$1,020 Cheap Singapore Airlines flights Seattle (SEA) to Bandar Seri Begawan (BWN)

View $1,020 flight on Wed, Mar 18, 2026Opens in a new window

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$1,020 Cheap Singapore Airlines flights Seattle (SEA) to Bandar Seri Begawan (BWN)

Prices were available within the past 7 days and start at $1,020 for one-way flights and $1,344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Wed, Mar 18 - Wed, Apr 1
SEA
Seattle
BWN
Bandar Seri Begawan
$1,344 Roundtrip, found 1 hour ago
$1,344
Roundtrip
found 1 hour ago
Select Singapore Airlines flight, departing Wed, Mar 18 from Seattle to Bandar Seri Begawan, returning Wed, Apr 1, priced at $1,344 found 1 hour ago
Singapore Airlines
Thu, Oct 23 - Sat, Oct 25
SEA
Seattle
BWN
Bandar Seri Begawan
$1,403 Roundtrip, found 6 days ago
$1,403
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Thu, Oct 23 from Seattle to Bandar Seri Begawan, returning Sat, Oct 25, priced at $1,403 found 6 days ago
Flights from Seattle (SEA) to Bandar Seri Begawan (BWN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Brunei Intl.
Distance
7429 mi

Frequently asked questions

How much is a Singapore Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Brunei Intl. Airport (BWN)?
Scoring cheap one-way Singapore Airlines flights from SEA to BWN from $1,020 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $1,344 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to BWN with Singapore Airlines?
Singapore Airlines flights to Bandar Seri Begawan are typically cheaper in the quieter months of April and December. Whether you're searching for a one-way or a return ticket, you could find a better deal then.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Brunei Intl. Airport (BWN) with Singapore Airlines?
Scoring the best Singapore Airlines deals from SEA to BWN often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start searching for flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Singapore Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Brunei Intl. Airport (BWN)?
To see if there's a direct route from SEA to BWN with Singapore Airlines or another carrier, check the "Nonstop" filter when browsing for tickets.
What is the earliest Singapore Airlines flight from SEA to BWN?
Search Singapore Airlines's earliest flights from SEA to BWN by checking the "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Singapore Airlines fly into in Bandar Seri Begawan?
Singapore Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Bandar Seri Begawan arrive at Brunei Intl. Airport (BWN). This is the main gateway to this city.
What kind of luggage can I take on a Singapore Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Brunei Intl. Airport (BWN)?
For checked luggage, you can take 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 31 inches x 29 inches x 78 inches. You can also travel with 2 cabin bags on board when flying standard economy from SEA to BWN with Singapore Airlines. This carry-on has to weigh less than 15 lb and be no larger than 45 inches. Exceeding these restrictions can mean extra charges, so check Singapore Airlines's baggage allowance rules before packing.
Why fly with Singapore Airlines from SEA to BWN?
Offering top-tier customer service and a 5-star airline rating, Singapore Airlines is a favorite for many travelers heading from SEA to BWN. Plus, if you're a Singapore Airlines KrisFlyer and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Singapore Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Brunei Intl. Airport (BWN)?
In most cases, you can modify or cancel your flight, although additional charges may apply if your booking was made over 24 hours ago. Need flexible options? Use Expedia's "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you need to alter your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.