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$159+ Cheap flights from White Plains to Ontario (HPN - ONT)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — ONT
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from White Plains to Ontario

Cheapest flights from White Plains to Ontario
Explore the most affordable flight options available from White Plains to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Delta deal was found by Cheapflights users on 11/10. 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.
Tue 12/164:29 pmHPN - ONT
1 stop9h 35mDelta
Thu 1/810:30 pmONT - HPN
1 stop8h 19mDelta
Deal found 11/10$317
This Delta deal was found by Cheapflights users on 11/13. 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.
Mon 12/84:29 pmHPN - ONT
1 stop9h 35mDelta
Fri 12/1210:25 pmONT - HPN
2 stops15h 12mDelta
Deal found 11/13$322
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:30 pmHPN - ONT
1 stop9h 09mAmerican Airlines
Sat 12/1310:34 pmONT - HPN
1 stop7h 55mAmerican Airlines
Deal found 11/11$357
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Fri 12/126:30 amHPN - ONT
2 stops12h 32mAmerican Airlines
Sat 12/207:18 pmONT - HPN
2 stops13h 11mAmerican Airlines
Deal found 11/12$358
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Fri 12/51:30 pmHPN - ONT
1 stop9h 09mAmerican Airlines
Tue 12/99:59 amONT - HPN
2 stops9h 00mAmerican Airlines
Deal found 11/13$362
This Delta deal was found by Cheapflights users on 11/11. 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 12/55:17 pmHPN - ONT
2 stops9h 41mDelta
Sat 12/134:49 pmONT - HPN
2 stops14h 00mDelta
Deal found 11/11$367
This Delta deal was found by Cheapflights users on 11/10. 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.
Sun 12/1412:45 pmHPN - ONT
1 stop9h 54mDelta
Thu 1/810:30 pmONT - HPN
1 stop8h 19mDelta
Deal found 11/10$387
This Delta deal was found by Cheapflights users on 11/10. 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.
Tue 12/164:29 pmHPN - ONT
1 stop9h 35mDelta
Tue 1/63:30 pmONT - HPN
2 stops15h 19mDelta
Deal found 11/10$396
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Fri 12/127:00 amHPN - ONT
2 stops14h 19mAmerican Airlines
Sun 12/2110:40 pmONT - HPN
1 stop7h 49mAmerican Airlines
Deal found 11/13$397
This American Airlines deal was found by Cheapflights users on 11/13. 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 12/131:36 pmHPN - ONT
1 stop10h 31mAmerican Airlines
Sat 12/207:18 pmONT - HPN
2 stops12h 16mAmerican Airlines
Deal found 11/13$404
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Mon 12/810:05 amHPN - ONT
2 stops11h 14mAmerican Airlines
Fri 12/129:59 amONT - HPN
2 stops9h 31mAmerican Airlines
Deal found 11/13$407

Cheap flight deals from White Plains to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from White Plains (HPN) to Ontario (ONT). 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(Delta)

One-way from

$159
(Delta)

Popular in

October

Cheapest in

May

Average price

$519
Provider with most accurate pricing for White Plains Westchester County-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for White Plains Westchester County-Ontario flights.
Search Deals
From White Plains Westchester County to Ontario
Search Deals
One-way flight from White Plains Westchester County to Ontario
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from White Plains to Ontario 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 November 13, 2025.
Use the filters below to find and compare flights from White Plains to Ontario that are best for you.

Fly from

White Plains

Fly to

Ontario

Route

Depart

Return

Price

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 12/16

4:29 pm-11:04 pm

1 stop9h 35m

Ontario

Thu 1/8

10:30 pm-9:49 am

1 stop8h 19m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 12/16

4:29 pm-11:04 pm

1 stop9h 35m

Ontario

Tue 1/6

10:30 pm-9:49 am

1 stop8h 19m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 12/16

4:29 pm-11:04 pm

1 stop9h 35m

Ontario

Wed 1/7

10:30 pm-9:49 am

1 stop8h 19m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 1/27

6:00 am-11:54 am

1 stop8h 54m

Ontario

Tue 2/24

10:20 pm-9:45 am

1 stop8h 25m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 2/18

6:00 am-11:59 am

1 stop8h 59m

Ontario

Tue 2/24

10:20 pm-9:45 am

1 stop8h 25m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 2/18

6:00 am-11:59 am

1 stop8h 59m

Ontario

Thu 2/19

10:20 pm-9:45 am

1 stop8h 25m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Thu 2/19

6:00 am-11:59 am

1 stop8h 59m

Ontario

Tue 2/24

10:20 pm-9:45 am

1 stop8h 25m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Thu 1/29

6:00 am-11:54 am

1 stop8h 54m

Ontario

Sun 2/1

10:30 pm-9:49 am

1 stop8h 19m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 12/10

7:00 am-6:19 pm

2 stops14h 19m

Ontario

Wed 12/17

10:34 pm-9:29 am

1 stop7h 55m

$322

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Mon 12/8

4:29 pm-11:04 pm

1 stop9h 35m

Ontario

Fri 12/12

10:25 pm-4:37 pm

2 stops15h 12m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 20 results
1
2

Compare providers for flights from White Plains to Ontario

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 White Plains to Ontario in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 White Plains-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on White Plains-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from White Plains-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on White Plains-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 White Plains-Ontario 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 White Plains to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from White Plains 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 White Plains to Ontario

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

Currently, May is the cheapest month in which you can book a flight from White Plains to Ontario (average of $87). Flying from White Plains to Ontario in December is currently the most expensive (average of $182). 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.

What is the cheapest time of day to fly from HPN to ONT?

Find hourly flight availability from White Plains to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

It’s typically best to fly out from White Plains to Ontario in the evening. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated November 13, 2025.
Get a feel of what it's like to fly with Delta from White Plains to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from White Plains to Ontario. 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 White Plains to Ontario?

    Delta can get you from White Plains to Ontario in just under 9h 35m. Your travel time can differ by up to . The distance between White Plains and Ontario is about 2424 mi.

  • What is the cheapest airline to fly from White Plains to Ontario round-trip?

    According to our current data, Delta ($267), offers the cheapest pricing from White Plains to Ontario. Delta is 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from White Plains to Ontario 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 White Plains to Ontario?

    Currently, May is the cheapest month in which you can book a flight from White Plains to Ontario (average of $87). Flying from White Plains to Ontario in December is currently the most expensive (average of $182). 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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Alternative routes for White Plains to Ontario

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Top airline flying from White Plains to Ontario

Discover the top airline that operate flights from White Plains to Ontario. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$267Average$472FlexibilityNo cancel feeOn-timeN/A

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