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Kaohsiung

$934+ Cheap flights from Ontario (ONT) to Kaohsiung

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KHH
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Find flight deals from Ontario to Kaohsiung

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

This United Airlines deal was found by Cheapflights users on 11/12. 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 11/185:05 amONT - KHH
3 stops48h 15mUnited Airlines
Thu 11/2711:30 amKHH - ONT
2 stops22h 04mUnited Airlines
Deal found 11/12$934
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Wed 11/195:05 amONT - KHH
2 stops24h 15mUnited Airlines
Fri 11/2811:30 amKHH - ONT
2 stops25h 14mUnited Airlines
Deal found 11/10$1,116
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Mon 11/175:05 amONT - KHH
2 stops24h 15mUnited Airlines
Wed 11/2611:30 amKHH - ONT
2 stops27h 21mUnited Airlines
Deal found 11/12$1,313
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 11/205:05 amONT - KHH
2 stops24h 15mUnited Airlines
Thu 11/2711:30 amKHH - ONT
2 stops22h 04mUnited Airlines
Deal found 11/10$1,411
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 11/205:05 amONT - KHH
2 stops24h 15mUnited Airlines
Fri 11/2811:30 amKHH - ONT
2 stops17h 07mUnited Airlines
Deal found 11/12$1,536

Cheap flight deals from Ontario to Kaohsiung

Keep the following information in mind while searching for Ontario to Kaohsiung flight deals. Data was last updated November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,693
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$739
Provider with most accurate pricing for Los Angeles-Kaohsiung City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Kaohsiung City flights.
Search Deals
From Ontario to Kaohsiung
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

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

Fly from

Ontario

Fly to

Kaohsiung

Route

Depart

Return

Price

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sun 4/26

6:53 pm-9:00 pm

2 stops35h 07m

Kaohsiung City

Wed 4/29

10:25 am-5:47 pm

2 stops22h 22m

$1,693

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 12/22

6:38 am-2:15 pm

2 stops39h 37m

Kaohsiung City

Wed 12/31

7:05 am-5:08 pm

2 stops26h 03m

$2,888

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 12/22

6:38 am-2:15 pm

2 stops39h 37m

Kaohsiung City

Mon 12/29

7:05 am-5:08 pm

2 stops26h 03m

$2,888

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 12/22

6:38 am-2:15 pm

2 stops39h 37m

Kaohsiung City

Tue 12/30

7:05 am-5:08 pm

2 stops26h 03m

$2,888

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Best time to book a flight from Ontario to Kaohsiung

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

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Kaohsiung (average of $541). Flying from Ontario to Kaohsiung in May is currently the most expensive (average of $1,231). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kaohsiung. 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 from for flights from Ontario to Kaohsiung?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Kaohsiung. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Kaohsiung?

    For as low as $1,693, United Airlines can have you in Kaohsiung from Ontario in 35h 07m. Ontario and Kaohsiung are separated by a distance of 6975 mi.

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

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

  • How can I find direct flights from Ontario to Kaohsiung?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Kaohsiung 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 Ontario to Kaohsiung?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Kaohsiung (average of $541). Flying from Ontario to Kaohsiung in May is currently the most expensive (average of $1,231). 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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