$458+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
Oct 3 — Oct 101
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
Cheapest flights from Kingston to OntarioExplore 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 September 3, 2026.
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 September 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sun 11/152:58 pm -
2 stops32h 17m
Sat 12/55:00 am -
2 stops29h 50m
Deal found 9/2![United Airlines logo]()
$804
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 12/201:09 pm -
2 stops13h 48m
Fri 1/12:22 pm -
2 stops18h 47m
Deal found 8/30![American Airlines logo]()
$893
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 10/185:03 pm -
2 stops22h 27m
Sun 10/2510:10 pm -
2 stops10h 47m
Deal found 9/3![American Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/272:57 pm -
2 stops34h 02m
Sun 10/46:00 am -
2 stops29h 55m
Deal found 8/30![United Airlines logo]()
$985
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/271:09 pm -
2 stops22h 20m
Sun 10/411:59 pm -
2 stops13h 59m
Deal found 8/30![American Airlines logo]()
$989
This Delta deal was found by Cheapflights users on 9/3. 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.
Sun 10/189:15 am -
1 stop14h 39m
Sun 10/2511:15 pm -
1 stop19h 00m
Deal found 9/3![Delta logo]()
$1,079
This Delta deal was found by Cheapflights users on 8/30. 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.
Sun 9/279:10 am -
1 stop12h 19m
Sun 10/47:05 am -
1 stop11h 05m
Deal found 8/30![Delta logo]()
$1,094
This Delta deal was found by Cheapflights users on 8/30. 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 9/159:10 am -
1 stop13h 14m
Sat 9/197:05 am -
1 stop11h 05m
Deal found 8/30![Delta logo]()
$1,264
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 9/151:09 pm -
2 stops11h 28m
Sat 9/196:00 am -
2 stops28h 04m
Deal found 8/30![American Airlines logo]()
$1,274
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 9/145:08 pm -
2 stops28h 59m
Fri 9/187:20 am -
2 stops26h 44m
Deal found 8/29![American Airlines logo]()
$1,277
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/172:57 pm -
2 stops33h 02m
Sat 10/246:00 am -
2 stops29h 55m
Deal found 9/1![United Airlines logo]()
$1,278
Best flights from Kingston to OntarioDiscover carefully curated flight deals from Kingston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from Kingston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sun 11/152:58 pm -
2 stops32h 17m
Sat 12/55:00 am -
2 stops29h 50m
Deal found 9/2![United Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 9/3. 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.
Sun 10/189:15 am -
1 stop14h 39m
Sun 10/2511:15 pm -
1 stop19h 00m
Deal found 9/3![Delta logo]()
$1,079
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 9/145:08 pm -
2 stops28h 59m
Fri 9/187:20 am -
2 stops26h 44m
Deal found 8/29![American Airlines logo]()
$1,277
This Delta deal was found by Cheapflights users on 8/30. 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.
Sun 9/279:10 am -
1 stop12h 19m
Sun 10/47:05 am -
1 stop11h 05m
Deal found 8/30![Delta logo]()
$1,094
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/172:57 pm -
2 stops33h 02m
Sat 10/246:00 am -
2 stops29h 55m
Deal found 9/1![United Airlines logo]()
$1,278
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 10/182:57 pm -
3 stops23h 49m
Sun 10/256:00 am -
2 stops29h 55m
Deal found 9/3![United Airlines logo]()
$1,286
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:10 am -
1 stop15h 14m
Fri 9/181:04 pm -
2 stops29h 06m
Deal found 8/29![Delta logo]()
$1,486
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/272:57 pm -
2 stops34h 02m
Sun 10/49:25 am -
3 stops50h 30m
Deal found 8/30![United Airlines logo]()
$1,589
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/271:09 pm -
2 stops12h 27m
Sun 10/411:59 pm -
3 stops13h 59m
Deal found 8/30![American Airlines logo]()
$2,773
Last-minute flights from Kingston to OntarioDiscover last-minute flight deals from Kingston to Ontario. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Kingston to Ontario. Data last updated September 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 9/145:08 pm -
2 stops28h 59m
Fri 9/187:20 am -
2 stops26h 44m
Deal found 8/29![American Airlines logo]()
$1,277
This Delta deal was found by Cheapflights users on 8/30. 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 9/159:10 am -
1 stop13h 14m
Sat 9/197:05 am -
1 stop11h 05m
Deal found 8/30![Delta logo]()
$1,264
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 9/151:09 pm -
2 stops11h 28m
Sat 9/196:00 am -
2 stops28h 04m
Deal found 8/30![American Airlines logo]()
$1,274
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/272:57 pm -
2 stops34h 02m
Sun 10/46:00 am -
2 stops29h 55m
Deal found 8/30![United Airlines logo]()
$985
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/271:09 pm -
2 stops22h 20m
Sun 10/411:59 pm -
2 stops13h 59m
Deal found 8/30![American Airlines logo]()
$989
This Delta deal was found by Cheapflights users on 8/30. 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.
Sun 9/279:10 am -
1 stop12h 19m
Sun 10/47:05 am -
1 stop11h 05m
Deal found 8/30![Delta logo]()
$1,094
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/172:57 pm -
2 stops33h 02m
Sat 10/246:00 am -
2 stops29h 55m
Deal found 9/1![United Airlines logo]()
$1,278
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 10/185:03 pm -
2 stops22h 27m
Sun 10/2510:10 pm -
2 stops10h 47m
Deal found 9/3![American Airlines logo]()
$924
This Delta deal was found by Cheapflights users on 9/3. 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.
Sun 10/189:15 am -
1 stop14h 39m
Sun 10/2511:15 pm -
1 stop19h 00m
Deal found 9/3![Delta logo]()
$1,079
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 10/182:57 pm -
3 stops23h 49m
Sun 10/256:00 am -
2 stops29h 55m
Deal found 9/3![United Airlines logo]()
$1,286
One-way flights from Kingston to OntarioSearch for one-way flight options from Kingston to Ontario. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from Kingston to Ontario. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 12/123:03 pm -
2 stops32h 17m
Deal found 9/1![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/92:57 pm -
2 stops23h 15m
Deal found 9/2![United Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/272:57 pm -
2 stops34h 02m
Deal found 8/30![United Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 9/2. 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.
Wed 9/99:10 am -
1 stop13h 14m
Deal found 9/2![Delta logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:15 pm -
3 stops29h 32m
Deal found 8/30![Multiple Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 8/30. 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.
Sun 9/279:10 am -
1 stop12h 19m
Deal found 8/30![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/142:57 pm -
2 stops31h 04m
Deal found 8/31![United Airlines logo]()
$870
This Delta deal was found by Cheapflights users on 8/30. 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 12/269:00 am -
1 stop17h 38m
Deal found 8/30![Delta logo]()
$1,070
This Delta deal was found by Cheapflights users on 8/30. 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.
Sun 12/279:00 am -
1 stop17h 38m
Deal found 8/30![Delta logo]()
$1,583
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 September 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $804 (United Airlines) |
One-way from | $458 (United Airlines) |
Popular in | May |
Cheapest in | March |
Average price | $508 |
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 7,457,451 searches. Data last updated September 3, 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
Cheapest round-trip
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sun 11/15
2:58 pm-8:15 pm
2 stops32h 17m
Ontario
Sat 12/5
5:00 am-1:50 pm
2 stops29h 50m
$804
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sun 10/18
9:15 am-9:54 pm
1 stop14h 39m
Ontario
Sun 10/25
11:15 pm-8:15 pm
1 stop19h 00m
$1,079
Quickest round-trip
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sun 9/27
9:10 am-7:29 pm
1 stop12h 19m
Ontario
Sun 10/4
7:05 am-8:10 pm
1 stop11h 05m
$1,094
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Mon 9/14
5:08 pm-8:07 pm
2 stops28h 59m
Ontario
Fri 9/18
7:20 am-12:04 pm
2 stops26h 44m
$1,277
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sat 10/17
2:57 pm-9:59 pm
2 stops33h 02m
Ontario
Sat 10/24
6:00 am-1:55 pm
2 stops29h 55m
$1,278
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sun 10/18
2:57 pm-12:46 pm
3 stops23h 49m
Ontario
Sun 10/25
6:00 am-1:55 pm
2 stops29h 55m
$1,286
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Mon 9/14
9:10 am-10:24 pm
1 stop15h 14m
Ontario
Fri 9/18
1:04 pm-8:10 pm
2 stops29h 06m
$1,486
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sun 9/27
2:57 pm-10:59 pm
2 stops34h 02m
Ontario
Sun 10/4
9:25 am-1:55 pm
3 stops50h 30m
$1,589
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sun 9/27
1:09 pm-11:36 pm
2 stops12h 27m
Ontario
Sun 10/4
11:59 pm-3:58 pm
3 stops13h 59m
$2,773
Cheapest one-way
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sat 12/12
3:03 pm-8:20 pm
2 stops32h 17m
$458
Showing 1-10 of 16 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
KIN-ONT
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.
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.
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