$125+ Cheap flights from Ontario (ONT) to Connecticut
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Jun 15 — Jun 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Connecticut with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Connecticut
Cheapest
Best
Last-minute
One-way
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 16, 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 16, 2026.
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm
ONT
- LGA
1 stop7h 50m
Delta
Sun 9/66:00 am
LGA
- ONT
1 stop8h 04m
Delta
Deal found 5/14![Delta logo]()
$287
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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
Sat 9/126:59 am
JFK
- ONT
1 stop7h 30m
American Airlines
Deal found 5/15![American Airlines logo]()
$287
This Frontier deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 10/158:07 am
ONT
- LGA
1 stop10h 53m
Frontier
Wed 10/2810:55 pm
LGA
- ONT
1 stop11h 17m
Frontier
Deal found 5/12![Frontier logo]()
$290
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 9/157:20 am
ONT
- JFK
1 stop10h 25m
American Airlines
Sat 9/196:59 am
JFK
- ONT
1 stop7h 49m
American Airlines
Deal found 5/12![American Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/245:00 am
ONT
- LGA
1 stop9h 24m
United Airlines
Sat 5/304:30 pm
LGA
- ONT
1 stop9h 21m
United Airlines
Deal found 5/13![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 5/275:50 pm
ONT
- JFK
1 stop10h 06m
Delta
Sat 5/306:06 am
JFK
- ONT
1 stop9h 13m
Delta
Deal found 5/15![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:59 pm
ONT
- LGA
1 stop7h 46m
Delta
Tue 10/133:00 pm
LGA
- ONT
2 stops10h 14m
Delta
Deal found 5/11![Delta logo]()
$296
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 10/2110:29 am
ONT
- JFK
2 stops9h 00m
American Airlines
Wed 10/2812:04 pm
JFK
- ONT
1 stop11h 00m
American Airlines
Deal found 5/13![American Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/245:44 am
ONT
- LGA
1 stop10h 38m
American Airlines
Sat 5/303:30 pm
LGA
- ONT
2 stops9h 32m
American Airlines
Deal found 5/13![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 5/2911:59 pm
ONT
- JFK
2 stops10h 49m
American Airlines
Sat 6/66:59 am
JFK
- ONT
1 stop8h 05m
American Airlines
Deal found 5/16![American Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/2710:45 am
ONT
- LGA
1 stop9h 00m
Southwest
Mon 6/17:15 am
LGA
- ONT
1 stop10h 05m
Southwest
Deal found 5/13![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/3011:52 am
ONT
- JFK
1 stop9h 51m
Delta
Thu 6/43:55 pm
JFK
- ONT
1 stop8h 53m
Delta
Deal found 5/13![Delta 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 16, 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 16, 2026.
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/2911:55 pm
ONT
- LGA
1 stop8h 20m
Southwest
Wed 7/156:55 am
LGA
- ONT
1 stop8h 45m
Southwest
Deal found 5/12![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 8/210:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Wed 8/126:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 5/12![Delta logo]()
$299
This JetBlue deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Thu 8/137:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/12![JetBlue logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 7/285:32 pm
ONT
- EWR
1 stop9h 27m
Alaska Airlines
Wed 8/125:05 pm
EWR
- ONT
1 stop9h 47m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:45 am
ONT
- LGA
1 stop7h 59m
United Airlines
Tue 8/112:25 pm
LGA
- ONT
1 stop8h 32m
United Airlines
Deal found 5/16![United Airlines logo]()
$437
This KAYAK deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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.
Sat 5/301:10 pm
ONT
- EWR
1 stop7h 49m
American Airlines
Thu 6/45:47 am
EWR
- ONT
1 stop10h 41m
American Airlines
Deal found 5/14![American Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 8/210:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Tue 8/116:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 5/12![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 8/612:25 pm
ONT
- LGA
1 stop7h 30m
Southwest
Tue 8/116:55 am
LGA
- ONT
2 stops10h 10m
Southwest
Deal found 5/11![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:00 pm
ONT
- JFK
1 stop8h 09m
Delta
Sat 7/256:00 am
JFK
- ONT
1 stop9h 10m
Delta
Deal found 5/13![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 5/16![Alaska Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 7/611:55 pm
ONT
- PVD
1 stop9h 45m
Southwest
Tue 7/145:55 am
PVD
- ONT
2 stops9h 45m
Southwest
Deal found 5/13![Southwest logo]()
$388
This JetBlue deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 6/3011:58 pm
ONT
- JFK
Nonstop5h 24m
JetBlue
Sun 7/197:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 5/11![JetBlue logo]()
$442
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/31:18 pm
ONT
- EWR
1 stop8h 46m
United Airlines
Sat 6/61:25 pm
EWR
- ONT
1 stop10h 21m
United Airlines
Deal found 5/12![United Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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
- PVD
1 stop8h 27m
Delta
Sat 8/155:35 am
PVD
- ONT
2 stops9h 30m
Delta
Deal found 5/15![Delta logo]()
$388
This JetBlue deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 7/211:54 pm
ONT
- JFK
Nonstop5h 24m
JetBlue
Sat 7/116:59 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 5/13![JetBlue logo]()
$457
This KAYAK deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:59 pm
ONT
- EWR
1 stop8h 32m
American Airlines
Thu 6/45:47 am
EWR
- ONT
1 stop9h 02m
American Airlines
Deal found 5/14![American Airlines logo]()
$518
This Alaska Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/94:03 pm
ONT
- JFK
1 stop11h 26m
Alaska Airlines
Wed 6/105:08 pm
JFK
- ONT
1 stop9h 43m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$475
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 8/127:05 pm
ONT
- PVD
2 stops10h 40m
Southwest
Mon 8/178:35 am
PVD
- ONT
2 stops9h 55m
Southwest
Deal found 5/13![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 6/911:50 am
ONT
- LGA
1 stop8h 33m
Delta
Tue 6/162:29 pm
LGA
- ONT
2 stops12h 20m
Delta
Deal found 5/11![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/271:18 pm
ONT
- EWR
1 stop8h 46m
United Airlines
Mon 7/67:00 am
EWR
- ONT
1 stop8h 12m
United Airlines
Deal found 5/16![United Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 5/15![Delta logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
Mon 6/18:11 pm
ONT
- EWR
1 stop17h 45m
Alaska Airlines
Sat 6/67:30 am
EWR
- ONT
1 stop10h 39m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$480
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 8/2111:55 pm
ONT
- BDL
1 stop8h 10m
Southwest
Sat 8/293:50 pm
BDL
- ONT
1 stop7h 20m
Southwest
Deal found 5/13![Southwest logo]()
$439
This JetBlue deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/610:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Fri 6/127:37 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 5/14![JetBlue logo]()
$490
This KAYAK deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:00 am
ONT
- JFK
1 stop10h 20m
American Airlines
Wed 6/176:49 am
JFK
- ONT
1 stop7h 58m
American Airlines
Deal found 5/14![American Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 5/296:39 pm
ONT
- PVD
2 stops12h 52m
United Airlines
Tue 6/22:46 pm
PVD
- ONT
2 stops11h 05m
United Airlines
Deal found 5/14![United Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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.
Sun 5/317:00 am
ONT
- JFK
1 stop9h 13m
Alaska Airlines
Fri 6/54:15 pm
JFK
- ONT
1 stop10h 43m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$480
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 7/209:40 pm
ONT
- BDL
2 stops10h 20m
Southwest
Fri 7/242:50 pm
BDL
- ONT
1 stop10h 35m
Southwest
Deal found 5/13![Southwest logo]()
$444
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/2010:00 pm
ONT
- BDL
1 stop9h 25m
Delta
Wed 9/22:20 pm
BDL
- ONT
1 stop10h 36m
Delta
Deal found 5/14![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 5/276:39 pm
ONT
- PVD
2 stops12h 52m
United Airlines
Sat 5/3011:12 am
PVD
- ONT
2 stops14h 38m
United Airlines
Deal found 5/11![United Airlines logo]()
$517
Last-minute flights from Ontario to ConnecticutDiscover last-minute flight deals from Ontario to Connecticut. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Connecticut. Data last updated May 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 5/231:29 pm
ONT
- JFK
1 stop7h 26m
Delta
Fri 7/106:00 am
JFK
- ONT
1 stop7h 38m
Delta
Deal found 5/15![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/245:00 am
ONT
- LGA
1 stop9h 24m
United Airlines
Sat 5/304:30 pm
LGA
- ONT
1 stop9h 21m
United Airlines
Deal found 5/13![United Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/245:44 am
ONT
- LGA
1 stop10h 38m
American Airlines
Sat 5/303:30 pm
LGA
- ONT
2 stops9h 32m
American Airlines
Deal found 5/13![American Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 5/275:50 pm
ONT
- JFK
1 stop10h 06m
Delta
Sat 5/306:06 am
JFK
- ONT
1 stop9h 13m
Delta
Deal found 5/15![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/2710:45 am
ONT
- LGA
1 stop9h 00m
Southwest
Mon 6/17:15 am
LGA
- ONT
1 stop10h 05m
Southwest
Deal found 5/13![Southwest logo]()
$298
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 5/2911:59 pm
ONT
- JFK
2 stops10h 49m
American Airlines
Sat 6/66:59 am
JFK
- ONT
1 stop8h 05m
American Airlines
Deal found 5/16![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 5/301:10 pm
ONT
- JFK
1 stop7h 48m
American Airlines
Sat 6/136:59 am
JFK
- ONT
1 stop8h 05m
American Airlines
Deal found 5/12![American Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/3011:52 am
ONT
- JFK
1 stop9h 51m
Delta
Mon 6/16:06 am
JFK
- ONT
1 stop9h 13m
Delta
Deal found 5/13![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 5/305:44 am
ONT
- LGA
1 stop10h 38m
American Airlines
Wed 6/32:29 pm
LGA
- ONT
1 stop11h 07m
American Airlines
Deal found 5/12![American Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 5/306:10 am
ONT
- JFK
2 stops11h 10m
American Airlines
Wed 6/36:59 am
JFK
- ONT
1 stop8h 06m
American Airlines
Deal found 5/14![American Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/210:22 am
ONT
- LGA
1 stop8h 07m
American Airlines
Fri 6/55:59 pm
LGA
- ONT
1 stop9h 00m
American Airlines
Deal found 5/15![American Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 6/811:59 pm
ONT
- JFK
2 stops10h 49m
American Airlines
Wed 6/106:59 am
JFK
- ONT
1 stop8h 05m
American Airlines
Deal found 5/11![American Airlines logo]()
$296
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 16, 2026.
Search for one-way flight options from Ontario to Connecticut. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Frontier deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 5/12![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:47 pm
ONT
- EWR
1 stop14h 44m
Frontier
Deal found 5/11![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/253:34 pm
ONT
- BDL
1 stop11h 46m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$137
This Super.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Fri 6/58:03 am
ONT
- LGA
1 stop10h 57m
Frontier
Deal found 5/12![Frontier logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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.
Sat 7/411:16 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 5/13![JetBlue logo]()
$149
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/1311:50 am
ONT
- LGA
1 stop8h 33m
Delta
Deal found 5/13![Delta logo]()
$150
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
Mon 6/18:03 am
ONT
- LGA
1 stop10h 57m
Frontier
Deal found 5/11![Frontier logo]()
$151
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 7/76:47 pm
ONT
- EWR
1 stop14h 44m
Frontier
Deal found 5/12![Frontier logo]()
$151
This Super.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/511:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 5/15![JetBlue logo]()
$151
This Super.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 5/13![JetBlue logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 7/73:40 pm
ONT
- LGA
2 stops28h 34m
Frontier
Deal found 5/11![Frontier logo]()
$153
This Super.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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.
Fri 8/711:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 5/14![JetBlue logo]()
$153
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 16, 2026.
Round-trip from | $287 (Delta) |
|---|---|
One-way from | $125 (Frontier) |
Popular in | April |
Cheapest in | January |
Average price | $440 |
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 16, 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
Mon 6/29
11:55 pm-11:15 am
1 stop8h 20m
New York LaGuardia
Wed 7/15
6:55 am-12:40 pm
1 stop8h 45m
$298
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sun 8/2
10:00 pm-8:10 am
1 stop7h 10m
New York LaGuardia
Wed 8/12
6:00 am-10:42 am
1 stop7h 42m
$299
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sun 8/2
10:00 pm-8:10 am
1 stop7h 10m
New York LaGuardia
Tue 8/11
6:00 am-10:42 am
1 stop7h 42m
$299
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Thu 8/6
12:25 pm-10:55 pm
1 stop7h 30m
New York LaGuardia
Tue 8/11
6:55 am-2:05 pm
2 stops10h 10m
$327
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 7/18
12:00 pm-11:09 pm
1 stop8h 09m
New York John F Kennedy Intl
Sat 7/25
6:00 am-12:10 pm
1 stop9h 10m
$347
Quickest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 7/29
11:50 pm-8:11 am
Nonstop5h 21m
New York John F Kennedy Intl
Thu 8/13
7:30 pm-10:35 pm
Nonstop6h 05m
$357
OntarioProvidence
ONT - PVD
ONTPVD
Ontario
Mon 7/6
11:55 pm-12:40 pm
1 stop9h 45m
Providence-TFGreen
Tue 7/14
5:55 am-12:40 pm
2 stops9h 45m
$388
OntarioProvidence
ONT - PVD
ONTPVD
Ontario
Tue 8/4
12:32 pm-11:59 pm
1 stop8h 27m
Providence-TFGreen
Sat 8/15
5:35 am-12:05 pm
2 stops9h 30m
$388
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Tue 6/9
11:50 am-11:23 pm
1 stop8h 33m
New York LaGuardia
Tue 6/16
2:29 pm-11:49 pm
2 stops12h 20m
$394
OntarioHartford
ONT - BDL
ONTBDL
Ontario
Tue 8/4
12:32 pm-11:58 pm
1 stop8h 26m
Hartford Bradley Intl
Tue 8/18
6:00 am-10:42 am
1 stop7h 42m
$395
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Connecticut
Have a flexible travel schedule? Discover the best time to fly to Connecticut from Ontario with our price prediction graph.
ONT-JFK
ONT-LGA
ONT-PVD
ONT-BDL
ONT-EWR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Connecticut
ONT-USCT
ONT-JFK
ONT-LGA
ONT-PVD
ONT-BDL
What is the cheapest month to book a flight from Ontario to Connecticut?
Currently, August is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $258). Flying from Ontario to Connecticut in April is currently the most expensive (average of $523). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ontario to Connecticut?
Reviews of airlines servicing Connecticut
Get insights into the airlines that provide service to Connecticut. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Connecticut. Reviews last updated May 16, 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
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 May 16, 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 16, 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% |