Portland (PDX) to Singapore (SIN) flight deal in economy from $464

ACAir Canada

One Way•Economy

PDX

Portland International Airport

Portland, United States

SIN

Singapore Changi Airport

Singapore, Singapore

$639 USD

-27%$464 USD

Verified about 4 hours ago

August 2026

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Good Availability

58% of dates checked are available within 10% of the lowest price

Thursday, August 20th, 2026

Outbound Flights

18h 30m·1 stop

$464 USD

PDXAug 20 19:45

→

YVRAug 20 21:00

AC 8655De Havilland-Bombardier Dash-8

1h 50m layover

YVRAug 20 22:50

→

SINAug 22 05:15

AC 19Boeing 787

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