How long does it take to fly to Ontario?

Average flight duration from New Jersey to Ontario depends on which airport you fly into and out of. Flying from Newark to Los Angeles is 5h 39m on average, while flying from Trenton to Los Angeles is 13h 01m on average. Los Angeles is the most popular airport in Ontario.

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

The number of flights available between New Jersey and Ontario is 20 per week as of August 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

What is the cheapest airline that flies from New Jersey to Ontario?

Delta, Alaska Airlines, and JetBlue are the most popular carriers operating from New Jersey to Ontario

What airlines fly to Ontario?

United Airlines, JetBlue and Alaska Airlines are the top three most popular airlines that fly to Ontario from New Jersey according to our data. United Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from New Jersey to Ontario Airport refresh daily.

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

The number of operators available for flights from New Jersey to Ontario Airport is 6 as of August 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New Jersey to Ontario Airport.

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

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$71 Cheap Flights from New Jersey to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New Jersey to Los Angeles

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5:50 am - 11:50 pmPHL Philadelphia-ONT Ontario

21h 00m1 stop Denver Intl

11:52 am - 1:16 amONT Ontario-PHL Philadelphia

10h 24m1 stop Denver Intl

$157Frontier

Sat, Oct 10 - Tue, Oct 13

5:50 am - 10:29 amPHL Philadelphia-ONT Ontario

7h 39m1 stop Denver Intl

11:52 am - 1:16 amONT Ontario-PHL Philadelphia

10h 24m1 stop Denver Intl

$158Frontier

Thu, Oct 22 - Mon, Oct 26

5:01 pm - 10:59 pmPHL Philadelphia-ONT Ontario

8h 58m1 stop Chicago O'Hare Intl

6:08 am - 7:15 pmONT Ontario-PHL Philadelphia

10h 07m1 stop San Francisco

$241United Airlines

Sat, Sep 12 - Sat, Sep 19

5:25 am - 10:20 amPHL Philadelphia-ONT Ontario

7h 55m1 stop Denver Intl

11:55 pm - 10:40 amONT Ontario-PHL Philadelphia

7h 45m1 stop Chicago Midway

$241Southwest

Sat, Oct 17 - Mon, Oct 19

3:51 pm - 8:48 pmPHL Philadelphia-ONT Ontario

7h 57m1 stop Chicago O'Hare Intl

7:30 pm - 6:14 amONT Ontario-PHL Philadelphia

7h 44m1 stop Phoenix Sky Harbor Intl

$241American Airlines

Thu, Jan 28 - Mon, Feb 1

5:00 am - 9:34 amPHL Philadelphia-ONT Ontario

7h 34m1 stop Dallas/Fort Worth

12:37 pm - 12:22 amONT Ontario-PHL Philadelphia

8h 45m1 stop Dallas/Fort Worth

$241American Airlines

Thu, Sep 3 - Sat, Sep 12

5:10 pm - 10:05 pmPHL Philadelphia-ONT Ontario

7h 55m1 stop Denver Intl

12:40 pm - 1:05 amONT Ontario-PHL Philadelphia

9h 25m1 stop Denver Intl

$242Southwest

Tue, Sep 29 - Thu, Oct 1

11:04 am - 8:01 pmPHL Philadelphia-ONT Ontario

11h 57m2 stops Chicago O'Hare Intl San Francisco

1:18 pm - 11:44 pmONT Ontario-PHL Philadelphia

7h 26m1 stop Denver Intl

$246United Airlines

Sat, Sep 12 - Sat, Sep 19

6:00 am - 4:46 pmPHL Philadelphia-ONT Ontario

13h 46m1 stop Dallas/Fort Worth

3:14 pm - 5:40 amONT Ontario-PHL Philadelphia

11h 26m1 stop Seattle/Tacoma Intl

$246Multiple Airlines

Sat, Sep 12 - Wed, Sep 16

6:00 am - 4:46 pmPHL Philadelphia-ONT Ontario

13h 46m1 stop Dallas/Fort Worth

3:14 pm - 5:40 amONT Ontario-PHL Philadelphia

11h 26m1 stop Seattle/Tacoma Intl

$251Multiple Airlines

Sat, Sep 12 - Tue, Sep 15

Cheap last minute flights

Enter your travel dates to find the best prices.

8:00 am - 3:54 pmPHL Philadelphia-ONT Ontario

10h 54m1 stop Las Vegas Harry Reid Intl

3:40 pm - 6:30 amONT Ontario-PHL Philadelphia

11h 50m1 stop Las Vegas Harry Reid Intl

$259Frontier

Wed, Aug 19 - Tue, Sep 1

8:00 am - 3:54 pmPHL Philadelphia-ONT Ontario

10h 54m1 stop Las Vegas Harry Reid Intl

10:17 pm - 6:30 amONT Ontario-PHL Philadelphia

29h 13m1 stop Las Vegas Harry Reid Intl

$274Frontier

Wed, Aug 19 - Mon, Aug 31

6:00 am - 10:42 amJFK New York John F Kennedy Intl-ONT Ontario

7h 42m1 stop Atlanta Hartsfield-Jackson

5:05 pm - 6:18 amONT Ontario-JFK New York John F Kennedy Intl

10h 13m1 stop Salt Lake City

$378Delta

Wed, Aug 19 - Sat, Aug 29

6:56 am - 11:43 amJFK New York John F Kennedy Intl-ONT Ontario

7h 47m1 stop Dallas/Fort Worth

12:59 pm - 11:58 pmONT Ontario-JFK New York John F Kennedy Intl

7h 59m1 stop Phoenix Sky Harbor Intl

$378American Airlines

Tue, Aug 18 - Fri, Aug 28

1:30 pm - 10:05 pmLGA New York LaGuardia-ONT Ontario

11h 35m1 stop Houston Hobby

5:45 am - 4:55 pmONT Ontario-LGA New York LaGuardia

8h 10m2 stops Las Vegas Harry Reid Intl Omaha Eppley Airfield

$389Southwest

Wed, Aug 19 - Wed, Aug 26

6:56 am - 11:43 amJFK New York John F Kennedy Intl-ONT Ontario

7h 47m1 stop Dallas/Fort Worth

6:00 am - 6:30 pmONT Ontario-JFK New York John F Kennedy Intl

9h 30m1 stop Dallas/Fort Worth

$397American Airlines

Wed, Aug 19 - Sun, Aug 23

6:00 am - 10:42 amLGA New York LaGuardia-ONT Ontario

7h 42m1 stop Atlanta Hartsfield-Jackson

10:00 pm - 9:39 amONT Ontario-LGA New York LaGuardia

8h 39m1 stop Atlanta Hartsfield-Jackson

$398Delta

Wed, Aug 19 - Thu, Aug 27

1:30 pm - 10:05 pmLGA New York LaGuardia-ONT Ontario

11h 35m1 stop Houston Hobby

7:00 am - 10:15 pmONT Ontario-LGA New York LaGuardia

12h 15m1 stop Dallas Love Field

$408Southwest

Tue, Aug 18 - Fri, Aug 21

8:37 pm - 10:04 amPHL Philadelphia-ONT Ontario

16h 27m1 stop Denver Intl

5:26 pm - 5:55 amONT Ontario-PHL Philadelphia

9h 29m1 stop Seattle/Tacoma Intl

$411Multiple Airlines

Sun, Aug 16 - Fri, Jun 11

4:05 pm - 11:24 pmJFK New York John F Kennedy Intl-ONT Ontario

10h 19m1 stop Seattle/Tacoma Intl

11:59 pm - 8:20 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$447Multiple Airlines

Wed, Aug 19 - Tue, Aug 25

Cheap direct flights

Enter your travel dates to find the best prices.

5:59 pm - 8:57 pmJFK New York John F Kennedy Intl-ONT Ontario

5h 58mnonstop

10:39 pm - 7:00 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$342JetBlue

Sat, Sep 26 - Sat, Oct 3

6:50 pm - 9:59 pmJFK New York John F Kennedy Intl-ONT Ontario

6h 09mnonstop

10:39 pm - 7:00 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$342JetBlue

Sat, Sep 5 - Sat, Sep 12

5:59 pm - 8:57 pmJFK New York John F Kennedy Intl-ONT Ontario

5h 58mnonstop

10:39 pm - 7:00 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$345JetBlue

Sat, Sep 26 - Sat, Oct 3

5:59 pm - 8:57 pmJFK New York John F Kennedy Intl-ONT Ontario

5h 58mnonstop

10:39 pm - 7:00 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$345JetBlue

Sat, Sep 19 - Sat, Sep 26

5:59 pm - 8:57 pmJFK New York John F Kennedy Intl-ONT Ontario

5h 58mnonstop

10:39 pm - 7:00 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$345JetBlue

Thu, Sep 10 - Sat, Sep 12

5:59 pm - 8:57 pmJFK New York John F Kennedy Intl-ONT Ontario

5h 58mnonstop

10:39 pm - 7:00 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$354JetBlue

Thu, Sep 10 - Sun, Sep 13

7:00 pm - 10:09 pmJFK New York John F Kennedy Intl-ONT Ontario

6h 09mnonstop

11:05 pm - 7:26 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$354JetBlue

Fri, Oct 16 - Sun, Oct 18

5:59 pm - 8:57 pmJFK New York John F Kennedy Intl-ONT Ontario

5h 58mnonstop

11:05 pm - 7:26 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$354JetBlue

Wed, Sep 30 - Tue, Oct 13

6:50 pm - 9:59 pmJFK New York John F Kennedy Intl-ONT Ontario

6h 09mnonstop

10:39 pm - 7:00 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$354JetBlue

Sat, Sep 5 - Mon, Sep 14

6:50 pm - 9:59 pmJFK New York John F Kennedy Intl-ONT Ontario

6h 09mnonstop

10:39 pm - 7:00 amONT Ontario-JFK New York John F Kennedy Intl

5h 21mnonstop

$354JetBlue

Sat, Sep 5 - Sat, Sep 12

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Alaska Airlines flights from New Jersey to Ontario

Our best Alaska Airlines deals on New Jersey to Ontario flight tickets

Alaska Airlines

Sep 30

JFK9:55 amNew York John F Kennedy Intl

10h 23m

1 stop

ONT5:18 pmOntario

Oct 3

ONT12:17 pmOntario

9h 42m

1 stop

JFK12:59 amNew York John F Kennedy Intl

$310

Alaska Airlines

Sep 12

JFK9:55 amNew York John F Kennedy Intl

10h 23m

1 stop

ONT5:18 pmOntario

Sep 19

ONT7:12 amOntario

9h 15m

1 stop

JFK7:27 pmNew York John F Kennedy Intl

$318

Alaska Airlines

Sep 12

JFK9:55 amNew York John F Kennedy Intl

10h 23m

1 stop

ONT5:18 pmOntario

Sep 19

ONT7:12 amOntario

9h 15m

1 stop

JFK7:27 pmNew York John F Kennedy Intl

$326

JetBlue flights from New Jersey to Ontario

Our best JetBlue deals on New Jersey to Ontario flight tickets

JetBlue

Sep 10

JFK5:59 pmNew York John F Kennedy Intl

5h 58m

ONT8:57 pmOntario

Sep 12

ONT10:39 pmOntario

5h 21m

JFK7:00 amNew York John F Kennedy Intl

$345

JetBlue

Sep 5

JFK6:50 pmNew York John F Kennedy Intl

6h 09m

ONT9:59 pmOntario

Sep 14

ONT10:39 pmOntario

5h 21m

JFK7:00 amNew York John F Kennedy Intl

$354

JetBlue

Sep 11

JFK5:59 pmNew York John F Kennedy Intl

5h 58m

ONT8:57 pmOntario

Sep 20

ONT10:39 pmOntario

5h 21m

JFK7:00 amNew York John F Kennedy Intl

$357

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Sat 10/10

5:50 am-11:50 pm

1 stop21h 00m

Ontario

Tue 10/13

11:52 am-1:16 am

1 stop10h 24m

$157

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Thu 10/22

5:50 am-10:29 am

1 stop7h 39m

Ontario

Mon 10/26

11:52 am-1:16 am

1 stop10h 24m

$158

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Sat 9/12

5:01 pm-10:59 pm

1 stop8h 58m

Ontario

Sat 9/19

6:08 am-7:15 pm

1 stop10h 07m

$241

Quickest round-trip

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Sat 10/17

5:25 am-10:20 am

1 stop7h 55m

Ontario

Mon 10/19

11:55 pm-10:40 am

1 stop7h 45m

$241

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Thu 1/28

3:51 pm-8:48 pm

1 stop7h 57m

Ontario

Mon 2/1

7:30 pm-6:14 am

1 stop7h 44m

$241

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Thu 9/3

5:00 am-9:34 am

1 stop7h 34m

Ontario

Sat 9/12

12:37 pm-12:22 am

1 stop8h 45m

$241

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Tue 9/29

5:10 pm-10:05 pm

1 stop7h 55m

Ontario

Thu 10/1

12:40 pm-1:05 am

1 stop9h 25m

$242

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Sat 9/12

11:04 am-8:01 pm

2 stops11h 57m

Ontario

Sat 9/19

1:18 pm-11:44 pm

1 stop7h 26m

$246

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Sat 9/12

6:00 am-4:46 pm

1 stop13h 46m

Ontario

Wed 9/16

3:14 pm-5:40 am

1 stop11h 26m

$246

PhiladelphiaOntario

PHL Philadelphia - ONT Ontario

PHLONT

Philadelphia

Sat 9/12

6:00 am-4:46 pm

1 stop13h 46m

Ontario

Tue 9/15

3:14 pm-5:40 am

1 stop11h 26m

$251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from New Jersey 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 day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $329. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from New Jersey to Ontario for around $652.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from New Jersey to Ontario when you can find flight prices for as low as $340. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $362 on average. Flights to Ontario from New Jersey in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight from New Jersey to Ontario?

You are more likely to see cheaper flights to Ontario from New Jersey when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $415 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from New Jersey for as low as $168 on momondo.

Cheap New Jersey to Ontario flight deals and tips

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

Fastest flight time	5h 58m
Direct flights	Every day
Airports in Ontario	1 airport

The fastest flight from New Jersey to Ontario takes 5h 58m

Direct flights go from New Jersey to Ontario every day.

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

Search flight deals

Frequently asked questions about flying from New Jersey to Ontario

When did momondo last update prices for flights from New Jersey to Ontario Airport?
Prices for flights from New Jersey to Ontario Airport refresh daily.
How many operators does momondo search for flights from New Jersey to Ontario Airport?
The number of operators available for flights from New Jersey to Ontario Airport is 6 as of August 2026.
How old do you have to be to fly from New Jersey to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New Jersey to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from New Jersey to Ontario

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $276	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.1 11,929 reviews	Search American Airlines flights
United Airlines	PriceFrom $296	Free Cancellation	Rating 7.4 10,108 reviews	Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New Jersey to Ontario for you.

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

Flights from New Jersey to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New Jersey to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New Jersey to Ontario.

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

Of course. momondo tracks the price of New Jersey to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from New Jersey to Los Angeles from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Jersey to Los Angeles departing on 10/13. 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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Alaska Airlines flights from New Jersey to Ontario

Our best Alaska Airlines deals on New Jersey to Ontario flight tickets

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Our best JetBlue deals on New Jersey to Ontario flight tickets

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How to get the cheapest flight ticket from New Jersey to Ontario

What is the cheapest day to depart on your flight to Ontario?

What is the cheapest time of day to depart on your flight to Ontario?

How far in advance should I book a flight from New Jersey to Ontario?

What is the cheapest airline that flies from New Jersey to Ontario?

What airlines fly to Ontario?

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

How long does it take to fly to Ontario?

Cheap New Jersey to Ontario flight deals and tips

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Frequently asked questions about flying from New Jersey to Ontario

Best airlines flying from New Jersey to Ontario

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

Why use momondo?

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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