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Kaohsiung

$405+ Cheap flights from Ontario (ONT) to Kaohsiung

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KHH
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Ontario to Kaohsiung

Best flights from Ontario to Kaohsiung
Discover carefully curated flight deals from Ontario to Kaohsiung that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This United Airlines deal was found by Cheapflights users on 12/26. 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 1/126:00 amONT - KHH
2 stops23h 20mUnited Airlines
Tue 1/2011:30 amKHH - ONT
2 stops27h 23mUnited Airlines
Deal found 12/26$798
This United Airlines deal was found by Cheapflights users on 12/26. 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 1/136:00 amONT - KHH
2 stops23h 20mUnited Airlines
Tue 1/2011:30 amKHH - ONT
2 stops27h 23mUnited Airlines
Deal found 12/26$798
This United Airlines deal was found by Cheapflights users on 12/26. 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 1/131:53 pmONT - KHH
2 stops39h 27mUnited Airlines
Fri 1/2311:30 amKHH - ONT
3 stops41h 17mUnited Airlines
Deal found 12/26$813
This United Airlines deal was found by Cheapflights users on 12/26. 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 1/76:00 amONT - KHH
2 stops23h 20mUnited Airlines
Wed 1/2111:30 amKHH - ONT
2 stops22h 13mUnited Airlines
Deal found 12/26$1,065
This United Airlines deal was found by Cheapflights users on 12/26. 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 1/146:00 amONT - KHH
2 stops23h 20mUnited Airlines
Mon 1/2611:30 amKHH - ONT
2 stops22h 13mUnited Airlines
Deal found 12/26$1,065
This United Airlines deal was found by Cheapflights users on 12/26. 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 1/146:00 amONT - KHH
2 stops23h 20mUnited Airlines
Thu 1/2211:30 amKHH - ONT
2 stops22h 13mUnited Airlines
Deal found 12/26$1,065
This United Airlines deal was found by Cheapflights users on 12/26. 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 1/76:00 amONT - KHH
2 stops23h 20mUnited Airlines
Thu 1/2211:30 amKHH - ONT
2 stops22h 13mUnited Airlines
Deal found 12/26$1,065
This United Airlines deal was found by Cheapflights users on 12/28. 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 1/136:00 amONT - KHH
2 stops23h 20mUnited Airlines
Wed 1/2111:30 amKHH - ONT
2 stops22h 13mUnited Airlines
Deal found 12/28$1,065
This United Airlines deal was found by Cheapflights users on 12/26. 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 1/126:00 amONT - KHH
2 stops23h 20mUnited Airlines
Thu 1/2211:30 amKHH - ONT
2 stops22h 13mUnited Airlines
Deal found 12/26$1,065

Find flight deals from Ontario to Kaohsiung

Keep the following information in mind while searching for Ontario to Kaohsiung flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$798
(United Airlines)

One-way from

$405
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$1,841
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
One-way flight from Ontario to Kaohsiung
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($218 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 December 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 December 28, 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

Mon 1/12

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Tue 1/20

11:30 am-10:53 pm

2 stops27h 23m

$798

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 1/13

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Tue 1/20

11:30 am-10:53 pm

2 stops27h 23m

$798

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 1/13

1:53 pm-9:20 pm

2 stops39h 27m

Kaohsiung City

Fri 1/23

11:30 am-12:47 pm

3 stops41h 17m

$813

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 1/7

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Wed 1/21

11:30 am-5:43 pm

2 stops22h 13m

$1,065

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 1/14

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Mon 1/26

11:30 am-5:43 pm

2 stops22h 13m

$1,065

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 1/14

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Thu 1/22

11:30 am-5:43 pm

2 stops22h 13m

$1,065

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 1/7

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Thu 1/22

11:30 am-5:43 pm

2 stops22h 13m

$1,065

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 1/13

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Wed 1/21

11:30 am-5:43 pm

2 stops22h 13m

$1,065

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 1/12

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Thu 1/22

11:30 am-5:43 pm

2 stops22h 13m

$1,065

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Fri 1/2

5:05 am-9:20 pm

2 stops24h 15m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 12 results
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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 June is currently the most expensive (average of $1,080). 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 $798, United Airlines can have you in Kaohsiung from Ontario in 23h 20m. 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 June is currently the most expensive (average of $1,080). 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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