AirHint found the following cheapest return flights from Lisbon (LIS) to Singapore (SIN) in August 2026 (see full year).
Return flights
| 03 Aug - 12 Aug | Etihad Airways | ||
| 15 Aug - 04 Sep | Finnair | ||
| 01 Aug - 15 Aug | easyJet |
Also check the deals for one-way flights from Lisbon to Singapore in August.
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