Kaohsiung

$450+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KHH
Aug 25 — Sep 11
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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 August 20, 2025.

Round-trip from

$935
(United Airlines)

One-way from

$450
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$1,032
From Ontario to Kaohsiung
One-way flight from Ontario to Kaohsiung
Highest demand for flights based on searches. 12% potential increase in price ($159 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($89 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/19. 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 8/206:00 amONT - KHH
2 stops24h 00mUnited Airlines
Wed 8/2710:25 amKHH - ONT
2 stops22h 12mUnited Airlines
Deal found 8/19$785
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/246:00 amONT - KHH
2 stops24h 00mUnited Airlines
Wed 10/1510:25 amKHH - ONT
2 stops22h 15mUnited Airlines
Deal found 8/18$935
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/214:15 pmONT - KHH
3 stops37h 45mUnited Airlines
Sat 10/2510:25 amKHH - ONT
2 stops27h 27mUnited Airlines
Deal found 8/18$1,092
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/25:05 amONT - KHH
2 stops24h 55mUnited Airlines
Thu 10/910:25 amKHH - ONT
2 stops22h 15mUnited Airlines
Deal found 8/18$1,212
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 10/46:51 pmONT - KHH
2 stops35h 09mUnited Airlines
Sat 10/1110:25 amKHH - ONT
3 stops41h 26mUnited Airlines
Deal found 8/19$1,250
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:45 amONT - KHH
2 stops22h 30mMultiple Airlines
Wed 8/2710:15 amKHH - ONT
2 stops23h 25mMultiple Airlines
Deal found 8/19$1,529
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:10 amONT - KHH
2 stops30h 35mChina Airlines
Wed 10/157:15 amKHH - ONT
2 stops25h 45mChina Airlines
Deal found 8/18$4,584

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 August 20, 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

Wed 9/24

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Wed 10/15

10:25 am-5:40 pm

2 stops22h 15m

$935

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 10/21

4:15 pm-9:00 pm

3 stops37h 45m

Kaohsiung City

Sat 10/25

10:25 am-10:52 pm

2 stops27h 27m

$1,092

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 10/2

5:05 am-9:00 pm

2 stops24h 55m

Kaohsiung City

Thu 10/9

10:25 am-5:40 pm

2 stops22h 15m

$1,212

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 10/4

6:51 pm-9:00 pm

2 stops35h 09m

Kaohsiung City

Sat 10/11

10:25 am-12:51 pm

3 stops41h 26m

$1,250

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 9/3

6:00 am-9:00 pm

2 stops24h 00m

$450

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 9/4

5:10 am-9:00 pm

2 stops24h 50m

$450

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 9/2

6:00 am-9:00 pm

2 stops24h 00m

$458

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 9/2

12:45 am-5:55 pm

2 stops26h 10m

$610

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 9/1

12:45 am-7:00 pm

2 stops27h 15m

$616

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 9/3

12:45 am-2:15 pm

2 stops22h 30m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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
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 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 $935, United Airlines can have you in Kaohsiung from Ontario in 24h. 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.

See more FAQs

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