HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Westchester County

$169+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HPN
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Westchester County 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 Westchester County

Keep the following information in mind while searching for Ontario to Westchester County flight deals. Data was last updated August 21, 2025.

Round-trip from

$337
(Delta)

One-way from

$169
(Delta)

Popular in

December

Cheapest in

January

Average price

$337
From Ontario to Westchester County
Search Deals
One-way flight from Ontario to Westchester County
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 21, 2025.

This Delta deal was found by Cheapflights users on 8/19. 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 8/19$337
This Delta deal was found by Cheapflights users on 8/19. 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 9/311:45 amONT - HPN
1 stop7h 38mDelta
Sat 9/66:00 amHPN - ONT
1 stop7h 35mDelta
Deal found 8/19$342
This Delta deal was found by Cheapflights users on 8/19. 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 8/3011:45 amONT - HPN
1 stop7h 38mDelta
Tue 9/96:00 amHPN - ONT
1 stop7h 35mDelta
Deal found 8/19$377
This Delta deal was found by Cheapflights users on 8/19. 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 9/27:05 amONT - HPN
1 stop7h 57mDelta
Sat 9/66:00 amHPN - ONT
1 stop7h 35mDelta
Deal found 8/19$382
This Delta deal was found by Cheapflights users on 8/19. 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 8/2711:45 amONT - HPN
1 stop7h 38mDelta
Sun 8/316:00 amHPN - ONT
1 stop7h 20mDelta
Deal found 8/19$398
This Delta deal was found by Cheapflights users on 8/19. 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 9/311:45 amONT - HPN
1 stop7h 38mDelta
Sun 9/76:00 amHPN - ONT
1 stop7h 35mDelta
Deal found 8/19$402
This Delta deal was found by Cheapflights users on 8/20. 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 8/3011:45 amONT - HPN
1 stop7h 38mDelta
Sat 9/612:45 pmHPN - ONT
2 stops12h 55mDelta
Deal found 8/20$403
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 9/410:53 amONT - HPN
2 stops9h 33mAmerican Airlines
Mon 9/86:00 amHPN - ONT
2 stops13h 05mAmerican Airlines
Deal found 8/20$408
This Delta deal was found by Cheapflights users on 8/20. 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 8/2611:45 amONT - HPN
1 stop7h 38mDelta
Sun 8/316:00 amHPN - ONT
1 stop7h 20mDelta
Deal found 8/20$410
This Delta deal was found by Cheapflights users on 8/21. 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 11/1010:59 pmONT - HPN
1 stop10h 12mDelta
Sat 11/156:00 amHPN - ONT
1 stop8h 24mDelta
Deal found 8/21$412

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 August 21, 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

Wed 9/17

11:55 am-10:18 pm

1 stop7h 23m

White Plains Westchester County

Tue 9/23

4:29 pm-10:23 pm

1 stop8h 54m

$337

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 9/4

11:45 am-10:23 pm

1 stop7h 38m

White Plains Westchester County

Wed 9/10

6:00 am-10:35 am

1 stop7h 35m

$342

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 9/3

11:45 am-10:23 pm

1 stop7h 38m

White Plains Westchester County

Sat 9/6

6:00 am-10:35 am

1 stop7h 35m

$342

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 9/2

11:45 am-10:23 pm

1 stop7h 38m

White Plains Westchester County

Tue 9/9

6:00 am-10:35 am

1 stop7h 35m

$377

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 9/3

11:45 am-10:23 pm

1 stop7h 38m

White Plains Westchester County

Tue 9/9

6:00 am-10:35 am

1 stop7h 35m

$377

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Fri 9/19

11:55 am-10:18 pm

1 stop7h 23m

White Plains Westchester County

Tue 9/23

6:00 am-10:42 am

1 stop7h 42m

$377

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 9/2

7:05 am-6:02 pm

1 stop7h 57m

White Plains Westchester County

Sat 9/6

6:00 am-10:35 am

1 stop7h 35m

$382

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Fri 9/5

11:45 am-10:23 pm

1 stop7h 38m

White Plains Westchester County

Tue 9/9

6:00 am-10:35 am

1 stop7h 35m

$398

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 9/4

11:45 am-10:23 pm

1 stop7h 38m

White Plains Westchester County

Tue 9/9

6:00 am-10:35 am

1 stop7h 35m

$398

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 9/3

11:45 am-10:23 pm

1 stop7h 38m

White Plains Westchester County

Sun 9/7

6:00 am-10:35 am

1 stop7h 35m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 21 results
1
2
3

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, January is the cheapest month in which you can book a flight from Ontario to Westchester County (average of $276). Flying from Ontario to Westchester County 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 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 August 21, 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
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

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
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

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 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 7h 23m. Fly via Delta to get the fastest option. Airlines will cover a distance of 2424 mi.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Westchester County (average of $276). Flying from Ontario to Westchester County 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 Westchester County

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

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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$342Average$562FlexibilityNo 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.