Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $378
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
SINSingapore Changi Airport
Singapore, Singapore
$725 USD
-48%$378 USD
Verified 1 day agoJanuary 2027
Mon
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Good Availability
52% of dates checked are available within 10% of the lowest price
Wednesday, January 6th, 2027
Outbound Flights
21h 15m·1 stop
$973 USD
SEAJan 6 07:00
→SFOJan 6 09:21
UA 499Boeing 737MAX 8 Passenger
1h 14m layover
SFOJan 6 10:35
→SINJan 7 20:15
UA 29Boeing 787
23h 10m·1 stop
$1,150 USD
SEAJan 6 15:45
→HNDJan 7 19:15
NH 117Boeing 787
5h 10m layover·Overnight
HNDJan 8 00:25
→SINJan 8 06:55
NH 843Boeing 787
26h 42m·1 stop
$1,215 USDSEAJan 6 13:18
→SFOJan 6 15:35
UA 2416Airbus A320
7h 5m layover
SFOJan 6 22:40
→SINJan 8 08:00
UA 1Boeing 787
34h 31m·1 stop
$1,231 USDSEAJan 6 17:44
→SFOJan 6 20:05
UA 737Boeing 737MAX 8 Passenger
14h 30m layover·Overnight
SFOJan 7 10:35
→SINJan 8 20:15
UA 29Boeing 787
22h 16m·1 stop
$1,349 USDSEAJan 6 17:44
→SFOJan 6 20:05
UA 737Boeing 737MAX 8 Passenger
2h 35m layover
SFOJan 6 22:40
→SINJan 8 08:00
UA 1Boeing 787