$126+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Jul 20 — Jul 271
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 June 20, 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 June 20, 2026.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/35:34 am
ONT
- JFK
1 stop9h 22m
American Airlines
Fri 7/105:00 pm
JFK
- ONT
1 stop7h 43m
American Airlines
Deal found 6/16![American Airlines logo]()
$302
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/1510:55 pm
LGA
- ONT
1 stop12h 46m
Frontier
Deal found 6/16![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Thu 8/1310:55 pm
LGA
- ONT
1 stop12h 46m
Frontier
Deal found 6/16![Frontier logo]()
$304
This Booking.com deal was found by Cheapflights users on 6/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/1510:55 pm
LGA
- ONT
1 stop12h 46m
Frontier
Deal found 6/16![Frontier logo]()
$305
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 9/1112:17 pm
ONT
- LGA
1 stop7h 24m
Delta
Tue 9/156:00 am
LGA
- ONT
1 stop7h 47m
Delta
Deal found 6/16![Delta logo]()
$307
This JetBlue deal was found by Cheapflights users on 6/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Mon 8/317:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 6/14![JetBlue logo]()
$307
This Frontier deal was found by Cheapflights users on 6/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Thu 8/1310:55 pm
LGA
- ONT
1 stop12h 46m
Frontier
Deal found 6/17![Frontier logo]()
$308
This JetBlue deal was found by Cheapflights users on 6/17. 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.
Mon 8/1011:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Wed 8/197:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 6/17![JetBlue logo]()
$308
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 6/15![JetBlue logo]()
$309
This Booking.com deal was found by Cheapflights users on 6/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Thu 7/3010:55 pm
LGA
- ONT
1 stop12h 42m
Frontier
Deal found 6/16![Frontier logo]()
$311
This American Airlines deal was found by Cheapflights users on 6/16. 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 6/307:00 am
ONT
- LGA
1 stop10h 29m
American Airlines
Sat 7/48:35 am
LGA
- ONT
1 stop7h 45m
American Airlines
Deal found 6/16![American Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:25 am
ONT
- JFK
2 stops11h 18m
American Airlines
Tue 10/612:04 pm
JFK
- ONT
1 stop11h 00m
American Airlines
Deal found 6/17![American Airlines logo]()
$312
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 June 20, 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 June 20, 2026.
This Delta deal was found by Cheapflights users on 6/15. 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.
Fri 9/1112:17 pm
ONT
- LGA
1 stop7h 24m
Delta
Sun 9/136:00 am
LGA
- ONT
1 stop8h 04m
Delta
Deal found 6/15![Delta logo]()
$303
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 6/15![JetBlue logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:14 pm
ONT
- JFK
1 stop8h 47m
Alaska Airlines
Thu 10/155:20 pm
JFK
- ONT
1 stop9h 33m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 9/117:00 am
ONT
- LGA
1 stop9h 25m
United Airlines
Sat 9/122:25 pm
LGA
- ONT
1 stop8h 32m
United Airlines
Deal found 6/15![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:10 am
ONT
- LGA
1 stop9h 45m
Southwest
Mon 8/316:10 am
LGA
- ONT
2 stops10h 15m
Southwest
Deal found 6/19![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 6/15. 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.
Mon 9/710:00 pm
ONT
- LGA
1 stop7h 09m
Delta
Sun 9/136:00 am
LGA
- ONT
1 stop8h 04m
Delta
Deal found 6/15![Delta logo]()
$303
This KAYAK deal was found by Cheapflights users on 6/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:00 pm
ONT
- LGA
1 stop7h 50m
Delta
Wed 9/166:00 am
LGA
- ONT
1 stop7h 47m
Delta
Deal found 6/16![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:20 pm
ONT
- BDL
2 stops10h 30m
Southwest
Sat 11/217:30 am
BDL
- ONT
1 stop9h 25m
Southwest
Deal found 6/18![Southwest logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:14 pm
ONT
- JFK
1 stop8h 47m
Alaska Airlines
Wed 9/237:25 am
JFK
- ONT
1 stop9h 51m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:40 am
ONT
- PVD
1 stop7h 25m
Southwest
Sun 10/2511:40 am
PVD
- ONT
1 stop14h 10m
Southwest
Deal found 6/19![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 6/15. 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.
Tue 9/296:00 am
ONT
- EWR
1 stop7h 49m
Delta
Tue 10/67:00 am
EWR
- ONT
1 stop8h 30m
Delta
Deal found 6/15![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 8/146:00 am
ONT
- LGA
1 stop10h 25m
United Airlines
Mon 8/173:29 pm
LGA
- ONT
1 stop10h 06m
United Airlines
Deal found 6/16![United Airlines logo]()
$452
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:56 pm
ONT
- JFK
Nonstop5h 24m
JetBlue
Wed 7/87:40 pm
JFK
- ONT
Nonstop6h 04m
JetBlue
Deal found 6/15![JetBlue logo]()
$458
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:40 pm
ONT
- PVD
1 stop7h 25m
Southwest
Wed 7/295:55 am
PVD
- ONT
1 stop9h 10m
Southwest
Deal found 6/19![Southwest logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:50 pm
ONT
- EWR
2 stops27h 39m
Alaska Airlines
Tue 10/65:43 pm
EWR
- ONT
1 stop19h 38m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:13 pm
ONT
- EWR
1 stop9h 47m
Delta
Wed 10/72:30 pm
EWR
- ONT
1 stop10h 44m
Delta
Deal found 6/19![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/18. 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 9/256:00 am
ONT
- LGA
1 stop10h 19m
United Airlines
Wed 9/3011:20 am
LGA
- ONT
2 stops12h 11m
United Airlines
Deal found 6/18![United Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:55 pm
ONT
- BDL
1 stop9h 05m
Southwest
Mon 9/288:00 am
BDL
- ONT
1 stop11h 10m
Southwest
Deal found 6/17![Southwest logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:52 pm
ONT
- EWR
1 stop9h 06m
Alaska Airlines
Tue 11/247:17 am
EWR
- ONT
1 stop10h 30m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 9/2411:59 am
ONT
- EWR
1 stop7h 25m
Delta
Sun 9/276:00 am
EWR
- ONT
1 stop7h 47m
Delta
Deal found 6/16![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 9/221:18 pm
ONT
- BDL
1 stop7h 25m
United Airlines
Tue 9/295:03 pm
BDL
- ONT
1 stop8h 46m
United Airlines
Deal found 6/20![United Airlines logo]()
$465
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:00 am
ONT
- LGA
1 stop7h 55m
Southwest
Fri 11/133:05 pm
LGA
- ONT
2 stops10h 50m
Southwest
Deal found 6/17![Southwest logo]()
$408
This JetBlue deal was found by Cheapflights users on 6/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:10 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sun 9/275:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 6/16![JetBlue logo]()
$547
This Delta deal was found by Cheapflights users on 6/17. 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.
Tue 9/1511:59 am
ONT
- EWR
1 stop9h 00m
Delta
Sun 9/206:00 am
EWR
- ONT
1 stop7h 47m
Delta
Deal found 6/17![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/19. 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 8/207:13 pm
ONT
- BDL
2 stops12h 19m
United Airlines
Wed 9/210:33 am
BDL
- ONT
2 stops12h 28m
United Airlines
Deal found 6/19![United Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:47 am
ONT
- EWR
1 stop9h 42m
Alaska Airlines
Sat 9/126:55 am
EWR
- ONT
1 stop13h 23m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 6/17. 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.
Wed 10/1412:00 pm
ONT
- LGA
1 stop8h 41m
Delta
Mon 10/193:00 pm
LGA
- ONT
1 stop10h 14m
Delta
Deal found 6/17![Delta logo]()
$383
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:50 am
ONT
- PVD
1 stop7h 30m
Southwest
Mon 11/166:40 am
PVD
- ONT
1 stop14h 35m
Southwest
Deal found 6/19![Southwest logo]()
$435
This Delta deal was found by Cheapflights users on 6/17. 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.
Wed 12/1612:00 pm
ONT
- JFK
1 stop9h 59m
Delta
Wed 12/305:59 pm
JFK
- ONT
1 stop8h 49m
Delta
Deal found 6/17![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 8/121:18 pm
ONT
- EWR
1 stop8h 41m
United Airlines
Mon 8/173:59 pm
EWR
- ONT
1 stop9h 00m
United Airlines
Deal found 6/15![United Airlines logo]()
$519
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated June 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:00 am
ONT
- LGA
1 stop10h 29m
American Airlines
Mon 6/295:59 pm
LGA
- ONT
1 stop9h 00m
American Airlines
Deal found 6/18![American Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:00 pm
ONT
- JFK
1 stop10h 27m
American Airlines
Sat 7/47:59 am
JFK
- ONT
2 stops15h 00m
American Airlines
Deal found 6/17![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 6/16. 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 6/307:00 am
ONT
- LGA
1 stop10h 29m
American Airlines
Sat 7/48:35 am
LGA
- ONT
1 stop7h 45m
American Airlines
Deal found 6/16![American Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 6/3010:22 am
ONT
- JFK
1 stop9h 07m
American Airlines
Fri 7/312:29 pm
JFK
- ONT
1 stop8h 49m
American Airlines
Deal found 6/15![American Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 6/307:00 am
ONT
- JFK
1 stop10h 20m
American Airlines
Sat 7/45:59 am
JFK
- ONT
1 stop10h 23m
American Airlines
Deal found 6/15![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/35:34 am
ONT
- JFK
1 stop9h 22m
American Airlines
Fri 7/105:00 pm
JFK
- ONT
1 stop7h 43m
American Airlines
Deal found 6/16![American Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 6/17. 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.
Fri 7/31:00 pm
ONT
- JFK
1 stop7h 52m
Delta
Thu 7/96:00 am
JFK
- ONT
1 stop9h 10m
Delta
Deal found 6/17![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:34 am
ONT
- JFK
1 stop9h 22m
American Airlines
Wed 7/85:59 am
JFK
- ONT
2 stops10h 23m
American Airlines
Deal found 6/17![American Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 7/46:11 am
ONT
- JFK
2 stops12h 49m
American Airlines
Wed 7/85:25 pm
JFK
- ONT
1 stop9h 34m
American Airlines
Deal found 6/16![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 7/67:15 pm
ONT
- JFK
1 stop7h 32m
American Airlines
Thu 7/97:02 am
JFK
- ONT
1 stop8h 00m
American Airlines
Deal found 6/15![American Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 7/181:11 pm
ONT
- EWR
1 stop7h 48m
American Airlines
Wed 7/225:51 am
EWR
- ONT
1 stop10h 31m
American Airlines
Deal found 6/15![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/301:11 pm
ONT
- JFK
1 stop7h 47m
American Airlines
Tue 8/47:02 am
JFK
- ONT
1 stop17h 41m
American Airlines
Deal found 6/16![American Airlines logo]()
$332
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 June 20, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Orbitz deal was found by Cheapflights users on 6/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:47 pm
ONT
- EWR
1 stop14h 43m
Frontier
Deal found 6/16![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 6/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:47 pm
ONT
- EWR
1 stop14h 43m
Frontier
Deal found 6/17![Frontier logo]()
$128
This Trip.com deal was found by Cheapflights users on 6/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:07 am
ONT
- LGA
1 stop10h 53m
Frontier
Deal found 6/17![Frontier logo]()
$130
This Jetabroad deal was found by Cheapflights users on 6/19. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:07 am
ONT
- LGA
1 stop10h 53m
Frontier
Deal found 6/19![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 6/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:47 pm
ONT
- EWR
1 stop14h 43m
Frontier
Deal found 6/15![Frontier logo]()
$131
This Jetabroad deal was found by Cheapflights users on 6/19. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:37 am
ONT
- LGA
1 stop9h 23m
Frontier
Deal found 6/19![Frontier logo]()
$133
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:05 am
ONT
- LGA
1 stop7h 46m
Delta
Deal found 6/19![Delta logo]()
$134
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:05 am
ONT
- JFK
1 stop8h 37m
Delta
Deal found 6/19![Delta logo]()
$134
This Trip.com deal was found by Cheapflights users on 6/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 am
ONT
- JFK
1 stop9h 51m
Delta
Deal found 6/17![Delta logo]()
$136
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:11 pm
ONT
- JFK
1 stop7h 47m
American Airlines
Deal found 6/19![American Airlines logo]()
$138
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:55 pm
ONT
- LGA
1 stop8h 30m
Southwest
Deal found 6/16![Southwest logo]()
$139
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 9/1611:59 am
ONT
- JFK
1 stop10h 00m
Delta
Deal found 6/16![Delta logo]()
$139
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 June 20, 2026.
Round-trip from | $302 (American Airlines) |
|---|---|
One-way from | $126 (Orbitz) |
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 June 20, 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
Fri 9/11
12:17 pm-10:41 pm
1 stop7h 24m
New York LaGuardia
Sun 9/13
6:00 am-11:04 am
1 stop8h 04m
$303
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Mon 9/7
10:00 pm-8:09 am
1 stop7h 09m
New York LaGuardia
Sun 9/13
6:00 am-11:04 am
1 stop8h 04m
$303
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Mon 8/10
11:50 pm-8:11 am
Nonstop5h 21m
New York John F Kennedy Intl
Tue 8/18
7:30 pm-10:35 pm
Nonstop6h 05m
$309
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sun 9/13
12:00 pm-10:50 pm
1 stop7h 50m
New York LaGuardia
Wed 9/16
6:00 am-10:47 am
1 stop7h 47m
$347
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sun 9/27
6:14 pm-6:01 am
1 stop8h 47m
New York John F Kennedy Intl
Thu 10/15
5:20 pm-11:53 pm
1 stop9h 33m
$357
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 9/29
6:00 am-4:49 pm
1 stop7h 49m
Newark
Tue 10/6
7:00 am-12:30 pm
1 stop8h 30m
$369
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 9/29
5:13 pm-6:00 am
1 stop9h 47m
Newark
Wed 10/7
2:30 pm-10:14 pm
1 stop10h 44m
$369
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 9/11
7:00 am-7:25 pm
1 stop9h 25m
New York LaGuardia
Sat 9/12
2:25 pm-7:57 pm
1 stop8h 32m
$377
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 8/28
8:10 am-8:55 pm
1 stop9h 45m
New York LaGuardia
Mon 8/31
6:10 am-1:25 pm
2 stops10h 15m
$377
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Thu 9/24
11:59 am-10:24 pm
1 stop7h 25m
Newark
Sun 9/27
6:00 am-10:47 am
1 stop7h 47m
$379
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-BDL
ONT-PVD
ONT-EWR
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-BDL
ONT-PVD
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 April is currently the most expensive (average of $523). 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 June 20, 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.
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 June 20, 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$485 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$456 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$379 | Average$546 | FlexibilityNo cancel fee | On-time69% |