Ontario

$72+ Cheap flights from Connecticut to Ontario (ONT)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — ONT
Nov 21 — Nov 281
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Cheap flight deals from Connecticut to Ontario

Keep the following information in mind while searching for Connecticut to Ontario flight deals. Data was last updated Oktober 22, 2025.

Round-trip from

$195
(Kiwi.com)

One-way from

$72
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$381
From Connecticut to Ontario
One-way flight from Connecticut to Ontario
Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from Connecticut to Ontario

Cheapest flights from Connecticut to Ontario
Explore the most affordable flight options available from Connecticut to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Oktober 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Khamis 11/65:59 pmEWR - ONT
1 stop16h 18mMultiple Airlines
Rabu 11/128:45 amONT - EWR
2 stops12h 49mMultiple Airlines
Deal found 10/20$195
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Rabu 10/296:59 amEWR - ONT
1 stop16h 43mMultiple Airlines
Isnin 11/36:00 amONT - EWR
1 stop8h 03mMultiple Airlines
Deal found 10/21$208
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Khamis 11/65:59 pmEWR - ONT
1 stop16h 18mMultiple Airlines
Isnin 11/101:46 pmONT - EWR
1 stop16h 48mMultiple Airlines
Deal found 10/20$210
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Rabu 10/296:59 amEWR - ONT
1 stop16h 43mMultiple Airlines
Ahad 11/210:43 pmONT - EWR
1 stop15h 20mMultiple Airlines
Deal found 10/19$213
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Rabu 10/296:59 amEWR - ONT
1 stop16h 43mMultiple Airlines
Sabtu 11/18:00 amONT - EWR
1 stop10h 01mMultiple Airlines
Deal found 10/20$227
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Sabtu 11/156:18 pmEWR - ONT
1 stop15h 59mMultiple Airlines
Ahad 11/1610:43 pmONT - EWR
1 stop15h 20mMultiple Airlines
Deal found 10/21$232
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Rabu 11/194:00 pmJFK - ONT
1 stop8h 27mFrontier
Isnin 12/16:12 pmONT - JFK
1 stop13h 13mFrontier
Deal found 10/20$238
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Jumaat 11/710:00 pmLGA - ONT
2 stops16h 10mMultiple Airlines
Isnin 11/101:46 pmONT - LGA
1 stop29h 55mMultiple Airlines
Deal found 10/20$238
This Trip.com deal was found by Cheapflights users on 10/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 10/2810:55 pmLGA - ONT
1 stop27h 55mFrontier
Khamis 10/307:39 amONT - LGA
1 stop10h 25mFrontier
Deal found 10/20$239
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Rabu 10/294:00 pmJFK - ONT
1 stop10h 50mFrontier
Sabtu 11/86:53 amONT - JFK
2 stops14h 40mFrontier
Deal found 10/21$240
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 11/131:30 pmLGA - ONT
1 stop10h 41mAmerican Airlines
Ahad 11/1611:59 pmONT - LGA
1 stop8h 30mAmerican Airlines
Deal found 10/20$240
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Sabtu 11/17:59 amJFK - ONT
1 stop7h 38mFrontier
Ahad 11/21:46 pmONT - JFK
2 stops32h 29mFrontier
Deal found 10/20$241

Cheapflights Fare Finder

 
Customize your flight search to find flights from Connecticut to Ontario 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 Oktober 22, 2025.
Use the filters below to find and compare flights from Connecticut to Ontario that are best for you.

Fly from

Connecticut

Fly to

Ontario

Route

Depart

Return

Price

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Sabtu 10/25

6:59 am-12:37 pm

1 stop8h 38m

Ontario

Sabtu 11/1

1:37 pm-7:30 am

1 stop14h 53m

$255

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Selasa 3/10

1:00 pm-9:14 pm

1 stop11h 14m

Ontario

Isnin 3/16

10:30 pm-9:45 am

1 stop8h 15m

$257

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Selasa 2/24

3:00 pm-9:14 pm

1 stop9h 14m

Ontario

Sabtu 2/28

10:30 pm-10:47 am

1 stop9h 17m

$257

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Khamis 12/4

1:56 pm-11:58 pm

2 stops13h 02m

Ontario

Isnin 12/8

10:25 pm-10:43 am

1 stop9h 18m

$262

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Khamis 11/20

2:50 pm-11:52 pm

2 stops12h 02m

Ontario

Jumaat 12/5

12:12 pm-11:41 pm

1 stop8h 29m

$262

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Rabu 11/5

1:59 pm-7:19 pm

1 stop8h 20m

Ontario

Ahad 11/9

10:25 pm-10:44 am

1 stop9h 19m

$263

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Isnin 11/10

1:55 pm-11:52 pm

2 stops12h 57m

Ontario

Khamis 11/13

12:16 pm-10:47 pm

1 stop7h 31m

$265

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Jumaat 1/23

5:00 pm-11:52 pm

2 stops9h 52m

Ontario

Isnin 1/26

5:05 pm-10:47 am

2 stops14h 42m

$267

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Khamis 10/30

7:59 am-12:51 pm

1 stop7h 52m

Ontario

Jumaat 11/7

7:23 pm-11:59 am

1 stop13h 36m

$273

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Jumaat 12/5

4:00 pm-11:29 pm

1 stop10h 29m

Ontario

Isnin 12/8

6:00 am-7:29 pm

1 stop10h 29m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 60 results
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Best time to book a flight from Connecticut to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Connecticut with our price prediction graph.
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 Connecticut to Ontario

What is the cheapest month to book a flight from Connecticut to Ontario?

Currently, September is the cheapest month in which you can book a flight from Connecticut to Ontario (average of $111). Flying from Connecticut to Ontario in January is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from CT to ONT?

Find hourly flight availability from Connecticut to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Oktober 22, 2025.

It’s typically best to fly out from Connecticut to Ontario in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Connecticut to Ontario?

Related info for your journey

Find useful and relevant information for your journey from Connecticut to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Ontario from Connecticut?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Connecticut.

  • How long is the flight from Connecticut to Ontario?

    Airlines like Frontier, Delta, and Alaska Airlines fly from Connecticut to Ontario in about 8h 38m. The time it takes to get you to your destination can typically vary by up to 2h 36m. The distance from Connecticut to Ontario is about 2422 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Connecticut to Ontario one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $129. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from Connecticut to Ontario for a low price.

  • What are the most popular routes from Connecticut to Ontario?

  • Can I find deals for flights from Connecticut to Ontario that include hotel bookings?

    Yes. In addition to deals on Connecticut to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Connecticut to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Connecticut to Ontario.

  • Can I find deals for business class flights from Connecticut to Ontario?

    Yes. Cheapflights offers flight deals from Connecticut to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Connecticut to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Connecticut to Ontario (average of $111). Flying from Connecticut to Ontario in January is currently the most expensive (average of $290). 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.

See more FAQs

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Alternative routes for Connecticut to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Connecticut to Ontario

Discover the top 4 airlines that operate flights from Connecticut to Ontario. 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 Oktober 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$534FlexibilityNo cancel feeOn-time71%
DeltaCheapest$306Average$366FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$321Average$480FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$326Average$516FlexibilityNo cancel feeOn-time69%

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