$127+ Cheap flights from Ontario (ONT) to Connecticut
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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
May 25 — Jun 11
Round-trip
1 adult, Economy
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Cheapest flights from Ontario to ConnecticutExplore the most affordable flight options available from Ontario to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.
Explore the most affordable flight options available from Ontario to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.
This Delta deal was found by Cheapflights users on 4/20. 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 9/2910:59 pm
ONT
- LGA
1 stop7h 46m
Delta
Tue 10/61:00 pm
LGA
- ONT
1 stop8h 18m
Delta
Deal found 4/20![Delta logo]()
$281
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/111:59 pm
ONT
- JFK
1 stop10h 29m
American Airlines
Fri 5/85:20 pm
JFK
- ONT
1 stop9h 26m
American Airlines
Deal found 4/24![American Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 4/23. 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 5/510:15 pm
ONT
- LGA
1 stop7h 24m
Delta
Mon 5/1111:00 am
LGA
- ONT
1 stop10h 36m
Delta
Deal found 4/23![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/512:19 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Thu 5/711:00 am
JFK
- ONT
2 stops10h 23m
American Airlines
Deal found 4/21![American Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/510:50 am
ONT
- LGA
2 stops32h 10m
Multiple Airlines
Wed 5/135:45 am
LGA
- ONT
1 stop16h 26m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 4/21. 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 5/79:50 am
ONT
- LGA
2 stops10h 35m
Delta
Tue 5/121:59 pm
LGA
- ONT
1 stop10h 49m
Delta
Deal found 4/21![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/25:00 am
ONT
- LGA
1 stop7h 47m
United Airlines
Tue 5/125:15 pm
LGA
- ONT
1 stop8h 20m
United Airlines
Deal found 4/23![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 4/23. 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 8/2510:59 pm
ONT
- LGA
1 stop7h 46m
Delta
Thu 8/271:00 pm
LGA
- ONT
1 stop8h 01m
Delta
Deal found 4/23![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 4/20. 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 5/1110:00 pm
ONT
- LGA
1 stop7h 14m
Delta
Wed 5/136:00 am
LGA
- ONT
1 stop7h 57m
Delta
Deal found 4/20![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 4/23. 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.
Sun 8/3011:55 pm
ONT
- LGA
1 stop9h 55m
Southwest
Tue 9/811:25 am
LGA
- ONT
1 stop10h 30m
Southwest
Deal found 4/23![Southwest logo]()
$290
This lol.travel deal was found by Cheapflights users on 4/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Fri 5/295:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$291
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 5/711:59 pm
ONT
- LGA
1 stop8h 29m
American Airlines
Tue 5/121:54 pm
LGA
- ONT
1 stop9h 33m
American Airlines
Deal found 4/21![American Airlines logo]()
$292
Best flights from Ontario to ConnecticutDiscover carefully curated flight deals from Ontario to Connecticut that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2026.
Discover carefully curated flight deals from Ontario to Connecticut that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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 8/199:55 am
ONT
- LGA
2 stops10h 48m
Delta
Sat 8/228:00 am
LGA
- ONT
2 stops11h 14m
Delta
Deal found 4/22![Delta logo]()
$298
This Southwest deal was found by Cheapflights users on 4/23. 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.
Sat 5/231:20 pm
ONT
- LGA
1 stop7h 00m
Southwest
Fri 5/296:55 am
LGA
- ONT
1 stop9h 15m
Southwest
Deal found 4/23![Southwest logo]()
$333
This JetBlue deal was found by Cheapflights users on 4/25. 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 8/111:24 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Mon 8/107:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 4/25![JetBlue logo]()
$347
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/65:00 am
ONT
- LGA
1 stop9h 23m
United Airlines
Wed 5/133:20 pm
LGA
- ONT
1 stop10h 15m
United Airlines
Deal found 4/20![United Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 5/96:00 am
ONT
- JFK
1 stop10h 27m
Alaska Airlines
Fri 5/154:15 pm
JFK
- ONT
1 stop10h 43m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 4/21. 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 6/110:00 pm
ONT
- JFK
1 stop9h 18m
Delta
Tue 6/96:00 am
JFK
- ONT
1 stop7h 40m
Delta
Deal found 4/21![Delta logo]()
$298
This JetBlue deal was found by Cheapflights users on 4/23. 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.
Thu 6/1111:54 pm
ONT
- JFK
Nonstop5h 24m
JetBlue
Fri 6/197:33 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 4/23![JetBlue logo]()
$372
This Southwest deal was found by Cheapflights users on 4/25. 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.
Tue 5/2611:55 pm
ONT
- BDL
2 stops9h 15m
Southwest
Tue 6/95:55 am
BDL
- ONT
1 stop9h 10m
Southwest
Deal found 4/25![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 4/25. 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 7/1210:00 pm
ONT
- PVD
2 stops12h 53m
Delta
Fri 7/172:50 pm
PVD
- ONT
2 stops11h 54m
Delta
Deal found 4/25![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 4/21. 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 5/97:05 am
ONT
- LGA
1 stop7h 44m
Delta
Wed 5/136:00 am
LGA
- ONT
1 stop7h 57m
Delta
Deal found 4/21![Delta logo]()
$358
This JetBlue deal was found by Cheapflights users on 4/25. 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.
Sun 7/2611:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 8/86:59 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 4/25![JetBlue logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/22. 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 8/181:18 pm
ONT
- BDL
1 stop7h 27m
United Airlines
Wed 8/1912:45 pm
BDL
- ONT
1 stop8h 34m
United Airlines
Deal found 4/22![United Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/610:39 am
ONT
- EWR
1 stop9h 50m
Alaska Airlines
Sun 5/105:33 pm
EWR
- ONT
1 stop9h 15m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 4/25. 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 6/241:20 pm
ONT
- LGA
1 stop6h 45m
Southwest
Thu 6/253:25 pm
LGA
- ONT
2 stops9h 45m
Southwest
Deal found 4/25![Southwest logo]()
$429
This Delta deal was found by Cheapflights users on 4/21. 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 5/91:29 pm
ONT
- EWR
1 stop7h 30m
Delta
Wed 5/136:00 am
EWR
- ONT
1 stop7h 57m
Delta
Deal found 4/21![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/291:18 pm
ONT
- EWR
1 stop8h 46m
United Airlines
Wed 6/36:00 am
EWR
- ONT
1 stop9h 12m
United Airlines
Deal found 4/20![United Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 9/37:10 am
ONT
- JFK
1 stop9h 02m
Alaska Airlines
Tue 9/89:55 am
JFK
- ONT
1 stop10h 23m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 4/20. 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.
Sat 7/412:45 pm
ONT
- LGA
1 stop6h 55m
Southwest
Fri 7/174:30 pm
LGA
- ONT
2 stops10h 00m
Southwest
Deal found 4/20![Southwest logo]()
$437
This JetBlue deal was found by Cheapflights users on 4/25. 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 5/2210:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Wed 5/275:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$462
This Delta deal was found by Cheapflights users on 4/23. 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 5/612:49 pm
ONT
- JFK
1 stop8h 59m
Delta
Mon 5/111:11 pm
JFK
- ONT
1 stop8h 25m
Delta
Deal found 4/23![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 10/94:00 pm
ONT
- JFK
1 stop12h 05m
Alaska Airlines
Sat 10/177:00 am
JFK
- ONT
1 stop10h 47m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 4/25. 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.
Sun 7/1211:55 pm
ONT
- LGA
1 stop8h 25m
Southwest
Thu 7/161:25 pm
LGA
- ONT
2 stops11h 45m
Southwest
Deal found 4/25![Southwest logo]()
$438
This United Airlines deal was found by Cheapflights users on 4/21. 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 9/51:18 pm
ONT
- LGA
1 stop7h 11m
United Airlines
Wed 9/162:00 pm
LGA
- ONT
1 stop10h 59m
United Airlines
Deal found 4/21![United Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 4/25. 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 7/1210:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Thu 7/161:59 pm
LGA
- ONT
1 stop10h 51m
Delta
Deal found 4/25![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 4/22. 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 7/176:30 pm
ONT
- PVD
2 stops10h 55m
Southwest
Tue 7/215:50 am
PVD
- ONT
1 stop9h 15m
Southwest
Deal found 4/22![Southwest logo]()
$463
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/65:00 am
ONT
- LGA
1 stop9h 23m
United Airlines
Thu 5/73:20 pm
LGA
- ONT
1 stop10h 15m
United Airlines
Deal found 4/20![United Airlines logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/63:24 pm
ONT
- EWR
1 stop12h 15m
Alaska Airlines
Mon 5/113:30 pm
EWR
- ONT
1 stop11h 29m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/23. 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 8/2110:59 pm
ONT
- BDL
1 stop8h 51m
Delta
Mon 8/245:05 pm
BDL
- ONT
1 stop7h 51m
Delta
Deal found 4/23![Delta logo]()
$406
This Southwest deal was found by Cheapflights users on 4/21. 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 6/248:25 pm
ONT
- BDL
2 stops8h 40m
Southwest
Mon 6/295:10 pm
BDL
- ONT
2 stops9h 20m
Southwest
Deal found 4/21![Southwest logo]()
$467
This United Airlines deal was found by Cheapflights users on 4/20. 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 8/305:45 am
ONT
- LGA
1 stop7h 55m
United Airlines
Tue 9/811:00 am
LGA
- ONT
1 stop10h 19m
United Airlines
Deal found 4/20![United Airlines logo]()
$518
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated April 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/111:59 pm
ONT
- JFK
1 stop10h 29m
American Airlines
Fri 5/85:20 pm
JFK
- ONT
1 stop9h 26m
American Airlines
Deal found 4/24![American Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/25:00 am
ONT
- LGA
1 stop7h 47m
United Airlines
Tue 5/125:15 pm
LGA
- ONT
1 stop8h 20m
United Airlines
Deal found 4/23![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 4/23. 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 5/510:15 pm
ONT
- LGA
1 stop7h 24m
Delta
Mon 5/1111:00 am
LGA
- ONT
1 stop10h 36m
Delta
Deal found 4/23![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/512:19 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Thu 5/711:00 am
JFK
- ONT
2 stops10h 23m
American Airlines
Deal found 4/21![American Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/510:50 am
ONT
- LGA
2 stops32h 10m
Multiple Airlines
Wed 5/135:45 am
LGA
- ONT
1 stop16h 26m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 4/21. 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 5/79:50 am
ONT
- LGA
2 stops10h 35m
Delta
Tue 5/121:59 pm
LGA
- ONT
1 stop10h 49m
Delta
Deal found 4/21![Delta logo]()
$286
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 5/711:59 pm
ONT
- LGA
1 stop8h 29m
American Airlines
Tue 5/121:54 pm
LGA
- ONT
1 stop9h 33m
American Airlines
Deal found 4/21![American Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 4/21. 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 5/1010:00 pm
ONT
- LGA
1 stop7h 14m
Delta
Wed 5/136:00 am
LGA
- ONT
1 stop7h 57m
Delta
Deal found 4/21![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 4/20. 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 5/1110:00 pm
ONT
- LGA
1 stop7h 14m
Delta
Wed 5/136:00 am
LGA
- ONT
1 stop7h 57m
Delta
Deal found 4/20![Delta logo]()
$289
This lol.travel deal was found by Cheapflights users on 4/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Fri 5/295:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Sat 5/305:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/23![JetBlue logo]()
$292
This Delta deal was found by Cheapflights users on 4/24. 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 5/3110:00 pm
ONT
- LGA
1 stop9h 46m
Delta
Fri 6/56:00 am
LGA
- ONT
1 stop7h 57m
Delta
Deal found 4/24![Delta logo]()
$288
One-way flights from Ontario to ConnecticutSearch for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
This Trip.com deal was found by Cheapflights users on 4/21. 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.
Mon 5/1111:36 am
ONT
- EWR
2 stops30h 53m
Frontier
Deal found 4/21![Frontier logo]()
$127
This Southwest deal was found by Cheapflights users on 4/21. 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.
Tue 5/129:55 pm
ONT
- PVD
1 stop7h 10m
Southwest
Deal found 4/21![Southwest logo]()
$127
This Frontier deal was found by Cheapflights users on 4/20. 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.
Sun 7/126:47 pm
ONT
- EWR
1 stop14h 43m
Frontier
Deal found 4/20![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 4/24. 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.
Tue 7/216:47 pm
ONT
- EWR
1 stop14h 44m
Frontier
Deal found 4/24![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/108:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$140
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/126:59 pm
ONT
- PVD
2 stops12h 22m
United Airlines
Deal found 4/21![United Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Tue 6/93:34 pm
ONT
- EWR
2 stops18h 11m
Frontier
Deal found 4/21![Frontier logo]()
$143
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/276:30 am
ONT
- LGA
1 stop8h 52m
United Airlines
Deal found 4/22![United Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Mon 5/188:06 pm
ONT
- JFK
2 stops36h 33m
Frontier
Deal found 4/21![Frontier logo]()
$144
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Tue 5/268:30 am
ONT
- LGA
1 stop10h 30m
Frontier
Deal found 4/21![Frontier logo]()
$145
This Kissandfly.com deal was found by Cheapflights users on 4/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:30 am
ONT
- LGA
1 stop10h 30m
Frontier
Deal found 4/23![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/276:00 am
ONT
- EWR
2 stops35h 21m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$146
Find flight deals from Ontario to Connecticut
Keep the following information in mind while searching for Ontario to Connecticut flight deals. Data was last updated April 25, 2026.
Round-trip from | $281 (Delta) |
|---|---|
One-way from | $127 (Trip.com) |
Popular in | April |
Cheapest in | January |
Average price | $486 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Connecticut 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 April 25, 2026.
Use the filters below to find and compare flights from Ontario to Connecticut that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 8/19
9:55 am-11:43 pm
2 stops10h 48m
New York LaGuardia
Sat 8/22
8:00 am-4:14 pm
2 stops11h 14m
$298
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Mon 6/1
10:00 pm-10:18 am
1 stop9h 18m
New York John F Kennedy Intl
Tue 6/9
6:00 am-10:40 am
1 stop7h 40m
$298
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sat 5/23
1:20 pm-11:20 pm
1 stop7h 00m
New York LaGuardia
Fri 5/29
6:55 am-1:10 pm
1 stop9h 15m
$333
Quickest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 8/1
11:24 pm-7:45 am
Nonstop5h 21m
New York John F Kennedy Intl
Mon 8/10
7:30 pm-10:35 pm
Nonstop6h 05m
$347
OntarioProvidence
ONT - PVD
ONTPVD
Ontario
Sun 7/12
10:00 pm-1:53 pm
2 stops12h 53m
Providence-TFGreen
Fri 7/17
2:50 pm-11:44 pm
2 stops11h 54m
$357
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sat 5/9
7:05 am-5:49 pm
1 stop7h 44m
New York LaGuardia
Wed 5/13
6:00 am-10:57 am
1 stop7h 57m
$358
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 6/11
11:54 pm-8:18 am
Nonstop5h 24m
New York John F Kennedy Intl
Fri 6/19
7:33 pm-10:39 pm
Nonstop6h 06m
$372
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Sat 5/9
1:29 pm-11:59 pm
1 stop7h 30m
Newark
Wed 5/13
6:00 am-10:57 am
1 stop7h 57m
$377
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 5/6
5:00 am-5:23 pm
1 stop9h 23m
New York LaGuardia
Wed 5/13
3:20 pm-10:35 pm
1 stop10h 15m
$381
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 5/6
12:49 pm-12:48 am
1 stop8h 59m
New York John F Kennedy Intl
Mon 5/11
1:11 pm-6:36 pm
1 stop8h 25m
$383
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Connecticut
Have a flexible travel schedule? Discover the best time to fly to Connecticut from Ontario with our price prediction graph.
ONT-JFK
ONT-LGA
ONT-PVD
ONT-EWR
ONT-BDL
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 Ontario to Connecticut
ONT-USCT
ONT-JFK
ONT-LGA
ONT-PVD
ONT-EWR
What is the cheapest month to book a flight from Ontario to Connecticut?
Currently, August is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $258). Flying from Ontario to Connecticut in March is currently the most expensive (average of $408). 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.
How much does it cost to fly round-trip from Ontario to Connecticut?
Reviews of airlines servicing Connecticut
Get insights into the airlines that provide service to Connecticut. 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 Connecticut. Reviews last updated April 25, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Connecticut have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Connecticut. 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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Alternative routes for Ontario to Connecticut
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Connecticut by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Connecticut by cabin class
Find flights from Ontario to Connecticut, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Connecticut flights
Browse other Ontario and Connecticut flight options. Last updated on April 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Connecticut flights
Consider these flights traveling from Ontario to Connecticut.
Top 4 airlines flying from Ontario to Connecticut
Discover the top 4 airlines that operate flights from Ontario to Connecticut. 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 2,558,603 searches. Data last updated April 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$471 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$434 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$342 | Average$528 | FlexibilityNo cancel fee | On-time69% |