Portland (PDX) to Singapore (SIN) cheap flight deal from $619 USD in economy class

ACAir Canada

Round Trip

•

Economy

PDX

Portland International Airport

Portland, United States

SIN

Singapore Changi Airport

Singapore, Singapore

$984 USD

-37%$619 USD

Verified 1 day ago

July 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15$947 16$818 17$774 18$774 19$936 20$755 21$768 22$755 23$768 24$768 25$923 26$948 27$904 28$796 29$824 30$796 31$970 1$1,303 2$1,317 3$783

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Wednesday, July 16th, 2025

10 round-trip options

Returning

Mon, Jul 21, 2025•5 Day Trip

$1,509 USD

Google Flights

Returning

Tue, Jul 22, 2025•6 Day Trip

$1,052 USD

Google Flights

Returning

Wed, Jul 23, 2025•7 Day Trip

$1,507 USD

Google Flights

Returning

Thu, Jul 24, 2025•8 Day Trip

$1,318 USD

Google Flights

Returning

Fri, Jul 25, 2025•9 Day Trip

$1,507 USD

Google Flights

Returning

Sat, Jul 26, 2025•10 Day Trip

$1,074 USD

Google Flights

Returning

Sun, Jul 27, 2025•11 Day Trip

$967 USD

Google Flights

Returning

Mon, Jul 28, 2025•12 Day Trip

$1,507 USD

Google Flights

Returning

Tue, Jul 29, 2025•13 Day Trip

$818 USD

Google Flights

Returning

Wed, Jul 30, 2025•14 Day Trip

$1,507 USD

Google Flights