Ontario

$95+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — ONT
Jan 9 — Jan 161
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Cheap 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 December 10, 2025.

This Frontier deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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 12/1511:20 amJFK - ONT
1 stop9h 12mFrontier
Thu 1/82:34 pmONT - JFK
1 stop12h 56mFrontier
Deal found 12/8$233
This CheapOair deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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 12/166:59 amJFK - ONT
1 stop17h 18mFrontier
Mon 1/56:45 amONT - JFK
1 stop26h 07mFrontier
Deal found 12/8$234
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” 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.
Wed 12/1010:55 pmLGA - ONT
1 stop15h 14mFrontier
Wed 12/246:45 amONT - LGA
1 stop12h 15mFrontier
Deal found 12/7$234
This CheapOair deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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.
Sat 12/134:29 pmJFK - ONT
1 stop25h 37mFrontier
Tue 1/64:04 pmONT - JFK
1 stop11h 26mFrontier
Deal found 12/8$235
This Frontier deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” 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.
Fri 12/196:59 amJFK - ONT
1 stop13h 10mFrontier
Thu 1/88:14 pmONT - JFK
1 stop7h 16mFrontier
Deal found 12/7$237
This Mytrip deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” 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.
Wed 12/176:59 amJFK - ONT
1 stop17h 18mFrontier
Wed 12/246:00 amONT - JFK
1 stop20h 30mFrontier
Deal found 12/10$242
This Flightnetwork deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:59 amJFK - ONT
1 stop17h 18mFrontier
Thu 1/810:18 pmONT - JFK
1 stop29h 12mFrontier
Deal found 12/9$245
This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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.
Sat 12/134:29 pmJFK - ONT
1 stop25h 37mFrontier
Wed 12/176:15 amONT - JFK
1 stop20h 15mFrontier
Deal found 12/8$246
This Frontier deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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 12/156:59 amJFK - ONT
1 stop10h 05mFrontier
Mon 12/155:18 pmONT - JFK
1 stop9h 12mFrontier
Deal found 12/8$249
This Gotogate deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:59 amJFK - ONT
1 stop17h 18mFrontier
Tue 12/166:15 amONT - JFK
1 stop20h 15mFrontier
Deal found 12/8$253
This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” 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.
Wed 12/1710:08 pmLGA - ONT
1 stop13h 45mFrontier
Wed 12/246:45 amONT - LGA
1 stop12h 15mFrontier
Deal found 12/10$253
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” 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.
Wed 12/106:59 amJFK - ONT
1 stop17h 18mFrontier
Tue 12/166:15 amONT - JFK
1 stop20h 15mFrontier
Deal found 12/9$254

Find flight deals from Connecticut to Ontario

Keep the following information in mind while searching for Connecticut to Ontario flight deals. Data was last updated December 10, 2025.

Round-trip from

$228
(Booking.com)

One-way from

$95
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$435
From Connecticut to Ontario
One-way flight from Connecticut to Ontario
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 10, 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

Fri 1/9

7:59 am-2:54 pm

1 stop9h 55m

Ontario

Sat 1/17

7:15 am-3:25 pm

1 stop29h 10m

$237

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Sat 2/7

11:30 am-8:36 pm

1 stop12h 06m

Ontario

Wed 2/18

6:14 am-7:10 pm

1 stop9h 56m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 1/27

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Sun 2/1

6:00 am-7:28 pm

1 stop10h 28m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Mon 2/2

4:22 pm-11:56 pm

1 stop10h 34m

Ontario

Mon 2/9

6:00 am-7:28 pm

1 stop10h 28m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 2/5

4:22 pm-11:56 pm

1 stop10h 34m

Ontario

Mon 2/9

6:00 am-7:28 pm

1 stop10h 28m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 2/3

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Sun 2/8

6:00 am-7:28 pm

1 stop10h 28m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 2/3

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Mon 2/9

6:00 am-7:28 pm

1 stop10h 28m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 1/21

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Sun 1/25

6:00 am-7:28 pm

1 stop10h 28m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 1/22

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Mon 1/26

5:59 pm-3:18 pm

1 stop18h 19m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Fri 2/20

5:00 pm-11:52 pm

1 stop9h 52m

Ontario

Wed 2/25

6:14 am-7:10 pm

1 stop9h 56m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 February is currently the most expensive (average of $264). 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 December 10, 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.

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, Alaska Airlines, and Delta fly from Connecticut to Ontario in about 8h 05m. The time it takes to get you to your destination can typically vary by up to 4h 01m. The distance from Connecticut to Ontario is about 2417 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 $153. However, be on the lookout for offers from American Airlines and United Airlines, 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 February is currently the most expensive (average of $264). 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$466FlexibilityNo cancel feeOn-time71%
DeltaCheapest$316Average$402FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$321Average$477FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$326Average$516FlexibilityNo cancel feeOn-time69%

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