$406 Cheap Flights from St. Louis (STL) to Kaohsiung (KHH)

View $406 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH)

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Cheap Flights from St. Louis to Kaohsiung (STL-KHH)

Prices were available within the past 7 days and start at $406 for one-way flights and $890 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Tue, Jan 13 - Tue, Jun 2
STL
St. Louis
KHH
Kaohsiung
$890 Roundtrip, found 4 days ago
$890
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Tue, Jan 13 from St. Louis to Kaohsiung, returning Tue, Jun 2, priced at $890 found 4 days ago
All Nippon Airways
Tue, Jan 13 - Tue, Jun 2
STL
St. Louis
KHH
Kaohsiung
$1,026 Roundtrip, found 4 days ago
$1,026
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Tue, Jan 13 from St. Louis to Kaohsiung, returning Tue, Jun 2, priced at $1,026 found 4 days ago
Alaska Airlines
Thu, Sep 25 - Wed, Oct 1
STL
St. Louis
KHH
Kaohsiung
$1,053 Roundtrip, found 1 day ago
$1,053
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Sep 25 from St. Louis to Kaohsiung, returning Wed, Oct 1, priced at $1,053 found 1 day ago
All Nippon Airways
Tue, Jan 13 - Tue, Jun 2
STL
St. Louis
KHH
Kaohsiung
$1,077 Roundtrip, found 4 days ago
$1,077
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Tue, Jan 13 from St. Louis to Kaohsiung, returning Tue, Jun 2, priced at $1,077 found 4 days ago
All Nippon Airways
Tue, Jan 13 - Tue, Jun 2
STL
St. Louis
KHH
Kaohsiung
$1,079 Roundtrip, found 4 days ago
$1,079
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Tue, Jan 13 from St. Louis to Kaohsiung, returning Tue, Jun 2, priced at $1,079 found 4 days ago
Cathay Pacific
Wed, Nov 26 - Wed, Dec 24
STL
St. Louis
KHH
Kaohsiung
$1,099 Roundtrip, found 4 days ago
$1,099
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Wed, Nov 26 from St. Louis to Kaohsiung, returning Wed, Dec 24, priced at $1,099 found 4 days ago
Alaska Airlines
Sun, Dec 7 - Tue, Jan 27
STL
St. Louis
KHH
Kaohsiung
$1,100 Roundtrip, found 4 days ago
$1,100
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sun, Dec 7 from St. Louis to Kaohsiung, returning Tue, Jan 27, priced at $1,100 found 4 days ago
Cathay Pacific
Thu, Sep 25 - Wed, Oct 1
STL
St. Louis
KHH
Kaohsiung
$1,109 Roundtrip, found 1 day ago
$1,109
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Thu, Sep 25 from St. Louis to Kaohsiung, returning Wed, Oct 1, priced at $1,109 found 1 day ago
Air Canada
Wed, Dec 3 - Wed, Jan 21
STL
St. Louis
KHH
Kaohsiung
$1,997 Roundtrip, found 3 days ago
$1,997
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Dec 3 from St. Louis to Kaohsiung, returning Wed, Jan 21, priced at $1,997 found 3 days ago
Korean Air
Wed, Nov 26 - Wed, Dec 24
STL
St. Louis
KHH
Kaohsiung
$2,638 Roundtrip, found 4 days ago
$2,638
Roundtrip
found 4 days ago
Select Korean Air flight, departing Wed, Nov 26 from St. Louis to Kaohsiung, returning Wed, Dec 24, priced at $2,638 found 4 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH) cost?
Secure a cheap one-way flight from $406 or cheap return flight from $890 from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH)?
The cheapest month to fly from STL to KHH is January, when demand is low. Off-peak months are generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STL to KHH. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH)?
There aren't any daily nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from STL to KHH?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH) route, fly before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH) last-minute?
Last-minute bookings from STL to KHH are typically more expensive. To secure the lowest rates, start searching for flights well ahead of time. That said, if your travel plans are flexible, you may score a cheap ticket just before your departure.
Is it cheaper to book a STL to KHH flight and hotel package?
Opting for a STL to KHH flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Kaohsiung Intl. Airport (KHH)?
If you booked your STL to KHH flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Kaohsiung Intl.
Roundtrip price
$890
Distance
7757 mi

Book with confidence

Book with confidence

St. Louis to Kaohsiung Flights

The cheapest times to fly from St. Louis to Kaohsiung

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Kaohsiung are during the month of January. You can find some of the cheapest flights from St. Louis to Kaohsiung with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Kaohsiung

Sunday is one of the best days to book for cheap flights from St. Louis to Kaohsiung: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Kaohsiung

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Kaohsiung in 2025. You can also book with separate airlines for your outbound and return journeys, from $406 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Kaohsiung flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Kaohsiung airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Kaohsiung Flights

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*Available to One Key members.