HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — ONT
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from White Plains to Ontario 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 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 julio 1, 2025.

Round-trip from

$337
(Delta)

One-way from

$169
(Delta)

Popular in

December

Cheapest in

May

Average price

$362
From White Plains Westchester County to Ontario
Search Deals
One-way flight from White Plains Westchester County to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 julio 1, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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.
mar. 7/226:00 amHPN - ONT
1 stop7h 30mDelta
sáb. 7/2611:40 amONT - HPN
1 stop7h 44mDelta
Deal found 7/1$337
This American Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 8/197:47 amHPN - ONT
2 stops13h 05mAmerican Airlines
mié. 8/2710:29 pmONT - HPN
1 stop8h 00mAmerican Airlines
Deal found 7/1$362

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 julio 1, 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

mar. 7/22

6:00 am-10:30 am

1 stop7h 30m

Ontario

sáb. 7/26

11:40 am-10:24 pm

1 stop7h 44m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

mar. 8/19

7:47 am-5:52 pm

2 stops13h 05m

Ontario

mié. 8/27

10:29 pm-9:29 am

1 stop8h 00m

$362

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

mar. 7/29

6:00 am-10:30 am

1 stop7h 30m

$169

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

mié. 10/15

1:30 pm-9:23 pm

1 stop10h 53m

$189

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

mar. 7/22

7:26 am-6:04 pm

2 stops13h 38m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 julio 1, 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.

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 julio 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and American Airlines from White Plains to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

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

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

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

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

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), and American Airlines ($362) 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 $189 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

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 White Plains to Ontario

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

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 julio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$416FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$336Average$387FlexibilityNo 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.