Cheapest return flights from Portland to Singapore in April from $1003

AirHint found the following cheapest return flights from Portland (PDX) to Singapore (SIN) in April 2026 (see full year).

Return flights

01 Apr - 30 Apr Alaska Airlines
23 Apr - 30 Apr Air Canada
04 Apr - 12 Apr Hawaiian Airlines

Also check the deals for one-way flights from Portland to Singapore in April.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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