta
Wed 3/186:00 am
ONT
-
KIN
2 stops36h 00m
Delta
Deal found 2/27$990
This JetBlue deal was found by Cheapflights users on 3/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:05 am
KIN
-
ONT
1 stop15h 35m
JetBlue
Mon 6/2211:59 pm
ONT
-
KIN
1 stop13h 31m
JetBlue
Deal found 3/1$1,287

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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$672
(United Airlines)

One-way from

$315
(American Airlines)

Popular in

August

Cheapest in

December

Average price

$520
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 ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 4, 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

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 4/16

2:59 pm-10:31 pm

2 stops33h 32m

Ontario

Thu 4/23

1:34 pm-1:52 pm

2 stops22h 18m

$672

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 4/17

2:59 pm-10:31 pm

2 stops33h 32m

Ontario

Fri 4/24

6:05 am-1:52 pm

2 stops53h 47m

$733

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 4/16

9:00 am-9:00 pm

1 stop14h 00m

Ontario

Wed 4/29

7:05 am-8:00 pm

1 stop10h 55m

$889

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 3/14

9:00 am-9:00 pm

1 stop14h 00m

Ontario

Wed 3/18

10:25 pm-8:00 pm

1 stop19h 35m

$990

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 6/19

9:05 am-10:40 pm

1 stop15h 35m

Ontario

Mon 6/22

11:59 pm-3:30 pm

1 stop13h 31m

$1,287

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Tue 4/21

2:59 pm-9:50 pm

2 stops32h 51m

$404

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Tue 6/2

2:59 pm-10:46 pm

2 stops33h 47m

$404

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Tue 6/2

11:59 pm-8:45 pm

1 stop22h 46m

$475

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 3/20

9:00 am-9:00 pm

1 stop14h 00m

$476

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 3/25

9:00 am-9:00 pm

1 stop14h 00m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 March.
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.

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, May is the cheapest month in which you can book a flight from Kingston to Ontario (average of $238). 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?

    United Airlines and Delta can get you from Kingston to Ontario in just under 14h. Your travel time can differ by up to 19h 32m. 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.

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

    Currently, May is the cheapest month in which you can book a flight from Kingston to Ontario (average of $238). 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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