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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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HPN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$337
(Delta)

One-way from

$169
(Delta)

Popular in

November

Cheapest in

May

Average price

$414
From Ontario to White Plains Westchester County
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One-way flight from Ontario to White Plains Westchester County
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Highest demand for flights based on searches. 27% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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 12/67:05 amONT - HPN
1 stop7h 55mDelta
Wed 12/1012:44 pmHPN - ONT
1 stop9h 51mDelta
Deal found 9/11$337
This Delta deal was found by Cheapflights users on 9/10. 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 11/710:00 pmONT - HPN
2 stops10h 59mDelta
Wed 11/124:29 pmHPN - ONT
1 stop9h 35mDelta
Deal found 9/10$342
This Delta deal was found by Cheapflights users on 9/11. 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 12/611:45 amONT - HPN
1 stop7h 23mDelta
Tue 12/912:44 pmHPN - ONT
1 stop9h 51mDelta
Deal found 9/11$358
This Delta deal was found by Cheapflights users on 9/11. 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 12/511:45 amONT - HPN
1 stop7h 23mDelta
Wed 12/1012:44 pmHPN - ONT
1 stop9h 51mDelta
Deal found 9/11$367
This Delta deal was found by Cheapflights users on 9/11. 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 12/710:25 pmONT - HPN
1 stop8h 19mDelta
Tue 12/912:44 pmHPN - ONT
1 stop9h 51mDelta
Deal found 9/11$368
This Delta deal was found by Cheapflights users on 9/10. 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 9/1711:55 amONT - HPN
1 stop7h 23mDelta
Sat 9/276:00 amHPN - ONT
1 stop7h 42mDelta
Deal found 9/10$377
This Delta deal was found by Cheapflights users on 9/11. 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 12/511:45 amONT - HPN
1 stop7h 23mDelta
Tue 12/94:29 pmHPN - ONT
1 stop9h 34mDelta
Deal found 9/11$388
This Delta deal was found by Cheapflights users on 9/10. 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 9/1311:55 amONT - HPN
1 stop7h 23mDelta
Fri 9/264:29 pmHPN - ONT
1 stop8h 54mDelta
Deal found 9/10$389
This Delta deal was found by Cheapflights users on 9/10. 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 9/1711:55 amONT - HPN
1 stop7h 23mDelta
Thu 9/2512:45 pmHPN - ONT
1 stop9h 30mDelta
Deal found 9/10$408
This Delta deal was found by Cheapflights users on 9/10. 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 10/411:55 amONT - HPN
1 stop7h 23mDelta
Mon 10/64:29 pmHPN - ONT
1 stop8h 53mDelta
Deal found 9/10$412
This Delta deal was found by Cheapflights users on 9/10. 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 9/1711:55 amONT - HPN
1 stop7h 23mDelta
Tue 9/234:29 pmHPN - ONT
1 stop8h 54mDelta
Deal found 9/10$417

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 September 11, 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 1/6

10:30 pm-9:50 am

1 stop8h 20m

White Plains Westchester County

Thu 1/8

6:00 am-11:38 am

1 stop8h 38m

$337

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 1/7

10:30 pm-9:50 am

1 stop8h 20m

White Plains Westchester County

Fri 1/9

6:00 am-11:38 am

1 stop8h 38m

$337

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sat 2/14

10:30 pm-9:50 am

1 stop8h 20m

White Plains Westchester County

Sat 2/21

6:00 am-11:38 am

1 stop8h 38m

$337

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sat 2/28

10:30 pm-9:50 am

1 stop8h 20m

White Plains Westchester County

Tue 3/3

12:59 pm-9:14 pm

1 stop11h 15m

$337

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Fri 11/7

10:00 pm-11:59 am

2 stops10h 59m

White Plains Westchester County

Wed 11/12

4:29 pm-11:52 pm

2 stops10h 23m

$347

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Fri 2/13

10:30 pm-11:50 am

2 stops10h 20m

White Plains Westchester County

Thu 2/19

12:59 pm-9:14 pm

1 stop11h 15m

$383

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sun 1/4

10:29 pm-9:50 am

1 stop8h 21m

White Plains Westchester County

Sat 1/10

6:00 am-11:38 am

1 stop8h 38m

$408

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 1/8

10:30 pm-9:50 am

1 stop8h 20m

White Plains Westchester County

Mon 1/12

6:00 am-11:38 am

1 stop8h 38m

$412

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 12/9

10:25 pm-9:44 am

1 stop8h 19m

White Plains Westchester County

Mon 12/15

12:44 pm-11:03 pm

1 stop13h 19m

$421

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 9/23

11:55 am-10:18 pm

1 stop7h 23m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 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 $338). 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 September 11, 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
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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.

  • How long is the flight from Ontario to White Plains?

    A quick flight from Ontario to White Plains can take about 8h 20m. Delta provides one of the quickest options available for as low as $337. Ontario and White Plains are separated by a distance of 2424 mi.

  • 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 43% 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 $338). 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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$427FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$342Average$436FlexibilityNo cancel feeOn-time71%

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