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$992+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
KHH — ONT
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$992
(United Airlines)

Popular in

January

Cheapest in

November

Average price

$891
Provider with most accurate pricing for Kaohsiung City-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Kaohsiung City-Los Angeles flights.
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From Kaohsiung to Ontario
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Highest demand for flights based on searches. 13% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:30 amKHH - ONT
2 stops27h 21mUnited Airlines
Sun 11/231:40 pmONT - KHH
2 stops39h 40mUnited Airlines
Deal found 10/16$1,280
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:30 amKHH - ONT
2 stops17h 07mUnited Airlines
Tue 12/166:00 amONT - KHH
2 stops23h 20mUnited Airlines
Deal found 10/15$5,166

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kaohsiung 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 October 16, 2025.
Use the filters below to find and compare flights from Kaohsiung to Ontario that are best for you.

Fly from

Kaohsiung

Fly to

Ontario

Route

Depart

Return

Price

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Tue 2/17

11:30 am-12:43 pm

3 stops41h 13m

Ontario

Sat 2/21

1:00 pm-9:20 pm

3 stops64h 20m

$992

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Sun 11/16

11:30 am-10:51 pm

2 stops27h 21m

Ontario

Sun 11/23

1:40 pm-9:20 pm

2 stops39h 40m

$1,280

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Tue 11/11

11:30 am-12:37 pm

2 stops17h 07m

Ontario

Tue 12/16

6:00 am-9:20 pm

2 stops23h 20m

$5,166

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Tue 2/10

11:30 am-5:43 pm

2 stops22h 13m

Ontario

Fri 2/20

6:00 am-9:20 pm

2 stops23h 20m

$5,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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

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?

    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 41h 13m. 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.

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