How does KAYAK find such low prices on flights from New Jersey to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from New Jersey to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Jersey to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from New Jersey is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from New Jersey to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to New Jersey with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Jersey to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from New Jersey up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$74 CHEAP FLIGHTS from New Jersey to Ontario

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Flight Deals

Cheap Flights from New Jersey to Ontario

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from New Jersey to Ontario

Mon, Oct 12 - Sat, Oct 17

8:44 pm - 10:43 amPHL Philadelphia-ONT Ontario

16h 59m1 stop Denver Intl

6:00 am - 5:36 amONT Ontario-PHL Philadelphia

20h 36m1 stop Denver Intl

$160Frontier

Mon, Oct 12 - Tue, Oct 20

8:44 pm - 10:43 amPHL Philadelphia-ONT Ontario

16h 59m1 stop Denver Intl

11:38 am - 5:36 amONT Ontario-PHL Philadelphia

14h 58m1 stop Denver Intl

$168Frontier

Sat, Oct 17 - Mon, Oct 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

Thu, Jan 28 - Mon, Feb 1

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

Sat, Oct 17 - Mon, Oct 19

7:00 am - 12:14 pmPHL Philadelphia-ONT Ontario

8h 14m1 stop Phoenix Sky Harbor Intl

7:34 pm - 6:41 amONT Ontario-PHL Philadelphia

8h 07m1 stop Phoenix Sky Harbor Intl

$241American Airlines

Tue, Sep 29 - Thu, Oct 1

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

Thu, Sep 3 - Sat, Sep 12

6:00 am - 12:12 pmPHL Philadelphia-ONT Ontario

9h 12m1 stop San Francisco

7:00 am - 5:54 pmONT Ontario-PHL Philadelphia

7h 54m1 stop Chicago O'Hare Intl

$252United Airlines

Tue, Sep 15 - Tue, Sep 22

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

$253Multiple Airlines

Tue, Sep 22 - Sat, Sep 26

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

13h 46m1 stop Dallas/Fort Worth

6:02 am - 5:56 pmONT Ontario-PHL Philadelphia

8h 54m1 stop Seattle/Tacoma Intl

$253Multiple Airlines

Sun, Sep 6 - Fri, Sep 11

8:00 am - 12:50 pmLGA New York LaGuardia-ONT Ontario

7h 50m1 stop Denver Intl

6:00 am - 7:02 pmONT Ontario-LGA New York LaGuardia

10h 02m1 stop Houston George Bush Intcntl

$281United Airlines

Recent last minute flight deals from New Jersey to Ontario

Tue, Aug 18 - Wed, Aug 26

10:55 pm - 8:36 amLGA New York LaGuardia-ONT Ontario

12h 41m1 stop Dallas/Fort Worth

9:37 am - 10:00 pmONT Ontario-LGA New York LaGuardia

9h 23m1 stop Dallas/Fort Worth

$293Frontier

Tue, Aug 18 - Wed, Aug 26

10:55 pm - 8:36 amLGA New York LaGuardia-ONT Ontario

12h 41m1 stop Dallas/Fort Worth

9:37 am - 10:00 pmONT Ontario-LGA New York LaGuardia

9h 23m1 stop Dallas/Fort Worth

$312Frontier

Mon, Aug 17 - Tue, Aug 25

1:59 pm - 9:52 pmLGA New York LaGuardia-ONT Ontario

10h 53m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:24 pmONT Ontario-LGA New York LaGuardia

8h 24m1 stop Atlanta Hartsfield-Jackson

$352Delta

Tue, Aug 18 - Fri, Aug 28

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 21

1:50 pm - 6:47 pmLGA New York LaGuardia-ONT Ontario

7h 57m1 stop Dallas/Fort Worth

12:33 pm - 11:45 pmONT Ontario-LGA New York LaGuardia

8h 12m1 stop Dallas/Fort Worth

$397American Airlines

Tue, Aug 18 - Fri, Aug 21

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

Sun, Aug 16 - Fri, Jun 11

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

Tue, Aug 18 - Fri, Aug 21

6:30 am - 12:40 pmLGA New York LaGuardia-ONT Ontario

9h 10m2 stops Lambert-St Louis Las Vegas Harry Reid Intl

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

12h 15m1 stop Dallas Love Field

$439Southwest

Tue, Aug 18 - Sat, Sep 12

5:59 pm - 11:34 pmEWR Newark-ONT Ontario

8h 35m1 stop Salt Lake City

12:17 pm - 11:57 pmONT Ontario-EWR Newark

8h 40m1 stop Atlanta Hartsfield-Jackson

$469Delta

Tue, Aug 18 - Tue, Sep 1

7:00 am - 4:30 pmJFK New York John F Kennedy Intl-ONT Ontario

12h 30m1 stop Seattle/Tacoma Intl

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

5h 21mnonstop

$477Multiple Airlines