AirHint found the following cheapest one-way flights from Singapore (SIN) to Lisbon (LIS) in August 2026 (see full year).
One-Way flights
| 10 Aug | Etihad Airways | ||
| 05 Aug | Etihad Airways | ||
| 18 Aug | AirAsia | ||
| 03 Aug | Etihad Airways | ||
| 27 Aug | Saudia | ||
| 29 Aug | Saudia | ||
| 08 Aug | Etihad Airways | ||
| 09 Aug | Etihad Airways | ||
| 02 Aug | Etihad Airways | ||
| 17 Aug | Etihad Airways |
Also check the deals for return flights from Singapore to Lisbon in August.
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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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