Direct flights from Seattle to Singapore

Did you mean Flights from Singapore to Seattle?

Seattle

United States

SEA

Seattle Tacoma International Airport

Singapore

SIN

Singapore Changi International Airport

Route: Nonstop service available
Distance: 8,065 miles
Marketing airlines: 1 airline
Aircraft: 1 aircraft type
Dates: Oct 6, 2026 – Sep 7, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 60,000 points + $26.00 for SEA → SIN, Economy, on 2026-10-11, booked with LifeMiles. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-11 through 2026-11-09.

Recently observed award prices by route, flight, departure date, cabin, and booking program
Route / flight	Departure	Cabin	Book with	Points	Fees (USD)	Seats seen	Observed (UTC)
SEA → SIN SQ27	2026-10-11	Economy	LifeMiles	60,000	$26.00	3	2026-10-10 11:24
SEA → SIN SQ27	2026-10-15	Economy	LifeMiles	60,000	$53.00	2	2026-10-09 16:18
SEA → SIN SQ27	2026-10-15	Economy	LifeMiles	60,000	$26.00	4	2026-10-11 14:02
SEA → SIN SQ27	2026-10-18	Economy	LifeMiles	60,000	$26.00	4	2026-10-11 14:01
SEA → SIN SQ27	2026-10-20	Economy	LifeMiles	60,000	$26.00	3	2026-10-11 12:20
SEA → SIN SQ27	2026-10-22	Economy	LifeMiles	60,000	$53.00	3	2026-10-11 12:43
SEA → SIN SQ27	2026-10-23	Economy	LifeMiles	60,000	$26.00	5	2026-10-10 04:43
SEA → SIN SQ27	2026-11-03	Economy	LifeMiles	60,000	$26.00	5	2026-10-10 17:53
SEA → SIN SQ27	2026-11-04	Economy	LifeMiles	60,000	$26.00	3	2026-10-10 03:30
SEA → SIN SQ27	2026-11-08	Economy	LifeMiles	60,000	$53.00	4	2026-10-09 21:39
SEA → SIN SQ27	2026-10-11	Economy	United MileagePlus	60,500	$5.00	2	2026-10-09 21:14
SEA → SIN SQ27	2026-10-16	Economy	United MileagePlus	60,500	$5.00	2	2026-10-09 20:42

Seattle to Singapore route overview

Seattle Tacoma International Airport (SEA) serves Seattle; Singapore Changi International Airport (SIN) serves Singapore.

The airports are 8,065 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from SEA to SIN.

Marketing airlines listed in the current schedule, including codeshare sellers, are Singapore Airlines (SQ). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 6, 2026 – Sep 7, 2027.

Marketing airlines on the Seattle to Singapore route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Airline alliance affiliations represented: Star Alliance

Aircraft flying from SEA to SIN

Frequently asked questions

Which airports serve the Seattle to Singapore route?

Seattle Tacoma International Airport (SEA) is the origin airport and Singapore Changi International Airport (SIN) is the destination airport.

How far is Singapore from Seattle?

SEA and SIN are approximately 8,065 miles apart by great-circle distance.

Are there direct flights from SEA to SIN?

Yes. Roame's current schedule feed shows nonstop service from SEA to SIN.

Which airlines market flights from SEA to SIN?

Which aircraft fly from SEA to SIN?

Aircraft listed in the current schedule include Airbus A350-900 (359).