HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
White Plains

$169+ Cheap flights from Ontario to White Plains (ONT - HPN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HPN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to White Plains with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to White Plains

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to White Plains (HPN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$337
(Delta)

One-way from

$169
(Delta)

Popular in

November

Cheapest in

August

Average price

$306
From Ontario to White Plains Westchester County
Search Deals
One-way flight from Ontario to White Plains Westchester County
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Ontario to White Plains

Cheapest flights from Ontario to White Plains
Explore the most affordable flight options available from Ontario to White Plains. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:00 pmONT - HPN
1 stop8h 44mDelta
Wed 11/196:00 amHPN - ONT
1 stop8h 24mDelta
Deal found 8/14$337
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:36 amONT - HPN
1 stop7h 33mDelta
Wed 11/196:00 amHPN - ONT
1 stop8h 24mDelta
Deal found 8/14$342
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:59 pmONT - HPN
1 stop10h 12mDelta
Mon 12/812:59 pmHPN - ONT
1 stop9h 43mDelta
Deal found 8/13$347
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:36 amONT - HPN
1 stop7h 33mDelta
Wed 11/194:19 pmHPN - ONT
1 stop9h 22mDelta
Deal found 8/14$372
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3111:45 amONT - HPN
1 stop7h 38mDelta
Wed 9/36:00 amHPN - ONT
1 stop7h 35mDelta
Deal found 8/13$377
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:36 amONT - HPN
1 stop7h 33mDelta
Sun 11/236:00 amHPN - ONT
1 stop8h 24mDelta
Deal found 8/14$382
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:59 pmONT - HPN
2 stops14h 41mDelta
Mon 11/1712:59 pmHPN - ONT
1 stop9h 43mDelta
Deal found 8/13$387
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:05 amONT - HPN
1 stop7h 57mDelta
Sat 9/66:00 amHPN - ONT
1 stop7h 35mDelta
Deal found 8/13$389
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:00 pmONT - HPN
1 stop8h 44mDelta
Mon 11/246:00 amHPN - ONT
1 stop8h 24mDelta
Deal found 8/14$398
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:17 amONT - HPN
2 stops11h 12mAmerican Airlines
Sat 9/61:41 pmHPN - ONT
1 stop10h 43mAmerican Airlines
Deal found 8/13$399
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:00 pmONT - HPN
1 stop8h 49mDelta
Wed 9/244:29 pmHPN - ONT
1 stop8h 54mDelta
Deal found 8/14$401

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to White Plains that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Ontario to White Plains that are best for you.

Fly from

Ontario

Fly to

White Plains

Route

Depart

Return

Price

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 10/14

10:00 pm-9:44 am

1 stop8h 44m

White Plains Westchester County

Wed 11/19

6:00 am-11:24 am

1 stop8h 24m

$337

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sat 10/18

11:36 am-10:09 pm

1 stop7h 33m

White Plains Westchester County

Wed 11/19

6:00 am-11:24 am

1 stop8h 24m

$342

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Fri 12/5

10:59 pm-12:11 pm

1 stop10h 12m

White Plains Westchester County

Mon 12/8

12:59 pm-7:42 pm

1 stop9h 43m

$347

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 10/15

11:36 am-10:09 pm

1 stop7h 33m

White Plains Westchester County

Wed 11/19

4:19 pm-10:41 pm

1 stop9h 22m

$372

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sun 8/31

11:45 am-10:23 pm

1 stop7h 38m

White Plains Westchester County

Wed 9/3

6:00 am-10:35 am

1 stop7h 35m

$377

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 10/14

10:00 pm-9:44 am

1 stop8h 44m

White Plains Westchester County

Sun 11/23

6:00 am-11:24 am

1 stop8h 24m

$377

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 11/12

10:59 pm-9:49 am

1 stop7h 50m

White Plains Westchester County

Sun 11/16

6:00 am-11:24 am

1 stop8h 24m

$377

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Fri 11/14

10:59 pm-12:11 pm

1 stop10h 12m

White Plains Westchester County

Mon 11/17

12:59 pm-7:42 pm

1 stop9h 43m

$382

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sat 10/18

11:36 am-10:09 pm

1 stop7h 33m

White Plains Westchester County

Sun 11/23

6:00 am-11:24 am

1 stop8h 24m

$382

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 10/14

10:00 pm-9:44 am

1 stop8h 44m

White Plains Westchester County

Thu 11/20

6:00 am-11:24 am

1 stop8h 24m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 19 results
1
2

Best time to book a flight from Ontario to White Plains

Have a flexible travel schedule? Discover the best time to fly to White Plains from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to White Plains

What is the cheapest month to book a flight from Ontario to White Plains?

Currently, January is the cheapest month in which you can book a flight from Ontario to White Plains (average of $276). Flying from Ontario to White Plains in March is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing White Plains

Get insights into the airlines that provide service to White Plains. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to White Plains. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from Ontario to White Plains, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Ontario to White Plains. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to White Plains round-trip?

    Currently priced at $296, Delta will fly you from Ontario to White Plains and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $342. Delta is priced at 42% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Ontario to White Plains that include hotel bookings?

    Yes. In addition to deals on Ontario to White Plains flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to White Plains?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to White Plains.

  • Can I find deals for business class flights from Ontario to White Plains?

    Yes. Cheapflights offers flight deals from Ontario to White Plains by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to White Plains?

    Currently, January is the cheapest month in which you can book a flight from Ontario to White Plains (average of $276). Flying from Ontario to White Plains in March is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to White Plains

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to Newark flights
Los Angeles to LaGuardia flights
San Francisco to LaGuardia flights
Ontario to John F Kennedy Intl flights
Burbank to Newark flights
Ontario to Newark flights
Santa Ana to Newark flights
San Diego to John F Kennedy Intl flights
San Diego to Newark flights
Burbank to LaGuardia flights
Oakland to Newark flights
Santa Ana to LaGuardia flights
Ontario to LaGuardia flights
San Jose to Newark flights
Santa Ana to John F Kennedy Intl flights
Oakland to LaGuardia flights
San Jose to John F Kennedy Intl flights
San Diego to LaGuardia flights
Las Vegas to John F Kennedy Intl flights
Sacramento to Newark flights
Sacramento to John F Kennedy Intl flights
San Jose to LaGuardia flights
Burbank to John F Kennedy Intl flights
Las Vegas to Newark flights
Oakland to John F Kennedy Intl flights
San Francisco to White Plains flights
Las Vegas to LaGuardia flights
Los Angeles to Buffalo flights
Sacramento to LaGuardia flights
Long Beach to John F Kennedy Intl flights
Los Angeles to Islip flights
Los Angeles to Albany flights
Palm Springs to John F Kennedy Intl flights
Reno to John F Kennedy Intl flights
Fresno to John F Kennedy Intl flights
San Francisco to Stewart flights
Reno to Newark flights
Ontario to Buffalo flights
Las Vegas to Buffalo flights
Palm Springs to Newark flights
Palm Springs to LaGuardia flights
Los Angeles to White Plains flights
Fresno to Newark flights
Los Angeles to Syracuse flights
Fresno to LaGuardia flights
Reno to LaGuardia flights
San Francisco to Buffalo flights

Top 2 airlines flying from Ontario to White Plains

Discover the top 2 airlines that operate flights from Ontario to White Plains. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$427FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$342Average$564FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.