$526 Cheap Flights from Kaohsiung (KHH) to Ontario (ONT)

View $526 flight on Fri, Oct 10, 2025Opens in a new window

Popular airlines from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT)

Cheap Flights from Kaohsiung to Ontario (KHH-ONT)

Prices were available within the past 7 days and start at $526 for one-way flights and $2,869 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Fri, Oct 31 - Tue, Nov 18
KHH
Kaohsiung
ONT
Ontario
$2,869 Roundtrip, found 6 days ago
$2,869
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Fri, Oct 31 from Kaohsiung to Ontario, returning Tue, Nov 18, priced at $2,869 found 6 days ago
Korean Air
Tue, Jan 6 - Tue, Jan 13
KHH
Kaohsiung
ONT
Ontario
$3,006 Roundtrip, found 4 days ago
$3,006
Roundtrip
found 4 days ago
Select Korean Air flight, departing Tue, Jan 6 from Kaohsiung to Ontario, returning Tue, Jan 13, priced at $3,006 found 4 days ago
Flights from Kaohsiung (KHH) to Ontario (ONT)
Origin airport
Kaohsiung Intl.
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
$2,868
Distance
6979 mi

Kaohsiung to Ontario Flights

The cheapest times to fly from Kaohsiung to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kaohsiung to Ontario are during the month of October. You can find some of the cheapest flights from Kaohsiung to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kaohsiung to Ontario

Sunday is one of the best days to book for cheap flights from Kaohsiung to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kaohsiung to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kaohsiung to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $526 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kaohsiung to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kaohsiung to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Grab a cheap one-way flight from $526 or cheap return flight from $2,869 from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT)?
Traveling in October is a great way to save, as it's the cheapest month for flights between KHH and ONT. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from KHH to ONT. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT)?
There are no daily nonstop flights from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from KHH to ONT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid potential delays on the Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute fares from KHH to ONT are typically more expensive. To lock in the lowest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a KHH to ONT flight and hotel package?
Compared with arranging flights and hotels separately, booking a KHH to ONT flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Kaohsiung Intl. Airport (KHH) to Los Angeles - Ontario Intl. Airport (ONT)?
It's generally possible to cancel or reschedule your KHH to ONT flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.