Earn point on your loyalty program!arrow arc left

Cheap flights from Portland (PDX) to Singapore (SIN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Portland (PDX) to Singapore (SIN)

How to find the cheapest flight from Portland (PDX) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Portland to Singapore in June , July 2026

09 Jun - 07 Jul $ 1,402.00
PDX
Portland
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
08 Jun - 09 Jul $ 1,685.00
PDX
Portland
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
09 Jun - 03 Jul $ 8,867.00
PDX
Portland
Alaska Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
1 STOPS
PDX
Portland
Pick dates

Last minute flights from Portland to Singapore

09 Jun - 30 Jun $ 1,474.00
PDX
Portland
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
08 Jun - 30 Jun $ 1,752.00
PDX
Portland
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
09 Jun - 30 Jun $ 4,574.00
PDX
Portland
Alaska Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates

One-way flights to Singapore from Portland

3:30 PM - 9:30 AM
Philippine Airlines
2 Stops
30h 45m
PDX - SIN
$ 637
Kiwi
Pick dates
7:00 AM - 11:10 AM
United Airlines
1 Stops
20h 35m
PDX - SIN
$ 925
Kiwi
Pick dates
5:46 PM - 8:05 AM
Starlux Airlines
2 Stops
27h 54m
PDX - SIN
$ 930
Kiwi
Pick dates

How to find the cheapest flight from Portland (PDX) to Singapore (SIN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.