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Kingston

$344+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KIN
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
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 June 24, 2026.

This United Airlines deal was found by Cheapflights users on 6/22. 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 8/191:56 pm
ONT
-
KIN
2 stops21h 58m
United Airlines
Wed 9/22:57 pm
KIN
-
ONT
2 stops23h 15m
United Airlines
Deal found 6/22$777
This Priceline deal was found by Cheapflights users on 6/20. 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.
Sat 9/511:24 pm
ONT
-
KIN
1 stop22h 10m
JetBlue
Mon 9/79:45 pm
KIN
-
ONT
1 stop26h 50m
JetBlue
Deal found 6/20$782
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/55:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Thu 8/202:56 pm
KIN
-
ONT
2 stops31h 05m
United Airlines
Deal found 6/22$783
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/125:00 am
ONT
-
KIN
2 stops30h 54m
United Airlines
Wed 8/192:56 pm
KIN
-
ONT
2 stops23h 16m
United Airlines
Deal found 6/22$786
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 9/297:05 am
ONT
-
KIN
1 stop11h 05m
Delta
Mon 10/59:10 am
KIN
-
ONT
1 stop10h 59m
Delta
Deal found 6/23$814
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:10 am
ONT
-
KIN
3 stops29h 44m
United Airlines
Fri 7/172:56 pm
KIN
-
ONT
2 stops32h 59m
United Airlines
Deal found 6/19$852
This United Airlines deal was found by Cheapflights users on 6/21. 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 9/216:00 am
ONT
-
KIN
2 stops29h 54m
United Airlines
Wed 9/232:57 pm
KIN
-
ONT
2 stops33h 02m
United Airlines
Deal found 6/21$858
This United Airlines deal was found by Cheapflights users on 6/20. 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 7/215:00 am
ONT
-
KIN
2 stops30h 54m
United Airlines
Wed 7/292:56 pm
KIN
-
ONT
2 stops32h 59m
United Airlines
Deal found 6/20$861
This Priceline deal was found by Cheapflights users on 6/20. 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.
Sun 8/211:58 pm
ONT
-
KIN
1 stop18h 19m
JetBlue
Mon 8/312:30 am
KIN
-
ONT
1 stop22h 05m
JetBlue
Deal found 6/20$863
This United Airlines deal was found by Cheapflights users on 6/21. 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 8/55:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Thu 8/132:56 pm
KIN
-
ONT
2 stops53h 16m
United Airlines
Deal found 6/21$866
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 9/297:05 am
ONT
-
KIN
1 stop11h 05m
Delta
Tue 10/69:00 am
KIN
-
ONT
1 stop11h 18m
Delta
Deal found 6/23$881
This Priceline deal was found by Cheapflights users on 6/20. 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.
Sun 8/1611:59 pm
ONT
-
KIN
1 stop21h 19m
JetBlue
Mon 8/319:45 pm
KIN
-
ONT
1 stop26h 52m
JetBlue
Deal found 6/20$890

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 June 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$777
(United Airlines)

One-way from

$344
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$752
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. 12% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 24, 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

Wed 8/19

1:56 pm-1:54 pm

2 stops21h 58m

Kingston Norman Manley

Wed 9/16

2:57 pm-12:12 pm

2 stops23h 15m

$777

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Wed 8/19

1:56 pm-1:54 pm

2 stops21h 58m

Kingston Norman Manley

Wed 9/2

2:57 pm-12:12 pm

2 stops23h 15m

$777

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sat 7/11

5:45 am-1:54 pm

2 stops30h 09m

Kingston Norman Manley

Fri 7/17

2:56 pm-9:55 pm

2 stops32h 59m

$782

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Wed 8/12

5:00 am-1:54 pm

2 stops30h 54m

Kingston Norman Manley

Wed 8/19

2:56 pm-12:12 pm

2 stops23h 16m

$786

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Mon 9/21

6:00 am-1:54 pm

2 stops29h 54m

Kingston Norman Manley

Wed 9/23

2:57 pm-9:59 pm

2 stops33h 02m

$852

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Wed 8/5

5:45 am-1:54 pm

2 stops30h 09m

Kingston Norman Manley

Thu 8/13

2:56 pm-6:12 pm

2 stops53h 16m

$866
Quickest round-trip

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Tue 9/29

7:05 am-8:10 pm

1 stop11h 05m

Kingston Norman Manley

Tue 10/6

9:00 am-6:18 pm

1 stop11h 18m

$881

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sun 7/5

5:45 am-1:54 pm

2 stops30h 09m

Kingston Norman Manley

Sun 7/19

2:56 pm-9:55 pm

2 stops32h 59m

$982

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Sun 8/2

5:45 am-1:54 pm

2 stops30h 09m

Kingston Norman Manley

Tue 9/1

2:57 pm-8:01 pm

2 stops31h 04m

$989

OntarioKingston

ONT - KIN

ONTKIN

Ontario

Mon 7/27

11:51 pm-11:50 pm

1 stop21h 59m

Kingston Norman Manley

Fri 7/31

2:18 am-9:59 pm

1 stop21h 41m

$996

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 20 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 June.
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 $777, United Airlines can have you in Kingston from Ontario in 21h 58m. 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.

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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