$129+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Jul 26 — Aug 21
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 26, 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 26, 2026.
This Delta deal was found by Cheapflights users on 6/24. 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.
Fri 8/1410:00 pm
ONT
- JFK
1 stop8h 29m
Delta
Thu 8/203:40 pm
JFK
- ONT
1 stop9h 12m
Delta
Deal found 6/24![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 6/24. 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 8/712:33 pm
ONT
- LGA
1 stop8h 12m
American Airlines
Fri 8/147:30 am
LGA
- ONT
1 stop9h 01m
American Airlines
Deal found 6/24![American Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/24. 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 8/2112:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Sun 8/236:54 am
JFK
- ONT
1 stop9h 37m
American Airlines
Deal found 6/24![American Airlines logo]()
$312
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Tue 8/1810:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 6/22![Frontier logo]()
$313
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/215:05 pm
ONT
- JFK
1 stop10h 13m
Delta
Tue 8/256:00 am
JFK
- ONT
1 stop9h 16m
Delta
Deal found 6/26![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 6/25. 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.
Thu 11/267:00 am
ONT
- JFK
1 stop10h 07m
Delta
Wed 12/25:00 pm
JFK
- ONT
1 stop8h 14m
Delta
Deal found 6/25![Delta logo]()
$314
This Priceline deal was found by Cheapflights users on 6/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sun 8/1610:55 pm
LGA
- ONT
1 stop12h 46m
Frontier
Deal found 6/23![Frontier logo]()
$316
This Mytrip deal was found by Cheapflights users on 6/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Wed 8/2610:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 6/23![Frontier logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Sun 8/306:54 am
JFK
- ONT
1 stop7h 49m
American Airlines
Deal found 6/23![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 6/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:50 pm
ONT
- LGA
1 stop7h 10m
Southwest
Tue 7/146:05 am
LGA
- ONT
1 stop11h 50m
Southwest
Deal found 6/24![Southwest logo]()
$318
This American Airlines deal was found by Cheapflights users on 6/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:29 am
ONT
- JFK
1 stop9h 31m
American Airlines
Sun 8/306:54 am
JFK
- ONT
1 stop10h 00m
American Airlines
Deal found 6/25![American Airlines logo]()
$318
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Fri 8/710:55 pm
LGA
- ONT
1 stop12h 46m
Frontier
Deal found 6/22![Frontier logo]()
$319
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 26, 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 26, 2026.
This Delta deal was found by Cheapflights users on 6/25. 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.
Thu 11/267:00 am
ONT
- JFK
1 stop10h 07m
Delta
Wed 12/25:00 pm
JFK
- ONT
1 stop8h 14m
Delta
Deal found 6/25![Delta logo]()
$314
This JetBlue deal was found by Cheapflights users on 6/25. 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.
Tue 9/111:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Thu 9/105:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 6/25![JetBlue logo]()
$327
This Southwest deal was found by Cheapflights users on 6/25. 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 8/265:45 am
ONT
- LGA
2 stops8h 10m
Southwest
Mon 8/319:40 am
LGA
- ONT
2 stops12h 45m
Southwest
Deal found 6/25![Southwest logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 10/177:23 am
ONT
- JFK
1 stop9h 02m
Alaska Airlines
Wed 10/285:29 pm
JFK
- ONT
1 stop9h 24m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:15 am
ONT
- LGA
1 stop8h 44m
United Airlines
Wed 8/2610:15 am
LGA
- ONT
2 stops11h 01m
United Airlines
Deal found 6/25![United Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 6/21. 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 7/217:15 pm
ONT
- PVD
2 stops12h 42m
American Airlines
Tue 7/286:15 am
PVD
- ONT
2 stops10h 07m
American Airlines
Deal found 6/21![American Airlines logo]()
$391
This JetBlue deal was found by Cheapflights users on 6/25. 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.
Mon 8/1711:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sun 8/237:40 pm
JFK
- ONT
Nonstop6h 04m
JetBlue
Deal found 6/25![JetBlue logo]()
$327
This Delta deal was found by Cheapflights users on 6/21. 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 9/197:05 am
ONT
- LGA
1 stop9h 37m
Delta
Sun 9/276:00 am
LGA
- ONT
1 stop8h 07m
Delta
Deal found 6/21![Delta logo]()
$342
This Southwest deal was found by Cheapflights users on 6/25. 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.
Fri 11/65:35 am
ONT
- LGA
2 stops10h 20m
Southwest
Sun 11/88:00 am
LGA
- ONT
1 stop9h 05m
Southwest
Deal found 6/25![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 10/97:23 am
ONT
- JFK
1 stop9h 02m
Alaska Airlines
Sat 10/179:59 am
JFK
- ONT
1 stop9h 51m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$387
This JetBlue deal was found by Cheapflights users on 6/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:18 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 6/22![JetBlue logo]()
$352
This Delta deal was found by Cheapflights users on 6/25. 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.
Tue 10/2012:00 pm
ONT
- BDL
1 stop8h 45m
Delta
Wed 10/215:05 pm
BDL
- ONT
1 stop8h 09m
Delta
Deal found 6/25![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 6/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:55 pm
ONT
- BDL
2 stops9h 25m
Southwest
Sat 8/153:50 pm
BDL
- ONT
1 stop7h 20m
Southwest
Deal found 6/24![Southwest logo]()
$360
This JetBlue deal was found by Cheapflights users on 6/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:13 pm
ONT
- JFK
Nonstop5h 20m
JetBlue
Thu 8/207:30 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 6/24![JetBlue logo]()
$352
This KAYAK deal was found by Cheapflights users on 6/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:59 pm
ONT
- JFK
2 stops10h 48m
American Airlines
Thu 7/95:59 am
JFK
- ONT
2 stops10h 23m
American Airlines
Deal found 6/25![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 6/23. 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 9/1612:17 pm
ONT
- PVD
1 stop8h 40m
Delta
Tue 9/226:00 am
PVD
- ONT
1 stop8h 07m
Delta
Deal found 6/23![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/23. 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.
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 6/23![United Airlines logo]()
$465
This Southwest deal was found by Cheapflights users on 6/24. 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 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 stops9h 05m
Southwest
Wed 8/194:40 pm
LGA
- ONT
1 stop8h 25m
Southwest
Deal found 6/24![Southwest logo]()
$387
This JetBlue deal was found by Cheapflights users on 6/24. 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 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
Fri 8/77:30 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 6/24![JetBlue logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am
ONT
- BDL
1 stop8h 20m
United Airlines
Wed 9/210:33 am
BDL
- ONT
2 stops12h 28m
United Airlines
Deal found 6/25![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 6/23. 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 9/1512:17 pm
ONT
- PVD
1 stop8h 40m
Delta
Fri 9/185:10 pm
PVD
- ONT
1 stop8h 16m
Delta
Deal found 6/23![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 6/23. 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.
Wed 9/2311:55 pm
ONT
- BDL
1 stop9h 05m
Southwest
Mon 9/281:40 pm
BDL
- ONT
2 stops10h 00m
Southwest
Deal found 6/23![Southwest logo]()
$402
This JetBlue deal was found by Cheapflights users on 6/25. 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 9/119:10 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 9/155:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 6/25![JetBlue logo]()
$373
This United Airlines deal was found by Cheapflights users on 6/22. 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 12/161:00 pm
ONT
- EWR
1 stop7h 35m
United Airlines
Fri 1/82:00 pm
EWR
- ONT
1 stop9h 20m
United Airlines
Deal found 6/22![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 8/135:32 pm
ONT
- EWR
1 stop9h 27m
Alaska Airlines
Sun 8/166:30 am
EWR
- ONT
1 stop30h 26m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 7/157:05 am
ONT
- LGA
1 stop7h 44m
Delta
Thu 9/36:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 6/21![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 6/21. 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 9/911:55 pm
ONT
- PVD
1 stop12h 20m
Southwest
Sun 9/135:55 pm
PVD
- ONT
1 stop8h 40m
Southwest
Deal found 6/21![Southwest logo]()
$404
This JetBlue deal was found by Cheapflights users on 6/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:10 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 9/125:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 6/22![JetBlue logo]()
$402
This Delta deal was found by Cheapflights users on 6/22. 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.
Fri 8/2812:00 pm
ONT
- BDL
1 stop8h 58m
Delta
Wed 9/26:00 am
BDL
- ONT
1 stop7h 42m
Delta
Deal found 6/22![Delta logo]()
$406
This KAYAK deal was found by Cheapflights users on 6/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:15 pm
ONT
- EWR
1 stop7h 45m
American Airlines
Sat 7/185:00 am
EWR
- ONT
2 stops11h 23m
American Airlines
Deal found 6/25![American Airlines logo]()
$605
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated June 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/21. 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 7/210:25 am
ONT
- JFK
1 stop9h 05m
American Airlines
Thu 7/92:42 pm
JFK
- ONT
1 stop10h 50m
American Airlines
Deal found 6/21![American Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 6/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/58:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 7/1110:55 pm
LGA
- ONT
1 stop12h 42m
Frontier
Deal found 6/25![Frontier logo]()
$332
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Mon 7/610:10 pm
ONT
- JFK
1 stop9h 02m
American Airlines
Wed 7/86:30 am
JFK
- ONT
1 stop9h 52m
American Airlines
Deal found 6/24![American Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:34 am
ONT
- JFK
1 stop9h 22m
American Airlines
Thu 7/93:30 pm
JFK
- ONT
2 stops9h 13m
American Airlines
Deal found 6/23![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 6/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:50 pm
ONT
- LGA
1 stop7h 10m
Southwest
Tue 7/146:05 am
LGA
- ONT
1 stop11h 50m
Southwest
Deal found 6/24![Southwest logo]()
$318
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:25 am
ONT
- LGA
1 stop8h 04m
American Airlines
Tue 7/216:30 am
LGA
- ONT
1 stop9h 52m
American Airlines
Deal found 6/23![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 6/21. 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 7/1610:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Tue 9/16:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 6/21![Delta logo]()
$333
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Mon 7/2010:55 pm
LGA
- ONT
1 stop12h 42m
Frontier
Deal found 6/22![Frontier logo]()
$327
This Delta deal was found by Cheapflights users on 6/23. 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.
Sat 7/185:10 pm
ONT
- JFK
1 stop10h 08m
Delta
Wed 8/196:00 am
JFK
- ONT
1 stop9h 16m
Delta
Deal found 6/23![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:11 pm
ONT
- JFK
1 stop7h 47m
American Airlines
Tue 7/287:02 am
JFK
- ONT
1 stop14h 16m
American Airlines
Deal found 6/22![American Airlines logo]()
$331
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Mon 7/2710:55 pm
LGA
- ONT
1 stop12h 42m
Frontier
Deal found 6/22![Frontier logo]()
$313
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:59 pm
ONT
- LGA
1 stop9h 14m
American Airlines
Tue 8/44:00 pm
LGA
- ONT
1 stop9h 32m
American Airlines
Deal found 6/22![American Airlines logo]()
$317
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 26, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
This Frontier deal was found by Cheapflights users on 6/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Deal found 6/21![Frontier logo]()
$129
This Jetabroad deal was found by Cheapflights users on 6/25. 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 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 6/25![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 6/25. 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 Super.com 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
Deal found 6/25![Frontier logo]()
$132
This Jetabroad deal was found by Cheapflights users on 6/21. 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 Jetabroad 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
Deal found 6/21![Frontier logo]()
$133
This Delta deal was found by Cheapflights users on 6/24. 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.
Tue 8/1812:00 pm
ONT
- JFK
1 stop10h 14m
Delta
Deal found 6/24![Delta logo]()
$133
This Delta deal was found by Cheapflights users on 6/23. 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 9/1612:17 pm
ONT
- LGA
1 stop7h 24m
Delta
Deal found 6/23![Delta logo]()
$134
This Delta deal was found by Cheapflights users on 6/23. 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 9/226:00 pm
ONT
- JFK
1 stop9h 53m
Delta
Deal found 6/23![Delta logo]()
$134
This Trip.com deal was found by Cheapflights users on 6/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Deal found 6/22![Frontier logo]()
$135
This American Airlines deal was found by Cheapflights users on 6/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/111:11 pm
ONT
- JFK
1 stop7h 47m
American Airlines
Deal found 6/25![American Airlines logo]()
$135
This Jetabroad deal was found by Cheapflights users on 6/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Deal found 6/25![Frontier logo]()
$138
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
ONT
- JFK
1 stop9h 30m
American Airlines
Deal found 6/22![American Airlines logo]()
$138
This Southwest deal was found by Cheapflights users on 6/23. 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 7/45:40 am
ONT
- LGA
2 stops8h 30m
Southwest
Deal found 6/23![Southwest 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 26, 2026.
Round-trip from | $311 (Delta) |
|---|---|
One-way from | $129 (Frontier) |
Popular in | April |
Cheapest in | January |
Average price | $511 |
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 26, 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 - JFK
ONTJFK
Ontario
Thu 11/26
7:00 am-8:07 pm
1 stop10h 07m
New York John F Kennedy Intl
Wed 12/2
5:00 pm-10:14 pm
1 stop8h 14m
$314
Quickest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 9/1
11:59 pm-8:20 am
Nonstop5h 21m
New York John F Kennedy Intl
Thu 9/10
5:15 pm-8:13 pm
Nonstop5h 58m
$327
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Mon 8/17
11:59 pm-8:20 am
Nonstop5h 21m
New York John F Kennedy Intl
Sun 8/23
7:40 pm-10:44 pm
Nonstop6h 04m
$327
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sat 9/19
7:05 am-7:42 pm
1 stop9h 37m
New York LaGuardia
Sun 9/27
6:00 am-11:07 am
1 stop8h 07m
$342
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 8/1
11:18 pm-7:39 am
Nonstop5h 21m
New York John F Kennedy Intl
Tue 8/18
7:29 pm-10:37 pm
Nonstop6h 08m
$352
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 8/15
11:13 pm-7:33 am
Nonstop5h 20m
New York John F Kennedy Intl
Thu 8/20
7:30 pm-10:38 pm
Nonstop6h 08m
$352
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 8/26
5:45 am-4:55 pm
2 stops8h 10m
New York LaGuardia
Mon 8/31
9:40 am-7:25 pm
2 stops12h 45m
$353
OntarioHartford
ONT - BDL
ONTBDL
Ontario
Tue 10/20
12:00 pm-11:45 pm
1 stop8h 45m
Hartford Bradley Intl
Wed 10/21
5:05 pm-10:14 pm
1 stop8h 09m
$355
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 10/17
7:23 am-7:25 pm
1 stop9h 02m
New York John F Kennedy Intl
Wed 10/28
5:29 pm-11:53 pm
1 stop9h 24m
$357
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 11/6
5:35 am-6:55 pm
2 stops10h 20m
New York LaGuardia
Sun 11/8
8:00 am-2:05 pm
1 stop9h 05m
$357
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-PVD
ONT-BDL
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-LGA
ONT-JFK
ONT-PVD
ONT-BDL
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 26, 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.
Overall
7.9
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
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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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 26, 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$485 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$456 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$379 | Average$548 | FlexibilityNo cancel fee | On-time69% |