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$303+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
Mar 17 — Mar 241
Mon 3/17
Mon 3/24
1 adult, Economy
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Cheap 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 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$548
(American Airlines)

One-way from

$303
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$525
Provider with most accurate pricing for Kingston Norman Manley-Ontario flight deals.
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Provider most trusted by Cheapflights users for Kingston Norman Manley-Ontario flights.
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From Kingston Norman Manley to Ontario
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One-way flight from Kingston Norman Manley to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 12, 2025.

This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1812:46 pmKIN - ONT
2 stops23h 08mAmerican Airlines
Fri 4/2511:59 pmONT - KIN
2 stops17h 41mAmerican Airlines
Deal found 3/11$548
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/269:00 amKIN - ONT
2 stops15h 05mDelta
Sat 5/37:00 amONT - KIN
1 stop11h 00mDelta
Deal found 3/11$672
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/261:39 pmKIN - ONT
3 stops35h 34mMultiple Airlines
Fri 5/21:09 amONT - KIN
3 stops15h 43mMultiple Airlines
Deal found 3/11$991

Find flights from Kingston to Ontario within your budget

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 12, 2025.

Fly from

Kingston

Fly to

Ontario

Route

Depart

Return

Price

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Fri 4/18

12:46 pm-9:54 am

2 stops23h 08m

Ontario

Fri 4/25

11:59 pm-7:40 pm

2 stops17h 41m

$548

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 4/26

9:00 am-10:05 pm

2 stops15h 05m

Ontario

Sat 5/3

7:00 am-8:00 pm

1 stop11h 00m

$672

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 4/26

1:39 pm-11:13 pm

3 stops35h 34m

Ontario

Fri 5/2

1:09 am-6:52 pm

3 stops15h 43m

$991

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 4/26

1:39 pm-7:54 am

2 stops20h 15m

$303

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Sat 4/26

9:00 am-7:28 pm

1 stop12h 28m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

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
eDreamsPrice 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.

Travel insights for flights from Kingston to Ontario

Get recent, data-driven insights about flights from Kingston to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Kingston to Ontario?

Currently, August is the cheapest month in which you can book a flight from Kingston to Ontario (average of $246). Flying from Kingston to Ontario in March is currently the most expensive (average of $321). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated March 12, 2025.
Delta
8.0
Very good
7,953 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
7,953 reviews
Delta
8.0
Very good
7,953 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,953 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Kingston to Ontario round-trip?

    According to our current data, American Airlines ($548), and Delta ($672) offers the cheapest pricing from Kingston to Ontario.

  • 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, August is the cheapest month in which you can book a flight from Kingston to Ontario (average of $246). Flying from Kingston to Ontario in March is currently the most expensive (average of $321). 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.

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