$451 Cheap Flights from Portland (PDX) to Kaohsiung (KHH)

View $451 flight on Mon, Nov 10, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Kaohsiung Intl. Airport (KHH)

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Cheap Flights from Portland to Kaohsiung (PDX-KHH)

Prices were available within the past 7 days and start at $451 for one-way flights and $782 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 10 - Mon, Nov 24
PDX
Portland
KHH
Kaohsiung
$782 Roundtrip, found 2 days ago
$782
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Portland to Kaohsiung, returning Mon, Nov 24, priced at $782 found 2 days ago
United
Mon, Nov 10 - Mon, Nov 24
PDX
Portland
KHH
Kaohsiung
$789 Roundtrip, found 2 days ago
$789
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Portland to Kaohsiung, returning Mon, Nov 24, priced at $789 found 2 days ago
United
Mon, Nov 10 - Sat, Nov 22
PDX
Portland
KHH
Kaohsiung
$795 Roundtrip, found 2 days ago
$795
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Portland to Kaohsiung, returning Sat, Nov 22, priced at $795 found 2 days ago
United
Sun, Nov 9 - Sat, Nov 22
PDX
Portland
KHH
Kaohsiung
$808 Roundtrip, found 2 days ago
$808
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 9 from Portland to Kaohsiung, returning Sat, Nov 22, priced at $808 found 2 days ago
United
Mon, Nov 10 - Mon, Nov 24
PDX
Portland
KHH
Kaohsiung
$829 Roundtrip, found 2 days ago
$829
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Portland to Kaohsiung, returning Mon, Nov 24, priced at $829 found 2 days ago
United
Mon, Nov 10 - Mon, Nov 24
PDX
Portland
KHH
Kaohsiung
$832 Roundtrip, found 2 days ago
$832
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Portland to Kaohsiung, returning Mon, Nov 24, priced at $832 found 2 days ago
United
Mon, Nov 10 - Mon, Nov 24
PDX
Portland
KHH
Kaohsiung
$839 Roundtrip, found 2 days ago
$839
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Portland to Kaohsiung, returning Mon, Nov 24, priced at $839 found 2 days ago
Air Canada
Mon, Nov 10 - Mon, Nov 24
PDX
Portland
KHH
Kaohsiung
$1,039 Roundtrip, found 2 days ago
$1,039
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Nov 10 from Portland to Kaohsiung, returning Mon, Nov 24, priced at $1,039 found 2 days ago
Cathay Pacific
Mon, Aug 18 - Mon, Aug 25
PDX
Portland
KHH
Kaohsiung
$1,259 Roundtrip, found 2 days ago
$1,259
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Mon, Aug 18 from Portland to Kaohsiung, returning Mon, Aug 25, priced at $1,259 found 2 days ago
Korean Air
Mon, Aug 18 - Mon, Aug 25
PDX
Portland
KHH
Kaohsiung
$3,230 Roundtrip, found 2 days ago
$3,230
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Aug 18 from Portland to Kaohsiung, returning Mon, Aug 25, priced at $3,230 found 2 days ago
Flights from Portland (PDX) to Kaohsiung (KHH)
Origin airport
Portland Intl.
Destination airport
Kaohsiung Intl.
Airlines serving
Air Canada, Cathay Pacific, Korean Air
Roundtrip price
$782
Distance
6296 mi

Portland to Kaohsiung Flights

The cheapest times to fly from Portland 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 Portland to Kaohsiung are during the month of November. You can find some of the cheapest flights from Portland to Kaohsiung with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Kaohsiung

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Kaohsiung in 2025. You can also book with separate airlines for your outbound and return journeys, from $451 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 Portland 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 Portland 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.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Kaohsiung Intl. Airport (KHH) cost?
Discover the latest flight deals from PDX to KHH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PDX to KHH?
The cheapest flights from PDX to KHH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PDX to KHH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PDX to KHH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Portland Intl. Airport (PDX) to Kaohsiung Intl. Airport (KHH)?
You'll need to catch a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Kaohsiung Intl. Airport (KHH). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from PDX to KHH?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Kaohsiung Intl. Airport (KHH)?
To arrive at Kaohsiung Intl. Airport (KHH) without delays, opt for a flight that takes off from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Portland Intl. Airport (PDX) to Kaohsiung Intl. Airport (KHH) last-minute?
Last-minute fares from PDX to KHH are generally more expensive. To secure the best rates, start looking for flights early. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before you leave.
Is it cheaper to book a PDX to KHH flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to KHH flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Kaohsiung Intl. Airport (KHH)?
Typically, you're able to cancel or reschedule your PDX to KHH flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.