KLM flights to Singapore from Seattle

View S$7,587 flight on Fri, 5 Dec, 2025Opens in a new window

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KLM flights from Seattle to Singapore (SEA→SIN)

Prices were available within the past 7 days and start at S$7,587 for one-way flights and S$2,392 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, 28 Jun - Sun, 27 Jul
SEA
Seattle
SIN
Singapore
S$2,392 Return, found 21 hours ago
S$2,392
Return
found 21 hours ago
Select KLM flight, departing Sat, 28 Jun from Seattle to Singapore, returning Sun, 27 Jul, priced at S$2,392 found 21 hours ago
Seattle to Singapore route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Popular airline
Singapore Airlines
Distance
12903 km
Average flight time
15 hours 20 mins
*Available to Expedia members.