Cheapest return flights from Portland to Singapore in June from $1082
AirHint found the following cheapest return flights from Portland (PDX) to Singapore (SIN) in June 2025 (see full year).
Return flights
| 26 Jun - 10 Jul | China Eastern |
Also check the deals for one-way flights from Portland to Singapore in June.
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.
