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Kingston

$359+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KIN
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
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 May 29, 2026.

This United Airlines deal was found by Cheapflights users on 5/25. 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.
Tue 8/251:56 pm
ONT
-
KIN
2 stops21h 58m
United Airlines
Sun 8/302:56 pm
KIN
-
ONT
2 stops23h 16m
United Airlines
Deal found 5/25$767
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Fri 5/295:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Sun 5/312:59 pm
KIN
-
ONT
2 stops32h 56m
United Airlines
Deal found 5/25$777
This United Airlines deal was found by Cheapflights users on 5/28. 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 5/281:50 pm
ONT
-
KIN
2 stops22h 04m
United Airlines
Sun 5/312:59 pm
KIN
-
ONT
2 stops32h 56m
United Airlines
Deal found 5/28$814
This American Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 8/138:01 pm
ONT
-
KIN
2 stops18h 23m
American Airlines
Sun 8/236:05 am
KIN
-
ONT
2 stops15h 10m
American Airlines
Deal found 5/25$824
This Justfly.com deal was found by Cheapflights users on 5/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1711:51 pm
ONT
-
KIN
1 stop16h 53m
JetBlue
Fri 9/1810:10 am
KIN
-
ONT
1 stop12h 03m
JetBlue
Deal found 5/26$839
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 7/31:11 pm
ONT
-
KIN
2 stops20h 24m
American Airlines
Sun 7/126:20 am
KIN
-
ONT
2 stops19h 39m
American Airlines
Deal found 5/29$869
This JetBlue deal was found by Cheapflights users on 5/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:50 pm
ONT
-
KIN
1 stop18h 24m
JetBlue
Wed 9/910:10 am
KIN
-
ONT
1 stop12h 03m
JetBlue
Deal found 5/27$882
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 6/185:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Tue 6/232:59 pm
KIN
-
ONT
2 stops32h 56m
United Airlines
Deal found 5/25$887
This United Airlines deal was found by Cheapflights users on 5/27. 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 6/65:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Fri 6/122:59 pm
KIN
-
ONT
2 stops32h 56m
United Airlines
Deal found 5/27$897
This JetBlue deal was found by Cheapflights users on 5/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:58 pm
ONT
-
KIN
1 stop13h 36m
JetBlue
Fri 6/199:05 am
KIN
-
ONT
1 stop15h 38m
JetBlue
Deal found 5/25$899
This FlightHub deal was found by Cheapflights users on 5/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:58 pm
ONT
-
KIN
1 stop16h 46m
JetBlue
Wed 7/222:18 am
KIN
-
ONT
1 stop22h 26m
JetBlue
Deal found 5/26$920

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 May 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$767
(United Airlines)

One-way from

$359
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$679
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 ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 29, 2026.
Use the filters below to find and compare flights from Ontario to Kingston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Tue 8/25

1:56 pm-1:54 pm

2 stops21h 58m

Kingston Norman Manley

Sun 8/30

2:56 pm-12:12 pm

2 stops23h 16m

$767

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Thu 8/13

8:01 pm-4:24 pm

2 stops18h 23m

Kingston Norman Manley

Sun 8/23

6:05 am-7:15 pm

2 stops15h 10m

$824

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Fri 7/3

1:11 pm-11:35 am

2 stops20h 24m

Kingston Norman Manley

Sun 7/12

6:20 am-11:59 pm

2 stops19h 39m

$869

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sun 9/6

11:50 pm-8:14 pm

1 stop18h 24m

Kingston Norman Manley

Wed 9/9

10:10 am-8:13 pm

1 stop12h 03m

$882

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Thu 6/18

5:45 am-1:54 pm

2 stops30h 09m

Kingston Norman Manley

Tue 6/23

2:59 pm-9:55 pm

2 stops32h 56m

$887

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Fri 6/12

11:58 pm-3:34 pm

1 stop13h 36m

Kingston Norman Manley

Fri 6/19

9:05 am-10:43 pm

1 stop15h 38m

$899

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Tue 6/16

7:13 pm-4:09 pm

2 stops18h 56m

Kingston Norman Manley

Sat 6/20

6:22 am-10:02 pm

2 stops17h 40m

$949
Quickest round-trip

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Tue 6/16

11:58 pm-4:10 pm

1 stop14h 12m

Kingston Norman Manley

Sat 6/20

9:05 am-9:54 pm

1 stop14h 49m

$1,008

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Wed 10/14

6:00 am-1:58 pm

2 stops29h 58m

Kingston Norman Manley

Wed 10/21

2:57 pm-9:58 pm

2 stops33h 01m

$1,017
Cheapest one-way

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Fri 6/19

9:36 pm-7:21 pm

3 stops19h 45m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/25

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 May.
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.

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 $824, United Airlines can have you in Kingston from Ontario in 18h 23m. The distance from Ontario to Kingston is about 2744 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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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