How long is the flight from Kaohsiung to Ontario?

Airlines like United Airlines fly from Kaohsiung to Ontario in about 22h 12m. The time it takes to get you to your destination can typically vary by up to . The distance from Kaohsiung to Ontario is about 6975 mi.

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

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

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.

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).

What is the cheapest month to fly from Kaohsiung to Ontario?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, June can be a great choice for travel to Ontario. Flights to Ontario from Kaohsiung in June are about $911 on average during June, but can be found for as low as $680.

What is the cheapest time of day to fly from KHH to ONT?

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

What airport do you fly into for flights to Ontario from Kaohsiung?

Most people fly into Ontario (ONT) if they book a flight to Ontario from Kaohsiung. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

Can I find deals for flights from Kaohsiung to Ontario that include hotel bookings?

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

How can I find direct flights from Kaohsiung to Ontario?

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

Can I find deals for business class flights from Kaohsiung to Ontario?

Yes. Cheapflights offers flight deals from Kaohsiung 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.

$718+ Flights from Kaohsiung to Ontario

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Cheap flight deals from Kaohsiung to Ontario

Round-trip from	$718 (United Airlines)
Popular in	February
Cheapest in	June
Average price	$1,121

From Kaohsiung to Ontario

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Kaohsiung to Ontario

Cheapest flights from Kaohsiung to Ontario
Explore the most affordable flight options available from Kaohsiung to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

Wed 9/1710:25 amKHH - ONT

2 stops22h 12mUnited Airlines

Sun 9/216:38 pmONT - KHH

3 stops59h 22mUnited Airlines

Deal found 8/21

$718

Sun 10/510:25 amKHH - ONT

2 stops24h 59mUnited Airlines

Sun 10/125:05 amONT - KHH

3 stops48h 55mUnited Airlines

Deal found 8/21

$773

Sat 10/410:25 amKHH - ONT

3 stops41h 26mUnited Airlines

Sat 10/111:15 pmONT - KHH

2 stops40h 45mUnited Airlines

Deal found 8/20

$1,190

Best flights from Kaohsiung to Ontario
Discover carefully curated flight deals from Kaohsiung to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2025.

Wed 9/1710:25 amKHH - ONT

2 stops22h 12mUnited Airlines

Sun 9/216:38 pmONT - KHH

3 stops59h 22mUnited Airlines

Deal found 8/21

$718

Sun 10/510:25 amKHH - ONT

3 stops41h 26mUnited Airlines

Sun 10/126:27 pmONT - KHH

3 stops35h 33mUnited Airlines

Deal found 8/21

$773

Last-minute flights from Kaohsiung to Ontario
Discover last-minute flight deals from Kaohsiung to Ontario. Data last updated August 21, 2025 and is based on user searches.

Wed 9/1710:25 amKHH - ONT

2 stops22h 12mUnited Airlines

Sun 9/216:38 pmONT - KHH

3 stops59h 22mUnited Airlines

Deal found 8/21

$718

Fly from

Fly to

Route

Depart

Return

Price

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Wed 9/17

10:25 am-5:37 pm

2 stops22h 12m

Ontario

Sun 9/21

6:38 pm-9:00 pm

3 stops59h 22m

$718

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Sun 10/5

10:25 am-12:51 pm

3 stops41h 26m

Ontario

Sun 10/12

6:27 pm-9:00 pm

3 stops35h 33m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Best time to book a flight from Kaohsiung to Ontario

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

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Ontario from Kaohsiung?
Most people fly into Ontario (ONT) if they book a flight to Ontario from Kaohsiung. Ontario is conveniently located just 3.1 mi from Ontario’s city center.
How long is the flight from Kaohsiung to Ontario?
Airlines like United Airlines fly from Kaohsiung to Ontario in about 22h 12m. The time it takes to get you to your destination can typically vary by up to . The distance from Kaohsiung to Ontario is about 6975 mi.
Can I find deals for flights from Kaohsiung to Ontario that include hotel bookings?
Yes. In addition to deals on Kaohsiung to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kaohsiung to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaohsiung to Ontario.
Can I find deals for business class flights from Kaohsiung to Ontario?
Yes. Cheapflights offers flight deals from Kaohsiung 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 Kaohsiung to Ontario?
Currently, August is the cheapest month in which you can book a flight from Kaohsiung to Ontario (average of $246). Flying from Kaohsiung 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.

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$718+ Cheap flights from Kaohsiung to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kaohsiung to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kaohsiung to Ontario

Keep the following information in mind while searching for Kaohsiung to Ontario flight deals. Data was last updated August 21, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Kaohsiung to Ontario

Cheapest flights from Kaohsiung to OntarioExplore the most affordable flight options available from Kaohsiung to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

Explore the most affordable flight options available from Kaohsiung to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kaohsiung to Ontario that are best for you.

Best time to book a flight from Kaohsiung to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kaohsiung with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kaohsiung to Ontario

Related info for your journey

Find useful and relevant information for your journey from Kaohsiung 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 Kaohsiung?

How long is the flight from Kaohsiung to Ontario?

Can I find deals for flights from Kaohsiung to Ontario that include hotel bookings?

How can I find direct flights from Kaohsiung to Ontario?

Can I find deals for business class flights from Kaohsiung to Ontario?

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

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Cheapest flights from Kaohsiung to Ontario
Explore the most affordable flight options available from Kaohsiung to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.