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Cheap flights from Ontario to Kaohsiung City from $470

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 8/15. 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
1 adult, Economy, 0 bags

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
9:01 am - 9:00 pm
ONT
-
KHH
20h 59m
2 stops
United Airlines Logo
9:55 am - 6:11 pm
KHH
-
ONT
23h 16m
2 stops
$919United Airlines
Wed, Sep 2 - Sat, Sep 12
United Airlines Logo
6:00 am - 9:25 pm
ONT
-
KHH
23h 25m
2 stops
United Airlines Logo
11:30 am - 8:15 pm
KHH
-
ONT
24h 45m
2 stops
$945United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
6:00 am - 9:25 pm
ONT
-
KHH
23h 25m
2 stops
United Airlines Logo
11:30 am - 8:15 pm
KHH
-
ONT
24h 45m
2 stops
$1,046United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
6:00 am - 9:25 pm
ONT
-
KHH
23h 25m
2 stops
United Airlines Logo
11:30 am - 12:33 pm
KHH
-
ONT
41h 03m
3 stops
$1,060United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
5:00 am - 9:25 pm
ONT
-
KHH
24h 25m
2 stops
United Airlines Logo
11:30 am - 12:42 pm
KHH
-
ONT
41h 12m
3 stops
$1,097United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
1:13 pm - 9:25 pm
ONT
-
KHH
40h 12m
3 stops
United Airlines Logo
11:30 am - 12:42 pm
KHH
-
ONT
41h 12m
3 stops
$1,565United Airlines
Thu, Nov 12 - Mon, Nov 16
Korean Air Logo
6:20 am - 2:05 pm
ONT
-
KHH
40h 45m
2 stops
Korean Air Logo
7:05 am - 11:47 pm
KHH
-
ONT
31h 42m
2 stops
$3,073Korean Air
Mon, Sep 28 - Fri, Oct 2
Korean Air Logo
6:20 am - 2:05 pm
ONT
-
KHH
40h 45m
2 stops
Korean Air Logo
7:05 am - 5:19 pm
KHH
-
ONT
25h 14m
2 stops
$4,156Korean Air
Mon, Sep 28 - Mon, Oct 5

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United Airlines flights from Ontario to Kaohsiung City

Our best United Airlines deals on Ontario to Kaohsiung City flight tickets
United Airlines
Sep 2
ONT9:01 amOntario
20h 59m
2 stops
KHH9:00 pmKaohsiung City
Sep 12
KHH9:55 amKaohsiung City
23h 16m
2 stops
ONT6:11 pmOntario
$919
United Airlines
Nov 12
ONT6:00 amOntario
23h 25m
2 stops
KHH9:25 pmKaohsiung City
Nov 16
KHH11:30 amKaohsiung City
24h 45m
2 stops
ONT8:15 pmOntario
$945
United Airlines
Nov 12
ONT6:00 amOntario
23h 25m
2 stops
KHH9:25 pmKaohsiung City
Nov 16
KHH11:30 amKaohsiung City
24h 45m
2 stops
ONT8:15 pmOntario
$1,046

Korean Air flights from Ontario to Kaohsiung City

Our best Korean Air deals on Ontario to Kaohsiung City flight tickets
Korean Air
Sep 28
ONT6:20 amOntario
40h 45m
2 stops
KHH2:05 pmKaohsiung City
Oct 2
KHH7:05 amKaohsiung City
31h 42m
2 stops
ONT11:47 pmOntario
$3,073
Korean Air
Sep 28
ONT6:20 amOntario
40h 45m
2 stops
KHH2:05 pmKaohsiung City
Oct 5
KHH7:05 amKaohsiung City
25h 14m
2 stops
ONT5:19 pmOntario
$4,156

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 July 27, 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
Quickest round-trip

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 9/2

9:01 am-9:00 pm

2 stops20h 59m

Kaohsiung City

Sat 9/12

9:55 am-6:11 pm

2 stops23h 16m

$919

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/12

6:00 am-9:25 pm

2 stops23h 25m

Kaohsiung City

Mon 11/16

11:30 am-8:15 pm

2 stops24h 45m

$945

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/12

6:00 am-9:25 pm

2 stops23h 25m

Kaohsiung City

Mon 11/16

11:30 am-8:15 pm

2 stops24h 45m

$1,046

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/12

6:00 am-9:25 pm

2 stops23h 25m

Kaohsiung City

Mon 11/16

11:30 am-12:33 pm

3 stops41h 03m

$1,060

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/12

5:00 am-9:25 pm

2 stops24h 25m

Kaohsiung City

Mon 11/16

11:30 am-12:42 pm

3 stops41h 12m

$1,097

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 11/12

1:13 pm-9:25 pm

3 stops40h 12m

Kaohsiung City

Mon 11/16

11:30 am-12:42 pm

3 stops41h 12m

$1,565

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 9/28

6:20 am-2:05 pm

2 stops40h 45m

Kaohsiung City

Fri 10/2

7:05 am-11:47 pm

2 stops31h 42m

$3,073

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 9/28

6:20 am-2:05 pm

2 stops40h 45m

Kaohsiung City

Mon 10/5

7:05 am-5:19 pm

2 stops25h 14m

$4,156
Cheapest one-way
Quickest one-way

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 8/15

8:00 am-9:00 pm

2 stops22h 00m

$470

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 12/2

1:00 pm-9:25 pm

3 stops40h 25m

$476

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 is the most popular carrier 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

20h 59m

Direct flights

None
The fastest flight from Ontario to Kaohsiung City takes 20h 59m
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 20h 59m, 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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Wed 8/26
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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Cathay Pacific
United Airlines