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Cheap flights from Ontario to Kaohsiung City from $867

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Kaohsiung City departing on 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Kaohsiung City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:05 am - 9:20 pmONT-KHH
24h 15m2 stops
United Airlines Logo
11:30 am - 12:37 pmKHH-ONT
17h 07m2 stops
$867United Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
United Airlines Logo
5:05 am - 9:20 pmONT-KHH
24h 15m2 stops
United Airlines Logo
11:30 am - 8:44 pmKHH-ONT
25h 14m3 stops
$872United Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
United Airlines Logo
5:05 am - 9:20 pmONT-KHH
48h 15m3 stops
United Airlines Logo
11:30 am - 8:44 pmKHH-ONT
25h 14m3 stops
$1,139United Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
United Airlines Logo
6:00 am - 9:20 pmONT-KHH
23h 20m2 stops
United Airlines Logo
11:30 am - 12:18 pmKHH-ONT
16h 48m2 stops
$1,265United Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
United Airlines Logo
6:00 am - 9:20 pmONT-KHH
23h 20m2 stops
United Airlines Logo
11:30 am - 12:18 pmKHH-ONT
16h 48m2 stops
$1,387United Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
United Airlines Logo
6:00 am - 9:20 pmONT-KHH
23h 20m2 stops
United Airlines Logo
11:30 am - 12:18 pmKHH-ONT
16h 48m2 stops
$1,438United Airlines
Find Deal
Thu, Nov 27 - Fri, Dec 5
United Airlines Logo
6:00 am - 9:20 pmONT-KHH
24h 20m2 stops
United Airlines Logo
11:30 am - 6:00 pmKHH-ONT
21h 30m2 stops
$3,070United Airlines
Find Deal
Mon, Mar 16 - Sat, Mar 28
China Airlines Logo
10:50 pm - 9:40 pmONT-KHH
30h 50m2 stops
China Airlines Logo
7:30 am - 4:50 pmKHH-ONT
25h 20m2 stops
$4,573China Airlines
Find Deal
Mon, Dec 22 - Wed, Dec 31

United Airlines flights from Ontario to Kaohsiung City

Our best United Airlines deals on Ontario to Kaohsiung City flight tickets
United Airlines
Nov 6
ONT5:05 amOntario
24h 15m
2 stops
KHH9:20 pmKaohsiung City
Nov 13
KHH11:30 amKaohsiung City
17h 07m
2 stops
ONT12:37 pmOntario
$867
Find similar
United Airlines
Nov 6
ONT5:05 amOntario
24h 15m
2 stops
KHH9:20 pmKaohsiung City
Nov 13
KHH11:30 amKaohsiung City
25h 14m
3 stops
ONT8:44 pmOntario
$872
Find similar
United Airlines
Nov 6
ONT5:05 amOntario
48h 15m
3 stops
KHH9:20 pmKaohsiung City
Nov 13
KHH11:30 amKaohsiung City
25h 14m
3 stops
ONT8:44 pmOntario
$1,139
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 20, 2025.
Use the filters below to find and compare flights from Ontario to Kaohsiung City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/6

5:05 am-9:20 pm

2 stops24h 15m

Kaohsiung City

Thu 11/13

11:30 am-12:37 pm

2 stops17h 07m

$867

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/6

5:05 am-9:20 pm

2 stops24h 15m

Kaohsiung City

Thu 11/13

11:30 am-8:44 pm

3 stops25h 14m

$872

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/6

5:05 am-9:20 pm

3 stops48h 15m

Kaohsiung City

Thu 11/13

11:30 am-8:44 pm

3 stops25h 14m

$1,139

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Fri 11/28

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Fri 12/5

11:30 am-12:18 pm

2 stops16h 48m

$1,265

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Fri 11/28

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Fri 12/5

11:30 am-12:18 pm

2 stops16h 48m

$1,387

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/27

6:00 am-9:20 pm

2 stops23h 20m

Kaohsiung City

Fri 12/5

11:30 am-12:18 pm

2 stops16h 48m

$1,438

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 3/16

6:00 am-9:20 pm

2 stops24h 20m

Kaohsiung City

Sat 3/28

11:30 am-6:00 pm

2 stops21h 30m

$3,070

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 12/22

10:50 pm-9:40 pm

2 stops30h 50m

Kaohsiung City

Wed 12/31

7:30 am-4:50 pm

2 stops25h 20m

$4,573

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 2/5

6:00 am-9:20 pm

2 stops23h 20m

$1,101

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Fri 2/6

5:05 am-9:20 pm

2 stops24h 15m

$2,011

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kaohsiung City from

How to get the cheapest flight ticket from Ontario to Kaohsiung City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Kaohsiung City?

On average, the least expensive day to fly to Kaohsiung City from Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $851. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ontario to Kaohsiung City on a Saturday will generally be more expensive and average around $1,287. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Kaohsiung City?

Flying to Kaohsiung City from Ontario in the morning is the least expensive time of day to depart. momondo users have found prices as low as $874 when looking at flights departing in the morning. At noon is when there is more demand to fly to Kaohsiung City, so prices are often more expensive at around $1,032 per ticket.

When to book flights from Ontario to Kaohsiung City

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Kaohsiung City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Kaohsiung City (ONT to KHH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Kaohsiung City

Direct flights

None
There are no direct flights from Ontario to Kaohsiung City. There are no popular flight routes from Ontario to Kaohsiung City.
Search flight deals

  • How far is Ontario to Kaohsiung City by plane?

    Kaohsiung City is 6971.3 mi away from Ontario. Flights usually cover this in 23h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Kaohsiung City Airport?

    Prices for flights from Ontario Airport to Kaohsiung City Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Kaohsiung City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Kaohsiung City Airport.

  • What documentation or ID do you need to fly to Kaohsiung City Airport?

    The travel and health documents required for your trip to Kaohsiung City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kaohsiung City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Kaohsiung City?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Kaohsiung City. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Kaohsiung City with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Kaohsiung City flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Kaohsiung City?

momondo provides multiple filters to help you find the best flight to Kaohsiung City from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Kaohsiung City right now. Can momondo alert me if prices change?

Price alerts on flights to Kaohsiung City from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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