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

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Portland (PDX) to Singapore (SIN)

How to find the cheapest flight from Portland (PDX) to Singapore (SIN)
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How to find the cheapest flight from Portland (PDX) to Singapore (SIN)
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How to find the cheapest flight from Portland (PDX) to Singapore (SIN)
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Cheap flights from Portland to Singapore in August , September 2026

27 Aug - 10 Sep $ 1,139.00
PDX
Portland
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
PDX
Portland
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25 Aug - 10 Sep $ 1,186.00
PDX
Portland
Air Canada
2 STOPS
SIN
Singapore
SIN
Singapore
Air Canada
1 STOPS
PDX
Portland
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20 Aug - 10 Sep $ 1,680.00
PDX
Portland
Air Canada
1 STOPS
SIN
Singapore
SIN
Singapore
Air Canada
1 STOPS
PDX
Portland
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Last minute flights from Portland to Singapore

23 Aug - 31 Aug $ 1,137.00
PDX
Portland
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
PDX
Portland
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23 Aug - 31 Aug $ 1,137.00
PDX
Portland
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
PDX
Portland
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20 Aug - 31 Aug $ 1,991.00
PDX
Portland
Alaska Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
PDX
Portland
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One-way flights to Singapore from Portland

10:30 AM - 6:05 PM
Alaska Airlines
2 Stops
22h 50m
PDX - SIN
$ 528
Kiwi
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10:30 AM - 6:05 PM
Alaska Airlines
2 Stops
22h 50m
PDX - SIN
$ 528
Kiwi
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7:15 PM - 10:50 PM
United Airlines
1 Stops
20h
PDX - SIN
$ 674
Kiwi
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How to find the cheapest flight from Portland (PDX) to Singapore (SIN)

Related info for your journey
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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.