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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Sun
Good Availability
52% of dates checked are available within 10% of the lowest price
Friday, January 29th, 2027
Outbound Flights
23h 10m·1 stop
$713 USD
SEAJan 29 15:45
→HNDJan 30 19:15
NH 117Boeing 787
5h 10m layover·Overnight
HNDJan 31 00:25
→SINJan 31 06:55
NH 843Boeing 787
24h 40m·2 stops
$852 USD
SEAJan 29 07:00
→SFOJan 29 09:21
UA 499Airbus A319
1h 44m layover
SFOJan 29 11:05
→NRTJan 30 15:25
NH 7Boeing 777
1h 35m layover
NRTJan 30 17:00
→SINJan 30 23:40
NH 803Boeing 787
24h 40m·2 stops
$852 USDSEAJan 29 07:00
→SFOJan 29 09:21
UA 499Airbus A319
1h 24m layover
SFOJan 29 10:45
→NRTJan 30 15:05
UA 837Boeing 777
1h 55m layover
NRTJan 30 17:00
→SINJan 30 23:40
NH 803Boeing 787
21h 15m·1 stop
$878 USDSEAJan 29 07:00
→SFOJan 29 09:21
UA 499Airbus A319
1h 14m layover
SFOJan 29 10:35
→SINJan 30 20:15
UA 29Boeing 787
34h 31m·1 stop
$933 USDSEAJan 29 17:44
→SFOJan 29 20:05
UA 737Boeing 737MAX 9 Passenger
14h 30m layover·Overnight
SFOJan 30 10:35
→SINJan 31 20:15
UA 29Boeing 787
32h 47m·1 stop
$1,070 USDSEAJan 29 19:28
→SFOJan 29 21:50
UA 2016Airbus A320
12h 45m layover·Overnight
SFOJan 30 10:35
→SINJan 31 20:15
UA 29Boeing 787