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
Tue
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Sun
Good Availability
52% of dates checked are available within 10% of the lowest price
Sunday, January 31st, 2027
Outbound Flights
23h 10m·1 stop
$383 USD
SEAJan 31 15:45
→HNDFeb 1 19:15
NH 117Boeing 787
5h 10m layover·Overnight
HNDFeb 2 00:25
→SINFeb 2 06:55
NH 843Boeing 787
24h 40m·2 stops
$391 USD
SEAJan 31 07:00
→SFOJan 31 09:21
UA 499Airbus A319
1h 44m layover
SFOJan 31 11:05
→NRTFeb 1 15:25
NH 7Boeing 777
1h 35m layover
NRTFeb 1 17:00
→SINFeb 1 23:40
NH 803Boeing 787
24h 40m·2 stops
$391 USDSEAJan 31 07:00
→SFOJan 31 09:21
UA 499Airbus A319
1h 24m layover
SFOJan 31 10:45
→NRTFeb 1 15:05
UA 837Boeing 777
1h 55m layover
NRTFeb 1 17:00
→SINFeb 1 23:40
NH 803Boeing 787
32h 47m·1 stop
$560 USDSEAJan 31 19:28
→SFOJan 31 21:50
UA 2016Airbus A320
12h 45m layover·Overnight
SFOFeb 1 10:35
→SINFeb 2 20:15
UA 29Boeing 787
23h 15m·1 stop
$749 USDSEAJan 31 05:00
→SFOJan 31 07:37
UA 5587Embraer 175
2h 58m layover
SFOJan 31 10:35
→SINFeb 1 20:15
UA 29Boeing 787
21h 15m·1 stop
$839 USDSEAJan 31 07:00
→SFOJan 31 09:21
UA 499Airbus A319
1h 14m layover
SFOJan 31 10:35
→SINFeb 1 20:15
UA 29Boeing 787
26h 43m·1 stop
$928 USDSEAJan 31 13:17
→SFOJan 31 15:34
UA 2416Boeing 737
7h 6m layover
SFOJan 31 22:40
→SINFeb 2 08:00
UA 1Boeing 787
20h 32m·1 stop
$932 USDSEAJan 31 19:28
→SFOJan 31 21:50
UA 2016Airbus A320
50m layover
SFOJan 31 22:40
→SINFeb 2 08:00
UA 1Boeing 787