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 37% 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, Hawaiian Airlines, and United Airlines 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 8h 15m on average, while flying from New Haven to Los Angeles is 11h 46m 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 September 2025, there are 13 flights per week flying from Connecticut to Ontario. The most common day of the week flights depart is Tue, with 15% of flights taking off on this day.

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 September 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.

$113 Cheap Flights from Connecticut to Ontario in 2025/26

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Find the cheapest flights from Connecticut to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:00 am - 11:50 pmEWR-ONT

15h 50m2 stops

6:53 am - 12:34 amONT-EWR

14h 41m2 stops

$215Frontier

Find Deal

Sat, Nov 1 - Mon, Nov 3

11:26 am - 7:29 amEWR-ONT

23h 03m2 stops

8:45 am - 12:34 amONT-EWR

12h 49m2 stops

$216Frontier

Find Deal

Thu, Oct 30 - Tue, Nov 4

7:30 am - 3:17 pmEWR-ONT

10h 47m1 stop

4:11 pm - 5:59 amONT-EWR

10h 48m1 stop

$233Alaska Airlines

Find Deal

Wed, Nov 12 - Fri, Nov 14

7:30 am - 3:17 pmEWR-ONT

10h 47m1 stop

6:00 am - 6:29 pmONT-EWR

9h 29m1 stop

$235Alaska Airlines

Find Deal

Thu, Nov 13 - Sat, Nov 15

6:35 pm - 9:29 pmJFK-ONT

5h 54mnonstop

10:56 pm - 7:18 amONT-JFK

5h 22mnonstop

$247JetBlue

Find Deal

Thu, Oct 16 - Wed, Oct 22

6:15 am - 12:51 pmEWR-ONT

9h 36m1 stop

6:36 pm - 5:24 amONT-EWR

7h 48m1 stop

$247United Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

6:00 am - 2:02 pmEWR-ONT

11h 02m1 stop

12:55 pm - 11:12 pmONT-EWR

7h 17m1 stop

$249American Airlines

Find Deal

Sat, Nov 8 - Tue, Nov 18

6:35 pm - 9:29 pmJFK-ONT

5h 54mnonstop

10:56 pm - 7:18 amONT-JFK

5h 22mnonstop

$252JetBlue

Find Deal

Wed, Oct 15 - Mon, Oct 20

7:00 am - 12:13 pmEWR-ONT

8h 13m1 stop

7:02 am - 6:02 pmONT-EWR

8h 00m1 stop

$254United Airlines

Find Deal

Thu, Oct 23 - Sat, Oct 25

6:30 am - 12:03 pmJFK-ONT

8h 33m1 stop

10:28 am - 10:59 pmONT-JFK

9h 31m1 stop

$262American Airlines

Find Deal

Tue, Nov 18 - Tue, Jan 13

Frontier flights from Connecticut to Ontario

Our best Frontier deals on Connecticut to Ontario flight tickets

Frontier

Nov 1

EWR11:00 amNewark

15h 50m

2 stops

ONT11:50 pmOntario

Nov 3

ONT6:53 amOntario

14h 41m

2 stops

EWR12:34 amNewark

$215

Find similar

Frontier

Oct 30

EWR11:26 amNewark

23h 03m

2 stops

ONT7:29 amOntario

Nov 4

ONT8:45 amOntario

12h 49m

2 stops

EWR12:34 amNewark

$216

Find similar

Frontier

Oct 30

EWR11:26 amNewark

23h 03m

2 stops

ONT7:29 amOntario

Nov 13

ONT7:22 amOntario

14h 12m

2 stops

EWR12:34 amNewark

$217

Find similar

Alaska Airlines flights from Connecticut to Ontario

Our best Alaska Airlines deals on Connecticut to Ontario flight tickets

Alaska Airlines

Nov 12

EWR7:30 amNewark

10h 47m

1 stop

ONT3:17 pmOntario

Nov 14

ONT4:11 pmOntario

10h 48m

1 stop

EWR5:59 amNewark

$233

Find similar

Alaska Airlines

Nov 13

EWR7:30 amNewark

10h 47m

1 stop

ONT3:17 pmOntario

Nov 15

ONT6:00 amOntario

9h 29m

1 stop

EWR6:29 pmNewark

$235

Find similar

Alaska Airlines

Nov 5

EWR7:30 amNewark

10h 47m

1 stop

ONT3:17 pmOntario

Nov 12

ONT6:00 amOntario

9h 29m

1 stop

EWR6:29 pmNewark

$246

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 11/1

11:00 am-11:50 pm

2 stops15h 50m

Ontario

Mon 11/3

6:53 am-12:34 am

2 stops14h 41m

$215

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 10/30

11:26 am-7:29 am

2 stops23h 03m

Ontario

Tue 11/4

8:45 am-12:34 am

2 stops12h 49m

$216

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 11/12

7:30 am-3:17 pm

1 stop10h 47m

Ontario

Fri 11/14

4:11 pm-5:59 am

1 stop10h 48m

$233

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 11/13

7:30 am-3:17 pm

1 stop10h 47m

Ontario

Sat 11/15

6:00 am-6:29 pm

1 stop9h 29m

$235

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 10/16

6:35 pm-9:29 pm

Nonstop5h 54m

Ontario

Wed 10/22

10:56 pm-7:18 am

Nonstop5h 22m

$247

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 10/14

6:15 am-12:51 pm

1 stop9h 36m

Ontario

Tue 10/21

6:36 pm-5:24 am

1 stop7h 48m

$247

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 11/8

6:00 am-2:02 pm

1 stop11h 02m

Ontario

Tue 11/18

12:55 pm-11:12 pm

1 stop7h 17m

$249

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 10/15

6:35 pm-9:29 pm

Nonstop5h 54m

Ontario

Mon 10/20

10:56 pm-7:18 am

Nonstop5h 22m

$252

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 10/23

7:00 am-12:13 pm

1 stop8h 13m

Ontario

Sat 10/25

7:02 am-6:02 pm

1 stop8h 00m

$254

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 11/18

6:30 am-12:03 pm

1 stop8h 33m

Ontario

Tue 1/13

10:28 am-10:59 pm

1 stop9h 31m

$262

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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 6% 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	5h 54m
Direct flights	Every day
Airports in Ontario	1 airport

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 September 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 7.9 7,971 reviews	Search Delta flights
Southwest	PriceFrom $321	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
United Airlines	PriceFrom $326	Free Cancellation	Rating 7.4 8,922 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 $113

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 11/5. 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 Alaska Airlines deals on Connecticut to Ontario flight tickets

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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 6% 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, Hawaiian Airlines, and United Airlines 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 September 2025, there are 13 flights per week flying from Connecticut to Ontario. The most common day of the week flights depart is Tue, with 15% 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 8h 15m on average, while flying from New Haven to Los Angeles is 11h 46m 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