Portland (PDX) to Singapore (SIN) cheap flight deal from $718 USD in economy class

ACAir Canada

Round Trip•Economy

PDX

Portland International Airport

Portland, United States

SIN

Singapore Changi Airport

Singapore, Singapore

$1,046 USD

-31%$718 USD

Verified about 1 hour 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 16 17$774 18$774 19$1,174 20$755 21$768 22$755 23$768 24$768 25$1,424 26$1,723 27$1,023 28$1,036 29$824 30$824 31$830 1$1,331 2$1,438 3$904

Fair Availability

36% of dates checked are available within 10% of the lowest price

Wednesday, July 23rd, 2025

10 round-trip options

Returning

Mon, Jul 28, 2025•5 Day Trip

$1,456 USD

Google Flights

Returning

Tue, Jul 29, 2025•6 Day Trip

$768 USD

Google Flights

Returning

Wed, Jul 30, 2025•7 Day Trip

$1,456 USD

Google Flights

Returning

Thu, Jul 31, 2025•8 Day Trip

$1,455 USD

Google Flights

Returning

Fri, Aug 1, 2025•9 Day Trip

$1,811 USD

Google Flights

Returning

Sat, Aug 2, 2025•10 Day Trip

$1,250 USD

Google Flights

Returning

Sun, Aug 3, 2025•11 Day Trip

$1,250 USD

Google Flights

Returning

Mon, Aug 4, 2025•12 Day Trip

$1,459 USD

Google Flights

Returning

Tue, Aug 5, 2025•13 Day Trip

$1,220 USD

Google Flights

Returning

Wed, Aug 6, 2025•14 Day Trip

$1,478 USD

Google Flights