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Westchester County

$159+ Cheap flights from Ontario (ONT) to Westchester County

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HPN
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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Cheap flight deals from Ontario to Westchester County

Keep the following information in mind while searching for Ontario to Westchester County flight deals. Data was last updated November 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$317
(Delta)

One-way from

$159
(Delta)

Popular in

December

Cheapest in

January

Average price

$382
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From Ontario to Westchester County
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One-way flight from Ontario to Westchester County
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Highest demand for flights based on searches. 6% potential increase in price ($24 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 November 2025
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Find flight deals from Ontario to Westchester County

Cheapest flights from Ontario to Westchester County
Explore the most affordable flight options available from Ontario to Westchester County. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This Delta deal was found by Cheapflights users on 11/18. 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 12/1410:25 pmONT - HPN
1 stop8h 24mDelta
Tue 1/66:00 amHPN - ONT
1 stop8h 31mDelta
Deal found 11/18$317
This Delta deal was found by Cheapflights users on 11/17. 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 12/410:25 pmONT - HPN
1 stop8h 24mDelta
Mon 12/84:29 pmHPN - ONT
1 stop9h 35mDelta
Deal found 11/17$330
This Delta deal was found by Cheapflights users on 11/17. 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 12/1010:25 pmONT - HPN
1 stop8h 24mDelta
Tue 1/66:00 amHPN - ONT
1 stop8h 31mDelta
Deal found 11/17$357
This Delta deal was found by Cheapflights users on 11/17. 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 12/157:05 amONT - HPN
1 stop7h 55mDelta
Wed 1/76:00 amHPN - ONT
1 stop8h 31mDelta
Deal found 11/17$387
This Delta deal was found by Cheapflights users on 11/18. 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 12/1010:25 pmONT - HPN
1 stop8h 24mDelta
Wed 1/76:00 amHPN - ONT
1 stop8h 31mDelta
Deal found 11/18$390
This Alaska Airlines deal was found by Cheapflights users on 11/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:00 amONT - HPN
2 stops12h 59mAlaska Airlines
Tue 1/612:00 pmHPN - ONT
2 stops15h 14mAlaska Airlines
Deal found 11/17$427
This Delta deal was found by Cheapflights users on 11/18. 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
1 stop8h 22mDelta
Mon 11/246:00 amHPN - ONT
1 stop8h 06mDelta
Deal found 11/18$430
This Delta deal was found by Cheapflights users on 11/17. 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 12/410:25 pmONT - HPN
1 stop8h 24mDelta
Sun 12/74:29 pmHPN - ONT
1 stop9h 35mDelta
Deal found 11/17$431
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amONT - HPN
2 stops12h 59mAlaska Airlines
Tue 1/612:00 pmHPN - ONT
2 stops15h 14mAlaska Airlines
Deal found 11/18$509
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:00 amONT - HPN
2 stops12h 59mAlaska Airlines
Tue 1/612:00 pmHPN - ONT
2 stops15h 14mAlaska Airlines
Deal found 11/18$538

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Westchester County 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 18, 2025.
Use the filters below to find and compare flights from Ontario to Westchester County that are best for you.

Fly from

Ontario

Fly to

Westchester County

Route

Depart

Return

Price

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sat 2/28

10:20 pm-9:45 am

1 stop8h 25m

White Plains Westchester County

Tue 3/3

6:00 am-4:04 pm

2 stops13h 04m

$322

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 12/10

10:25 pm-9:49 am

1 stop8h 24m

White Plains Westchester County

Tue 1/6

6:00 am-11:31 am

1 stop8h 31m

$390

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 12/11

10:25 pm-9:49 am

1 stop8h 24m

White Plains Westchester County

Wed 1/7

6:00 am-11:31 am

1 stop8h 31m

$390

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 12/11

10:25 pm-9:49 am

1 stop8h 24m

White Plains Westchester County

Tue 1/6

6:00 am-11:31 am

1 stop8h 31m

$390

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Mon 12/15

7:05 am-6:00 pm

1 stop7h 55m

White Plains Westchester County

Wed 1/7

6:00 am-11:31 am

1 stop8h 31m

$418

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 12/10

6:00 am-9:59 pm

2 stops12h 59m

White Plains Westchester County

Tue 1/6

12:00 pm-12:14 am

2 stops15h 14m

$427

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 12/4

10:25 pm-9:49 am

1 stop8h 24m

White Plains Westchester County

Sun 12/7

4:29 pm-11:04 pm

1 stop9h 35m

$431

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 12/4

10:25 pm-9:49 am

1 stop8h 24m

White Plains Westchester County

Mon 12/8

4:29 pm-11:58 pm

2 stops10h 29m

$516

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Mon 12/15

6:00 am-9:59 pm

2 stops12h 59m

White Plains Westchester County

Tue 1/6

12:00 pm-12:14 am

2 stops15h 14m

$538

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 12/10

6:00 am-9:59 pm

2 stops12h 59m

White Plains Westchester County

Mon 1/5

12:00 pm-12:14 am

2 stops15h 14m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Westchester County

Have a flexible travel schedule? Discover the best time to fly to Westchester County 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 Westchester County

What is the cheapest month to book a flight from Ontario to Westchester County?

Currently, September is the cheapest month in which you can book a flight from Ontario to Westchester County (average of $148). Flying from Ontario to Westchester County in November is currently the most expensive (average of $317). 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 Westchester County

Get insights into the airlines that provide service to Westchester County. 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 Westchester County. Reviews last updated November 18, 2025.
Read reviews from past customers who have flown Delta and American Airlines from Ontario to Westchester County. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

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
11,045 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

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 Westchester County. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Westchester County?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Westchester County. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Westchester County?

    There are many flights that can get you from Ontario to Westchester County in 8h 25m. Fly via Delta or Alaska Airlines to get the fastest option. Airlines will cover a distance of 2424 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Westchester County that include hotel bookings?

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

  • How can I find direct flights from Ontario to Westchester County?

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

  • Can I find deals for business class flights from Ontario to Westchester County?

    Yes. Cheapflights offers flight deals from Ontario to Westchester County 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 Westchester County?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Westchester County (average of $148). Flying from Ontario to Westchester County in November is currently the most expensive (average of $317). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Westchester County

Discover the top 2 airlines that operate flights from Ontario to Westchester County. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$281Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$342Average$436FlexibilityNo cancel feeOn-time71%

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