$718+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
KIN — ONT
Sep 18 — Sep 251
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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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 August 19, 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 August 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/292:57 pm -
2 stops34h 02m
Sat 10/35:00 am -
2 stops30h 58m
Deal found 8/18![United Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/242:57 pm -
2 stops34h 02m
Sun 9/275:00 am -
2 stops30h 51m
Deal found 8/19![United Airlines logo]()
$781
This Delta deal was found by Cheapflights users on 8/17. 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 9/249:10 am -
1 stop10h 57m
Thu 10/811:15 pm -
1 stop19h 00m
Deal found 8/17![Delta logo]()
$832
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/32:57 pm -
2 stops53h 15m
Tue 9/86:00 am -
2 stops29h 51m
Deal found 8/14![United Airlines logo]()
$883
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/292:57 pm -
2 stops34h 02m
Tue 10/66:00 am -
2 stops29h 58m
Deal found 8/15![United Airlines logo]()
$905
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/15:16 pm -
2 stops20h 27m
Sat 9/512:59 pm -
2 stops22h 00m
Deal found 8/16![American Airlines logo]()
$928
This Delta deal was found by Cheapflights users on 8/14. 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 9/179:10 am -
1 stop15h 14m
Thu 10/110:00 pm -
1 stop20h 10m
Deal found 8/14![Delta logo]()
$1,029
This Delta deal was found by Cheapflights users on 8/16. 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 9/19:13 am -
1 stop12h 40m
Sat 9/51:06 pm -
2 stops29h 07m
Deal found 8/16![Delta logo]()
$1,079
This Delta deal was found by Cheapflights users on 8/17. 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 9/59:13 am -
1 stop11h 17m
Mon 9/1410:00 pm -
1 stop20h 10m
Deal found 8/17![Delta logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/282:57 pm -
2 stops21h 26m
Mon 10/56:00 am -
2 stops53h 58m
Deal found 8/14![United Airlines logo]()
$1,162
This American Airlines deal was found by Cheapflights users on 8/15. 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 8/306:05 am -
2 stops17h 50m
Thu 9/312:33 pm -
2 stops22h 26m
Deal found 8/15![American Airlines logo]()
$1,192
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 August 19, 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 August 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/242:57 pm -
2 stops34h 02m
Sun 9/275:00 am -
2 stops30h 51m
Deal found 8/19![United Airlines logo]()
$781
This Delta deal was found by Cheapflights users on 8/17. 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 9/249:10 am -
1 stop10h 57m
Thu 10/811:15 pm -
1 stop19h 00m
Deal found 8/17![Delta logo]()
$832
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/15:16 pm -
2 stops20h 27m
Sat 9/512:59 pm -
2 stops22h 00m
Deal found 8/16![American Airlines logo]()
$928
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/292:57 pm -
2 stops34h 02m
Tue 10/66:00 am -
2 stops29h 58m
Deal found 8/15![United Airlines logo]()
$905
This Delta deal was found by Cheapflights users on 8/14. 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 9/179:10 am -
1 stop15h 14m
Thu 10/110:00 pm -
1 stop20h 10m
Deal found 8/14![Delta logo]()
$1,029
This Delta deal was found by Cheapflights users on 8/17. 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 9/59:13 am -
1 stop11h 17m
Tue 9/1512:17 pm -
1 stop29h 53m
Deal found 8/17![Delta logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/282:57 pm -
2 stops21h 26m
Mon 10/56:00 am -
2 stops53h 58m
Deal found 8/14![United Airlines logo]()
$1,162
This Delta deal was found by Cheapflights users on 8/17. 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 9/59:13 am -
1 stop11h 17m
Mon 9/1410:00 pm -
1 stop20h 10m
Deal found 8/17![Delta logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/302:57 pm -
2 stops33h 54m
Wed 10/78:03 am -
3 stops51h 55m
Deal found 8/16![United Airlines logo]()
$1,198
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/22:57 pm -
2 stops28h 49m
Fri 10/96:00 am -
2 stops53h 58m
Deal found 8/18![United Airlines logo]()
$1,284
This Delta deal was found by Cheapflights users on 8/15. 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 8/309:13 am -
1 stop11h 17m
Thu 9/31:06 pm -
2 stops29h 07m
Deal found 8/15![Delta logo]()
$1,568
Last-minute flights from Kingston to OntarioDiscover last-minute flight deals from Kingston to Ontario. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Kingston to Ontario. Data last updated August 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/15. 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 8/306:05 am -
2 stops17h 50m
Thu 9/312:33 pm -
2 stops22h 26m
Deal found 8/15![American Airlines logo]()
$1,192
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/15:16 pm -
2 stops20h 27m
Sat 9/512:59 pm -
2 stops22h 00m
Deal found 8/16![American Airlines logo]()
$928
This Delta deal was found by Cheapflights users on 8/16. 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 9/19:13 am -
1 stop12h 40m
Sat 9/51:06 pm -
2 stops29h 07m
Deal found 8/16![Delta logo]()
$1,079
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/32:57 pm -
2 stops53h 15m
Tue 9/86:00 am -
2 stops29h 51m
Deal found 8/14![United Airlines logo]()
$883
This Delta deal was found by Cheapflights users on 8/17. 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 9/59:13 am -
1 stop11h 17m
Mon 9/1410:00 pm -
1 stop20h 10m
Deal found 8/17![Delta logo]()
$1,084
This Delta deal was found by Cheapflights users on 8/14. 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 9/179:10 am -
1 stop15h 14m
Thu 10/110:00 pm -
1 stop20h 10m
Deal found 8/14![Delta logo]()
$1,029
This Delta deal was found by Cheapflights users on 8/17. 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 9/249:10 am -
1 stop10h 57m
Thu 10/811:15 pm -
1 stop19h 00m
Deal found 8/17![Delta logo]()
$832
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/282:57 pm -
2 stops21h 26m
Mon 10/56:00 am -
2 stops53h 58m
Deal found 8/14![United Airlines logo]()
$1,162
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/292:57 pm -
2 stops34h 02m
Sat 10/35:00 am -
2 stops30h 58m
Deal found 8/18![United Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/292:57 pm -
2 stops34h 02m
Tue 10/66:00 am -
2 stops29h 58m
Deal found 8/15![United Airlines logo]()
$905
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/302:57 pm -
2 stops33h 54m
Wed 10/78:03 am -
3 stops51h 55m
Deal found 8/16![United Airlines logo]()
$1,198
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 August 19, 2026.
Search for one-way flight options from Kingston to Ontario. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/42:57 pm -
2 stops26h 44m
Deal found 8/17![United Airlines logo]()
$718
This JetBlue deal was found by Cheapflights users on 8/17. 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.
Fri 9/49:20 am -
1 stop15h 18m
Deal found 8/17![JetBlue logo]()
$4,500
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $779 (United Airlines) |
One-way from | $718 (United Airlines) |
Popular in | May |
Cheapest in | March |
Average price | $642 |
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 August 19, 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
Thu 9/24
2:57 pm-10:59 pm
2 stops34h 02m
Ontario
Sun 9/27
5:00 am-1:51 pm
2 stops30h 51m
$781
Quickest round-trip
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Thu 9/24
9:10 am-6:07 pm
1 stop10h 57m
Ontario
Thu 10/8
11:15 pm-8:15 pm
1 stop19h 00m
$832
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Tue 9/29
2:57 pm-10:59 pm
2 stops34h 02m
Ontario
Tue 10/6
6:00 am-1:58 pm
2 stops29h 58m
$905
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Tue 9/1
5:16 pm-11:43 am
2 stops20h 27m
Ontario
Sat 9/5
12:59 pm-12:59 pm
2 stops22h 00m
$928
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Thu 9/17
9:10 am-10:24 pm
1 stop15h 14m
Ontario
Thu 10/1
10:00 pm-8:10 pm
1 stop20h 10m
$1,029
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sat 9/5
9:13 am-6:30 pm
1 stop11h 17m
Ontario
Tue 9/15
12:17 pm-8:10 pm
1 stop29h 53m
$1,084
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Sat 9/5
9:13 am-6:30 pm
1 stop11h 17m
Ontario
Mon 9/14
10:00 pm-8:10 pm
1 stop20h 10m
$1,084
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Mon 9/28
2:57 pm-10:23 am
2 stops21h 26m
Ontario
Mon 10/5
6:00 am-1:58 pm
2 stops53h 58m
$1,162
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Wed 9/30
2:57 pm-10:51 pm
2 stops33h 54m
Ontario
Wed 10/7
8:03 am-1:58 pm
3 stops51h 55m
$1,198
KingstonOntario
KIN Kingston Norman Manley - ONT Ontario
KINONT
Kingston Norman Manley
Fri 10/2
2:57 pm-5:46 pm
2 stops28h 49m
Ontario
Fri 10/9
6:00 am-1:58 pm
2 stops53h 58m
$1,284
Showing 1-10 of 12 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 August.
| 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.
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