$640 Cheap Flights from Portland (PDX) to Kota Kinabalu (BKI)

View $640 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Kota Kinabalu Intl. Airport (BKI)

Cheap Flights from Portland to Kota Kinabalu (PDX-BKI)

Prices were available within the past 7 days and start at $640 for one-way flights and $1,338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Aug 29 - Mon, Sep 8
PDX
Portland
BKI
Kota Kinabalu
$1,338 Roundtrip, found 6 days ago
$1,338
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Aug 29 from Portland to Kota Kinabalu, returning Mon, Sep 8, priced at $1,338 found 6 days ago
Air Canada
Mon, Sep 22 - Mon, Sep 29
PDX
Portland
BKI
Kota Kinabalu
$1,446 Roundtrip, found 3 days ago
$1,446
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Sep 22 from Portland to Kota Kinabalu, returning Mon, Sep 29, priced at $1,446 found 3 days ago
Air Canada
Sun, Dec 7 - Thu, Dec 18
PDX
Portland
BKI
Kota Kinabalu
$1,454 Roundtrip, found 6 days ago
$1,454
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Dec 7 from Portland to Kota Kinabalu, returning Thu, Dec 18, priced at $1,454 found 6 days ago
Air Canada
Mon, Jan 5 - Mon, Jan 19
PDX
Portland
BKI
Kota Kinabalu
$1,458 Roundtrip, found 2 days ago
$1,458
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Jan 5 from Portland to Kota Kinabalu, returning Mon, Jan 19, priced at $1,458 found 2 days ago
Air Canada
Tue, Jan 6 - Tue, Jan 20
PDX
Portland
BKI
Kota Kinabalu
$1,497 Roundtrip, found 3 days ago
$1,497
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Jan 6 from Portland to Kota Kinabalu, returning Tue, Jan 20, priced at $1,497 found 3 days ago
Air Canada
Fri, Aug 29 - Sun, Sep 7
PDX
Portland
BKI
Kota Kinabalu
$1,502 Roundtrip, found 6 days ago
$1,502
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Aug 29 from Portland to Kota Kinabalu, returning Sun, Sep 7, priced at $1,502 found 6 days ago
China Eastern Airlines
Wed, Sep 3 - Mon, Sep 22
PDX
Portland
BKI
Kota Kinabalu
$1,510 Roundtrip, found 5 days ago
$1,510
Roundtrip
found 5 days ago
Select China Eastern Airlines flight, departing Wed, Sep 3 from Portland to Kota Kinabalu, returning Mon, Sep 22, priced at $1,510 found 5 days ago
Korean Air
Wed, Sep 3 - Mon, Sep 22
PDX
Portland
BKI
Kota Kinabalu
$1,585 Roundtrip, found 5 days ago
$1,585
Roundtrip
found 5 days ago
Select Korean Air flight, departing Wed, Sep 3 from Portland to Kota Kinabalu, returning Mon, Sep 22, priced at $1,585 found 5 days ago
Alaska Airlines
Sun, Dec 7 - Wed, Dec 17
PDX
Portland
BKI
Kota Kinabalu
$1,641 Roundtrip, found 6 days ago
$1,641
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Dec 7 from Portland to Kota Kinabalu, returning Wed, Dec 17, priced at $1,641 found 6 days ago
Malaysia Airlines
Mon, Nov 24 - Fri, Nov 28
PDX
Portland
BKI
Kota Kinabalu
$3,368 Roundtrip, found 4 days ago
$3,368
Roundtrip
found 4 days ago
Select Malaysia Airlines flight, departing Mon, Nov 24 from Portland to Kota Kinabalu, returning Fri, Nov 28, priced at $3,368 found 4 days ago
Flights from Portland (PDX) to Kota Kinabalu (BKI)
Origin airport
Portland Intl.
Destination airport
Kota Kinabalu Intl.
Roundtrip price
$1,337
Distance
7376 mi

Portland to Kota Kinabalu Flights

The cheapest times to fly from Portland to Kota Kinabalu

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 Kota Kinabalu are during the month of August. You can find some of the cheapest flights from Portland to Kota Kinabalu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Kota Kinabalu

Sunday is one of the best days to book for cheap flights from Portland to Kota Kinabalu: 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 Kota Kinabalu

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 Kota Kinabalu in 2025. You can also book with separate airlines for your outbound and return journeys, from $640 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 Kota Kinabalu 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 Kota Kinabalu 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 Kota Kinabalu Intl. Airport (BKI) cost?
Grab a cheap one-way flight from $640 or cheap return flight from $1,338 from Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI)?
August is the cheapest month to fly from PDX to BKI. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI)?
To find the cheapest airline that'll fly you from PDX to BKI, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI)?
Direct flights from Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to BKI?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, season 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 Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI)?
Choose a flight from Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 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 Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI) last-minute?
Waiting until right before your break to book your flight from PDX to BKI generally means paying more. While it's possible to find some last-minute discounts, there's no guarantee. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a PDX to BKI flight and hotel package?
Opting for a PDX to BKI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Kota Kinabalu Intl. Airport (BKI)?
Typically, you can reschedule or cancel your PDX to BKI flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.