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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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HPN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 2/1010:30 pm
ONT
-
HPN
1 stop8h 14m
Delta
Wed 2/1812:56 pm
HPN
-
ONT
1 stop11h 09m
Delta
Deal found 1/21$317
This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 2/2510:20 pm
ONT
-
HPN
1 stop8h 23m
Delta
Mon 3/23:15 pm
HPN
-
ONT
2 stops11h 34m
Delta
Deal found 1/20$322
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 2/1010:30 pm
ONT
-
HPN
1 stop8h 14m
Delta
Tue 2/173:15 pm
HPN
-
ONT
2 stops11h 34m
Delta
Deal found 1/21$332
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 5/510:15 pm
ONT
-
HPN
1 stop8h 32m
Delta
Tue 5/193:15 pm
HPN
-
ONT
2 stops11h 29m
Delta
Deal found 1/21$342
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 2/1010:30 pm
ONT
-
HPN
1 stop8h 14m
Delta
Thu 2/1912:56 pm
HPN
-
ONT
1 stop11h 09m
Delta
Deal found 1/21$348
This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 4/110:25 pm
ONT
-
HPN
1 stop8h 19m
Delta
Thu 4/23:13 pm
HPN
-
ONT
2 stops11h 38m
Delta
Deal found 1/20$353
This Delta deal was found by Cheapflights users on 1/20. 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.
Thu 2/1910:20 pm
ONT
-
HPN
1 stop8h 23m
Delta
Sun 2/226:00 am
HPN
-
ONT
1 stop9h 02m
Delta
Deal found 1/20$358
This Delta deal was found by Cheapflights users on 1/21. 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.
Sun 2/1510:20 pm
ONT
-
HPN
1 stop8h 23m
Delta
Tue 2/173:15 pm
HPN
-
ONT
2 stops11h 34m
Delta
Deal found 1/21$363
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 6/165:05 pm
ONT
-
HPN
2 stops13h 47m
Delta
Tue 6/233:15 pm
HPN
-
ONT
2 stops11h 29m
Delta
Deal found 1/21$369
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 2/1010:30 pm
ONT
-
HPN
1 stop8h 14m
Delta
Fri 2/206:00 am
HPN
-
ONT
1 stop9h 02m
Delta
Deal found 1/21$377
This Delta deal was found by Cheapflights users on 1/21. 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.
Sun 2/1510:20 pm
ONT
-
HPN
1 stop8h 23m
Delta
Thu 2/1912:56 pm
HPN
-
ONT
1 stop11h 09m
Delta
Deal found 1/21$379

Find 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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$322
(Delta)

One-way from

$159
(Delta)

Popular in

December

Cheapest in

February

Average price

$287
Provider with most accurate pricing for Los Angeles-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-New York (NYC) flights.
Search Deals
From Ontario to Westchester County
Search Deals
One-way flight from Ontario to Westchester County
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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

Tue 2/10

10:30 pm-9:44 am

1 stop8h 14m

White Plains Westchester County

Wed 2/18

12:56 pm-9:05 pm

1 stop11h 09m

$317

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 2/25

10:20 pm-9:43 am

1 stop8h 23m

White Plains Westchester County

Mon 3/2

3:15 pm-11:49 pm

2 stops11h 34m

$322

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 2/10

10:30 pm-9:44 am

1 stop8h 14m

White Plains Westchester County

Tue 2/17

3:15 pm-11:49 pm

2 stops11h 34m

$332

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 5/5

10:15 pm-9:47 am

1 stop8h 32m

White Plains Westchester County

Tue 5/19

3:15 pm-11:44 pm

2 stops11h 29m

$342

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sun 2/15

10:20 pm-9:43 am

1 stop8h 23m

White Plains Westchester County

Wed 2/18

12:56 pm-9:05 pm

1 stop11h 09m

$348

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 4/1

10:25 pm-9:44 am

1 stop8h 19m

White Plains Westchester County

Thu 4/2

3:13 pm-11:51 pm

2 stops11h 38m

$353

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Thu 2/19

10:20 pm-9:43 am

1 stop8h 23m

White Plains Westchester County

Sun 2/22

6:00 am-12:02 pm

1 stop9h 02m

$358

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Sun 2/15

10:20 pm-9:43 am

1 stop8h 23m

White Plains Westchester County

Tue 2/17

3:15 pm-11:49 pm

2 stops11h 34m

$363

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Tue 6/16

5:05 pm-9:52 am

2 stops13h 47m

White Plains Westchester County

Tue 6/23

3:15 pm-11:44 pm

2 stops11h 29m

$369

OntarioWhite Plains

ONT - HPN

ONTHPN

Ontario

Wed 2/11

10:30 pm-9:43 am

1 stop8h 13m

White Plains Westchester County

Wed 2/18

12:56 pm-9:05 pm

1 stop11h 09m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 19 results
1
2

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 $316). 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 January 21, 2026.
Read reviews from past customers who have flown Delta 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
8,089 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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
8,089 reviews
Delta
7.9
Good
8,089 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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 14m. 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, 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 $316). 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 Ontario to Westchester County

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to Westchester County

Discover the top airline 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$184Average$398FlexibilityNo cancel feeOn-timeN/A

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