What airlines fly to Ontario?

American Airlines, Delta and Breeze Airways 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 39% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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 7h 58m on average, while flying from New Haven to Los Angeles is 10h 04m on average. Los Angeles is the most popular airport in Ontario.

How many flights depart from Connecticut to Ontario on average per week?

As of August 2025, there are 19 flights per week flying from Connecticut to Ontario. The most common day of the week flights depart is Wed, with 21% of flights taking off on this day.

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

Southwest, American Airlines, and Frontier are the most popular carriers operating from Connecticut to 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 August 2025.

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.

$89 Cheap Flights from Connecticut to Ontario in 2025

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Find the cheapest flights from Connecticut to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:59 pm - 9:11 pmLGA-ONT

9h 12m1 stop

10:35 pm - 11:29 amONT-LGA

9h 54m1 stop

$179American Airlines

Find Deal

jue., sep. 11 - lun., sep. 15

12:59 pm - 5:50 pmJFK-ONT

7h 51m1 stop

10:20 am - 8:35 pmONT-JFK

7h 15m1 stop

$197American Airlines

Find Deal

sáb., ago. 30 - sáb., sep. 6

6:59 am - 11:47 amJFK-ONT

7h 48m1 stop

12:47 pm - 5:54 amONT-JFK

14h 07m1 stop

$208Frontier

Find Deal

mar., nov. 4 - mar., nov. 11

6:59 am - 12:37 pmJFK-ONT

8h 38m1 stop

12:47 pm - 5:54 amONT-JFK

14h 07m1 stop

$209Frontier

Find Deal

sáb., nov. 8 - mar., nov. 11

5:55 pm - 12:05 amLGA-ONT

9h 10m1 stop

9:15 pm - 9:00 amONT-LGA

8h 45m2 stops

$211Southwest

Find Deal

jue., nov. 6 - lun., nov. 10

6:50 pm - 9:59 pmJFK-ONT

6h 09mnonstop

10:56 pm - 7:18 amONT-JFK

5h 22mnonstop

$219JetBlue

Find Deal

sáb., ago. 30 - sáb., sep. 6

6:50 pm - 9:59 pmJFK-ONT

6h 09mnonstop

10:56 pm - 7:18 amONT-JFK

5h 22mnonstop

$220JetBlue

Find Deal

sáb., ago. 30 - sáb., sep. 6

6:30 am - 12:40 pmLGA-ONT

9h 10m2 stops

7:00 am - 10:30 pmONT-LGA

12h 30m1 stop

$224Southwest

Find Deal

vie., sep. 5 - lun., sep. 8

3:25 pm - 8:43 pmLGA-ONT

8h 18m1 stop

6:04 am - 7:14 pmONT-LGA

10h 10m1 stop

$245United Airlines

Find Deal

mié., ago. 20 - dom., ago. 31

6:15 am - 12:51 pmEWR-ONT

9h 36m1 stop

6:36 pm - 5:24 amONT-EWR

7h 48m1 stop

$248United Airlines

Find Deal

mié., oct. 1 - mié., oct. 1

American Airlines flights from Connecticut to Ontario

Our best American Airlines deals on Connecticut to Ontario flight tickets

American Airlines

Sep 11

LGA2:59 pmNew York LaGuardia

9h 12m

1 stop

ONT9:11 pmOntario

Sep 15

ONT10:35 pmOntario

9h 54m

1 stop

LGA11:29 amNew York LaGuardia

$179

Find similar

American Airlines

Aug 30

JFK12:59 pmNew York John F Kennedy Intl

7h 51m

1 stop

ONT5:50 pmOntario

Sep 6

ONT10:20 amOntario

7h 15m

1 stop

JFK8:35 pmNew York John F Kennedy Intl

$197

Find similar

American Airlines

Aug 30

JFK12:59 pmNew York John F Kennedy Intl

7h 51m

1 stop

ONT5:50 pmOntario

Sep 6

ONT10:35 pmOntario

9h 06m

1 stop

JFK10:41 amNew York John F Kennedy Intl

$198

Find similar

Delta flights from Connecticut to Ontario

Our best Delta deals on Connecticut to Ontario flight tickets

Delta

Jan 13

LGA4:00 pmNew York LaGuardia

8h 14m

1 stop

ONT9:14 pmOntario

Jan 27

ONT10:30 pmOntario

8h 15m

1 stop

LGA9:45 amNew York LaGuardia

$277

Find similar

Delta

Nov 1

EWR4:51 pmNewark

7h 29m

1 stop

ONT9:20 pmOntario

Nov 10

ONT5:05 pmOntario

10h 05m

1 stop

EWR6:10 amNewark

$281

Find similar

Delta

Sep 5

EWR1:16 pmNewark

8h 55m

1 stop

ONT7:11 pmOntario

Sep 12

ONT11:55 amOntario

10h 01m

1 stop

EWR12:56 amNewark

$285

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

jue. 9/11

2:59 pm-9:11 pm

1 stop9h 12m

Ontario

lun. 9/15

10:35 pm-11:29 am

1 stop9h 54m

$179

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

sáb. 8/30

12:59 pm-5:50 pm

1 stop7h 51m

Ontario

sáb. 9/6

10:20 am-8:35 pm

1 stop7h 15m

$197

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

mar. 11/4

6:59 am-11:47 am

1 stop7h 48m

Ontario

mar. 11/11

12:47 pm-5:54 am

1 stop14h 07m

$208

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

sáb. 11/8

6:59 am-12:37 pm

1 stop8h 38m

Ontario

mar. 11/11

12:47 pm-5:54 am

1 stop14h 07m

$209

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

jue. 11/6

5:55 pm-12:05 am

1 stop9h 10m

Ontario

lun. 11/10

9:15 pm-9:00 am

2 stops8h 45m

$211

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

sáb. 8/30

6:50 pm-9:59 pm

Nonstop6h 09m

Ontario

sáb. 9/6

10:56 pm-7:18 am

Nonstop5h 22m

$219

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

sáb. 8/30

6:50 pm-9:59 pm

Nonstop6h 09m

Ontario

sáb. 9/6

10:56 pm-7:18 am

Nonstop5h 22m

$220

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

vie. 9/5

6:30 am-12:40 pm

2 stops9h 10m

Ontario

lun. 9/8

7:00 am-10:30 pm

1 stop12h 30m

$224

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

mié. 8/20

3:25 pm-8:43 pm

1 stop8h 18m

Ontario

dom. 8/31

6:04 am-7:14 pm

1 stop10h 10m

$245

NewarkOntario

EWR - ONT

EWRONT

Newark

mié. 10/1

6:15 am-12:51 pm

1 stop9h 36m

Ontario

mié. 10/1

6:36 pm-5:24 am

1 stop7h 48m

$248

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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 3% 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

Best Price Found	$89
Fastest flight time	5h 54m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Connecticut in the past 72 hours is $89. The best round-trip flight deal from Connecticut to Ontario found on momondo in the last 72 hours is $179.

The fastest flight from Connecticut to Ontario takes 5h 54m

Direct flights go from Connecticut to Ontario every day.

There is 1 airport near Ontario: 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 August 2025.
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 $306	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $306	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
Southwest	PriceFrom $321	Free Cancellation	Rating 8.0 4,247 reviews	Search Southwest flights
United Airlines	PriceFrom $380	Free Cancellation	Rating 7.4 8,917 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 $89

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 9/9. 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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American Airlines flights from Connecticut to Ontario

Our best American Airlines deals on Connecticut to Ontario flight tickets

Delta flights from Connecticut to Ontario

Our best Delta deals on Connecticut to Ontario flight tickets

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Use the filters below to find and compare flights from Connecticut to Ontario that are best for you.

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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

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 3% on your flight if you consider stops on a Connecticut to Ontario flight.

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

Southwest, American Airlines, and Frontier are the most popular carriers operating from Connecticut to Ontario

What airlines fly to Ontario?

How many flights depart from Connecticut to Ontario on average per week?

As of August 2025, there are 19 flights per week flying from Connecticut to Ontario. The most common day of the week flights depart is Wed, with 21% of flights taking off on this day.

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 7h 58m on average, while flying from New Haven to Los Angeles is 10h 04m 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

Best Price Found

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