$673 Cheap Flights from Kota Kinabalu (BKI) to Seattle (SEA)

View $673 flight on Thu, Sep 18, 2025Opens in a new window

Popular airlines from Kota Kinabalu Intl. Airport (BKI) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Kota Kinabalu to Seattle (BKI-SEA)

Prices were available within the past 7 days and start at $673 for one-way flights and $1,180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, Nov 20 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,180 Roundtrip, found 16 hours ago
$1,180
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Thu, Nov 20 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,180 found 16 hours ago
Qatar Airways
Tue, Nov 18 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,181 Roundtrip, found 3 days ago
$1,181
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Tue, Nov 18 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,181 found 3 days ago
Qatar Airways
Thu, Nov 20 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,194 Roundtrip, found 16 hours ago
$1,194
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Thu, Nov 20 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,194 found 16 hours ago
Qatar Airways
Thu, Nov 20 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,208 Roundtrip, found 16 hours ago
$1,208
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Thu, Nov 20 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,208 found 16 hours ago
Qatar Airways
Thu, Nov 20 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,208 Roundtrip, found 16 hours ago
$1,208
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Thu, Nov 20 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,208 found 16 hours ago
Qatar Airways
Tue, Nov 18 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,210 Roundtrip, found 3 days ago
$1,210
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Tue, Nov 18 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,210 found 3 days ago
Air Canada
Wed, Nov 19 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,222 Roundtrip, found 16 hours ago
$1,222
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Wed, Nov 19 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,222 found 16 hours ago
Batik air
Wed, Nov 19 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,242 Roundtrip, found 16 hours ago
$1,242
Roundtrip
found 16 hours ago
Select Batik air flight, departing Wed, Nov 19 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,242 found 16 hours ago
Malaysia Airlines
Tue, Nov 18 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,424 Roundtrip, found 3 days ago
$1,424
Roundtrip
found 3 days ago
Select Malaysia Airlines flight, departing Tue, Nov 18 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,424 found 3 days ago
Singapore Airlines
Thu, Nov 20 - Sat, Nov 29
BKI
Kota Kinabalu
SEA
Seattle
$1,445 Roundtrip, found 16 hours ago
$1,445
Roundtrip
found 16 hours ago
Select Singapore Airlines flight, departing Thu, Nov 20 from Kota Kinabalu to Seattle, returning Sat, Nov 29, priced at $1,445 found 16 hours ago
Flights from Kota Kinabalu (BKI) to Seattle (SEA)
Origin airport
Kota Kinabalu Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
British Airways, KLM, Malaysia Airlines, Qatar Airways, Singapore Airlines
Roundtrip price
$1,180
Distance
7328 mi

Kota Kinabalu to Seattle Flights

The cheapest times to fly from Kota Kinabalu to Seattle

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

 

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

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

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 Kota Kinabalu to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $673 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 Kota Kinabalu to Seattle 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 Kota Kinabalu to Seattle 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 Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $673 or cheap return flight from $1,180 from Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from BKI to SEA is November, when there's less demand. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BKI to SEA. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA) 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 dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BKI to SEA?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier 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 Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**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 Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until right before your break to book your flight from BKI to SEA generally means paying more. While it's possible to find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book a BKI to SEA flight and hotel package?
You'll generally save money by securing a BKI to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Kota Kinabalu Intl. Airport (BKI) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your BKI to SEA flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.