AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Singapore (SIN) in August 2025 (see full year).
Return flights
| 14 Aug - 21 Aug | Alaska Airlines | ||
| 15 Aug - 22 Aug | United | ||
| 16 Aug - 23 Aug | United |
Also check the deals for one-way flights from Raleigh-durham to Singapore in August.
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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