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White Plains

$159+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HPN
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(Delta)

One-way from

$159
(Delta)

Popular in

December

Cheapest in

January

Average price

$357
Provider with most accurate pricing for Ontario-White Plains Westchester County flight deals.
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Provider most trusted by Cheapflights users for Ontario-White Plains Westchester County flights.
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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. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. 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 11/910:25 pmONT - HPN
1 stop8h 22mDelta
Fri 11/146:00 amHPN - ONT
1 stop8h 06mDelta
Deal found 10/16$317
This Delta deal was found by Cheapflights users on 10/16. 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 10/3011:36 amONT - HPN
1 stop7h 33mDelta
Fri 10/3112:45 pmHPN - ONT
1 stop9h 34mDelta
Deal found 10/16$320
This Delta deal was found by Cheapflights users on 10/15. 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 11/610:00 pmONT - HPN
1 stop8h 44mDelta
Mon 11/103:08 pmHPN - ONT
2 stops11h 44mDelta
Deal found 10/15$322
This Delta deal was found by Cheapflights users on 10/16. 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 10/3011:36 amONT - HPN
1 stop7h 33mDelta
Tue 11/44:29 pmHPN - ONT
1 stop8h 53mDelta
Deal found 10/16$323
This Delta deal was found by Cheapflights users on 10/15. 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 10/3111:36 amONT - HPN
1 stop7h 33mDelta
Tue 11/412:55 pmHPN - ONT
2 stops12h 27mDelta
Deal found 10/15$325
This Delta deal was found by Cheapflights users on 10/16. 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 11/1810:25 pmONT - HPN
2 stops10h 34mDelta
Thu 11/203:08 pmHPN - ONT
2 stops11h 44mDelta
Deal found 10/16$327
This Delta deal was found by Cheapflights users on 10/16. 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 12/137:05 amONT - HPN
1 stop7h 55mDelta
Sun 12/146:00 amHPN - ONT
1 stop8h 02mDelta
Deal found 10/16$348
This Delta deal was found by Cheapflights users on 10/15. 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 11/811:36 amONT - HPN
1 stop7h 33mDelta
Tue 11/114:29 pmHPN - ONT
1 stop9h 35mDelta
Deal found 10/15$379
This Delta deal was found by Cheapflights users on 10/16. 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 10/2411:36 amONT - HPN
1 stop7h 33mDelta
Sat 10/2512:45 pmHPN - ONT
1 stop9h 34mDelta
Deal found 10/16$404
This Delta deal was found by Cheapflights users on 10/16. 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 10/3011:36 amONT - HPN
1 stop7h 33mDelta
Sun 11/24:29 pmHPN - ONT
1 stop8h 53mDelta
Deal found 10/16$431

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 October 16, 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 11/18

7:05 am-6:01 pm

1 stop7h 56m

White Plains Westchester County

Wed 11/19

4:29 pm-11:04 pm

1 stop9h 35m

$317

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

$317

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 10/30

11:36 am-10:09 pm

1 stop7h 33m

White Plains Westchester County

Fri 10/31

12:45 pm-7:19 pm

1 stop9h 34m

$320

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 11/18

7:05 am-6:01 pm

1 stop7h 56m

White Plains Westchester County

Thu 11/20

5:14 pm-11:52 pm

2 stops9h 38m

$322

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sat 11/8

11:36 am-10:09 pm

1 stop7h 33m

White Plains Westchester County

Tue 11/11

3:08 pm-11:52 pm

2 stops11h 44m

$322

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 11/6

10:00 pm-9:44 am

1 stop8h 44m

White Plains Westchester County

Mon 11/10

3:08 pm-11:52 pm

2 stops11h 44m

$322

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 10/30

11:36 am-10:09 pm

1 stop7h 33m

White Plains Westchester County

Tue 11/4

4:29 pm-10:22 pm

1 stop8h 53m

$323

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sat 2/28

11:55 pm-1:06 pm

2 stops10h 11m

White Plains Westchester County

Tue 3/3

12:41 pm-9:40 pm

2 stops11h 59m

$427

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 10/30

11:36 am-10:09 pm

1 stop7h 33m

White Plains Westchester County

Sun 11/2

4:29 pm-10:22 pm

1 stop8h 53m

$431

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Fri 10/31

11:36 am-10:09 pm

1 stop7h 33m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 20 results
1
2

Compare providers for flights from Ontario to White Plains

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to White Plains in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-White Plains flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-White Plains flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-White Plains flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-White Plains flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-White Plains flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, June is the cheapest month in which you can book a flight from Ontario to White Plains (average of $78). Flying from Ontario to White Plains in December is currently the most expensive (average of $176). 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 October 16, 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
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
11,043 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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 7h 56m. Delta provides one of the quickest options available for as low as $317. 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 $281, 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.

  • 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, June is the cheapest month in which you can book a flight from Ontario to White Plains (average of $78). Flying from Ontario to White Plains in December is currently the most expensive (average of $176). 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$281Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$342Average$436FlexibilityNo cancel feeOn-time71%

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