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Connecticut

$95+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:44 am
ONT
-
JFK
1 stop15h 46m
Frontier
Mon 4/277:30 am
JFK
-
ONT
1 stop15h 34m
Frontier
Deal found 1/27$191
This Southwest deal was found by Cheapflights users on 1/26. 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.
Tue 2/245:15 am
ONT
-
LGA
1 stop8h 10m
Southwest
Tue 3/34:30 pm
LGA
-
ONT
1 stop8h 15m
Southwest
Deal found 1/26$193
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:58 pm
ONT
-
LGA
1 stop7h 32m
American Airlines
Tue 3/31:25 pm
LGA
-
ONT
1 stop8h 17m
American Airlines
Deal found 1/28$194
This Frontier deal was found by Cheapflights users on 1/27. 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.
Wed 4/152:44 pm
ONT
-
JFK
1 stop12h 46m
Frontier
Wed 5/67:30 am
JFK
-
ONT
1 stop9h 10m
Frontier
Deal found 1/27$201
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:20 am
ONT
-
LGA
1 stop11h 39m
Frontier
Tue 4/710:00 pm
LGA
-
ONT
1 stop28h 56m
Frontier
Deal found 1/27$209
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:30 am
ONT
-
EWR
2 stops31h 24m
Multiple Airlines
Fri 2/274:05 pm
EWR
-
ONT
1 stop18h 21m
Multiple Airlines
Deal found 1/28$209
This Frontier deal was found by Cheapflights users on 1/28. 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.
Wed 4/157:29 pm
ONT
-
JFK
1 stop8h 01m
Frontier
Wed 4/227:30 am
JFK
-
ONT
1 stop9h 10m
Frontier
Deal found 1/28$210
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:43 pm
ONT
-
LGA
2 stops16h 17m
Multiple Airlines
Sat 2/288:59 pm
LGA
-
ONT
1 stop20h 30m
Multiple Airlines
Deal found 1/27$211
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:44 am
ONT
-
JFK
1 stop15h 46m
Frontier
Mon 4/207:30 am
JFK
-
ONT
1 stop15h 34m
Frontier
Deal found 1/27$212
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:40 am
ONT
-
LGA
2 stops11h 26m
Frontier
Tue 3/1010:00 pm
LGA
-
ONT
1 stop21h 15m
Frontier
Deal found 1/28$213
This Frontier deal was found by Cheapflights users on 1/27. 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.
Sat 4/187:18 pm
ONT
-
JFK
1 stop8h 12m
Frontier
Wed 4/297:30 am
JFK
-
ONT
1 stop14h 04m
Frontier
Deal found 1/27$215
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:40 am
ONT
-
EWR
2 stops19h 13m
Multiple Airlines
Tue 3/104:05 pm
EWR
-
ONT
1 stop27h 10m
Multiple Airlines
Deal found 1/27$216

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 January 29, 2026.

Round-trip from

$191
(CheapOair)

One-way from

$95
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$357
From Ontario to Connecticut
Search Deals
One-way flight from Ontario to Connecticut
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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 - LGA

ONTLGA

Ontario

Tue 2/24

5:15 am-4:25 pm

1 stop8h 10m

New York LaGuardia

Tue 3/3

8:30 am-6:40 pm

2 stops13h 10m

$198

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 4/21

11:55 pm-12:35 pm

1 stop9h 40m

New York LaGuardia

Tue 4/28

3:05 pm-10:10 pm

2 stops10h 05m

$198

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 2/18

10:20 pm-8:48 am

1 stop7h 28m

New York LaGuardia

Thu 2/26

2:59 pm-9:05 pm

1 stop9h 06m

$257

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 3/2

10:20 pm-10:48 am

1 stop9h 28m

New York LaGuardia

Fri 3/6

4:00 pm-9:05 pm

1 stop8h 05m

$257

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sat 2/14

6:00 am-5:12 pm

1 stop8h 12m

New York LaGuardia

Sat 2/28

6:35 am-12:07 pm

1 stop8h 32m

$257

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 2/17

5:00 pm-6:25 am

1 stop10h 25m

New York John F Kennedy Intl

Wed 2/18

4:05 pm-11:49 pm

1 stop10h 44m

$257

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 3/6

6:00 am-7:59 pm

2 stops10h 59m

New York LaGuardia

Mon 3/9

1:00 pm-9:00 pm

1 stop11h 00m

$262

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 2/17

10:20 pm-9:47 am

1 stop8h 27m

New York LaGuardia

Fri 2/20

1:59 pm-11:49 pm

2 stops12h 50m

$262

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 2/9

10:30 pm-8:48 am

1 stop7h 18m

New York LaGuardia

Fri 2/27

1:59 pm-11:49 pm

2 stops12h 50m

$262

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 5/27

10:59 pm-12:43 pm

2 stops10h 44m

New York LaGuardia

Wed 6/3

10:00 am-6:15 pm

1 stop11h 15m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 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, August is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $155). Flying from Ontario to Connecticut in January is currently the most expensive (average of $250). 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.

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 January 29, 2026.
See what other customers who have flown with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,128 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from Ontario to Connecticut?

    Airlines like Southwest, Delta, and Alaska Airlines fly from Ontario to Connecticut in about 7h 28m. The time it takes to get you to your destination can typically vary by up to 4h 35m. The distance from Ontario to Connecticut is about 2417 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $105. Southwest flights start at $136 while deals on United Airlines start at $150 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, August is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $155). Flying from Ontario to Connecticut in January is currently the most expensive (average of $250). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$361FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$300Average$438FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$324Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$342Average$458FlexibilityNo cancel feeOn-time69%

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