AirHint found the following cheapest one-way flights from Singapore (SIN) to Lisbon (LIS) in August 2025 (see full year).
One-Way flights
| 08 Aug | IndiGo | ||
| 11 Aug | Etihad Airways | ||
| 28 Aug | Air India | ||
| 26 Aug | Scoot Tigerair | ||
| 20 Aug | China Southern | ||
| 09 Aug | Air India | ||
| 30 Aug | Thai AirAsia | ||
| 12 Aug | Etihad Airways | ||
| 13 Aug | IndiGo | ||
| 27 Aug | Air India |
Also check the deals for return flights from Singapore to Lisbon 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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