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Ontario

$435+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
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 19, 2026.

This American Airlines deal was found by Cheapflights users on 3/19. 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 stops16h 07m
American Airlines
Wed 5/2711:59 pm
ONT
-
KIN
2 stops14h 09m
American Airlines
Deal found 3/19$688
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/102:59 pm
KIN
-
ONT
2 stops28h 53m
United Airlines
Tue 5/196:00 am
ONT
-
KIN
2 stops29h 54m
United Airlines
Deal found 3/17$733
This United Airlines deal was found by Cheapflights users on 3/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:59 pm
KIN
-
ONT
2 stops34h 00m
United Airlines
Wed 5/66:00 am
ONT
-
KIN
2 stops29h 54m
United Airlines
Deal found 3/15$734
This Expedia deal was found by Cheapflights users on 3/19. 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.
Thu 5/142:36 pm
KIN
-
ONT
1 stop33h 33m
JetBlue
Wed 5/2710:00 pm
ONT
-
KIN
1 stop22h 45m
JetBlue
Deal found 3/19$742
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:59 pm
KIN
-
ONT
2 stops23h 13m
United Airlines
Sat 6/65:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Deal found 3/17$756
This Priceline deal was found by Cheapflights users on 3/16. 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.
Wed 5/205:10 am
KIN
-
ONT
1 stop18h 59m
JetBlue
Tue 5/2610:00 pm
ONT
-
KIN
1 stop18h 45m
JetBlue
Deal found 3/16$761
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:59 pm
KIN
-
ONT
2 stops32h 59m
United Airlines
Fri 5/225:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Deal found 3/17$789
This FlightHub deal was found by Cheapflights users on 3/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:05 am
KIN
-
ONT
1 stop13h 40m
JetBlue
Sat 6/610:00 pm
ONT
-
KIN
1 stop31h 55m
JetBlue
Deal found 3/17$811
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:59 pm
KIN
-
ONT
2 stops52h 29m
United Airlines
Tue 5/265:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Deal found 3/16$862
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/203:00 pm
KIN
-
ONT
2 stops33h 18m
United Airlines
Tue 3/3111:05 am
ONT
-
KIN
2 stops24h 47m
United Airlines
Deal found 3/17$875
This Priceline deal was found by Cheapflights users on 3/17. 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.
Fri 5/155:10 am
KIN
-
ONT
1 stop18h 59m
JetBlue
Fri 5/2210:00 pm
ONT
-
KIN
1 stop18h 45m
JetBlue
Deal found 3/17$909
This Priceline deal was found by Cheapflights users on 3/18. 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.
Fri 8/289:05 am
KIN
-
ONT
1 stop15h 35m
JetBlue
Wed 9/211:59 pm
ONT
-
KIN
1 stop15h 36m
JetBlue
Deal found 3/18$942

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 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$733
(United Airlines)

One-way from

$435
(United Airlines)

Popular in

August

Cheapest in

March

Average price

$463
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. 9% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 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 19, 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
Quickest round-trip

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 5/14

7:00 am-9:07 pm

2 stops16h 07m

Ontario

Wed 5/27

11:59 pm-4:08 pm

2 stops14h 09m

$688

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sun 5/10

2:59 pm-5:52 pm

2 stops28h 53m

Ontario

Tue 5/19

6:00 am-1:54 pm

2 stops29h 54m

$733

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 4/29

2:59 pm-10:59 pm

2 stops34h 00m

Ontario

Wed 5/6

6:00 am-1:54 pm

2 stops29h 54m

$734

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 5/14

2:36 pm-10:09 pm

1 stop33h 33m

Ontario

Wed 5/27

10:00 pm-10:45 pm

1 stop22h 45m

$742

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 5/23

2:59 pm-12:12 pm

2 stops23h 13m

Ontario

Sat 6/6

5:45 am-1:54 pm

2 stops30h 09m

$756

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 5/15

2:59 pm-9:58 pm

2 stops32h 59m

Ontario

Fri 5/22

5:45 am-1:54 pm

2 stops30h 09m

$789

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 5/23

9:05 am-8:45 pm

1 stop13h 40m

Ontario

Sat 6/6

10:00 pm-7:55 am

1 stop31h 55m

$811

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 5/20

2:59 pm-5:28 pm

2 stops52h 29m

Ontario

Tue 5/26

5:45 am-1:54 pm

2 stops30h 09m

$862

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 5/15

5:10 am-10:09 pm

1 stop18h 59m

Ontario

Fri 5/22

10:00 pm-6:45 pm

1 stop18h 45m

$909

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 8/28

9:05 am-10:40 pm

1 stop15h 35m

Ontario

Wed 9/2

11:59 pm-5:35 pm

1 stop15h 36m

$942

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

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 $477). 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 JetBlue can get you from Kingston to Ontario in just under 18h 59m. Your travel time can differ by up to 9h 54m. 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 $477). 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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