$133+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Aug 16 — Aug 231
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 July 17, 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 July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:07 am
ONT
- LGA
1 stop10h 53m
Frontier
Tue 10/2710:55 pm
LGA
- ONT
2 stops17h 45m
Frontier
Deal found 7/14![Frontier logo]()
$311
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Wed 8/266:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 7/13![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:05 pm
ONT
- JFK
1 stop10h 13m
Delta
Wed 8/191:10 pm
JFK
- ONT
1 stop9h 43m
Delta
Deal found 7/14![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/115:45 am
ONT
- LGA
2 stops8h 10m
Southwest
Wed 8/196:00 am
LGA
- ONT
2 stops9h 40m
Southwest
Deal found 7/13![Southwest logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:09 pm
ONT
- LGA
2 stops25h 50m
Frontier
Thu 8/2010:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/16![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:37 am
ONT
- EWR
1 stop23h 54m
Frontier
Wed 8/261:35 pm
EWR
- ONT
1 stop22h 03m
Frontier
Deal found 7/16![Frontier logo]()
$314
This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 9/56:50 pm
JFK
- ONT
Nonstop6h 09m
JetBlue
Deal found 7/14![JetBlue logo]()
$314
This Kissandfly.com deal was found by Cheapflights users on 7/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:00 pm
ONT
- LGA
1 stop9h 41m
Frontier
Tue 8/1810:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/15![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:07 am
ONT
- EWR
1 stop25h 20m
Frontier
Wed 10/281:30 pm
EWR
- ONT
1 stop20h 42m
Frontier
Deal found 7/14![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 7/17. 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.
Tue 9/89:37 am
ONT
- LGA
1 stop9h 23m
Frontier
Tue 9/1510:55 pm
LGA
- ONT
1 stop11h 17m
Frontier
Deal found 7/17![Frontier logo]()
$317
This JetBlue deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Tue 9/811:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Fri 9/115:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/13![JetBlue logo]()
$317
This Trip.com deal was found by Cheapflights users on 7/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Fri 8/2110:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/14![Frontier logo]()
$318
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 July 17, 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 July 17, 2026.
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:55 pm
ONT
- LGA
1 stop9h 55m
Southwest
Wed 8/261:25 pm
LGA
- ONT
1 stop9h 10m
Southwest
Deal found 7/14![Southwest logo]()
$312
This JetBlue deal was found by Cheapflights users on 7/14. 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.
Mon 8/3111:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Wed 9/165:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/14![JetBlue logo]()
$327
This Delta deal was found by Cheapflights users on 7/17. 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 10/712:18 pm
ONT
- LGA
1 stop7h 25m
Delta
Sat 10/106:00 am
LGA
- ONT
1 stop8h 08m
Delta
Deal found 7/17![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:15 am
ONT
- LGA
1 stop9h 42m
United Airlines
Tue 9/1510:15 am
LGA
- ONT
2 stops12h 46m
United Airlines
Deal found 7/14![United Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:47 am
ONT
- EWR
1 stop9h 42m
Alaska Airlines
Wed 9/307:20 am
EWR
- ONT
1 stop9h 56m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/56:00 am
ONT
- PVD
1 stop21h 00m
Multiple Airlines
Mon 8/105:09 pm
PVD
- ONT
2 stops33h 41m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$455
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/115:45 am
ONT
- LGA
2 stops8h 10m
Southwest
Wed 8/196:00 am
LGA
- ONT
2 stops9h 40m
Southwest
Deal found 7/13![Southwest logo]()
$313
This Delta deal was found by Cheapflights users on 7/17. 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.
Mon 10/510:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Sat 10/106:00 am
LGA
- ONT
1 stop8h 08m
Delta
Deal found 7/17![Delta logo]()
$328
This JetBlue deal was found by Cheapflights users on 7/15. 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 8/3111:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Wed 9/95:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/15![JetBlue logo]()
$337
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/167:00 am
ONT
- LGA
1 stop10h 50m
Southwest
Tue 8/256:00 am
LGA
- ONT
2 stops9h 40m
Southwest
Deal found 7/13![Southwest logo]()
$323
This JetBlue deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 7/3111:51 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Tue 9/17:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/12![JetBlue logo]()
$342
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/310:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Tue 9/16:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 7/12![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Tue 9/296:00 am
ONT
- LGA
2 stops14h 30m
United Airlines
Tue 10/610:00 am
LGA
- ONT
2 stops13h 31m
United Airlines
Deal found 7/16![United Airlines logo]()
$397
This JetBlue deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/1011:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/13![JetBlue logo]()
$367
This Delta deal was found by Cheapflights users on 7/17. 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.
Mon 10/510:00 pm
ONT
- EWR
1 stop8h 24m
Delta
Tue 10/137:00 am
EWR
- ONT
1 stop8h 22m
Delta
Deal found 7/17![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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.
Tue 10/66:02 am
ONT
- EWR
1 stop9h 27m
Alaska Airlines
Tue 10/139:30 am
EWR
- ONT
1 stop11h 33m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:55 pm
ONT
- PVD
1 stop9h 10m
Southwest
Sat 8/294:15 pm
PVD
- ONT
1 stop7h 35m
Southwest
Deal found 7/14![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/286:00 am
ONT
- LGA
1 stop10h 25m
United Airlines
Mon 8/3110:20 am
LGA
- ONT
2 stops14h 39m
United Airlines
Deal found 7/12![United Airlines logo]()
$427
This JetBlue deal was found by Cheapflights users on 7/14. 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.
Sun 9/611:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 9/125:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/14![JetBlue logo]()
$377
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/1711:55 pm
ONT
- PVD
2 stops9h 50m
Southwest
Thu 8/201:00 pm
PVD
- ONT
1 stop9h 20m
Southwest
Deal found 7/13![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 7/17. 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 11/1012:00 pm
ONT
- PVD
1 stop8h 43m
Delta
Wed 11/185:00 pm
PVD
- ONT
2 stops9h 48m
Delta
Deal found 7/17![Delta logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Tue 9/294:50 pm
ONT
- EWR
2 stops27h 39m
Alaska Airlines
Sat 10/37:00 am
EWR
- ONT
2 stops12h 02m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 8/207:13 pm
ONT
- BDL
2 stops12h 19m
United Airlines
Wed 9/24:50 pm
BDL
- ONT
1 stop8h 45m
United Airlines
Deal found 7/15![United Airlines logo]()
$448
This JetBlue deal was found by Cheapflights users on 7/15. 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.
Tue 8/1111:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Mon 8/177:30 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/15![JetBlue logo]()
$387
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/47:45 am
ONT
- LGA
2 stops9h 30m
Southwest
Mon 8/1010:20 am
LGA
- ONT
1 stop12h 00m
Southwest
Deal found 7/13![Southwest logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/266:02 am
ONT
- EWR
2 stops14h 27m
Alaska Airlines
Wed 9/25:02 pm
EWR
- ONT
1 stop19h 49m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/115:05 pm
ONT
- EWR
1 stop9h 55m
Delta
Wed 8/196:00 am
EWR
- ONT
1 stop7h 42m
Delta
Deal found 7/13![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 9/127:00 am
ONT
- BDL
1 stop7h 45m
United Airlines
Wed 9/1612:12 pm
BDL
- ONT
2 stops10h 49m
United Airlines
Deal found 7/15![United Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:15 am
ONT
- LGA
2 stops8h 30m
Southwest
Fri 8/216:10 am
LGA
- ONT
2 stops10h 15m
Southwest
Deal found 7/15![Southwest logo]()
$392
This JetBlue deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/211:58 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Sun 8/307:40 pm
JFK
- ONT
Nonstop6h 04m
JetBlue
Deal found 7/12![JetBlue logo]()
$397
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated July 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:05 am
ONT
- LGA
1 stop7h 45m
Delta
Thu 8/136:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 7/16![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:05 pm
ONT
- JFK
1 stop10h 13m
Delta
Wed 8/191:10 pm
JFK
- ONT
1 stop9h 43m
Delta
Deal found 7/14![Delta logo]()
$312
This Kissandfly.com deal was found by Cheapflights users on 7/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:00 pm
ONT
- LGA
1 stop9h 41m
Frontier
Tue 8/1810:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/15![Frontier logo]()
$315
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/115:45 am
ONT
- LGA
2 stops8h 10m
Southwest
Wed 8/196:00 am
LGA
- ONT
2 stops9h 40m
Southwest
Deal found 7/13![Southwest logo]()
$313
This JetBlue deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Tue 8/1111:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Fri 9/115:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/13![JetBlue logo]()
$317
This Trip.com deal was found by Cheapflights users on 7/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Fri 8/2110:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/14![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:09 pm
ONT
- LGA
2 stops25h 50m
Frontier
Thu 8/2010:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/16![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 7/17. 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.
Mon 8/178:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/2910:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/17![Frontier logo]()
$317
This American Airlines deal was found by Cheapflights users on 7/17. 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 8/1712:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Sun 8/235:20 pm
JFK
- ONT
1 stop7h 35m
American Airlines
Deal found 7/17![American Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:37 am
ONT
- EWR
1 stop23h 54m
Frontier
Wed 8/261:35 pm
EWR
- ONT
1 stop22h 03m
Frontier
Deal found 7/16![Frontier logo]()
$314
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Wed 8/266:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 7/13![Delta logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 9/56:50 pm
JFK
- ONT
Nonstop6h 09m
JetBlue
Deal found 7/14![JetBlue logo]()
$314
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 July 17, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 10/510:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Deal found 7/13![Delta logo]()
$133
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/141:06 pm
ONT
- JFK
1 stop7h 41m
Delta
Deal found 7/13![Delta logo]()
$133
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 7/3111:48 am
ONT
- LGA
1 stop8h 36m
Delta
Deal found 7/13![Delta logo]()
$134
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 7/3111:48 am
ONT
- JFK
1 stop8h 21m
Delta
Deal found 7/13![Delta logo]()
$134
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate 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 7/15![Frontier logo]()
$135
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Wed 9/910:25 am
ONT
- JFK
1 stop8h 04m
American Airlines
Deal found 7/15![American Airlines logo]()
$135
This Jetabroad deal was found by Cheapflights users on 7/14. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Deal found 7/14![Frontier logo]()
$136
This CheapOair deal was found by Cheapflights users on 7/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:07 am
ONT
- LGA
1 stop10h 53m
Frontier
Deal found 7/15![Frontier logo]()
$137
This Delta deal was found by Cheapflights users on 7/15. 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 8/412:00 pm
ONT
- LGA
1 stop8h 24m
Delta
Deal found 7/15![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 7/16. 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 8/1312:00 pm
ONT
- JFK
1 stop10h 14m
Delta
Deal found 7/16![Delta logo]()
$139
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 8/37:15 pm
ONT
- JFK
1 stop7h 32m
American Airlines
Deal found 7/16![American Airlines logo]()
$140
This American Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 7/2811:59 pm
ONT
- JFK
2 stops10h 48m
American Airlines
Deal found 7/13![American Airlines logo]()
$141
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 July 17, 2026.
Round-trip from | $311 (Kiwi.com) |
|---|---|
One-way from | $133 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $464 |
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 July 17, 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
Sun 8/23
11:55 pm-12:50 pm
1 stop9h 55m
New York LaGuardia
Wed 8/26
1:25 pm-7:35 pm
1 stop9h 10m
$312
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Tue 8/11
5:45 am-4:55 pm
2 stops8h 10m
New York LaGuardia
Wed 8/19
6:00 am-12:40 pm
2 stops9h 40m
$313
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sun 8/16
7:00 am-8:50 pm
1 stop10h 50m
New York LaGuardia
Tue 8/25
6:00 am-12:40 pm
2 stops9h 40m
$323
Quickest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Mon 8/31
11:59 pm-8:20 am
Nonstop5h 21m
New York John F Kennedy Intl
Wed 9/16
5:15 pm-8:13 pm
Nonstop5h 58m
$327
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 10/7
12:18 pm-10:43 pm
1 stop7h 25m
New York LaGuardia
Sat 10/10
6:00 am-11:08 am
1 stop8h 08m
$328
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Mon 10/5
10:00 pm-8:10 am
1 stop7h 10m
New York LaGuardia
Sat 10/10
6:00 am-11:08 am
1 stop8h 08m
$328
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Mon 8/31
11:59 pm-8:20 am
Nonstop5h 21m
New York John F Kennedy Intl
Wed 9/9
5:15 pm-8:13 pm
Nonstop5h 58m
$337
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 7/31
11:51 pm-8:13 am
Nonstop5h 22m
New York John F Kennedy Intl
Tue 9/1
7:29 pm-10:37 pm
Nonstop6h 08m
$342
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Mon 8/3
10:00 pm-8:10 am
1 stop7h 10m
New York LaGuardia
Tue 9/1
6:00 am-10:42 am
1 stop7h 42m
$352
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Mon 8/10
11:59 pm-8:20 am
Nonstop5h 21m
New York John F Kennedy Intl
Tue 8/18
7:29 pm-10:37 pm
Nonstop6h 08m
$367
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-LGA
ONT-JFK
ONT-EWR
ONT-PVD
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-LGA
ONT-JFK
ONT-EWR
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 July 17, 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.
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
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 July 17, 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 July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$484 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$456 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$379 | Average$548 | FlexibilityNo cancel fee | On-time69% |