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Ontario

$118+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — ONT
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Connecticut to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Connecticut (USCT) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$233
(American Airlines)

One-way from

$118
(Trip.com)
From Connecticut to Ontario
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One-way flight from Connecticut to Ontario
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Find 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 18, 2024.

This CheapOair deal was found by Cheapflights users on 12/17. 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.
Mon 12/3010:59 pmLGA - ONT
1 stop28h 00mFrontier
Thu 1/239:02 amONT - LGA
1 stop9h 00mFrontier
Deal found 12/17$338
This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:59 amJFK - ONT
1 stop10h 15mFrontier
Tue 12/2412:53 pmONT - JFK
1 stop14h 37mFrontier
Deal found 12/17$418
This Delta deal was found by Cheapflights users on 12/17. 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 12/187:05 amEWR - ONT
1 stop8h 20mDelta
Tue 12/245:30 amONT - EWR
1 stop9h 11mDelta
Deal found 12/17$506
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/262:55 pmLGA - ONT
2 stops11h 05mUnited Airlines
Mon 1/66:10 amONT - LGA
1 stop7h 12mUnited Airlines
Deal found 12/17$517
This Delta deal was found by Cheapflights users on 12/16. 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 12/174:39 pmJFK - ONT
1 stop10h 35mDelta
Sun 12/2211:56 amONT - JFK
1 stop8h 53mDelta
Deal found 12/16$520
This Southwest deal was found by Cheapflights users on 12/16. 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 12/177:30 amLGA - ONT
1 stop11h 25mSouthwest
Fri 12/205:20 amONT - LGA
1 stop9h 50mSouthwest
Deal found 12/16$540
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/174:30 pmEWR - ONT
1 stop10h 28mUnited Airlines
Wed 1/156:00 amONT - EWR
1 stop9h 10mUnited Airlines
Deal found 12/17$591
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/314:30 pmEWR - ONT
1 stop20h 26mAmerican Airlines
Mon 1/610:02 amONT - EWR
1 stop8h 37mAmerican Airlines
Deal found 12/17$595
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/317:45 amJFK - ONT
2 stops13h 40mAmerican Airlines
Mon 1/610:02 amONT - JFK
1 stop9h 57mAmerican Airlines
Deal found 12/17$596
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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 12/3111:30 amJFK - ONT
1 stop11h 07mAlaska Airlines
Tue 1/75:44 pmONT - JFK
1 stop18h 16mAlaska Airlines
Deal found 12/18$629
This Delta deal was found by Cheapflights users on 12/16. 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 12/174:00 pmLGA - ONT
1 stop10h 02mDelta
Sun 12/2211:56 amONT - LGA
1 stop8h 45mDelta
Deal found 12/16$649
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/317:30 amBDL - ONT
1 stop8h 10mUnited Airlines
Mon 1/271:45 pmONT - BDL
1 stop7h 05mUnited Airlines
Deal found 12/17$667

Find flights from Connecticut to Ontario within your budget

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 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 1/15

6:25 am-11:58 am

1 stop8h 33m

Ontario

Wed 1/29

6:10 am-9:29 pm

2 stops12h 19m

$233

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 1/9

5:00 pm-11:58 pm

1 stop9h 58m

Ontario

Thu 1/16

7:30 pm-7:25 am

2 stops8h 55m

$233

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 1/16

7:59 am-1:47 pm

1 stop8h 48m

Ontario

Sat 1/25

7:59 pm-6:30 am

1 stop7h 31m

$235

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 1/15

10:00 pm-8:02 am

1 stop13h 02m

Ontario

Wed 1/22

6:00 am-4:26 pm

1 stop7h 26m

$240

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 1/8

3:14 pm-8:51 pm

1 stop8h 37m

Ontario

Thu 1/23

5:10 am-7:12 pm

2 stops11h 02m

$252

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 1/30

4:58 pm-7:11 am

1 stop17h 13m

Ontario

Sun 2/2

8:59 pm-4:03 pm

1 stop16h 04m

$253

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 1/9

9:30 am-10:13 pm

2 stops15h 43m

Ontario

Thu 1/16

6:50 pm-6:30 am

1 stop8h 40m

$255

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 1/15

6:20 am-11:58 am

1 stop8h 38m

Ontario

Wed 1/22

12:48 pm-11:01 pm

1 stop7h 13m

$266

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 1/7

6:50 am-12:26 pm

1 stop8h 36m

Ontario

Mon 1/13

1:21 pm-12:13 am

1 stop7h 52m

$276

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 1/23

5:30 pm-10:38 am

1 stop20h 08m

Ontario

Wed 1/29

6:00 am-2:29 pm

1 stop29h 29m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 52 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.

Travel insights for flights from Connecticut to Ontario

Get recent, data-driven insights about flights from Connecticut to Ontario including ideal travel times, pricing trends, and more.

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 $236). Flying from Connecticut to Ontario in December is currently the most expensive (average of $298). 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 18, 2024.

When flying from Connecticut to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 18, 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, Frontier and Delta from Connecticut to Ontario to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,552 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,279 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,059 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $118. However, be on the lookout for offers from Alaska Airlines and American 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?

    Most travelers choose Newark - Ontario, New York John F Kennedy Intl - Ontario or New York LaGuardia - Ontario when deciding on the best route 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 $236). Flying from Connecticut to Ontario in December is currently the most expensive (average of $298). 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.
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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 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$335Average$567FlexibilityNo cancel feeOn-time71%
DeltaCheapest$336Average$547FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$343Average$446FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$431Average$661FlexibilityNo cancel feeOn-time69%
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