$455+ Cheap flights from Kingston (KIN) to Ontario (ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
Nov 4 — Nov 111
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
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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 October 5, 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 October 5, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 11/152:58 pm -
2 stops34h 50m
Sun 11/225:00 am -
2 stops29h 52m
Deal found 10/1![United Airlines logo]()
$812
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:57 am -
2 stops23h 38m
Tue 10/202:22 pm -
2 stops18h 35m
Deal found 10/1![American Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 9/30. 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.
Fri 10/169:15 am -
1 stop14h 54m
Tue 10/207:07 am -
1 stop11h 08m
Deal found 9/30![Delta logo]()
$884
This United Airlines deal was found by Cheapflights users on 10/5. 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 stops34h 50m
Wed 12/305:00 am -
2 stops29h 50m
Deal found 10/5![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/242:57 pm -
2 stops56h 43m
Wed 12/305:00 am -
2 stops29h 50m
Deal found 10/5![United Airlines logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Thu 11/52:58 pm -
2 stops57h 42m
Mon 11/96:00 am -
2 stops52h 52m
Deal found 10/3![United Airlines logo]()
$1,066
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:05 pm -
3 stops34h 45m
Tue 10/206:15 am -
3 stops29h 40m
Deal found 9/30![Multiple Airlines logo]()
$1,115
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 October 5, 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 October 5, 2026.
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:57 am -
2 stops23h 38m
Tue 10/202:22 pm -
2 stops18h 35m
Deal found 10/1![American Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/259:00 am -
2 stops17h 48m
Tue 2/23:30 pm -
2 stops25h 30m
Deal found 10/1![Delta logo]()
$870
This United Airlines deal was found by Cheapflights users on 10/5. 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 stops34h 50m
Wed 12/305:00 am -
2 stops29h 50m
Deal found 10/5![United Airlines logo]()
$921
This Delta deal was found by Cheapflights users on 9/30. 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.
Fri 10/169:15 am -
1 stop14h 54m
Tue 10/207:07 am -
1 stop11h 08m
Deal found 9/30![Delta logo]()
$884
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Mon 1/253:01 pm -
3 stops24h 32m
Tue 2/211:20 am -
2 stops23h 32m
Deal found 10/1![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Mon 1/183:01 pm -
2 stops24h 18m
Sat 1/307:00 am -
2 stops51h 52m
Deal found 10/2![United Airlines logo]()
$962
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/242:57 pm -
2 stops56h 43m
Wed 12/305:00 am -
2 stops29h 50m
Deal found 10/5![United Airlines logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Thu 11/52:58 pm -
2 stops57h 42m
Mon 11/96:00 am -
2 stops52h 52m
Deal found 10/3![United Airlines logo]()
$1,066
Last-minute flights from Kingston to OntarioDiscover last-minute flight deals from Kingston to Ontario. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Kingston to Ontario. Data last updated October 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:57 am -
2 stops23h 38m
Tue 10/202:22 pm -
2 stops18h 35m
Deal found 10/1![American Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 9/30. 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.
Fri 10/169:15 am -
1 stop14h 54m
Tue 10/207:07 am -
1 stop11h 08m
Deal found 9/30![Delta logo]()
$884
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:05 pm -
3 stops34h 45m
Tue 10/206:15 am -
3 stops29h 40m
Deal found 9/30![Multiple Airlines logo]()
$1,115
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/242:57 pm -
2 stops56h 43m
Wed 12/305:00 am -
2 stops29h 50m
Deal found 10/5![United Airlines logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Thu 11/52:58 pm -
2 stops57h 42m
Mon 11/96:00 am -
2 stops52h 52m
Deal found 10/3![United Airlines logo]()
$1,066
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 11/152:58 pm -
2 stops34h 50m
Sun 11/225:00 am -
2 stops29h 52m
Deal found 10/1![United Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 10/5. 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 stops34h 50m
Wed 12/305:00 am -
2 stops29h 50m
Deal found 10/5![United Airlines logo]()
$921
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 October 5, 2026.
Search for one-way flight options from Kingston to Ontario. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:00 am -
3 stops24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/252:58 pm -
2 stops31h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 11/152:58 pm -
2 stops32h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 11/132:58 pm -
2 stops30h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 10/5. 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 11/259:00 am -
1 stop14h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 10/4. 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.
Thu 12/249:00 am -
2 stops16h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Delta logo]()
$503
This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:10 am -
3 stops28h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$508
This Mytrip deal was found by Cheapflights users on 10/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:55 pm -
3 stops30h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 10/4. 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 12/256:35 am -
2 stops15h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Sat 11/212:58 pm -
2 stops33h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$551
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Sat 12/266:35 am -
2 stops20h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$568
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 October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $812 (United Airlines) |
One-way from | $455 (Mytrip) |
Popular in | September |
Cheapest in | March |
Average price | $519 |
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 October 5, 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
Wed 11/25
2:58 pm-7:42 pm
2 stops31h 44m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$462
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Thu 12/10
3:03 pm-9:38 am
2 stops21h 35m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$477
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sun 11/15
2:58 pm-8:15 pm
2 stops32h 17m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$477
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Fri 11/13
2:58 pm-6:47 pm
2 stops30h 49m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$478
Quickest round-trip
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Wed 11/25
9:00 am-8:54 pm
1 stop14h 54m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$482
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sat 11/21
2:58 pm-9:41 pm
2 stops33h 43m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$551
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Tue 12/15
3:03 pm-9:38 am
2 stops21h 35m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$581
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Thu 12/17
3:03 pm-10:11 pm
2 stops34h 08m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$581
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Wed 12/16
3:03 pm-10:53 pm
2 stops34h 50m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$582
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sat 11/28
4:24 pm-8:35 am
2 stops19h 11m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$635
Showing 1-10 of 18 resultsSorted by cheapest first
- 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.
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