$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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Aug 5 — Aug 121
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 6, 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 6, 2026.
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Thu 8/2010:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/1![Frontier logo]()
$311
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/118:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Mon 7/1310:55 pm
LGA
- ONT
1 stop12h 42m
Frontier
Deal found 7/3![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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
Tue 8/251:35 pm
EWR
- ONT
1 stop22h 01m
Frontier
Deal found 7/3![Frontier logo]()
$312
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:25 am
ONT
- JFK
2 stops11h 18m
American Airlines
Tue 9/2910:30 am
JFK
- ONT
2 stops11h 23m
American Airlines
Deal found 7/1![American Airlines logo]()
$312
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Tue 8/1810:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/1![Frontier logo]()
$313
This lol.travel deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/1![JetBlue logo]()
$313
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/2910:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/1![Frontier logo]()
$314
This lol.travel deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Wed 8/197:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/5![JetBlue logo]()
$316
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/216:00 am
ONT
- LGA
1 stop10h 29m
American Airlines
Sun 8/306:30 am
LGA
- ONT
1 stop8h 13m
American Airlines
Deal found 7/3![American Airlines logo]()
$317
This JetBlue deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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
Sat 9/56:50 pm
JFK
- ONT
Nonstop6h 09m
JetBlue
Deal found 7/2![JetBlue logo]()
$317
This Booking.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sun 8/1610:55 pm
LGA
- ONT
1 stop12h 46m
Frontier
Deal found 7/1![Frontier logo]()
$318
This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Mon 8/1710:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/2![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 July 6, 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 6, 2026.
This JetBlue deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:10 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 9/195:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/1![JetBlue logo]()
$317
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/2711:48 am
ONT
- LGA
1 stop7h 39m
Delta
Tue 7/286:00 am
LGA
- ONT
1 stop7h 38m
Delta
Deal found 7/3![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/257:00 am
ONT
- LGA
1 stop8h 25m
United Airlines
Wed 8/2611:20 am
LGA
- ONT
2 stops12h 33m
United Airlines
Deal found 7/5![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/2811:55 pm
ONT
- LGA
1 stop8h 20m
Southwest
Sat 8/16:00 am
LGA
- ONT
2 stops13h 20m
Southwest
Deal found 7/4![Southwest logo]()
$393
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/2810:10 pm
ONT
- PVD
1 stop9h 47m
American Airlines
Tue 8/44:42 pm
PVD
- ONT
1 stop8h 52m
American Airlines
Deal found 7/4![American Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/297:12 am
ONT
- EWR
2 stops20h 18m
Alaska Airlines
Tue 10/65:43 pm
EWR
- ONT
1 stop19h 38m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Tue 8/116:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 7/1![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 11/1010:50 am
ONT
- PVD
1 stop7h 30m
Southwest
Mon 11/166:40 am
PVD
- ONT
1 stop14h 35m
Southwest
Deal found 7/4![Southwest logo]()
$402
This JetBlue deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 7/2911:51 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Wed 8/57:40 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/5![JetBlue logo]()
$407
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/1410:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Wed 7/154:00 pm
LGA
- ONT
1 stop8h 50m
Delta
Deal found 7/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/15:45 am
ONT
- LGA
1 stop10h 19m
United Airlines
Sat 10/311:00 pm
LGA
- ONT
1 stop8h 29m
United Airlines
Deal found 7/5![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/1712:50 pm
ONT
- LGA
1 stop7h 10m
Southwest
Sun 7/196:55 am
LGA
- ONT
1 stop9h 05m
Southwest
Deal found 7/3![Southwest logo]()
$412
This JetBlue deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/3011:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Mon 9/77:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 7/5![JetBlue logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/186:14 pm
ONT
- JFK
1 stop8h 47m
Alaska Airlines
Tue 9/221:00 pm
JFK
- ONT
1 stop28h 16m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$460
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/26:14 pm
ONT
- JFK
1 stop8h 47m
Alaska Airlines
Tue 10/67:22 am
JFK
- ONT
1 stop19h 23m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/1012:17 pm
ONT
- BDL
1 stop8h 41m
Delta
Tue 9/156:00 am
BDL
- ONT
1 stop8h 07m
Delta
Deal found 7/2![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/105:15 am
ONT
- LGA
2 stops9h 05m
Southwest
Thu 8/209:40 am
LGA
- ONT
2 stops12h 45m
Southwest
Deal found 7/4![Southwest logo]()
$419
This JetBlue deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/189:10 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Wed 9/235:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/4![JetBlue logo]()
$419
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/227:00 am
ONT
- BDL
1 stop7h 45m
United Airlines
Tue 9/295:03 pm
BDL
- ONT
1 stop8h 46m
United Airlines
Deal found 7/3![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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
Tue 8/116:00 am
JFK
- ONT
1 stop9h 16m
Delta
Deal found 7/5![Delta logo]()
$433
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am
ONT
- LGA
1 stop9h 25m
United Airlines
Wed 9/910:15 am
LGA
- ONT
2 stops12h 46m
United Airlines
Deal found 7/1![United Airlines logo]()
$497
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Thu 7/1612:50 pm
ONT
- LGA
1 stop7h 10m
Southwest
Sun 7/196:55 am
LGA
- ONT
1 stop9h 05m
Southwest
Deal found 7/2![Southwest logo]()
$467
This JetBlue deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/2211:51 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Tue 7/287:29 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 7/4![JetBlue logo]()
$467
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/1112:00 pm
ONT
- PVD
1 stop8h 59m
Delta
Thu 8/206:00 am
PVD
- ONT
1 stop7h 42m
Delta
Deal found 7/4![Delta logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/145:32 pm
ONT
- EWR
1 stop9h 27m
Alaska Airlines
Fri 8/216:55 am
EWR
- ONT
1 stop10h 34m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 9/23:36 pm
BDL
- ONT
1 stop8h 17m
United Airlines
Deal found 7/5![United Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:30 am
ONT
- BDL
2 stops10h 45m
Southwest
Mon 9/711:10 am
BDL
- ONT
1 stop14h 00m
Southwest
Deal found 7/3![Southwest logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/1910:45 am
ONT
- EWR
1 stop9h 44m
Alaska Airlines
Fri 8/216:55 am
EWR
- ONT
1 stop10h 34m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/1112:00 pm
ONT
- PVD
1 stop8h 59m
Delta
Wed 8/191:38 pm
PVD
- ONT
1 stop9h 15m
Delta
Deal found 7/4![Delta logo]()
$458
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 11/179:00 am
ONT
- PVD
2 stops11h 44m
United Airlines
Wed 11/1810:21 am
PVD
- ONT
2 stops12h 45m
United Airlines
Deal found 7/5![United Airlines logo]()
$517
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated July 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/118:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Mon 7/1310:55 pm
LGA
- ONT
1 stop12h 42m
Frontier
Deal found 7/3![Frontier logo]()
$312
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/141:11 pm
ONT
- JFK
1 stop7h 47m
American Airlines
Wed 8/266:56 am
JFK
- ONT
1 stop9h 35m
American Airlines
Deal found 7/6![American Airlines logo]()
$312
This lol.travel deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/1![JetBlue logo]()
$313
This lol.travel deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Wed 8/197:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/5![JetBlue logo]()
$316
This JetBlue deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/1![JetBlue logo]()
$317
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Tue 8/1810:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/1![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Thu 8/2010:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/1![Frontier logo]()
$311
This Booking.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sun 8/1610:55 pm
LGA
- ONT
1 stop12h 46m
Frontier
Deal found 7/1![Frontier logo]()
$318
This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Mon 8/1710:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/2![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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
Tue 8/251:35 pm
EWR
- ONT
1 stop22h 01m
Frontier
Deal found 7/3![Frontier logo]()
$312
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/216:00 am
ONT
- LGA
1 stop10h 29m
American Airlines
Sun 8/306:30 am
LGA
- ONT
1 stop8h 13m
American Airlines
Deal found 7/3![American Airlines logo]()
$317
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/2910:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/1![Frontier 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 6, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Jetabroad deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Mon 8/248:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Deal found 7/5![Frontier logo]()
$133
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/3![Delta logo]()
$134
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/45:05 pm
ONT
- JFK
1 stop10h 13m
Delta
Deal found 7/6![Delta logo]()
$134
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:07 am
ONT
- LGA
1 stop10h 53m
Frontier
Deal found 7/1![Frontier logo]()
$135
This Trip.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Sat 10/38:07 am
ONT
- LGA
1 stop10h 53m
Frontier
Deal found 7/5![Frontier logo]()
$137
This Jetabroad deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/1![Frontier logo]()
$138
This Jetabroad deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad 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 7/1![Frontier logo]()
$139
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:01 pm
ONT
- JFK
2 stops11h 29m
American Airlines
Deal found 7/1![American Airlines logo]()
$139
This Super.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 7/218:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Deal found 7/5![Frontier logo]()
$142
This SmartFares deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:51 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Deal found 7/3![JetBlue logo]()
$147
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:10 am
ONT
- LGA
1 stop10h 12m
United Airlines
Deal found 7/1![United Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Deal found 7/1![Frontier logo]()
$152
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 6, 2026.
Round-trip from | $311 (Frontier) |
|---|---|
One-way from | $133 (Jetabroad) |
Popular in | June |
Cheapest in | January |
Average price | $483 |
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 6, 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
Quickest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 9/15
9:10 pm-5:31 am
Nonstop5h 21m
New York John F Kennedy Intl
Sat 9/19
5:15 pm-8:13 pm
Nonstop5h 58m
$317
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Mon 7/27
11:48 am-10:27 pm
1 stop7h 39m
New York LaGuardia
Tue 7/28
6:00 am-10:38 am
1 stop7h 38m
$363
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sun 8/9
10:00 pm-8:10 am
1 stop7h 10m
New York LaGuardia
Tue 8/11
6:00 am-10:42 am
1 stop7h 42m
$373
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Tue 8/25
7:00 am-6:25 pm
1 stop8h 25m
New York LaGuardia
Wed 8/26
11:20 am-8:53 pm
2 stops12h 33m
$382
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Tue 7/28
11:55 pm-11:15 am
1 stop8h 20m
New York LaGuardia
Sat 8/1
6:00 am-4:20 pm
2 stops13h 20m
$393
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Tue 7/14
10:00 pm-8:10 am
1 stop7h 10m
New York LaGuardia
Wed 7/15
4:00 pm-9:50 pm
1 stop8h 50m
$399
OntarioProvidence
ONT - PVD
ONTPVD
Ontario
Tue 11/10
10:50 am-9:20 pm
1 stop7h 30m
Providence-TFGreen
Mon 11/16
6:40 am-6:15 pm
1 stop14h 35m
$402
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 7/29
11:51 pm-8:13 am
Nonstop5h 22m
New York John F Kennedy Intl
Wed 8/5
7:40 pm-10:48 pm
Nonstop6h 08m
$407
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 7/17
12:50 pm-11:00 pm
1 stop7h 10m
New York LaGuardia
Sun 7/19
6:55 am-1:00 pm
1 stop9h 05m
$412
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sun 8/30
11:59 pm-8:20 am
Nonstop5h 21m
New York John F Kennedy Intl
Mon 9/7
7:30 pm-10:35 pm
Nonstop6h 05m
$417
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Connecticut
Have a flexible travel schedule? Discover the best time to fly to Connecticut from Ontario with our price prediction graph.
ONT-JFK
ONT-LGA
ONT-PVD
ONT-EWR
ONT-BDL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Connecticut
ONT-USCT
ONT-JFK
ONT-LGA
ONT-PVD
ONT-EWR
What is the cheapest month to book a flight from Ontario to Connecticut?
Currently, August is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $258). Flying from Ontario to Connecticut in 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 6, 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.
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.5
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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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 6, 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$444 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$379 | Average$548 | FlexibilityNo cancel fee | On-time69% |