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$103+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheap flight deals from Ontario to Connecticut

Keep the following information in mind while searching for Ontario to Connecticut flight deals. Data was last updated June 23, 2025.

Round-trip from

$252
(Frontier)

One-way from

$103
(Trip.com)
From Ontario to Connecticut
Search Deals
One-way flight from Ontario to Connecticut
Search Deals

Find flight deals from Ontario to Connecticut

Cheapest flights from Ontario to Connecticut
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 June 23, 2025.

This Frontier deal was found by Cheapflights users on 6/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/47:36 pmONT - JFK
1 stop6h 54mFrontier
Tue 7/156:59 amJFK - ONT
1 stop12h 21mFrontier
Deal found 6/21$252
This JetBlue deal was found by Cheapflights users on 6/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:56 pmONT - JFK
Nonstop5h 22mJetBlue
Wed 9/106:35 pmJFK - ONT
Nonstop5h 54mJetBlue
Deal found 6/21$257
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/410:28 pmONT - EWR
1 stop8h 26mAmerican Airlines
Sat 7/126:51 amEWR - ONT
1 stop8h 09mAmerican Airlines
Deal found 6/21$261
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:00 amONT - LGA
1 stop10h 00mUnited Airlines
Tue 8/125:25 pmLGA - ONT
1 stop7h 46mUnited Airlines
Deal found 6/21$262
This Southwest deal was found by Cheapflights users on 6/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:45 amONT - LGA
1 stop8h 40mSouthwest
Wed 7/27:15 amLGA - ONT
1 stop8h 45mSouthwest
Deal found 6/21$267
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:59 amONT - LGA
1 stop10h 00mAmerican Airlines
Tue 8/126:10 pmLGA - ONT
1 stop7h 38mAmerican Airlines
Deal found 6/21$268
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/177:05 pmONT - JFK
2 stops10h 45mAmerican Airlines
Wed 7/232:40 pmJFK - ONT
1 stop9h 58mAmerican Airlines
Deal found 6/21$272
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2210:05 pmONT - LGA
1 stop9h 43mDelta
Thu 7/246:00 amLGA - ONT
1 stop7h 30mDelta
Deal found 6/22$277
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2210:05 pmONT - EWR
1 stop8h 24mDelta
Thu 7/246:00 amEWR - ONT
1 stop7h 30mDelta
Deal found 6/22$277
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2210:05 pmONT - JFK
1 stop8h 57mDelta
Tue 7/296:00 amJFK - ONT
1 stop7h 30mDelta
Deal found 6/22$277
This Frontier deal was found by Cheapflights users on 6/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/110:06 amONT - LGA
1 stop7h 53mFrontier
Tue 7/810:55 pmLGA - ONT
1 stop13h 14mFrontier
Deal found 6/21$286
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:28 pmONT - EWR
1 stop8h 08mUnited Airlines
Tue 7/226:05 amEWR - ONT
1 stop9h 27mUnited Airlines
Deal found 6/22$289

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 June 23, 2025.
Use the filters below to find and compare flights from Ontario to Connecticut that are best for you.

Fly from

Ontario

Fly to

Connecticut

Route

Depart

Return

Price

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 7/4

7:36 pm-5:30 am

1 stop6h 54m

New York John F Kennedy Intl

Tue 7/15

6:59 am-4:20 pm

1 stop12h 21m

$252

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 9/3

10:56 pm-7:18 am

Nonstop5h 22m

New York John F Kennedy Intl

Wed 9/10

6:35 pm-9:29 pm

Nonstop5h 54m

$257

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Fri 7/4

10:28 pm-9:54 am

1 stop8h 26m

Newark

Sat 7/12

6:51 am-12:00 pm

1 stop8h 09m

$261

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 8/6

6:00 am-7:00 pm

1 stop10h 00m

New York LaGuardia

Tue 8/12

5:25 pm-10:11 pm

1 stop7h 46m

$262

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 8/4

12:59 am-1:59 pm

1 stop10h 00m

New York LaGuardia

Tue 8/12

6:10 pm-10:48 pm

1 stop7h 38m

$268

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 7/24

5:00 am-8:20 pm

1 stop12h 20m

New York LaGuardia

Tue 7/29

7:15 am-1:00 pm

1 stop8h 45m

$272

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 7/17

7:05 pm-8:50 am

2 stops10h 45m

New York John F Kennedy Intl

Wed 7/23

2:40 pm-9:38 pm

1 stop9h 58m

$272

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 7/22

10:05 pm-10:48 am

1 stop9h 43m

New York LaGuardia

Wed 7/23

5:00 pm-10:27 pm

1 stop8h 27m

$277

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 7/22

10:05 pm-9:29 am

1 stop8h 24m

Newark

Thu 7/24

6:00 am-10:30 am

1 stop7h 30m

$277

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 7/22

10:05 pm-10:02 am

1 stop8h 57m

New York John F Kennedy Intl

Tue 7/29

6:00 am-10:30 am

1 stop7h 30m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Showing 1-10 of 54 results
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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.
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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $287). Flying from Ontario to Connecticut in December is currently the most expensive (average of $351). 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.

Rainfall in Connecticut by month

Plan your trip to Connecticut by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Connecticut ranges from 3.1 - 4.1 inches per month. September is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Connecticut when rainfall is around 3.1 in.

Temperature in Connecticut by month

Plan your trip to Connecticut by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Connecticut, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 June 23, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Ontario to Connecticut have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,965 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,520 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,831 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airport do you fly from for flights from Ontario to Connecticut?

    If you book a flight to Connecticut from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $119. Frontier flights start at $131 while deals on Hawaiian Airlines start at $133 one-way.

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

    The most popular route from Ontario to Connecticut is Ontario - New York John F Kennedy Intl. You may also consider Ontario - Newark or Ontario - New York LaGuardia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Connecticut 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 Ontario to Connecticut?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $287). Flying from Ontario to Connecticut in December is currently the most expensive (average of $351). 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 Ontario to Connecticut

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$300Average$448FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$336Average$447FlexibilityNo cancel feeOn-time71%
DeltaCheapest$336Average$411FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$342Average$547FlexibilityNo cancel feeOn-time69%

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