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Kaohsiung City

$1,245+ Cheap flights from Ontario (ONT) to Kaohsiung City (KHH)

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KHH
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Ontario to Kaohsiung City

Cheapest flights from Ontario to Kaohsiung City
Explore the most affordable flight options available from Ontario to Kaohsiung City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sat 11/221:29 pmONT - KHH
2 stops39h 51mUnited Airlines
Fri 12/1211:30 amKHH - ONT
2 stops22h 07mUnited Airlines
Deal found 11/4$2,198
This Korean Air deal was found by Cheapflights users on 11/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:45 amONT - KHH
2 stops39h 30mMultiple Airlines
Sun 11/307:05 amKHH - ONT
2 stops32h 47mMultiple Airlines
Deal found 11/5$2,825
This Korean Air deal was found by Cheapflights users on 11/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:45 amONT - KHH
2 stops39h 30mMultiple Airlines
Sun 11/307:05 amKHH - ONT
2 stops32h 47mMultiple Airlines
Deal found 11/5$5,125
This oojo deal was found by Cheapflights users on 11/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:50 pmONT - KHH
2 stops31h 45mChina Airlines
Fri 12/128:40 amKHH - ONT
2 stops24h 10mChina Airlines
Deal found 11/4$5,405

Cheap flight deals from Ontario to Kaohsiung City

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kaohsiung City (KHH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,691
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$873
Provider with most accurate pricing for Ontario-Kaohsiung City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Kaohsiung City flights.
Search Deals
From Ontario to Kaohsiung City
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($76 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 City 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 6, 2025.
Use the filters below to find and compare flights from Ontario to Kaohsiung City that are best for you.

Fly from

Ontario

Fly to

Kaohsiung City

Route

Depart

Return

Price

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sun 1/25

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Sun 2/8

11:30 am-10:53 pm

2 stops27h 23m

$1,245

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 1/28

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Sun 2/8

11:30 am-10:53 pm

2 stops27h 23m

$1,296

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 1/19

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Sun 2/8

11:30 am-10:53 pm

2 stops27h 23m

$1,395

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sun 4/26

4:15 pm-9:00 pm

3 stops37h 45m

Kaohsiung City

Wed 4/29

10:25 am-5:47 pm

2 stops22h 22m

$1,691

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 11/22

1:29 pm-9:20 pm

2 stops39h 51m

Kaohsiung City

Fri 12/12

11:30 am-5:37 pm

2 stops22h 07m

$2,198

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Fri 3/13

6:45 am-2:15 pm

2 stops40h 30m

Kaohsiung City

Sun 3/29

7:05 am-5:15 pm

2 stops25h 10m

$2,825

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Compare providers for flights from Ontario to Kaohsiung City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Kaohsiung City in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Kaohsiung City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Kaohsiung City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Kaohsiung City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Kaohsiung City flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Kaohsiung City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Kaohsiung City

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

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Kaohsiung City (average of $551). Flying from Ontario to Kaohsiung City 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 City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Kaohsiung City?

    Departing from Ontario to Kaohsiung City will take you 23h 20m. The distance from Ontario to Kaohsiung City is about 6975 mi.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Ontario to Kaohsiung City (average of $551). Flying from Ontario to Kaohsiung City 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.

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