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$169+ Cheap flights from White Plains to Ontario (HPN - 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from White Plains to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from White Plains (HPN) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$337
(Delta)

One-way from

$169
(Delta)

Popular in

December

Cheapest in

May

Average price

$437
From White Plains Westchester County to Ontario
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One-way flight from White Plains Westchester County to Ontario
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Highest demand for flights based on searches. 8% potential increase in price ($35 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 June 2025
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Find flight deals from White Plains to Ontario

Cheapest flights from White Plains to Ontario
Explore the most affordable flight options available from White Plains to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 9/1012:45 pmHPN - ONT
1 stop9h 26mDelta
mar. 9/1610:59 pmONT - HPN
1 stop10h 12mDelta
Deal found 6/11$337
This American Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 8/221:31 pmHPN - ONT
1 stop10h 41mAmerican Airlines
dom. 8/3110:29 pmONT - HPN
1 stop8h 00mAmerican Airlines
Deal found 6/11$377
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 7/2612:01 pmHPN - ONT
2 stops15h 12mAlaska Airlines
sáb. 8/26:51 pmONT - HPN
2 stops13h 38mAlaska Airlines
Deal found 6/11$859

Cheapflights Fare Finder

Customize your flight search to find flights from White Plains 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 junio 12, 2025.
Use the filters below to find and compare flights from White Plains to Ontario that are best for you.

Fly from

White Plains

Fly to

Ontario

Route

Depart

Return

Price

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

mié. 9/10

12:45 pm-7:11 pm

1 stop9h 26m

Ontario

lun. 9/15

10:59 pm-12:11 pm

1 stop10h 12m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

vie. 8/22

1:31 pm-9:12 pm

1 stop10h 41m

Ontario

dom. 8/31

10:29 pm-9:29 am

1 stop8h 00m

$377

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

sáb. 7/26

12:01 pm-12:13 am

2 stops15h 12m

Ontario

sáb. 8/2

6:51 pm-11:29 am

2 stops13h 38m

$859

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

mar. 7/22

4:23 pm-10:27 pm

1 stop9h 04m

$169

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

mié. 10/15

5:25 pm-12:02 am

2 stops9h 37m

$174

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

sáb. 7/19

12:01 pm-12:13 am

2 stops15h 12m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from White Plains to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from White Plains 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 White Plains to Ontario

What is the cheapest month to book a flight from White Plains to Ontario?

Currently, August is the cheapest month in which you can book a flight from White Plains to Ontario (average of $246). Flying from White Plains 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 HPN to ONT?

Find hourly flight availability from White Plains 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 junio 12, 2025.

It’s typically best to fly out from White Plains to Ontario in the afternoon. Doing so could potentially save you 7% on the flight price compared to flying at noon, which is usually more expensive.

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 junio 12, 2025.
To help decide which airline to fly from White Plains to Ontario, see what other customers have to say about Alaska Airlines, Delta and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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

  • What are the cheapest airlines flying from White Plains to Ontario round-trip?

    According to our current data, Delta ($337), American Airlines ($377), and Alaska Airlines ($859) offers the cheapest pricing from White Plains to Ontario. Delta is 13% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from White Plains 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 $174 and Alaska Airlines from $512 one-way.

  • Can I find deals for flights from White Plains to Ontario that include hotel bookings?

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

  • How can I find direct flights from White Plains to Ontario?

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

  • Can I find deals for business class flights from White Plains to Ontario?

    Yes. Cheapflights offers flight deals from White Plains 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 White Plains to Ontario?

    Currently, August is the cheapest month in which you can book a flight from White Plains to Ontario (average of $246). Flying from White Plains 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 White Plains to Ontario

Discover the top 2 airlines that operate flights from White Plains 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$336Average$387FlexibilityNo cancel feeOn-time71%

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