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Cheap flights from Ontario to Kaohsiung City from $594

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Kaohsiung City departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
6:00 am - 9:00 pm
ONT
-
KHH
24h 00m
2 stops
United Airlines Logo
9:55 am - 10:59 pm
KHH
-
ONT
28h 04m
2 stops
$874United Airlines
Mon, May 4 - Thu, May 14
United Airlines Logo
6:00 am - 9:00 pm
ONT
-
KHH
24h 00m
2 stops
United Airlines Logo
9:55 am - 5:52 pm
KHH
-
ONT
22h 57m
2 stops
$875United Airlines
Sat, May 2 - Tue, May 12
United Airlines Logo
6:00 am - 9:00 pm
ONT
-
KHH
24h 00m
2 stops
United Airlines Logo
9:55 am - 5:52 pm
KHH
-
ONT
22h 57m
2 stops
$1,008United Airlines
Sat, May 2 - Tue, May 12
United Airlines Logo
6:00 am - 9:00 pm
ONT
-
KHH
24h 00m
2 stops
United Airlines Logo
9:55 am - 5:52 pm
KHH
-
ONT
22h 57m
2 stops
$1,154United Airlines
Wed, May 6 - Tue, May 12
United Airlines Logo
6:00 am - 9:00 pm
ONT
-
KHH
24h 00m
2 stops
United Airlines Logo
9:55 am - 10:59 pm
KHH
-
ONT
28h 04m
2 stops
$1,158United Airlines
Wed, May 6 - Sun, May 17
United Airlines Logo
1:18 pm - 9:00 pm
ONT
-
KHH
40h 42m
3 stops
United Airlines Logo
9:55 am - 10:37 pm
KHH
-
ONT
27h 42m
2 stops
$1,547United Airlines
Sun, Jul 12 - Mon, Aug 3
United Airlines Logo
5:00 am - 9:00 pm
ONT
-
KHH
25h 00m
2 stops
United Airlines Logo
9:55 am - 10:37 pm
KHH
-
ONT
27h 42m
2 stops
$1,600United Airlines
Sun, Jul 12 - Mon, Aug 3
United Airlines Logo
1:50 pm - 9:00 pm
ONT
-
KHH
40h 10m
2 stops
United Airlines Logo
9:55 am - 10:37 pm
KHH
-
ONT
27h 42m
2 stops
$1,607United Airlines
Sat, Jul 18 - Mon, Aug 3
United Airlines Logo
5:00 am - 9:00 pm
ONT
-
KHH
49h 00m
3 stops
United Airlines Logo
9:55 am - 10:37 pm
KHH
-
ONT
27h 42m
2 stops
$1,622United Airlines
Sat, Jul 18 - Mon, Aug 3
United Airlines Logo
6:00 am - 9:00 pm
ONT
-
KHH
24h 00m
2 stops
United Airlines Logo
9:55 am - 10:37 pm
KHH
-
ONT
27h 42m
2 stops
$1,623United Airlines
Mon, Jul 13 - Mon, Aug 3

United Airlines flights from Ontario to Kaohsiung City

Our best United Airlines deals on Ontario to Kaohsiung City flight tickets
United Airlines
May 4
ONT6:00 amOntario
24h 00m
2 stops
KHH9:00 pmKaohsiung City
May 14
KHH9:55 amKaohsiung City
28h 04m
2 stops
ONT10:59 pmOntario
$874
United Airlines
May 2
ONT6:00 amOntario
24h 00m
2 stops
KHH9:00 pmKaohsiung City
May 12
KHH9:55 amKaohsiung City
22h 57m
2 stops
ONT5:52 pmOntario
$875
United Airlines
May 2
ONT6:00 amOntario
24h 00m
2 stops
KHH9:00 pmKaohsiung City
May 12
KHH9:55 amKaohsiung City
22h 57m
2 stops
ONT5:52 pmOntario
$1,008

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 April 22, 2026.
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

Cheapest round-trip

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 5/4

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Thu 5/14

9:55 am-10:59 pm

2 stops28h 04m

$874
Quickest round-trip

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 5/2

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Tue 5/12

9:55 am-5:52 pm

2 stops22h 57m

$875

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 5/2

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Tue 5/12

9:55 am-5:52 pm

2 stops22h 57m

$1,008

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 5/6

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Tue 5/12

9:55 am-5:52 pm

2 stops22h 57m

$1,154

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 5/6

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Sun 5/17

9:55 am-10:59 pm

2 stops28h 04m

$1,158

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sun 7/12

1:18 pm-9:00 pm

3 stops40h 42m

Kaohsiung City

Mon 8/3

9:55 am-10:37 pm

2 stops27h 42m

$1,547

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sun 7/12

5:00 am-9:00 pm

2 stops25h 00m

Kaohsiung City

Mon 8/3

9:55 am-10:37 pm

2 stops27h 42m

$1,600

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 7/18

1:50 pm-9:00 pm

2 stops40h 10m

Kaohsiung City

Mon 8/3

9:55 am-10:37 pm

2 stops27h 42m

$1,607

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 7/18

5:00 am-9:00 pm

3 stops49h 00m

Kaohsiung City

Mon 8/3

9:55 am-10:37 pm

2 stops27h 42m

$1,622

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 7/13

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Mon 8/3

9:55 am-10:37 pm

2 stops27h 42m

$1,623

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 airline that flies from Ontario to Kaohsiung City?

United Airlines and Air China are the most popular carriers operating from Ontario to Kaohsiung City

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

Fastest flight time

24h 00m

Direct flights

None
The fastest flight from Ontario to Kaohsiung City takes 24h 00m
There are no direct flights from Ontario to Kaohsiung City. There are no popular flight routes from Ontario to Kaohsiung City.
Search flight deals

Frequently asked questions about flying from Ontario to Kaohsiung City

  • How far is Ontario to Kaohsiung City by plane?

    Kaohsiung City is 6971.3 mi away from Ontario. Flights usually cover this in 24h 00m, 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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Cathay Pacific
United Airlines