HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Connecticut

$120+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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

Keep the following information in mind while searching for Ontario to Connecticut flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Frontier)

One-way from

$120
(Frontier)
Provider with most accurate pricing for Los Angeles-Springfield (SFY) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Springfield (SFY) flights.
Search Deals
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 March 28, 2025.

This Frontier deal was found by Cheapflights users on 3/28. 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 5/166:47 pmONT - JFK
1 stop14h 12mFrontier
Wed 5/216:59 amJFK - ONT
1 stop8h 09mFrontier
Deal found 3/28$237
This JetBlue deal was found by Cheapflights users on 3/28. 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 5/610:59 pmONT - JFK
Nonstop5h 20mJetBlue
Wed 5/76:00 pmJFK - ONT
Nonstop6h 11mJetBlue
Deal found 3/28$243
This Frontier deal was found by Cheapflights users on 3/27. 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 4/149:31 amONT - LGA
1 stop9h 29mFrontier
Fri 4/1810:59 pmLGA - ONT
1 stop11h 40mFrontier
Deal found 3/27$248
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Wed 4/911:23 amONT - LGA
1 stop7h 37mMultiple Airlines
Wed 4/1611:56 amLGA - ONT
1 stop10h 02mMultiple Airlines
Deal found 3/27$262
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/296:00 amONT - JFK
1 stop10h 08mAlaska Airlines
Sat 5/37:20 amJFK - ONT
1 stop11h 12mAlaska Airlines
Deal found 3/27$262
This Southwest deal was found by Cheapflights users on 3/26. 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 4/231:05 pmONT - LGA
1 stop7h 20mSouthwest
Wed 5/143:45 pmLGA - ONT
1 stop9h 30mSouthwest
Deal found 3/26$267
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/296:00 amONT - LGA
1 stop7h 04mAmerican Airlines
Fri 5/25:59 pmLGA - ONT
1 stop8h 51mAmerican Airlines
Deal found 3/27$272
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/2810:40 pmONT - EWR
1 stop8h 00mAmerican Airlines
Wed 5/77:59 amEWR - ONT
1 stop8h 53mAmerican Airlines
Deal found 3/26$272
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:00 amONT - JFK
1 stop10h 08mHawaiian Airlines
Sat 5/37:20 amJFK - ONT
1 stop11h 12mHawaiian Airlines
Deal found 3/27$276
This Delta deal was found by Cheapflights users on 3/27. 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 4/2910:15 pmONT - LGA
1 stop6h 54mDelta
Sat 5/36:00 amLGA - ONT
1 stop7h 57mDelta
Deal found 3/27$277
This Delta deal was found by Cheapflights users on 3/26. 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 4/165:15 pmONT - EWR
1 stop9h 26mDelta
Tue 4/223:29 pmEWR - ONT
1 stop10h 07mDelta
Deal found 3/26$277
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 5/56:24 pmONT - EWR
1 stop17h 35mAlaska Airlines
Fri 5/95:30 pmEWR - ONT
1 stop9h 28mAlaska Airlines
Deal found 3/27$296

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 March 28, 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 5/16

6:47 pm-11:59 am

1 stop14h 12m

New York John F Kennedy Intl

Wed 5/21

6:59 am-12:08 pm

1 stop8h 09m

$237

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 5/6

10:59 pm-7:19 am

Nonstop5h 20m

New York John F Kennedy Intl

Wed 5/7

6:00 pm-9:11 pm

Nonstop6h 11m

$243

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 4/14

9:31 am-10:00 pm

1 stop9h 29m

New York LaGuardia

Fri 4/18

10:59 pm-7:39 am

1 stop11h 40m

$248

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 4/9

11:23 am-10:00 pm

1 stop7h 37m

New York LaGuardia

Wed 4/16

11:56 am-6:58 pm

1 stop10h 02m

$262

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 4/29

6:00 am-7:08 pm

1 stop10h 08m

New York John F Kennedy Intl

Sat 5/3

7:20 am-3:32 pm

1 stop11h 12m

$262

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 4/23

1:05 pm-11:25 pm

1 stop7h 20m

New York LaGuardia

Wed 5/14

3:45 pm-10:15 pm

1 stop9h 30m

$267

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 4/29

6:00 am-4:04 pm

1 stop7h 04m

New York LaGuardia

Fri 5/2

5:59 pm-11:50 pm

1 stop8h 51m

$272

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Mon 4/28

10:40 pm-9:40 am

1 stop8h 00m

Newark

Wed 5/7

7:59 am-1:52 pm

1 stop8h 53m

$272

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 4/29

6:00 am-7:08 pm

1 stop10h 08m

New York John F Kennedy Intl

Sat 5/3

7:20 am-3:32 pm

1 stop11h 12m

$276

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 4/29

10:15 pm-8:09 am

1 stop6h 54m

New York LaGuardia

Sat 5/3

6:00 am-10:57 am

1 stop7h 57m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 55 results
1
2
3
...
6

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 June is currently the most expensive (average of $357). 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 ONT to CT?

Find hourly flight availability from Ontario to Connecticut. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Connecticut as you normally would.

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 March 28, 2025.
See what other customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 Frontier, which is currently one of the cheapest options available, starting at $120. JetBlue flights start at $122 while deals on American Airlines start at $134 one-way.

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

    The most popular route from Ontario to Connecticut is Ontario - Newark. You may also consider Ontario - New York John F Kennedy Intl 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 June is currently the most expensive (average of $357). 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

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 for Ontario to Connecticut

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Newark flights
Los Angeles to Honolulu flights
Los Angeles to John F Kennedy Intl flights
Los Angeles to Seattle flights
Los Angeles to LaGuardia flights
San Francisco to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Miami flights
San Jose to Los Angeles flights
Burbank to Las Vegas flights
Los Angeles to Las Vegas flights
San Francisco to Los Angeles flights
Los Angeles to Orlando flights
Los Angeles to O'Hare Intl flights
Oakland to Los Angeles flights
Los Angeles to San Francisco flights
Los Angeles to Reagan-National flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to Las Vegas flights
Santa Ana to Las Vegas flights
Los Angeles to Boston flights
Los Angeles to Portland flights
Los Angeles to San Jose flights
San Francisco to Honolulu flights
San Francisco to LaGuardia flights
San Francisco to Dallas/Fort Worth flights
San Francisco to Seattle flights
Los Angeles to Dulles Intl flights
Santa Ana to Seattle flights
Los Angeles to Fort Lauderdale flights
San Diego to Seattle flights
Burbank to Newark flights
Los Angeles to Hobby flights
San Francisco to Ontario flights
San Diego to John F Kennedy Intl flights
San Francisco to Santa Ana flights
Los Angeles to Oakland flights
Santa Ana to Newark flights
Ontario to John F Kennedy Intl flights
San Francisco to O'Hare Intl flights
Oakland to Santa Ana flights
Oakland to Las Vegas flights
Los Angeles to Nashville flights
San Diego to Newark flights
San Francisco to Dulles Intl flights
San Jose to Las Vegas flights
Ontario to Newark flights
Ontario to Honolulu flights
Los Angeles to Sky Harbor Intl flights
San Francisco to Reagan-National flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$300Average$502FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$336Average$495FlexibilityNo cancel feeOn-time71%
DeltaCheapest$336Average$494FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$579FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.