$124+ Cheap flights from New York, NY (NYC) 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — ONT
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from New York 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.Cheapflights Tip: The best prices from New York to Ontario are usually found in October or September, booked 47 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from New York to Ontario
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Cheapest flights from New York to OntarioExplore the most affordable flight options available from New York to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
Explore the most affordable flight options available from New York to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:30 pm -
1 stop8h 09m
Sun 10/47:46 pm -
1 stop13h 49m
Deal found 9/1![Frontier logo]()
$248
This HOPEGOO 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 HOPEGOO is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:30 pm -
1 stop8h 09m
Mon 10/57:46 pm -
1 stop13h 49m
Deal found 8/31![Frontier logo]()
$259
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:30 pm -
1 stop8h 09m
Mon 9/148:11 pm -
1 stop13h 24m
Deal found 8/31![Frontier logo]()
$273
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:08 pm -
1 stop8h 48m
Sat 12/51:11 pm -
1 stop7h 54m
Deal found 8/31![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/95:25 pm -
1 stop8h 34m
Wed 9/231:18 pm -
1 stop7h 06m
Deal found 8/28![United Airlines logo]()
$302
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:30 pm -
1 stop8h 09m
Sun 9/277:46 pm -
1 stop13h 49m
Deal found 8/28![Frontier logo]()
$303
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:59 pm -
1 stop10h 57m
Sat 12/512:20 pm -
1 stop8h 21m
Deal found 8/31![Delta logo]()
$304
This HOPEGOO 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 HOPEGOO is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:30 pm -
1 stop8h 09m
Mon 10/57:46 pm -
1 stop13h 49m
Deal found 8/30![Frontier logo]()
$305
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.
Sat 9/267:59 am -
1 stop8h 26m
Sat 10/312:37 pm -
1 stop7h 37m
Deal found 8/30![American Airlines logo]()
$306
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.
Sat 9/268:39 am -
1 stop7h 46m
Sat 10/310:25 am -
1 stop7h 53m
Deal found 8/30![American Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:59 pm -
1 stop10h 25m
Sat 9/125:15 pm -
1 stop10h 11m
Deal found 8/28![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:59 pm -
1 stop9h 06m
Sun 9/1312:17 pm -
1 stop7h 22m
Deal found 8/28![Delta logo]()
$307
Best flights from New York to OntarioDiscover carefully curated flight deals from New York to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from New York to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:59 pm -
1 stop10h 25m
Thu 9/101:04 pm -
1 stop7h 36m
Deal found 8/28![Delta logo]()
$307
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:35 pm -
1 stop7h 45m
Wed 10/2810:25 am -
1 stop9h 25m
Deal found 8/29![Southwest logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:05 pm -
1 stop9h 49m
Fri 11/65:59 pm -
1 stop9h 31m
Deal found 8/27![Alaska Airlines logo]()
$389
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:25 pm -
1 stop8h 34m
Sun 9/136:00 am -
1 stop10h 02m
Deal found 8/29![United Airlines logo]()
$412
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:59 pm -
Nonstop5h 58m
Fri 10/210:39 pm -
Nonstop5h 21m
Deal found 8/31![JetBlue logo]()
$417
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop8h 06m
Tue 10/2012:16 pm -
1 stop7h 25m
Deal found 8/28![Delta logo]()
$344
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:55 am -
1 stop13h 23m
Thu 9/2410:47 am -
1 stop9h 42m
Deal found 8/31![Alaska Airlines logo]()
$389
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.
Thu 9/104:21 pm -
1 stop8h 43m
Sun 9/1310:00 pm -
1 stop9h 15m
Deal found 8/29![Delta logo]()
$373
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:59 pm -
Nonstop5h 58m
Tue 9/2910:39 pm -
Nonstop5h 21m
Deal found 8/29![JetBlue logo]()
$417
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:15 pm -
1 stop9h 34m
Tue 10/136:00 am -
1 stop10h 19m
Deal found 8/27![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:20 am -
1 stop9h 56m
Fri 9/2510:47 am -
1 stop9h 42m
Deal found 8/28![Alaska Airlines logo]()
$389
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.
Tue 9/227:15 am -
1 stop7h 59m
Mon 9/2810:00 pm -
1 stop8h 22m
Deal found 8/29![Delta logo]()
$379
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:59 pm -
Nonstop5h 58m
Sun 10/410:39 pm -
Nonstop5h 21m
Deal found 8/31![JetBlue logo]()
$417
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 9/115:25 pm -
1 stop8h 34m
Sat 9/126:08 am -
2 stops10h 17m
Deal found 8/28![United Airlines logo]()
$422
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop8h 06m
Tue 10/2012:16 pm -
1 stop9h 42m
Deal found 8/31![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:25 am -
1 stop9h 51m
Fri 9/256:14 pm -
1 stop8h 47m
Deal found 8/28![Alaska Airlines logo]()
$417
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:59 pm -
Nonstop5h 58m
Sat 10/1011:05 pm -
Nonstop5h 18m
Deal found 8/30![JetBlue logo]()
$436
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.
Fri 9/252:00 pm -
1 stop10h 59m
Sun 9/276:00 am -
1 stop7h 48m
Deal found 8/31![United Airlines logo]()
$442
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:25 am -
1 stop9h 51m
Thu 10/16:14 pm -
1 stop8h 47m
Deal found 8/29![Alaska Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:39 pm -
1 stop9h 01m
Wed 11/186:00 am -
2 stops12h 29m
Deal found 8/27![United Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am -
1 stop8h 05m
Tue 9/2912:17 pm -
1 stop7h 22m
Deal found 8/28![Delta logo]()
$420
This JetBlue deal was found by Cheapflights users on 8/28. 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.
Wed 9/165:59 pm -
Nonstop5h 58m
Tue 9/2910:39 pm -
Nonstop5h 21m
Deal found 8/28![JetBlue logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:29 pm -
2 stops23h 55m
Sun 11/85:59 pm -
1 stop9h 31m
Deal found 8/27![Alaska Airlines logo]()
$441
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.
Wed 9/237:29 am -
1 stop8h 21m
Sat 9/266:00 am -
1 stop7h 48m
Deal found 8/30![United Airlines logo]()
$472
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:59 pm -
Nonstop5h 58m
Fri 9/2510:39 pm -
Nonstop5h 21m
Deal found 8/31![JetBlue logo]()
$477
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.
Thu 9/103:39 pm -
1 stop9h 20m
Sun 9/136:00 am -
1 stop10h 02m
Deal found 8/31![United Airlines logo]()
$472
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:00 pm -
1 stop13h 42m
Wed 10/286:02 am -
2 stops13h 57m
Deal found 8/31![Alaska Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am -
1 stop7h 42m
Tue 9/1512:17 pm -
1 stop8h 40m
Deal found 8/28![Delta logo]()
$509
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.
Wed 9/96:00 am -
1 stop8h 05m
Wed 9/167:05 am -
1 stop7h 43m
Deal found 8/30![Delta logo]()
$510
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:00 am -
1 stop7h 50m
Sat 9/191:18 pm -
1 stop7h 09m
Deal found 8/29![United Airlines logo]()
$517
Last-minute flights from New York to OntarioDiscover last-minute flight deals from New York to Ontario. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from New York to Ontario. Data last updated September 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/95:25 pm -
1 stop8h 34m
Wed 9/231:18 pm -
1 stop7h 06m
Deal found 8/28![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:59 pm -
1 stop10h 25m
Thu 9/101:04 pm -
1 stop7h 36m
Deal found 8/28![Delta logo]()
$307
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:25 pm -
1 stop8h 34m
Sat 9/126:08 am -
2 stops10h 17m
Deal found 8/29![United Airlines logo]()
$308
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:30 pm -
1 stop8h 09m
Mon 9/148:11 pm -
1 stop13h 24m
Deal found 8/31![Frontier logo]()
$273
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:00 pm -
1 stop8h 05m
Fri 9/1112:17 pm -
1 stop7h 22m
Deal found 8/28![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Sat 9/197:15 am -
1 stop7h 48m
Mon 9/281:04 pm -
1 stop7h 54m
Deal found 8/28![American Airlines logo]()
$308
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:30 pm -
1 stop8h 09m
Sun 9/277:46 pm -
1 stop13h 49m
Deal found 8/28![Frontier logo]()
$303
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.
Sat 9/267:59 am -
1 stop8h 26m
Sat 10/312:37 pm -
1 stop7h 37m
Deal found 8/30![American Airlines logo]()
$306
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.
Sat 9/268:39 am -
1 stop7h 46m
Sat 10/310:25 am -
1 stop7h 53m
Deal found 8/30![American Airlines logo]()
$306
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:30 pm -
1 stop8h 09m
Mon 10/57:46 pm -
1 stop13h 49m
Deal found 9/1![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 8/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:30 pm -
1 stop8h 09m
Sun 10/47:46 pm -
1 stop13h 49m
Deal found 8/28![Frontier logo]()
$293
This HOPEGOO 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 HOPEGOO is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:30 pm -
1 stop8h 09m
Mon 10/57:46 pm -
1 stop13h 49m
Deal found 8/30![Frontier logo]()
$305
One-way flights from New York to OntarioSearch for one-way flight options from New York to Ontario. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from New York to Ontario. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:30 pm -
1 stop8h 09m
Deal found 9/1![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 8/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:45 pm -
1 stop8h 20m
Deal found 8/28![Frontier logo]()
$125
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:30 pm -
1 stop8h 09m
Deal found 8/31![Frontier logo]()
$128
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:30 pm -
1 stop8h 09m
Deal found 8/31![Frontier logo]()
$149
This Super.com deal was found by Cheapflights users on 8/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:55 pm -
1 stop12h 43m
Deal found 8/28![Frontier logo]()
$153
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Sat 9/1212:30 pm -
1 stop8h 47m
Deal found 8/28![American Airlines logo]()
$153
This Southwest deal was found by Cheapflights users on 8/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:55 am -
1 stop10h 30m
Deal found 8/28![Southwest logo]()
$154
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:59 pm -
1 stop10h 06m
Deal found 8/28![Delta logo]()
$154
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Tue 9/227:15 am -
1 stop7h 51m
Deal found 8/28![American Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:30 pm -
2 stops24h 00m
Deal found 8/27![Frontier logo]()
$157
This Southwest deal was found by Cheapflights users on 8/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:35 pm -
2 stops10h 15m
Deal found 8/28![Southwest logo]()
$159
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Sat 11/1410:40 am -
2 stops10h 30m
Deal found 8/28![American Airlines logo]()
$159
Find flight deals from New York to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from New York (NYC) 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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Frontier) |
One-way from | $124 (Booking.com) |
Popular in | December |
Cheapest in | October |
Average price | $337 |
Good round-trip deal | $367 or less |
Good one-way deal | $223 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from New York 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 1, 2026.
Use the filters below to find and compare flights from New York to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkOntario
JFK New York John F Kennedy Intl - ONT Ontario
JFKONT
New York John F Kennedy Intl
Wed 9/9
12:59 pm-8:24 pm
1 stop10h 25m
Ontario
Thu 9/10
1:04 pm-11:40 pm
1 stop7h 36m
$307
New YorkOntario
LGA New York LaGuardia - ONT Ontario
LGAONT
New York LaGuardia
Fri 10/23
5:35 pm-10:20 pm
1 stop7h 45m
Ontario
Wed 10/28
10:25 am-10:50 pm
1 stop9h 25m
$307
New YorkOntario
LGA New York LaGuardia - ONT Ontario
LGAONT
New York LaGuardia
Wed 10/14
6:00 am-11:06 am
1 stop8h 06m
Ontario
Tue 10/20
12:16 pm-10:41 pm
1 stop7h 25m
$344
New YorkOntario
JFK New York John F Kennedy Intl - ONT Ontario
JFKONT
New York John F Kennedy Intl
Thu 9/10
4:21 pm-10:04 pm
1 stop8h 43m
Ontario
Sun 9/13
10:00 pm-10:15 am
1 stop9h 15m
$373
NewarkOntario
EWR Newark - ONT Ontario
EWRONT
Newark
Tue 9/22
7:15 am-12:14 pm
1 stop7h 59m
Ontario
Mon 9/28
10:00 pm-9:22 am
1 stop8h 22m
$379
NewarkOntario
EWR Newark - ONT Ontario
EWRONT
Newark
Wed 10/14
6:00 am-11:06 am
1 stop8h 06m
Ontario
Tue 10/20
12:16 pm-12:58 am
1 stop9h 42m
$379
NewarkOntario
EWR Newark - ONT Ontario
EWRONT
Newark
Fri 10/30
5:05 pm-11:54 pm
1 stop9h 49m
Ontario
Fri 11/6
5:59 pm-6:30 am
1 stop9h 31m
$389
NewarkOntario
EWR Newark - ONT Ontario
EWRONT
Newark
Mon 9/21
6:55 am-5:18 pm
1 stop13h 23m
Ontario
Thu 9/24
10:47 am-11:29 pm
1 stop9h 42m
$389
NewarkOntario
EWR Newark - ONT Ontario
EWRONT
Newark
Sat 9/19
7:20 am-2:16 pm
1 stop9h 56m
Ontario
Fri 9/25
10:47 am-11:29 pm
1 stop9h 42m
$389
New YorkOntario
LGA New York LaGuardia - ONT Ontario
LGAONT
New York LaGuardia
Fri 9/11
5:25 pm-10:59 pm
1 stop8h 34m
Ontario
Sun 9/13
6:00 am-7:02 pm
1 stop10h 02m
$412
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from New York 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 New York to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on New York-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on New York-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 New York-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 New York to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from New York with our price prediction graph.
NYC-ONT
EWR-ONT
JFK-ONT
LGA-ONT
SWF-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.
Cheapflights Insights
Everything you need to know about your flight from New York to Ontario
NYC-ONT
EWR-ONT
JFK-ONT
LGA-ONT
SWF-ONT
What is the cheapest month to book a flight from New York to Ontario?
Currently, October is the cheapest month in which you can book a flight from New York to Ontario (average of $338). Flying from New York to Ontario in June is currently the most expensive (average of $549). 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.
What is the cheapest time of day to fly from NYC to ONT?
Find hourly flight availability from New York to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 1, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New York to Ontario as you normally would.
How much does it cost to fly round-trip from New York to Ontario?
Airfare is below average for this route at the moment.
New York to Ontario flights typically cost between $303 and $454 in October.The cheapest round-trip price found within the last 5 days was $248 on Frontier (Oct 1-Oct 4).
What’s the top layover airport for flights from New York to Ontario?
Share of 1-stop round-trip flights from New York to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from New York to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from New York to Ontario?
Average round-trip fare for 1-stop flights from New York to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $193.
What’s the fastest layover option from New York to Ontario?
Shortest average travel time for 1-stop one-way flights from New York to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 8h 01m.
Which airport typically offers the quickest layover for flights from New York to Ontario?
Average layover duration for 1-stop one-way flights from New York to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Portland (PDX) offer the fastest connection on this route, with an average layover time of 0h 40m.
How far ahead should I book a flight from New York to Ontario?
The best time to book flights from New York to Ontario is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 September 1, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from New York to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from New York 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.
Alternative routes
Complete your trip
Flights by cabin class
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Alternative routes for New York to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New York to Ontario by cabin class
Find flights from New York to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
New York and Ontario flights
Browse other New York and Ontario flight options. Last updated on September 1, 2026.
Other flights from New York
Browse through other flights departing from New York. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
New York to Ontario flights
Consider these flights traveling from New York to Ontario.
Top 6 airlines flying from New York to Ontario
Discover the top 6 airlines that operate flights from New York to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$192 | Average$426 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$227 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$238 | Average$353 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$262 | Average$466 | FlexibilityNo cancel fee | On-time71% |