HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$601+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kingston to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 29, 2026.

This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 8/122:56 pm
KIN
-
ONT
2 stops33h 39m
United Airlines
Wed 8/195:00 am
ONT
-
KIN
2 stops30h 54m
United Airlines
Deal found 6/28$750
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:56 pm
KIN
-
ONT
2 stops32h 59m
United Airlines
Wed 7/225:00 am
ONT
-
KIN
2 stops30h 54m
United Airlines
Deal found 6/23$756
This JetBlue deal was found by Cheapflights users on 6/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:30 am
KIN
-
ONT
1 stop15h 05m
JetBlue
Tue 8/1811:59 pm
ONT
-
KIN
1 stop16h 43m
JetBlue
Deal found 6/28$759
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:03 pm
KIN
-
ONT
2 stops18h 26m
American Airlines
Tue 9/12:27 pm
ONT
-
KIN
2 stops23h 59m
American Airlines
Deal found 6/28$802
This Travelocity deal was found by Cheapflights users on 6/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:18 am
KIN
-
ONT
1 stop22h 17m
JetBlue
Tue 9/111:59 pm
ONT
-
KIN
1 stop16h 43m
JetBlue
Deal found 6/28$831
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/92:56 pm
KIN
-
ONT
2 stops33h 55m
United Airlines
Tue 7/145:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Deal found 6/28$846
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 7/152:56 pm
KIN
-
ONT
2 stops32h 59m
United Airlines
Sun 7/265:45 am
ONT
-
KIN
2 stops30h 09m
United Airlines
Deal found 6/28$902
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 7/152:56 pm
KIN
-
ONT
3 stops23h 16m
United Airlines
Tue 9/11:56 pm
ONT
-
KIN
2 stops21h 58m
United Airlines
Deal found 6/28$905
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:40 pm
KIN
-
ONT
2 stops11h 52m
American Airlines
Fri 7/1711:59 pm
ONT
-
KIN
2 stops13h 56m
American Airlines
Deal found 6/27$971
This JetBlue deal was found by Cheapflights users on 6/27. 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.
Mon 7/139:45 pm
KIN
-
ONT
1 stop26h 50m
JetBlue
Fri 7/1711:51 pm
ONT
-
KIN
1 stop18h 26m
JetBlue
Deal found 6/27$975
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 8/82:56 pm
KIN
-
ONT
2 stops32h 59m
United Airlines
Sat 8/295:00 am
ONT
-
KIN
2 stops30h 54m
United Airlines
Deal found 6/25$1,090

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 June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$750
(United Airlines)

One-way from

$601
(JetBlue)

Popular in

May

Cheapest in

March

Average price

$678
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. 13% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 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 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 June 29, 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

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 8/12

2:56 pm-10:35 pm

2 stops33h 39m

Ontario

Wed 8/19

5:00 am-1:54 pm

2 stops30h 54m

$750

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 7/8

2:56 pm-9:55 pm

2 stops32h 59m

Ontario

Wed 7/22

5:00 am-1:54 pm

2 stops30h 54m

$756

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 7/15

5:03 pm-9:29 am

2 stops18h 26m

Ontario

Tue 9/1

2:27 pm-4:26 pm

2 stops23h 59m

$802

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 7/9

2:56 pm-10:51 pm

2 stops33h 55m

Ontario

Tue 7/14

5:45 am-1:54 pm

2 stops30h 09m

$846

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 7/15

2:56 pm-9:55 pm

2 stops32h 59m

Ontario

Sun 7/26

5:45 am-1:54 pm

2 stops30h 09m

$902
Quickest round-trip

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Mon 7/13

12:40 pm-10:32 pm

2 stops11h 52m

Ontario

Fri 7/17

11:59 pm-3:55 pm

2 stops13h 56m

$971

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Mon 7/13

9:45 pm-10:35 pm

1 stop26h 50m

Ontario

Fri 7/17

11:51 pm-8:17 pm

1 stop18h 26m

$975

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 8/8

2:56 pm-9:55 pm

2 stops32h 59m

Ontario

Sat 8/29

5:00 am-1:54 pm

2 stops30h 54m

$1,090

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Tue 7/28

9:30 am-10:35 pm

1 stop15h 05m

Ontario

Wed 7/29

11:51 pm-8:17 pm

1 stop18h 26m

$1,206

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Thu 8/6

9:05 am-10:38 pm

1 stop15h 33m

Ontario

Fri 8/7

11:59 pm-6:42 pm

1 stop16h 43m

$1,607

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 16 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 June.
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.

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 American Airlines can get you from Kingston to Ontario in just under 18h 26m. Your travel time can differ by up to 15h 13m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.