Portland (PDX) to Singapore (SIN) flight deal in economy from $424
PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$853 USD
-50%$424 USD
Verified about 3 hours agoOctober 2026
Mon
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Fair Availability
23% of dates checked are available within 10% of the lowest price
Monday, October 26th, 2026
Outbound Flights
22h 5m·1 stop
$424 USD
PDXOct 26 07:10
→SFOOct 26 09:08
UA 2818Boeing 737MAX 8 Passenger
2h 32m layover
SFOOct 26 11:40
→SINOct 27 20:15
UA 29Boeing 787
33h 49m·1 stop
$436 USDPDXOct 26 19:26
→SFOOct 26 21:18
UA 2615Boeing 737MAX 8 Passenger
14h 22m layover·Overnight
SFOOct 27 11:40
→SINOct 28 20:15
UA 29Boeing 787
23h 40m·2 stops
$437 USDPDXOct 26 09:00
→SFOOct 26 10:55
UA 1114Boeing 737
50m layover
SFOOct 26 11:45
→NRTOct 27 15:05
UA 837Boeing 777
1h 55m layover
NRTOct 27 17:00
→SINOct 27 23:40
NH 803Boeing 787
20h 34m·1 stop
$1,626 USDPDXOct 26 19:26
→SFOOct 26 21:18
UA 2615Boeing 737MAX 8 Passenger
1h 22m layover
SFOOct 26 22:40
→SINOct 28 07:00
UA 1Boeing 787