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$730+ Cheap flights from Kaohsiung to Ontario (ONT)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
KHH — ONT
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Kaohsiung to Ontario

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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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 1/1711:30 amKHH - ONT
3 stops25h 28mUnited Airlines
Sat 1/246:32 pmONT - KHH
2 stops34h 48mUnited Airlines
Deal found 12/3$760
This United Airlines deal was found by Cheapflights users on 12/4. 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 1/1811:30 amKHH - ONT
3 stops41h 17mUnited Airlines
Sun 1/256:39 pmONT - KHH
2 stops34h 41mUnited Airlines
Deal found 12/4$844
This United Airlines deal was found by Cheapflights users on 12/3. 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 2/2811:30 amKHH - ONT
3 stops41h 13mUnited Airlines
Wed 3/46:00 amONT - KHH
2 stops23h 20mUnited Airlines
Deal found 12/3$889
This United Airlines deal was found by Cheapflights users on 12/4. 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 1/1211:30 amKHH - ONT
2 stops25h 28mUnited Airlines
Mon 1/195:05 amONT - KHH
3 stops48h 15mUnited Airlines
Deal found 12/4$892
This United Airlines deal was found by Cheapflights users on 12/4. 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 1/1211:30 amKHH - ONT
2 stops25h 28mUnited Airlines
Tue 1/136:32 pmONT - KHH
2 stops34h 48mUnited Airlines
Deal found 12/4$892

Find flight deals from Kaohsiung to Ontario

Keep the following information in mind while searching for Kaohsiung to Ontario flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$760
(United Airlines)

One-way from

$730
(United Airlines)

Popular in

August

Cheapest in

November

Average price

$913
Provider with most accurate pricing for Kaohsiung City-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kaohsiung City-Los Angeles flights.
Search Deals
From Kaohsiung to Ontario
Search Deals
One-way flight from Kaohsiung to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 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 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 December 4, 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

Sat 1/17

11:30 am-8:58 pm

3 stops25h 28m

Ontario

Sat 1/24

6:32 pm-9:20 pm

2 stops34h 48m

$760

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Sun 1/18

11:30 am-12:47 pm

3 stops41h 17m

Ontario

Sun 1/25

6:39 pm-9:20 pm

2 stops34h 41m

$844

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Sat 2/28

11:30 am-12:43 pm

3 stops41h 13m

Ontario

Wed 3/4

6:00 am-9:20 pm

2 stops23h 20m

$889

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Mon 1/12

11:30 am-8:58 pm

2 stops25h 28m

Ontario

Mon 1/19

5:05 am-9:20 pm

3 stops48h 15m

$892

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Mon 1/12

11:30 am-8:58 pm

2 stops25h 28m

Ontario

Tue 1/13

6:32 pm-9:20 pm

2 stops34h 48m

$892

Kaohsiung CityOntario

KHH - ONT

KHHONT

Kaohsiung City

Mon 1/12

11:30 am-12:47 pm

2 stops41h 17m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

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 25h 28m. 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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