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Kingston

$342+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KIN
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This American Airlines deal was found by Cheapflights users on 2/12. 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 4/212:22 pm
ONT
-
KIN
2 stops19h 00m
American Airlines
Thu 4/302:27 pm
KIN
-
ONT
2 stops21h 42m
American Airlines
Deal found 2/12$552
This American Airlines deal was found by Cheapflights users on 2/12. 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 4/17:59 pm
ONT
-
KIN
2 stops11h 23m
American Airlines
Tue 6/212:41 pm
KIN
-
ONT
2 stops22h 15m
American Airlines
Deal found 2/12$600
This American Airlines deal was found by Cheapflights users on 2/12. 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 4/212:22 pm
ONT
-
KIN
2 stops19h 00m
American Airlines
Wed 4/87:00 am
KIN
-
ONT
2 stops18h 46m
American Airlines
Deal found 2/12$627
This American Airlines deal was found by Cheapflights users on 2/10. 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 4/1111:59 pm
ONT
-
KIN
2 stops16h 57m
American Airlines
Wed 4/157:00 am
KIN
-
ONT
2 stops18h 46m
American Airlines
Deal found 2/10$660
This American Airlines deal was found by Cheapflights users on 2/10. 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 4/102:08 pm
ONT
-
KIN
2 stops21h 14m
American Airlines
Wed 4/157:00 am
KIN
-
ONT
2 stops18h 46m
American Airlines
Deal found 2/10$705
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/116:00 am
ONT
-
KIN
2 stops29h 51m
United Airlines
Mon 3/163:00 pm
KIN
-
ONT
2 stops33h 18m
United Airlines
Deal found 2/11$745
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/29:06 pm
ONT
-
KIN
2 stops13h 45m
United Airlines
Mon 3/93:00 pm
KIN
-
ONT
2 stops23h 18m
United Airlines
Deal found 2/10$803
This Priceline deal was found by Cheapflights users on 2/10. 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 7/2911:59 pm
ONT
-
KIN
1 stop18h 33m
JetBlue
Mon 8/1011:59 pm
KIN
-
ONT
1 stop24h 41m
JetBlue
Deal found 2/10$821
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:56 pm
ONT
-
KIN
1 stop17h 38m
JetBlue
Wed 10/149:05 am
KIN
-
ONT
1 stop14h 24m
JetBlue
Deal found 2/9$824
This Travelocity deal was found by Cheapflights users on 2/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:05 am
ONT
-
KIN
2 stops23h 30m
Multiple Airlines
Tue 6/29:09 am
KIN
-
ONT
1 stop15h 00m
Multiple Airlines
Deal found 2/12$874
This American Airlines deal was found by Cheapflights users on 2/12. 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 2/286:15 am
ONT
-
KIN
2 stops10h 53m
American Airlines
Wed 3/47:32 am
KIN
-
ONT
2 stops11h 47m
American Airlines
Deal found 2/12$882
This Gotogate deal was found by Cheapflights users on 2/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:00 am
ONT
-
KIN
2 stops29h 45m
Air Canada
Fri 2/272:55 pm
KIN
-
ONT
2 stops32h 55m
Air Canada
Deal found 2/10$914

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$552
(American Airlines)

One-way from

$342
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$627
Provider with most accurate pricing for Ontario-Kingston Norman Manley flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Kingston Norman Manley flights.
Search Deals
From Ontario to Kingston Norman Manley
Search Deals
One-way flight from Ontario to Kingston Norman Manley
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 13, 2026.
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

Thu 4/2

12:22 pm-9:22 am

2 stops19h 00m

Kingston Norman Manley

Thu 4/30

2:27 pm-10:09 am

2 stops21h 42m

$552

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Wed 4/1

7:59 pm-9:22 am

2 stops11h 23m

Kingston Norman Manley

Tue 6/2

12:41 pm-8:56 am

2 stops22h 15m

$600

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Thu 4/2

12:22 pm-9:22 am

2 stops19h 00m

Kingston Norman Manley

Wed 4/8

7:00 am-11:46 pm

2 stops18h 46m

$627

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sat 4/11

11:59 pm-6:56 pm

2 stops16h 57m

Kingston Norman Manley

Wed 4/15

7:00 am-11:46 pm

2 stops18h 46m

$660

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Fri 4/10

2:08 pm-1:22 pm

2 stops21h 14m

Kingston Norman Manley

Wed 4/15

7:00 am-11:46 pm

2 stops18h 46m

$705

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Wed 3/11

6:00 am-1:51 pm

2 stops29h 51m

Kingston Norman Manley

Mon 3/16

3:00 pm-10:18 pm

2 stops33h 18m

$745

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Mon 3/2

9:06 pm-1:51 pm

2 stops13h 45m

Kingston Norman Manley

Mon 3/9

3:00 pm-12:18 pm

2 stops23h 18m

$803

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Wed 7/29

11:59 pm-8:32 pm

1 stop18h 33m

Kingston Norman Manley

Mon 8/10

11:59 pm-10:40 pm

1 stop24h 41m

$821

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sat 2/28

6:15 am-8:08 pm

2 stops10h 53m

Kingston Norman Manley

Wed 3/4

7:32 am-4:19 pm

2 stops11h 47m

$882

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Tue 2/24

5:00 am-1:45 pm

2 stops29h 45m

Kingston Norman Manley

Fri 2/27

2:55 pm-8:50 pm

2 stops32h 55m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 22 results
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Compare providers for flights from Ontario to Kingston

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 Ontario to Kingston in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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 Ontario-Kingston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Kingston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Kingston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Kingston 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 Ontario-Kingston 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 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, October is the cheapest month in which you can book a flight from Ontario to Kingston (average of $213). Flying from Ontario to Kingston in June is currently the most expensive (average of $415). 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 $552, American Airlines can have you in Kingston from Ontario in 19h. The distance from Ontario to Kingston is about 2744 mi.

  • 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, October is the cheapest month in which you can book a flight from Ontario to Kingston (average of $213). Flying from Ontario to Kingston in June is currently the most expensive (average of $415). 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

Traveling to a place near Kingston?

Book flights to Kingston if you plan to visit one of these locations
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