$113+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Jun 5 — Jun 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 May 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 8/216:00 am
ONT
- LGA
2 stops13h 27m
Delta
Wed 8/266:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 5/4![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/210:00 pm
ONT
- JFK
1 stop9h 33m
American Airlines
Tue 6/92:43 pm
JFK
- ONT
2 stops10h 14m
American Airlines
Deal found 5/4![American Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 5/1. 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.
Wed 10/1412:00 pm
ONT
- LGA
1 stop7h 42m
Delta
Mon 10/193:00 pm
LGA
- ONT
2 stops11h 48m
Delta
Deal found 5/1![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 5/1. 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.
Fri 9/256:00 am
ONT
- LGA
2 stops11h 00m
Delta
Tue 10/133:00 pm
LGA
- ONT
2 stops10h 14m
Delta
Deal found 5/1![Delta logo]()
$288
This Frontier deal was found by Cheapflights users on 5/5. 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 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
Mon 9/2110:55 pm
LGA
- ONT
1 stop11h 17m
Frontier
Deal found 5/5![Frontier logo]()
$290
This lol.travel deal was found by Cheapflights users on 5/5. 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.
Fri 7/1011:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Fri 7/177:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/5![JetBlue logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 5/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/257:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/4![JetBlue logo]()
$292
This Super.com deal was found by Cheapflights users on 5/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:24 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 8/226:59 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 5/4![JetBlue logo]()
$293
This Super.com deal was found by Cheapflights users on 5/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Fri 8/147:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/1![JetBlue logo]()
$294
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 5/2611:59 pm
ONT
- LGA
1 stop10h 00m
American Airlines
Thu 5/286:46 pm
LGA
- ONT
1 stop8h 13m
American Airlines
Deal found 5/1![American Airlines logo]()
$297
This JetBlue deal was found by Cheapflights users on 5/1. 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 8/1811:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Wed 8/267:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/1![JetBlue logo]()
$297
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Mon 6/111:59 pm
ONT
- LGA
1 stop10h 00m
American Airlines
Fri 6/55:59 pm
LGA
- ONT
1 stop9h 00m
American Airlines
Deal found 5/4![American Airlines logo]()
$298
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 May 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 7/2310:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Tue 7/286:00 am
LGA
- ONT
1 stop7h 38m
Delta
Deal found 5/4![Delta logo]()
$318
This JetBlue deal was found by Cheapflights users on 5/5. 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.
Fri 8/1411:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Thu 8/207:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/5![JetBlue logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:54 pm
ONT
- EWR
1 stop9h 05m
Alaska Airlines
Mon 10/265:41 pm
EWR
- ONT
1 stop9h 12m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 5/4. 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.
Fri 6/512:50 pm
ONT
- LGA
1 stop7h 05m
Southwest
Sat 6/66:00 am
LGA
- ONT
1 stop11h 20m
Southwest
Deal found 5/4![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:00 am
ONT
- LGA
1 stop9h 24m
United Airlines
Fri 8/143:45 pm
LGA
- ONT
1 stop9h 14m
United Airlines
Deal found 5/4![United Airlines logo]()
$408
This JetBlue deal was found by Cheapflights users on 5/5. 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.
Thu 8/1311:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Thu 8/207:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/5![JetBlue logo]()
$322
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 5/276:45 am
ONT
- JFK
1 stop21h 11m
Delta
Tue 6/26:34 pm
JFK
- ONT
1 stop8h 00m
Delta
Deal found 5/5![Delta logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:12 pm
ONT
- JFK
1 stop8h 52m
Alaska Airlines
Sat 9/269:55 am
JFK
- ONT
1 stop10h 23m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$353
This JetBlue deal was found by Cheapflights users on 5/5. 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.
Sat 8/811:24 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Wed 8/127:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/5![JetBlue logo]()
$347
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:30 am
ONT
- LGA
2 stops9h 25m
Southwest
Sat 5/307:15 am
LGA
- ONT
2 stops11h 20m
Southwest
Deal found 5/1![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 5/5. 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.
Sat 8/1512:55 pm
ONT
- EWR
1 stop7h 49m
Delta
Fri 8/216:00 am
EWR
- ONT
1 stop7h 42m
Delta
Deal found 5/5![Delta logo]()
$373
This JetBlue deal was found by Cheapflights users on 5/5. 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.
Tue 7/2811:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Thu 7/307:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/5![JetBlue logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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.
Tue 5/264:03 pm
ONT
- JFK
1 stop12h 13m
Alaska Airlines
Tue 6/27:00 am
JFK
- ONT
1 stop11h 09m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:30 pm
ONT
- EWR
1 stop8h 08m
United Airlines
Tue 6/167:00 am
EWR
- ONT
1 stop8h 12m
United Airlines
Deal found 5/2![United Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/2812:07 pm
ONT
- LGA
1 stop8h 11m
Delta
Mon 6/111:00 am
LGA
- ONT
1 stop10h 36m
Delta
Deal found 5/5![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 5/2. 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.
Tue 8/411:55 pm
ONT
- PVD
1 stop9h 10m
Southwest
Fri 8/141:00 pm
PVD
- ONT
1 stop9h 20m
Southwest
Deal found 5/2![Southwest logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:45 am
ONT
- EWR
1 stop9h 44m
Alaska Airlines
Sun 9/277:20 am
EWR
- ONT
1 stop9h 58m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 5/1. 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 8/2310:59 pm
ONT
- PVD
2 stops9h 53m
Delta
Fri 8/286:20 am
PVD
- ONT
1 stop7h 44m
Delta
Deal found 5/1![Delta logo]()
$382
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:40 pm
ONT
- BDL
1 stop7h 15m
Southwest
Tue 7/285:50 am
BDL
- ONT
1 stop9h 15m
Southwest
Deal found 5/5![Southwest logo]()
$426
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:45 am
ONT
- EWR
1 stop9h 49m
United Airlines
Mon 8/311:15 pm
EWR
- ONT
1 stop10h 37m
United Airlines
Deal found 5/2![United Airlines logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
ONT
- JFK
1 stop9h 28m
Alaska Airlines
Sat 6/67:00 am
JFK
- ONT
1 stop11h 09m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 5/1. 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.
Tue 5/2610:00 pm
ONT
- LGA
2 stops11h 14m
Delta
Thu 5/282:46 pm
LGA
- ONT
2 stops11h 48m
Delta
Deal found 5/1![Delta logo]()
$388
This JetBlue deal was found by Cheapflights users on 5/1. 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.
Sun 7/511:54 pm
ONT
- JFK
Nonstop5h 24m
JetBlue
Thu 7/167:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/1![JetBlue logo]()
$427
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:00 am
ONT
- LGA
1 stop7h 55m
Southwest
Fri 9/116:10 am
LGA
- ONT
2 stops11h 55m
Southwest
Deal found 5/1![Southwest logo]()
$442
This JetBlue deal was found by Cheapflights users on 5/5. 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.
Thu 8/2011:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sun 8/307:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/5![JetBlue logo]()
$427
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:00 am
ONT
- EWR
1 stop9h 30m
United Airlines
Mon 5/256:00 am
EWR
- ONT
1 stop9h 47m
United Airlines
Deal found 5/4![United Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 8/412:32 pm
ONT
- BDL
1 stop8h 26m
Delta
Tue 8/186:00 am
BDL
- ONT
1 stop7h 42m
Delta
Deal found 5/5![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:55 pm
ONT
- PVD
1 stop8h 35m
Southwest
Sun 8/165:45 am
PVD
- ONT
2 stops9h 15m
Southwest
Deal found 5/1![Southwest logo]()
$462
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:45 am
ONT
- EWR
1 stop10h 45m
United Airlines
Sun 8/306:00 am
EWR
- ONT
1 stop9h 38m
United Airlines
Deal found 5/2![United Airlines logo]()
$518
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:03 pm
ONT
- EWR
1 stop11h 49m
Alaska Airlines
Mon 6/87:30 am
EWR
- ONT
1 stop10h 39m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$478
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated May 6, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/6. 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 5/1911:59 pm
ONT
- JFK
1 stop8h 40m
American Airlines
Sun 5/246:59 am
JFK
- ONT
1 stop8h 06m
American Airlines
Deal found 5/6![American Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 5/1. 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 5/246:00 am
ONT
- LGA
2 stops10h 47m
Delta
Tue 6/24:00 pm
LGA
- ONT
1 stop8h 48m
Delta
Deal found 5/1![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 5/2. 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.
Tue 5/2610:00 pm
ONT
- LGA
2 stops11h 14m
Delta
Tue 6/25:05 pm
LGA
- ONT
2 stops9h 29m
Delta
Deal found 5/2![Delta logo]()
$287
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 5/2611:59 pm
ONT
- LGA
1 stop10h 00m
American Airlines
Thu 5/286:46 pm
LGA
- ONT
1 stop8h 13m
American Airlines
Deal found 5/1![American Airlines logo]()
$297
This JetBlue deal was found by Cheapflights users on 5/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Tue 6/25:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 5/3![JetBlue logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
ONT
- JFK
1 stop13h 21m
Alaska Airlines
Wed 6/35:29 pm
JFK
- ONT
1 stop20h 41m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 5/1. 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.
Fri 5/2910:00 pm
ONT
- JFK
1 stop8h 51m
Delta
Thu 6/41:11 pm
JFK
- ONT
1 stop8h 25m
Delta
Deal found 5/1![Delta logo]()
$299
This SmartFares deal was found by Cheapflights users on 5/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Thu 6/45:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 5/1![JetBlue logo]()
$301
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Mon 6/111:59 pm
ONT
- LGA
1 stop10h 00m
American Airlines
Fri 6/55:59 pm
LGA
- ONT
1 stop9h 00m
American Airlines
Deal found 5/4![American Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 5/1. 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.
Mon 6/15:50 pm
ONT
- JFK
1 stop10h 04m
Delta
Thu 6/41:11 pm
JFK
- ONT
1 stop8h 25m
Delta
Deal found 5/1![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/210:00 pm
ONT
- JFK
1 stop9h 33m
American Airlines
Tue 6/92:43 pm
JFK
- ONT
2 stops10h 14m
American Airlines
Deal found 5/4![American Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 5/3. 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.
Tue 6/95:45 am
ONT
- LGA
1 stop8h 10m
Southwest
Sat 6/137:15 am
LGA
- ONT
1 stop13h 35m
Southwest
Deal found 5/3![Southwest logo]()
$303
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 May 6, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
ONT
- EWR
2 stops40h 18m
Frontier
Deal found 5/4![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:47 pm
ONT
- EWR
1 stop14h 44m
Frontier
Deal found 5/5![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:47 pm
ONT
- EWR
1 stop14h 44m
Frontier
Deal found 5/4![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/96:43 pm
ONT
- EWR
1 stop23h 27m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$135
This SmartFares deal was found by Cheapflights users on 5/3. 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 5/2710:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Deal found 5/3![JetBlue logo]()
$143
This Super.com deal was found by Cheapflights users on 5/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:30 am
ONT
- LGA
1 stop10h 30m
Frontier
Deal found 5/4![Frontier logo]()
$144
This Frontier deal was found by Cheapflights users on 5/1. 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.
Sat 5/308:43 am
ONT
- LGA
1 stop10h 17m
Frontier
Deal found 5/1![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
ONT
- LGA
2 stops35h 56m
Frontier
Deal found 5/5![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Wed 6/171:33 pm
ONT
- EWR
2 stops17h 57m
Frontier
Deal found 5/1![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/93:34 pm
ONT
- JFK
2 stops17h 25m
Frontier
Deal found 5/1![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 5/5. 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.
Mon 7/2711:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 5/5![JetBlue logo]()
$147
This Mytrip deal was found by Cheapflights users on 5/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:43 am
ONT
- LGA
1 stop10h 17m
Frontier
Deal found 5/1![Frontier logo]()
$148
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 May 6, 2026.
Round-trip from | $282 (Delta) |
|---|---|
One-way from | $113 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $410 |
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 May 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
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Thu 7/23
10:00 pm-8:10 am
1 stop7h 10m
New York LaGuardia
Tue 7/28
6:00 am-10:38 am
1 stop7h 38m
$318
Quickest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 8/14
11:50 pm-8:11 am
Nonstop5h 21m
New York John F Kennedy Intl
Thu 8/20
7:30 pm-10:35 pm
Nonstop6h 05m
$322
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 8/13
11:50 pm-8:11 am
Nonstop5h 21m
New York John F Kennedy Intl
Thu 8/20
7:30 pm-10:35 pm
Nonstop6h 05m
$322
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 10/20
6:54 pm-6:59 am
1 stop9h 05m
Newark
Mon 10/26
5:41 pm-11:53 pm
1 stop9h 12m
$333
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 5/27
6:45 am-6:56 am
1 stop21h 11m
New York John F Kennedy Intl
Tue 6/2
6:34 pm-11:34 pm
1 stop8h 00m
$340
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 6/5
12:50 pm-10:55 pm
1 stop7h 05m
New York LaGuardia
Sat 6/6
6:00 am-2:20 pm
1 stop11h 20m
$344
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 8/8
11:24 pm-7:45 am
Nonstop5h 21m
New York John F Kennedy Intl
Wed 8/12
7:30 pm-10:35 pm
Nonstop6h 05m
$347
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 7/28
11:50 pm-8:11 am
Nonstop5h 21m
New York John F Kennedy Intl
Thu 7/30
7:30 pm-10:35 pm
Nonstop6h 05m
$347
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 9/25
6:12 pm-6:04 am
1 stop8h 52m
New York John F Kennedy Intl
Sat 9/26
9:55 am-5:18 pm
1 stop10h 23m
$353
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Sat 8/15
12:55 pm-11:44 pm
1 stop7h 49m
Newark
Fri 8/21
6:00 am-10:42 am
1 stop7h 42m
$373
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Connecticut
Have a flexible travel schedule? Discover the best time to fly to Connecticut from Ontario with our price prediction graph.
ONT-LGA
ONT-JFK
ONT-EWR
ONT-PVD
ONT-BDL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Connecticut
ONT-USCT
ONT-LGA
ONT-JFK
ONT-EWR
ONT-PVD
What is the cheapest month to book a flight from Ontario to Connecticut?
Currently, August is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $258). Flying from Ontario to Connecticut in March is currently the most expensive (average of $408). 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 May 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.
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
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 May 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$438 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$342 | Average$546 | FlexibilityNo cancel fee | On-time69% |