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Cheap flights from Ontario to Kaohsiung City from $456

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 9/2. 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
8:00 am - 9:00 pm
ONT
-
KHH
22h 00m
2 stops
United Airlines Logo
9:55 am - 8:20 pm
KHH
-
ONT
25h 25m
2 stops
$872United Airlines
Tue, Sep 1 - Wed, Sep 30
United Airlines Logo
5:00 am - 9:00 pm
ONT
-
KHH
25h 00m
3 stops
United Airlines Logo
9:55 am - 8:20 pm
KHH
-
ONT
25h 25m
3 stops
$877United Airlines
Tue, Sep 1 - Wed, Sep 30
United Airlines Logo
6:00 am - 9:00 pm
ONT
-
KHH
24h 00m
2 stops
United Airlines Logo
9:55 am - 10:45 pm
KHH
-
ONT
27h 50m
2 stops
$1,324United Airlines
Thu, Apr 16 - Mon, Apr 27
United Airlines Logo
6:00 am - 9:00 pm
ONT
-
KHH
24h 00m
2 stops
United Airlines Logo
9:55 am - 12:38 pm
KHH
-
ONT
41h 43m
3 stops
$1,329United Airlines
Thu, Apr 16 - Mon, Apr 27
United Airlines Logo
1:27 pm - 9:00 pm
ONT
-
KHH
40h 33m
2 stops
United Airlines Logo
9:55 am - 5:47 pm
KHH
-
ONT
22h 52m
2 stops
$1,439United Airlines
Sun, Apr 19 - Sun, Apr 26
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
$1,886United Airlines
Sat, Apr 18 - Sat, May 2
Multiple Airlines Logo
12:10 am - 2:15 pm
ONT
-
KHH
23h 05m
2 stops
Multiple Airlines Logo
10:15 am - 6:00 pm
KHH
-
ONT
22h 45m
2 stops
$1,938Multiple Airlines
Sat, Mar 28 - Sun, Apr 5
Multiple Airlines Logo
12:10 am - 2:15 pm
ONT
-
KHH
23h 05m
2 stops
Multiple Airlines Logo
10:15 am - 6:00 pm
KHH
-
ONT
22h 45m
2 stops
$2,340Multiple Airlines
Fri, Apr 3 - Sat, Apr 11
Multiple Airlines Logo
12:10 am - 2:15 pm
ONT
-
KHH
23h 05m
2 stops
Multiple Airlines Logo
9:15 pm - 6:00 pm
KHH
-
ONT
35h 45m
3 stops
$2,589Multiple Airlines
Fri, Apr 3 - Sat, Apr 11
Multiple Airlines Logo
12:10 am - 6:10 pm
ONT
-
KHH
27h 00m
3 stops
Multiple Airlines Logo
9:15 pm - 6:00 pm
KHH
-
ONT
35h 45m
3 stops
$2,971Multiple Airlines
Fri, Apr 3 - Sat, Apr 11

United Airlines flights from Ontario to Kaohsiung City

Our best United Airlines deals on Ontario to Kaohsiung City flight tickets
United Airlines
Sep 1
ONT8:00 amOntario
22h 00m
2 stops
KHH9:00 pmKaohsiung City
Sep 30
KHH9:55 amKaohsiung City
25h 25m
2 stops
ONT8:20 pmOntario
$872
United Airlines
Sep 1
ONT5:00 amOntario
25h 00m
3 stops
KHH9:00 pmKaohsiung City
Sep 30
KHH9:55 amKaohsiung City
25h 25m
3 stops
ONT8:20 pmOntario
$877
United Airlines
Apr 16
ONT6:00 amOntario
24h 00m
2 stops
KHH9:00 pmKaohsiung City
Apr 27
KHH9:55 amKaohsiung City
27h 50m
2 stops
ONT10:45 pmOntario
$1,324

ANA flights from Ontario to Kaohsiung City

Our best ANA deals on Ontario to Kaohsiung City flight tickets
ANA
Sep 1
ONT8:00 amOntario
22h 00m
1 stop
KHH9:00 pmKaohsiung City
Sep 30
KHH9:55 amKaohsiung City
25h 25m
2 stops
ONT8:20 pmOntario
$886
ANA
Sep 1
ONT8:00 amOntario
22h 00m
1 stop
KHH9:00 pmKaohsiung City
Sep 30
KHH9:55 amKaohsiung City
22h 52m
1 stop
ONT5:47 pmOntario
$1,058

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 March 8, 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

Tue 9/1

8:00 am-9:00 pm

2 stops22h 00m

Kaohsiung City

Wed 9/30

9:55 am-8:20 pm

2 stops25h 25m

$872

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 9/1

5:00 am-9:00 pm

3 stops25h 00m

Kaohsiung City

Wed 9/30

9:55 am-8:20 pm

3 stops25h 25m

$877

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 4/16

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Mon 4/27

9:55 am-10:45 pm

2 stops27h 50m

$1,324

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 4/16

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Mon 4/27

9:55 am-12:38 pm

3 stops41h 43m

$1,329

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sun 4/19

1:27 pm-9:00 pm

2 stops40h 33m

Kaohsiung City

Sun 4/26

9:55 am-5:47 pm

2 stops22h 52m

$1,439

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 4/18

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Sat 5/2

9:55 am-5:52 pm

2 stops22h 57m

$1,886
Quickest round-trip

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Sat 3/28

12:10 am-2:15 pm

2 stops23h 05m

Kaohsiung City

Sun 4/5

10:15 am-6:00 pm

2 stops22h 45m

$1,938

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Fri 4/3

12:10 am-2:15 pm

2 stops23h 05m

Kaohsiung City

Sat 4/11

10:15 am-6:00 pm

2 stops22h 45m

$2,340

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Fri 4/3

12:10 am-2:15 pm

2 stops23h 05m

Kaohsiung City

Sat 4/11

9:15 pm-6:00 pm

3 stops35h 45m

$2,589

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Fri 4/3

12:10 am-6:10 pm

3 stops27h 00m

Kaohsiung City

Sat 4/11

9:15 pm-6:00 pm

3 stops35h 45m

$2,971

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 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

21h 10m

Direct flights

None
The fastest flight from Ontario to Kaohsiung City takes 21h 10m
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 21h 10m, 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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Cabin classes currently available on flights to Kaohsiung City

List of cabin classes available on flights landing in Kaohsiung City. Availability may vary depending on flight origin and airline.
First Class to Kaohsiung City
Business Class to Kaohsiung City