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$169+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — ONT
May 10 — May 171
Cmt 5/10
Cmt 5/17
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 Mayıs 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$347
(Delta)

One-way from

$169
(Delta)

Popular in

December

Cheapest in

September

Average price

$357
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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. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in May 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 Mayıs 5, 2025.

This Delta deal was found by Cheapflights users on 5/4. 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.
Cum 8/153:15 pmHPN - ONT
1 stop10h 14mDelta
Sal 8/1910:59 pmONT - HPN
1 stop10h 16mDelta
Deal found 5/4$347
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Çar 7/96:37 amHPN - ONT
2 stops12h 37mAmerican Airlines
Cmt 7/1210:28 pmONT - HPN
1 stop7h 51mAmerican Airlines
Deal found 5/5$384
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Cum 5/307:15 amHPN - ONT
2 stops14h 10mAlaska Airlines
Sal 6/37:20 pmONT - HPN
2 stops13h 09mAlaska Airlines
Deal found 5/4$522

Cheapflights Fare Finder

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 Mayıs 5, 2025.
Use the filters below to find and compare flights from Westchester County to Ontario that are best for you.

Fly from

Westchester County

Fly to

Ontario

Route

Depart

Return

Price

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Cum 8/15

3:15 pm-10:29 pm

1 stop10h 14m

Ontario

Sal 8/19

10:59 pm-12:15 pm

1 stop10h 16m

$347

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Çar 7/9

6:37 am-4:14 pm

2 stops12h 37m

Ontario

Cmt 7/12

10:28 pm-9:19 am

1 stop7h 51m

$384

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Cum 5/30

7:15 am-6:25 pm

2 stops14h 10m

Ontario

Sal 6/3

7:20 pm-11:29 am

2 stops13h 09m

$522

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Çar 10/15

12:59 pm-7:42 pm

1 stop9h 43m

$169

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Sal 6/10

5:29 pm-11:59 pm

2 stops9h 30m

$259

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Per 5/29

7:15 am-3:50 pm

2 stops11h 35m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

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.

Cheapflights Insights

Everything you need to know about your flight from Westchester County to Ontario

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 $328). 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 Mayıs 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 Mayıs 5, 2025.
Alaska Airlines
8.0
Very good
9,985 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,985 reviews
Alaska Airlines
8.0
Very good
9,985 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,941 reviews
Alaska Airlines
8.0
Very good
9,985 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,985 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $169 on Delta. Other airlines that offer cheap prices include American Airlines from $259 and Alaska Airlines from $264 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 $328). 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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Top 2 airlines flying from Westchester County to Ontario

Discover the top 2 airlines 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 Mayıs 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$315Average$387FlexibilityNo cancel feeOn-time71%

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