$126+ Cheap flights from Ontario (ONT) to Connecticut
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Connecticut with Cheapflights
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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 29, 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 29, 2026.
This Expedia deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Mon 9/217:46 pm
ONT
- EWR
1 stop13h 49m
Frontier
Thu 9/241:30 pm
EWR
- ONT
1 stop8h 09m
Frontier
Deal found 7/27![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/148:11 pm
ONT
- EWR
1 stop13h 24m
Frontier
Thu 10/11:30 pm
EWR
- ONT
1 stop8h 09m
Frontier
Deal found 7/28![Frontier logo]()
$282
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:25 am
ONT
- LGA
1 stop9h 02m
American Airlines
Tue 10/66:00 am
LGA
- ONT
1 stop8h 53m
American Airlines
Deal found 7/29![American Airlines logo]()
$287
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/287:46 pm
ONT
- EWR
1 stop13h 49m
Frontier
Thu 10/11:30 pm
EWR
- ONT
1 stop8h 09m
Frontier
Deal found 7/29![Frontier logo]()
$287
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/512:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Wed 9/97:59 am
JFK
- ONT
1 stop8h 26m
American Airlines
Deal found 7/29![American Airlines logo]()
$287
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/2910:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/27![Frontier logo]()
$290
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/267:25 am
ONT
- LGA
1 stop12h 35m
Southwest
Wed 9/26:55 am
LGA
- ONT
1 stop10h 30m
Southwest
Deal found 7/29![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/510:29 am
ONT
- JFK
1 stop9h 31m
American Airlines
Tue 9/87:15 am
JFK
- ONT
1 stop7h 48m
American Airlines
Deal found 7/28![American Airlines logo]()
$292
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Fri 8/2110:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/27![Frontier logo]()
$293
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/1212:37 pm
ONT
- JFK
1 stop7h 37m
American Airlines
Sat 9/197:15 am
JFK
- ONT
1 stop7h 48m
American Airlines
Deal found 7/28![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Sat 9/56:56 am
JFK
- ONT
1 stop7h 47m
American Airlines
Deal found 7/27![American Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Sun 9/67:15 am
JFK
- ONT
1 stop8h 18m
American Airlines
Deal found 7/26![American Airlines logo]()
$297
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 29, 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 29, 2026.
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/1610:55 am
ONT
- LGA
1 stop8h 40m
Southwest
Wed 9/236:00 am
LGA
- ONT
2 stops9h 30m
Southwest
Deal found 7/28![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/281:18 pm
ONT
- LGA
1 stop7h 06m
United Airlines
Sun 9/66:00 am
LGA
- ONT
2 stops9h 50m
United Airlines
Deal found 7/28![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 7/24. 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.
Wed 11/412:18 pm
ONT
- JFK
1 stop9h 41m
Delta
Mon 11/94:00 pm
JFK
- ONT
1 stop9h 43m
Delta
Deal found 7/24![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:30 pm
ONT
- JFK
1 stop9h 32m
Alaska Airlines
Wed 11/45:29 pm
JFK
- ONT
1 stop9h 20m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$357
This JetBlue deal was found by Cheapflights users on 7/24. 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.
Tue 9/811:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 9/155:59 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/24![JetBlue logo]()
$387
This KAYAK deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Wed 9/2310:25 am
ONT
- JFK
1 stop9h 04m
American Airlines
Fri 9/257:15 am
JFK
- ONT
1 stop7h 51m
American Airlines
Deal found 7/28![American Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/278:10 am
ONT
- LGA
1 stop11h 45m
Southwest
Sat 9/57:00 am
LGA
- ONT
1 stop10h 30m
Southwest
Deal found 7/28![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/1912:17 pm
ONT
- LGA
1 stop8h 23m
Delta
Sat 9/266:00 am
LGA
- ONT
1 stop8h 05m
Delta
Deal found 7/29![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/65:00 am
ONT
- LGA
1 stop7h 42m
United Airlines
Mon 1/1111:00 am
LGA
- ONT
1 stop10h 44m
United Airlines
Deal found 7/26![United Airlines logo]()
$392
This JetBlue deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/2211:13 pm
ONT
- JFK
Nonstop5h 20m
JetBlue
Thu 8/277:30 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/28![JetBlue logo]()
$397
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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
- JFK
1 stop10h 14m
Delta
Sat 8/296:00 am
JFK
- ONT
1 stop9h 16m
Delta
Deal found 7/28![Delta logo]()
$367
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:10 am
ONT
- LGA
1 stop9h 45m
Southwest
Mon 9/143:25 pm
LGA
- ONT
2 stops9h 40m
Southwest
Deal found 7/26![Southwest logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 am
ONT
- JFK
1 stop9h 00m
Alaska Airlines
Sun 10/259:59 am
JFK
- ONT
1 stop9h 51m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 7/24. 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 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 stops12h 54m
United Airlines
Tue 10/610:00 am
LGA
- ONT
2 stops10h 41m
United Airlines
Deal found 7/24![United Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/155:05 pm
ONT
- JFK
1 stop10h 13m
Delta
Sat 9/2611:15 am
JFK
- ONT
1 stop10h 26m
Delta
Deal found 7/27![Delta logo]()
$373
This JetBlue deal was found by Cheapflights users on 7/25. 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 8/1111:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Thu 8/137:30 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/25![JetBlue logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:29 am
ONT
- EWR
1 stop8h 56m
Alaska Airlines
Fri 10/305:05 pm
EWR
- ONT
1 stop9h 49m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 12/1412:22 pm
ONT
- EWR
1 stop9h 35m
Delta
Mon 1/46:55 pm
EWR
- ONT
1 stop7h 53m
Delta
Deal found 7/27![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/121:18 pm
ONT
- BDL
1 stop7h 25m
United Airlines
Tue 9/154:50 pm
BDL
- ONT
1 stop9h 09m
United Airlines
Deal found 7/28![United Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 7/25. 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.
Mon 8/108:10 am
ONT
- LGA
1 stop11h 45m
Southwest
Fri 8/142:35 pm
LGA
- ONT
2 stops10h 10m
Southwest
Deal found 7/25![Southwest logo]()
$453
This Delta deal was found by Cheapflights users on 7/26. 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.
Wed 1/67:00 am
ONT
- EWR
1 stop7h 40m
Delta
Mon 1/116:55 pm
EWR
- ONT
1 stop7h 53m
Delta
Deal found 7/26![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:47 am
ONT
- EWR
1 stop9h 42m
Alaska Airlines
Tue 9/229:00 am
EWR
- ONT
1 stop13h 03m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$461
This JetBlue deal was found by Cheapflights users on 7/25. 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 8/1111:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 8/156:50 pm
JFK
- ONT
Nonstop6h 09m
JetBlue
Deal found 7/25![JetBlue logo]()
$477
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/277:13 pm
ONT
- LGA
2 stops11h 26m
United Airlines
Sat 9/510:20 am
LGA
- ONT
2 stops13h 33m
United Airlines
Deal found 7/28![United Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:55 pm
ONT
- PVD
2 stops9h 30m
Southwest
Sat 8/294:15 pm
PVD
- ONT
1 stop7h 35m
Southwest
Deal found 7/25![Southwest logo]()
$459
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 1/57:00 am
ONT
- PVD
1 stop7h 40m
Delta
Wed 1/136:00 am
PVD
- ONT
1 stop8h 27m
Delta
Deal found 7/28![Delta logo]()
$381
This JetBlue deal was found by Cheapflights users on 7/24. 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.
Mon 8/1011:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 8/156:50 pm
JFK
- ONT
Nonstop6h 09m
JetBlue
Deal found 7/24![JetBlue logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/96:02 am
ONT
- EWR
2 stops14h 27m
Alaska Airlines
Sun 9/136:50 am
EWR
- ONT
1 stop13h 28m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 7/28![United Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 7/25. 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 8/1112:00 pm
ONT
- LGA
1 stop8h 24m
Delta
Thu 8/133:00 pm
LGA
- ONT
1 stop9h 52m
Delta
Deal found 7/25![Delta logo]()
$387
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated July 29, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/2910:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/27![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Fri 8/2110:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/27![Frontier logo]()
$293
This Trip.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/158:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 9/510:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/27![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/187:56 pm
ONT
- LGA
2 stops22h 03m
Frontier
Tue 9/110:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/28![Frontier logo]()
$306
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:18 pm
ONT
- LGA
1 stop7h 06m
United Airlines
Fri 8/212:25 pm
LGA
- ONT
1 stop11h 10m
United Airlines
Deal found 7/27![United Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
ONT
- LGA
1 stop12h 15m
Southwest
Tue 8/256:30 am
LGA
- ONT
2 stops9h 10m
Southwest
Deal found 7/29![Southwest logo]()
$298
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:37 am
ONT
- LGA
1 stop9h 23m
Frontier
Fri 8/2810:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/28![Frontier logo]()
$302
This Southwest deal was found by Cheapflights users on 7/24. 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.
Tue 8/255:45 am
ONT
- LGA
2 stops8h 10m
Southwest
Thu 9/310:20 am
LGA
- ONT
2 stops14h 45m
Southwest
Deal found 7/24![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/267:25 am
ONT
- LGA
1 stop12h 35m
Southwest
Wed 9/26:55 am
LGA
- ONT
1 stop10h 30m
Southwest
Deal found 7/29![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:29 am
ONT
- JFK
1 stop8h 45m
American Airlines
Sat 8/2911:31 am
JFK
- ONT
1 stop10h 27m
American Airlines
Deal found 7/26![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Mon 8/313:30 pm
JFK
- ONT
2 stops10h 29m
American Airlines
Deal found 7/26![American Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/2812:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Sun 9/67:15 am
JFK
- ONT
1 stop8h 18m
American Airlines
Deal found 7/29![American Airlines logo]()
$292
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 29, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:46 pm
ONT
- EWR
1 stop13h 49m
Frontier
Deal found 7/26![Frontier logo]()
$126
This United Airlines deal was found by Cheapflights users on 7/25. 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 11/175:00 am
ONT
- LGA
1 stop7h 47m
United Airlines
Deal found 7/25![United Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 8/1710:00 pm
ONT
- LGA
1 stop9h 41m
Delta
Deal found 7/26![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 8/1710:00 pm
ONT
- JFK
1 stop9h 05m
Delta
Deal found 7/26![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/1212:17 pm
ONT
- LGA
1 stop8h 23m
Delta
Deal found 7/29![Delta logo]()
$144
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:29 am
ONT
- LGA
1 stop8h 58m
American Airlines
Deal found 7/26![American Airlines logo]()
$145
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/27:25 am
ONT
- LGA
1 stop12h 35m
Southwest
Deal found 7/28![Southwest logo]()
$149
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Deal found 7/26![American Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/277:11 pm
ONT
- JFK
1 stop7h 49m
American Airlines
Deal found 7/29![American Airlines logo]()
$150
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/257:46 pm
ONT
- LGA
1 stop20h 58m
Frontier
Deal found 7/29![Frontier logo]()
$151
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:00 pm
ONT
- LGA
1 stop8h 24m
Delta
Deal found 7/28![Delta logo]()
$154
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:49 pm
ONT
- JFK
2 stops10h 17m
American Airlines
Deal found 7/26![American Airlines logo]()
$154
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 29, 2026.
Round-trip from | $240 (Expedia) |
|---|---|
One-way from | $126 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $481 |
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 29, 2026.
Use the filters below to find and compare flights from Ontario to Connecticut that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 9/16
10:55 am-10:35 pm
1 stop8h 40m
New York LaGuardia
Wed 9/23
6:00 am-12:30 pm
2 stops9h 30m
$292
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 8/28
1:18 pm-11:24 pm
1 stop7h 06m
New York LaGuardia
Sun 9/6
6:00 am-12:50 pm
2 stops9h 50m
$292
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 11/4
12:18 pm-12:59 am
1 stop9h 41m
New York John F Kennedy Intl
Mon 11/9
4:00 pm-10:43 pm
1 stop9h 43m
$297
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Thu 8/27
8:10 am-10:55 pm
1 stop11h 45m
New York LaGuardia
Sat 9/5
7:00 am-2:30 pm
1 stop10h 30m
$328
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 10/30
5:30 pm-6:02 am
1 stop9h 32m
New York John F Kennedy Intl
Wed 11/4
5:29 pm-11:49 pm
1 stop9h 20m
$357
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sat 9/19
12:17 pm-11:40 pm
1 stop8h 23m
New York LaGuardia
Sat 9/26
6:00 am-11:05 am
1 stop8h 05m
$363
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 8/28
12:00 pm-1:14 am
1 stop10h 14m
New York John F Kennedy Intl
Sat 8/29
6:00 am-12:16 pm
1 stop9h 16m
$367
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 8/15
5:05 pm-6:18 am
1 stop10h 13m
New York John F Kennedy Intl
Sat 9/26
11:15 am-6:41 pm
1 stop10h 26m
$373
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Mon 12/14
12:22 pm-12:57 am
1 stop9h 35m
Newark
Mon 1/4
6:55 pm-11:48 pm
1 stop7h 53m
$379
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Wed 1/6
7:00 am-5:40 pm
1 stop7h 40m
Newark
Mon 1/11
6:55 pm-11:48 pm
1 stop7h 53m
$379
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Connecticut
Have a flexible travel schedule? Discover the best time to fly to Connecticut from Ontario with our price prediction graph.
ONT-EWR
ONT-LGA
ONT-JFK
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-EWR
ONT-LGA
ONT-JFK
ONT-PVD
What is the cheapest month to book a flight from Ontario to Connecticut?
Currently, October is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $426). Flying from Ontario to Connecticut in April is currently the most expensive (average of $781). 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?
Airfare is below average for this route at the moment.
Ontario to Connecticut flights typically cost between $423 and $577 in December.The cheapest round-trip price found within the last 5 days was $333 on American Airlines (Dec 9-Jan 13).
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 29, 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.
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
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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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 29, 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$484 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$513 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$456 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$379 | Average$548 | FlexibilityNo cancel fee | On-time69% |