Portland (PDX) to Singapore (SIN) flight deal in economy from $424

United AirlinesUAUnited Airlines
One Way•Economy
United StatesPDX

Portland International Airport

Portland, United States
SingaporeSIN

Singapore Changi Airport

Singapore, Singapore
$853 USD
-50%$424 USD
Verified about 3 hours ago
Fair Availability
23% of dates checked are available within 10% of the lowest price

Friday, October 23rd, 2026

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