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$134+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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 July 23, 2026.

This Gotogate deal was found by Cheapflights users on 7/23. 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 8/259:37 am
ONT
-
LGA
1 stop9h 23m
Frontier
Sat 8/2910:55 pm
LGA
-
ONT
1 stop12h 43m
Frontier
Deal found 7/23$295
This Booking.com deal was found by Cheapflights users on 7/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:37 am
ONT
-
LGA
1 stop9h 23m
Frontier
Wed 8/2610:55 pm
LGA
-
ONT
1 stop12h 43m
Frontier
Deal found 7/23$296
This Southwest deal was found by Cheapflights users on 7/23. 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 8/255:45 am
ONT
-
LGA
2 stops8h 10m
Southwest
Fri 8/286:30 am
LGA
-
ONT
2 stops9h 55m
Southwest
Deal found 7/23$297
This Southwest deal was found by Cheapflights users on 7/23. 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 8/257:25 am
ONT
-
LGA
1 stop12h 35m
Southwest
Thu 8/277:25 am
LGA
-
ONT
1 stop11h 05m
Southwest
Deal found 7/23$298
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sun 8/238:01 pm
ONT
-
JFK
2 stops11h 29m
American Airlines
Wed 8/2610:00 am
JFK
-
ONT
2 stops11h 15m
American Airlines
Deal found 7/23$298
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/87:56 pm
ONT
-
LGA
2 stops20h 48m
Frontier
Tue 9/1510:55 pm
LGA
-
ONT
1 stop22h 21m
Frontier
Deal found 7/23$301
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:30 am
ONT
-
LGA
2 stops8h 35m
Southwest
Fri 10/3010:30 am
LGA
-
ONT
2 stops13h 50m
Southwest
Deal found 7/22$303
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Mon 8/317:13 pm
ONT
-
LGA
2 stops11h 00m
United Airlines
Fri 9/45:25 pm
LGA
-
ONT
1 stop8h 10m
United Airlines
Deal found 7/21$304
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Mon 8/105:45 am
ONT
-
LGA
1 stop7h 59m
United Airlines
Mon 8/243:29 pm
LGA
-
ONT
1 stop10h 06m
United Airlines
Deal found 7/21$306
This Trip.com deal was found by Cheapflights users on 7/23. 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.
Tue 8/259:37 am
ONT
-
LGA
1 stop9h 23m
Frontier
Fri 8/2810:55 pm
LGA
-
ONT
1 stop12h 41m
Frontier
Deal found 7/23$307
This Trip.com deal was found by Cheapflights users on 7/23. 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.
Sat 8/158:17 am
ONT
-
LGA
1 stop10h 43m
Frontier
Tue 9/810:55 pm
LGA
-
ONT
1 stop11h 17m
Frontier
Deal found 7/23$308
This Trip.com deal was found by Cheapflights users on 7/20. 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.
Wed 8/128:17 am
ONT
-
LGA
1 stop10h 43m
Frontier
Wed 8/1910:55 pm
LGA
-
ONT
1 stop12h 43m
Frontier
Deal found 7/20$309

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 July 23, 2026.

Round-trip from

$295
(Gotogate)

One-way from

$134
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$477
From Ontario to Connecticut
Search Deals
One-way flight from Ontario to Connecticut
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 23, 2026.
Use the filters below to find and compare flights from Ontario to Connecticut that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 8/10

10:00 pm-10:41 am

1 stop9h 41m

New York LaGuardia

Tue 8/18

12:59 pm-7:53 pm

1 stop9h 54m

$321

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Fri 9/11

8:40 pm-10:30 am

2 stops10h 50m

Hartford Bradley Intl

Wed 9/16

5:45 pm-10:05 pm

1 stop7h 20m

$343

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 8/24

11:59 pm-8:20 am

Nonstop5h 21m

New York John F Kennedy Intl

Wed 8/26

7:29 pm-10:37 pm

Nonstop6h 08m

$347

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 9/17

6:14 pm-6:01 am

1 stop8h 47m

New York John F Kennedy Intl

Thu 11/12

7:00 am-3:15 pm

1 stop11h 15m

$347

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 8/27

8:10 am-10:55 pm

1 stop11h 45m

New York LaGuardia

Mon 8/31

2:35 pm-9:45 pm

2 stops10h 10m

$348
Quickest round-trip

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 9/12

10:39 pm-7:00 am

Nonstop5h 21m

New York John F Kennedy Intl

Sat 9/19

5:59 pm-8:57 pm

Nonstop5h 58m

$358

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Mon 8/24

7:13 pm-9:37 am

2 stops11h 24m

Hartford Bradley Intl

Sat 8/29

4:50 pm-10:35 pm

1 stop8h 45m

$364

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 9/24

6:14 pm-6:01 am

1 stop8h 47m

New York John F Kennedy Intl

Wed 9/30

7:25 am-2:16 pm

1 stop9h 51m

$367

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Tue 10/6

8:25 am-9:10 pm

2 stops9h 45m

Hartford Bradley Intl

Wed 10/14

1:25 pm-8:45 pm

2 stops10h 20m

$369

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sun 8/30

10:00 pm-10:05 am

1 stop9h 05m

New York John F Kennedy Intl

Tue 9/1

6:00 am-12:16 pm

1 stop9h 16m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $426). Flying from Ontario to Connecticut in April is currently the most expensive (average of $781). 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.

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

Airfare is below average for this route at the moment.
Ontario to Connecticut flights typically cost between $455 and $657 in September.
The cheapest round-trip price found within the last 5 days was $333 on Southwest (Sep 12-Sep 16).

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 July 23, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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
4,238 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Delta
7.8
Good
8,479 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
United Airlines
7.4
Good
10,024 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,832 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 Delta, Southwest, and JetBlue fly from Ontario to Connecticut in about 5h 21m. The time it takes to get you to your destination can typically vary by up to 5h 29m. The distance from Ontario to Connecticut is about 2422 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 - 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, October is the cheapest month in which you can book a flight from Ontario to Connecticut (average of $426). Flying from Ontario to Connecticut in April is currently the most expensive (average of $781). 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$484FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$321Average$497FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$338Average$444FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$379Average$548FlexibilityNo cancel feeOn-time69%

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