What airlines fly to Ontario?

American Airlines, Breeze Airways and Delta are the top three most popular airlines that fly to Ontario from Connecticut according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Connecticut to Ontario?

Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Connecticut to Ontario

How long does it take to fly to Ontario?

Average flight duration from Connecticut to Ontario depends on which airport you fly into and out of. Flying from Hartford to Los Angeles is 6h on average, while flying from New Haven to Los Angeles is 10h 26m on average. Los Angeles is the most popular airport in Ontario.

When did momondo last update prices for flights from Connecticut to Ontario Airport?

Prices for flights from Connecticut to Ontario Airport refresh daily.

How many operators does momondo search for flights from Connecticut to Ontario Airport?

There are 7 operators available for flights from Connecticut to Ontario Airport as of February 2026.

How old do you have to be to fly from Connecticut to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$93 Cheap Flights from Connecticut to Ontario in 2026

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Find the cheapest flights from Connecticut to Los Angeles

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:55 pm - 11:55 pm

LGA

ONT

28h 00m

2 stops

8:15 am - 10:00 pm

ONT

LGA

10h 45m

1 stop

$232Frontier

Fri, Apr 24 - Tue, Apr 28

7:30 am - 8:04 pm

JFK

ONT

15h 34m

1 stop

7:29 pm - 6:30 am

ONT

JFK

8h 01m

1 stop

$232Frontier

Thu, May 7 - Tue, May 12

7:30 am - 1:40 pm

JFK

ONT

9h 10m

1 stop

11:25 pm - 7:50 am

ONT

JFK

5h 25mnonstop

$239Multiple Airlines

Tue, May 12 - Mon, Jun 8

7:30 am - 1:40 pm

JFK

ONT

9h 10m

1 stop

11:25 pm - 7:50 am

ONT

JFK

5h 25mnonstop

$244Multiple Airlines

Wed, May 6 - Sat, May 16

4:30 pm - 9:45 pm

LGA

ONT

8h 15m

1 stop

5:15 am - 4:25 pm

ONT

LGA

8h 10m

1 stop

$251Southwest

Tue, Mar 3 - Wed, Mar 4

4:30 pm - 10:49 pm

JFK

ONT

9h 19m

1 stop

11:58 pm - 11:31 am

ONT

JFK

8h 33m

1 stop

$251American Airlines

Tue, Mar 3 - Wed, Mar 4

1:25 pm - 6:42 pm

LGA

ONT

8h 17m

1 stop

10:56 am - 8:59 pm

ONT

LGA

7h 03m

1 stop

$254American Airlines

Mon, Feb 23 - Tue, Mar 3

7:15 am - 5:41 pm

LGA

ONT

13h 26m

2 stops

1:45 pm - 11:30 pm

ONT

LGA

6h 45m

1 stop

$256United Airlines

Tue, Mar 3 - Wed, Mar 4

3:36 pm - 10:00 pm

LGA

ONT

9h 24m

1 stop

11:59 pm - 2:18 pm

ONT

LGA

11h 19m

2 stops

$259United Airlines

Tue, Mar 3 - Fri, Mar 6

4:30 pm - 9:45 pm

LGA

ONT

8h 15m

1 stop

1:10 pm - 11:25 pm

ONT

LGA

7h 15m

1 stop

$264Southwest

Tue, Mar 3 - Mon, Mar 16

Southwest flights from Connecticut to Ontario

Our best Southwest deals on Connecticut to Ontario flight tickets

Southwest

Mar 12

LGA4:55 pmNew York LaGuardia

8h 50m

1 stop

ONT10:45 pmOntario

Mar 17

ONT1:40 pmOntario

6h 45m

1 stop

LGA11:25 pmNew York LaGuardia

$254

Southwest

Mar 31

LGA6:05 amNew York LaGuardia

10h 55m

1 stop

ONT2:00 pmOntario

Apr 3

ONT5:00 amOntario

9h 45m

1 stop

LGA5:45 pmNew York LaGuardia

$265

Southwest

Feb 26

LGA10:40 amNew York LaGuardia

13h 25m

1 stop

ONT9:05 pmOntario

Mar 4

ONT10:40 amOntario

9h 25m

2 stops

LGA11:05 pmNew York LaGuardia

$268

Frontier flights from Connecticut to Ontario

Our best Frontier deals on Connecticut to Ontario flight tickets

Frontier

Apr 24

LGA10:55 pmNew York LaGuardia

28h 00m

2 stops

ONT11:55 pmOntario

Apr 28

ONT8:15 amOntario

10h 45m

1 stop

LGA10:00 pmNew York LaGuardia

$232

Frontier

Apr 14

LGA10:55 pmNew York LaGuardia

24h 44m

1 stop

ONT8:39 pmOntario

Apr 21

ONT8:15 amOntario

10h 45m

1 stop

LGA10:00 pmNew York LaGuardia

$233

Frontier

Apr 14

LGA10:55 pmNew York LaGuardia

22h 39m

2 stops

ONT6:34 pmOntario

Apr 21

ONT8:15 amOntario

10h 45m

1 stop

LGA10:00 pmNew York LaGuardia

$234

Fly from

Fly to

Route

Depart

Return

Price

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 4/24

10:55 pm-11:55 pm

2 stops28h 00m

Ontario

Tue 4/28

8:15 am-10:00 pm

1 stop10h 45m

$232

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 5/7

7:30 am-8:04 pm

1 stop15h 34m

Ontario

Tue 5/12

7:29 pm-6:30 am

1 stop8h 01m

$232

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 5/12

7:30 am-1:40 pm

1 stop9h 10m

Ontario

Mon 6/8

11:25 pm-7:50 am

Nonstop5h 25m

$239

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 5/6

7:30 am-1:40 pm

1 stop9h 10m

Ontario

Sat 5/16

11:25 pm-7:50 am

Nonstop5h 25m

$244

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

4:30 pm-9:45 pm

1 stop8h 15m

Ontario

Wed 3/4

5:15 am-4:25 pm

1 stop8h 10m

$251

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 3/3

4:30 pm-10:49 pm

1 stop9h 19m

Ontario

Wed 3/4

11:58 pm-11:31 am

1 stop8h 33m

$251

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Mon 2/23

1:25 pm-6:42 pm

1 stop8h 17m

Ontario

Tue 3/3

10:56 am-8:59 pm

1 stop7h 03m

$254

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

7:15 am-5:41 pm

2 stops13h 26m

Ontario

Wed 3/4

1:45 pm-11:30 pm

1 stop6h 45m

$256

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

3:36 pm-10:00 pm

1 stop9h 24m

Ontario

Fri 3/6

11:59 pm-2:18 pm

2 stops11h 19m

$259

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

4:30 pm-9:45 pm

1 stop8h 15m

Ontario

Mon 3/16

1:10 pm-11:25 pm

1 stop7h 15m

$264

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How to get the cheapest flight ticket from Connecticut to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Connecticut to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $321. If you aren’t able to travel during the month of September, then book flights to Ontario from Connecticut during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $387.

Can stopping save me money on Connecticut to Ontario flights?

You could potentially save up to 13% on your flight if you consider stops on a Connecticut to Ontario flight.

Cheap Connecticut to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Connecticut to Ontario

Fastest flight time	6h 10m
Direct flights	Every day
Airports in Ontario	1 airport

The fastest flight from Connecticut to Ontario takes 6h 10m

Direct flights go from Connecticut to Ontario every day.

There is 1 airport in Ontario. From Connecticut there are direct flights to Ontario (ONT).

Search flight deals

When did momondo last update prices for flights from Connecticut to Ontario Airport?
Prices for flights from Connecticut to Ontario Airport refresh daily.
How many operators does momondo search for flights from Connecticut to Ontario Airport?
There are 7 operators available for flights from Connecticut to Ontario Airport as of February 2026.
How old do you have to be to fly from Connecticut to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Connecticut to Ontario

Compare and see reviews for airlines that fly from Connecticut to Ontario with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $298	Free Cancellation	Rating 7.2 11,249 reviews	Search American Airlines flights
Delta	PriceFrom $316	Free Cancellation	Rating 7.9 8,172 reviews	Search Delta flights
Southwest	PriceFrom $321	Free Cancellation	Rating 8.0 4,280 reviews	Search Southwest flights
United Airlines	PriceFrom $382	Free Cancellation	Rating 7.4 9,254 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Connecticut to Ontario?

Finding the right flight to Ontario from Connecticut is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Connecticut to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Connecticut with this policy.

How can momondo help me find flights from Connecticut to Ontario?

momondo helps you find the best flight between Connecticut and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Connecticut to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Connecticut and alert you when they change.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Connecticut to Los Angeles from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to Los Angeles departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best Frontier deals on Connecticut to Ontario flight tickets

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How to get the cheapest flight ticket from Connecticut to Ontario

What is the cheapest month to fly to Ontario?

Can stopping save me money on Connecticut to Ontario flights?

You could potentially save up to 13% on your flight if you consider stops on a Connecticut to Ontario flight.

What is the cheapest airline that flies from Connecticut to Ontario?

Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Connecticut to Ontario

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Average flight duration from Connecticut to Ontario depends on which airport you fly into and out of. Flying from Hartford to Los Angeles is 6h on average, while flying from New Haven to Los Angeles is 10h 26m on average. Los Angeles is the most popular airport in Ontario.

Cheap Connecticut to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Connecticut to Ontario

Fastest flight time

Direct flights

Airports in Ontario

When did momondo last update prices for flights from Connecticut to Ontario Airport?

How many operators does momondo search for flights from Connecticut to Ontario Airport?

How old do you have to be to fly from Connecticut to Ontario Airport?

What documentation or ID do you need to fly to Ontario Airport?

Best airlines flying from Connecticut to Ontario

Compare and see reviews for airlines that fly from Connecticut to Ontario with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Connecticut to Ontario?

Can I find flights from Connecticut to Ontario with flexible booking policies on momondo?

How can momondo help me find flights from Connecticut to Ontario?

I’m not ready to book a flight from Connecticut to Ontario right now. Can momondo alert me if prices change?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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