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$149+ Cheap flights from Westchester County to Ontario (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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — ONT
Mar 10 — Mar 171
Mon 3/10
Mon 3/17
1 adult, Economy
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Cheap flight deals from Westchester County to Ontario

Keep the following information in mind while searching for Westchester County to Ontario flight deals. Data was last updated March 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$243
(American Airlines)

One-way from

$149
(Delta)

Popular in

December

Cheapest in

September

Average price

$381
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From Westchester County to Ontario
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One-way flight from Westchester County to Ontario
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Westchester County to Ontario

Cheapest flights from Westchester County to Ontario
Explore the most affordable flight options available from Westchester County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2025.

This American Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/221:35 pmHPN - ONT
1 stop10h 24mAmerican Airlines
Tue 4/2910:40 pmONT - HPN
1 stop7h 49mAmerican Airlines
Deal found 3/5$243
This Delta deal was found by Cheapflights users on 3/3. 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 4/233:00 pmHPN - ONT
1 stop10h 36mDelta
Mon 4/2810:15 pmONT - HPN
1 stop8h 29mDelta
Deal found 3/3$297
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/2212:00 pmHPN - ONT
2 stops25h 51mAlaska Airlines
Tue 4/2911:46 amONT - HPN
3 stops29h 37mAlaska Airlines
Deal found 3/5$738

Find flights from Westchester County to Ontario within your budget

Customize your flight search to find flights from Westchester County 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 March 5, 2025.

Fly from

Westchester County

Fly to

Ontario

Route

Depart

Return

Price

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 4/22

1:35 pm-8:59 pm

1 stop10h 24m

Ontario

Tue 4/29

10:40 pm-9:29 am

1 stop7h 49m

$243

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 4/23

3:00 pm-10:36 pm

1 stop10h 36m

Ontario

Mon 4/28

10:15 pm-9:44 am

1 stop8h 29m

$297

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 4/22

12:00 pm-10:51 am

2 stops25h 51m

Ontario

Tue 4/29

11:46 am-8:23 pm

3 stops29h 37m

$738

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 4/22

6:00 am-10:57 am

1 stop7h 57m

$149

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 3/25

1:35 pm-10:27 pm

2 stops11h 52m

$219

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Thu 3/13

12:00 pm-11:58 pm

2 stops14h 58m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Best time to book a flight from Westchester County to Ontario

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

Travel insights for flights from Westchester County to Ontario

Get recent, data-driven insights about flights from Westchester County to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Westchester County to Ontario (average of $246). Flying from Westchester County to Ontario in March is currently the most expensive (average of $313). 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 REU to ONT?

Find hourly flight availability from Westchester County 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 March 5, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Westchester County to Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 March 5, 2025.
Read through reviews of airlines operating flights from Westchester County to Ontario, such as Alaska Airlines, Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,711 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,711 reviews
Alaska Airlines
8.0
Very good
9,711 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,044 reviews
Alaska Airlines
8.0
Very good
9,711 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,711 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from Westchester County to Ontario. 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 into for flights to Ontario from Westchester County?

    For a flight from Westchester County to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • What are the cheapest airlines to fly from Westchester County to Ontario one-way?

    One-way options have recently been found by users for as low as $149 on Delta. Other airlines that offer cheap prices include American Airlines from $219 and Alaska Airlines from $342 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Westchester County to Ontario (average of $246). Flying from Westchester County to Ontario in March is currently the most expensive (average of $313). 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 Westchester County to Ontario

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Top airline flying from Westchester County to Ontario

Discover the top airline that operate flights from Westchester County 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 March 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$437FlexibilityNo cancel feeOn-timeN/A
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