$98+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Mar 25 — Apr 11
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 February 23, 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 February 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:18 pm
ONT
- LGA
1 stop23h 41m
Multiple Airlines
Tue 4/146:20 am
LGA
- ONT
2 stops20h 35m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$225
This Frontier deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:20 am
ONT
- LGA
1 stop11h 39m
Frontier
Thu 4/910:00 pm
LGA
- ONT
1 stop28h 56m
Frontier
Deal found 2/20![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:18 pm
ONT
- LGA
1 stop23h 41m
Multiple Airlines
Tue 4/2110:00 pm
LGA
- ONT
2 stops28h 55m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:15 am
ONT
- LGA
1 stop8h 44m
Multiple Airlines
Tue 4/2810:59 pm
LGA
- ONT
2 stops27h 56m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$228
This JetBlue deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:25 pm
ONT
- JFK
Nonstop5h 25m
JetBlue
Sat 5/236:59 pm
JFK
- ONT
Nonstop6h 10m
JetBlue
Deal found 2/19![JetBlue logo]()
$231
This CheapOair deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:20 am
ONT
- LGA
1 stop11h 39m
Frontier
Sun 4/1210:00 pm
LGA
- ONT
1 stop28h 56m
Frontier
Deal found 2/19![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:18 pm
ONT
- LGA
1 stop23h 41m
Multiple Airlines
Mon 4/2010:55 pm
LGA
- ONT
2 stops28h 00m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:26 am
ONT
- EWR
1 stop24h 10m
Multiple Airlines
Mon 4/2010:29 pm
EWR
- ONT
2 stops28h 26m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:26 am
ONT
- EWR
1 stop24h 10m
Multiple Airlines
Tue 4/289:00 pm
EWR
- ONT
2 stops29h 55m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:18 pm
ONT
- LGA
1 stop23h 41m
Multiple Airlines
Mon 4/134:45 pm
LGA
- ONT
2 stops34h 10m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:00 pm
ONT
- LGA
1 stop25h 00m
Multiple Airlines
Tue 3/3110:59 pm
LGA
- ONT
2 stops27h 57m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:59 am
ONT
- EWR
2 stops21h 17m
Multiple Airlines
Thu 4/3012:41 pm
EWR
- ONT
1 stop30h 57m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$245
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 February 23, 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 February 23, 2026.
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1710:25 pm
ONT
- LGA
1 stop8h 17m
Delta
Tue 3/244:00 pm
LGA
- ONT
2 stops10h 51m
Delta
Deal found 2/19![Delta logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:15 am
ONT
- LGA
2 stops13h 53m
Frontier
Mon 3/1610:00 pm
LGA
- ONT
1 stop20h 05m
Frontier
Deal found 2/19![Frontier logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 4/2810:39 am
ONT
- EWR
1 stop9h 50m
Alaska Airlines
Wed 5/67:29 am
EWR
- ONT
1 stop10h 01m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:15 am
ONT
- LGA
1 stop8h 59m
United Airlines
Tue 3/102:59 pm
LGA
- ONT
2 stops10h 19m
United Airlines
Deal found 2/19![United Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:50 pm
ONT
- LGA
1 stop7h 00m
Southwest
Mon 6/16:55 am
LGA
- ONT
1 stop9h 15m
Southwest
Deal found 2/19![Southwest logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:06 pm
ONT
- BDL
1 stop13h 24m
Multiple Airlines
Mon 3/238:08 pm
BDL
- ONT
2 stops44h 20m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:59 pm
ONT
- BDL
2 stops10h 08m
American Airlines
Tue 3/318:45 am
BDL
- ONT
2 stops13h 24m
American Airlines
Deal found 2/19![American Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:39 am
ONT
- EWR
1 stop9h 50m
Alaska Airlines
Tue 4/287:29 am
EWR
- ONT
1 stop10h 03m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1710:25 pm
ONT
- EWR
1 stop8h 07m
Delta
Tue 3/243:58 pm
EWR
- ONT
2 stops10h 53m
Delta
Deal found 2/19![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:04 pm
ONT
- LGA
2 stops10h 10m
Delta
Sat 5/1612:40 pm
LGA
- ONT
2 stops12h 14m
Delta
Deal found 2/19![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:18 pm
ONT
- EWR
1 stop8h 46m
United Airlines
Sat 5/304:40 pm
EWR
- ONT
1 stop9h 06m
United Airlines
Deal found 2/19![United Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
ONT
- EWR
1 stop21h 00m
Alaska Airlines
Wed 4/293:30 pm
EWR
- ONT
1 stop10h 02m
Alaska Airlines
Deal found 2/20![Alaska Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 2/21. 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 4/157:00 am
ONT
- JFK
1 stop14h 20m
Delta
Tue 4/217:45 am
JFK
- ONT
1 stop12h 30m
Delta
Deal found 2/21![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:10 pm
ONT
- LGA
1 stop7h 15m
Southwest
Thu 4/28:55 am
LGA
- ONT
2 stops9h 45m
Southwest
Deal found 2/19![Southwest logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:14 am
ONT
- EWR
1 stop9h 14m
Alaska Airlines
Tue 3/177:30 am
EWR
- ONT
1 stop10h 38m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:49 pm
ONT
- PVD
1 stop8h 06m
Delta
Sat 4/253:41 pm
PVD
- ONT
1 stop8h 19m
Delta
Deal found 2/19![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:59 pm
ONT
- LGA
1 stop8h 10m
United Airlines
Tue 3/172:15 pm
LGA
- ONT
1 stop11h 03m
United Airlines
Deal found 2/19![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:55 pm
ONT
- PVD
1 stop7h 05m
Southwest
Mon 3/167:30 am
PVD
- ONT
1 stop9h 40m
Southwest
Deal found 2/19![Southwest logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:14 am
ONT
- EWR
1 stop14h 15m
Alaska Airlines
Sat 3/147:30 am
EWR
- ONT
1 stop19h 02m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 am
ONT
- LGA
1 stop8h 18m
United Airlines
Sat 5/21:10 pm
LGA
- ONT
2 stops12h 49m
United Airlines
Deal found 2/19![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:04 pm
ONT
- LGA
1 stop9h 45m
Delta
Mon 5/184:30 pm
LGA
- ONT
2 stops10h 04m
Delta
Deal found 2/19![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:55 pm
ONT
- PVD
1 stop8h 05m
Southwest
Mon 3/167:30 am
PVD
- ONT
1 stop9h 40m
Southwest
Deal found 2/19![Southwest logo]()
$387
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:59 am
ONT
- BDL
1 stop10h 00m
American Airlines
Tue 5/196:00 am
BDL
- ONT
1 stop10h 18m
American Airlines
Deal found 2/19![American Airlines logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:02 pm
ONT
- JFK
1 stop12h 03m
Alaska Airlines
Wed 3/254:31 pm
JFK
- ONT
1 stop10h 28m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:05 am
ONT
- LGA
1 stop10h 02m
United Airlines
Fri 4/243:50 pm
LGA
- ONT
1 stop9h 00m
United Airlines
Deal found 2/19![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:10 pm
ONT
- EWR
1 stop9h 50m
Delta
Wed 6/36:00 am
EWR
- ONT
1 stop7h 57m
Delta
Deal found 2/19![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:02 pm
ONT
- JFK
1 stop12h 03m
Alaska Airlines
Wed 3/117:00 am
JFK
- ONT
1 stop11h 08m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:55 pm
ONT
- BDL
2 stops9h 50m
Southwest
Mon 3/2311:20 am
BDL
- ONT
2 stops11h 25m
Southwest
Deal found 2/19![Southwest logo]()
$439
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:49 pm
ONT
- PVD
1 stop8h 06m
Delta
Tue 4/213:41 pm
PVD
- ONT
1 stop8h 19m
Delta
Deal found 2/19![Delta logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:02 pm
ONT
- JFK
1 stop12h 03m
Alaska Airlines
Tue 3/107:00 am
JFK
- ONT
1 stop11h 08m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$347
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated February 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated February 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:10 pm
ONT
- LGA
1 stop24h 55m
Multiple Airlines
Mon 3/168:42 am
LGA
- ONT
2 stops31h 46m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:10 pm
ONT
- LGA
1 stop24h 55m
Frontier
Mon 3/1610:00 pm
LGA
- ONT
1 stop20h 05m
Frontier
Deal found 2/20![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:10 pm
ONT
- LGA
1 stop17h 50m
Multiple Airlines
Tue 3/1010:00 pm
LGA
- ONT
1 stop21h 15m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:14 am
ONT
- JFK
1 stop9h 56m
Alaska Airlines
Tue 3/177:00 am
JFK
- ONT
1 stop11h 08m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:57 pm
ONT
- LGA
1 stop7h 45m
Delta
Tue 3/172:00 pm
LGA
- ONT
1 stop10h 00m
Delta
Deal found 2/19![Delta logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:20 pm
ONT
- LGA
1 stop23h 40m
Multiple Airlines
Tue 3/2410:00 pm
LGA
- ONT
1 stop21h 15m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$248
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Mon 3/1611:59 pm
ONT
- JFK
1 stop7h 09m
American Airlines
Tue 3/246:30 am
JFK
- ONT
1 stop8h 01m
American Airlines
Deal found 2/21![American Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/1711:58 pm
ONT
- LGA
1 stop7h 32m
American Airlines
Tue 3/247:00 am
LGA
- ONT
1 stop9h 48m
American Airlines
Deal found 2/21![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:58 pm
ONT
- JFK
1 stop8h 33m
American Airlines
Tue 3/248:19 am
JFK
- ONT
1 stop11h 03m
American Airlines
Deal found 2/19![American Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1710:25 pm
ONT
- LGA
1 stop8h 17m
Delta
Tue 3/244:00 pm
LGA
- ONT
2 stops10h 51m
Delta
Deal found 2/19![Delta logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:00 pm
ONT
- LGA
1 stop25h 00m
Multiple Airlines
Tue 3/3110:59 pm
LGA
- ONT
2 stops27h 57m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:10 pm
ONT
- LGA
1 stop23h 50m
Multiple Airlines
Tue 3/3110:59 pm
LGA
- ONT
2 stops27h 57m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$250
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 February 23, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated February 23, 2026.
This Super.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:15 am
ONT
- LGA
1 stop10h 45m
Frontier
Deal found 2/20![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 2/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:15 am
ONT
- LGA
1 stop10h 49m
Frontier
Deal found 2/21![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:59 am
ONT
- JFK
2 stops30h 30m
Frontier
Deal found 2/22![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:59 am
ONT
- LGA
2 stops19h 15m
Frontier
Deal found 2/22![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:59 am
ONT
- EWR
2 stops41h 30m
Frontier
Deal found 2/19![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:59 am
ONT
- EWR
2 stops21h 17m
Frontier
Deal found 2/22![Frontier logo]()
$102
This Jetabroad deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:15 am
ONT
- LGA
1 stop10h 49m
Frontier
Deal found 2/20![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:15 am
ONT
- LGA
1 stop12h 49m
Frontier
Deal found 2/20![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:15 am
ONT
- LGA
1 stop12h 45m
Frontier
Deal found 2/19![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:02 pm
ONT
- EWR
2 stops21h 07m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$107
This Jetabroad deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:00 am
ONT
- LGA
1 stop11h 00m
Frontier
Deal found 2/20![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:23 pm
ONT
- JFK
2 stops22h 06m
Frontier
Deal found 2/22![Frontier logo]()
$110
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 February 23, 2026.
Round-trip from | $225 (Kiwi.com) |
|---|---|
One-way from | $98 (Super.com) |
Popular in | December |
Cheapest in | January |
Average price | $442 |
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 February 23, 2026.
Use the filters below to find and compare flights from Ontario to Connecticut that are best for you.
Fly from
Ontario
Fly to
Connecticut
Route
Depart
Return
Price
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Tue 3/17
10:25 pm-9:42 am
1 stop8h 17m
New York LaGuardia
Tue 3/24
4:00 pm-11:51 pm
2 stops10h 51m
$262
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 3/11
6:15 am-11:08 pm
2 stops13h 53m
New York LaGuardia
Mon 3/16
10:00 pm-3:05 pm
1 stop20h 05m
$275
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 4/28
10:39 am-11:29 pm
1 stop9h 50m
Newark
Wed 5/6
7:29 am-2:30 pm
1 stop10h 01m
$277
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Sat 4/25
10:39 am-11:29 pm
1 stop9h 50m
Newark
Tue 4/28
7:29 am-2:32 pm
1 stop10h 03m
$277
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 3/17
10:25 pm-9:32 am
1 stop8h 07m
Newark
Tue 3/24
3:58 pm-11:51 pm
2 stops10h 53m
$282
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Mon 5/11
11:04 pm-12:14 pm
2 stops10h 10m
New York LaGuardia
Sat 5/16
12:40 pm-9:54 pm
2 stops12h 14m
$285
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 3/6
5:15 am-5:14 pm
1 stop8h 59m
New York LaGuardia
Tue 3/10
2:59 pm-10:18 pm
2 stops10h 19m
$295
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 4/15
7:00 am-12:20 am
1 stop14h 20m
New York John F Kennedy Intl
Tue 4/21
7:45 am-5:15 pm
1 stop12h 30m
$302
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 5/29
12:50 pm-10:50 pm
1 stop7h 00m
New York LaGuardia
Mon 6/1
6:55 am-1:10 pm
1 stop9h 15m
$303
OntarioProvidence
ONT - PVD
ONTPVD
Ontario
Wed 4/15
12:49 pm-11:55 pm
1 stop8h 06m
Providence-TFGreen
Sat 4/25
3:41 pm-9:00 pm
1 stop8h 19m
$307
Showing 1-10 of 60 results
Best time to book a flight from Ontario to Connecticut
Have a flexible travel schedule? Discover the best time to fly to Connecticut from Ontario with our price prediction graph.
ONT-LGA
ONT-JFK
ONT-EWR
ONT-PVD
ONT-BDL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Connecticut
ONT-USCT
ONT-LGA
ONT-JFK
ONT-EWR
ONT-PVD
What is the cheapest month to book a flight from Ontario to Connecticut?
Currently, August is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $154). Flying from Ontario to Connecticut in January is currently the most expensive (average of $226). 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.
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 February 23, 2026.
See what other customers who have flown with Southwest, Delta, and United 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
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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
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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 February 23, 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 February 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$300 | Average$438 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$324 | Average$449 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$523 | FlexibilityNo cancel fee | On-time69% |