AirHint found the following cheapest return flights from Singapore (SIN) to Lisbon (LIS) in May 2026 (see full year).
Return flights
| 13 May - 18 May | Etihad Airways | ||
| 20 May - 02 Jun | Etihad Airways | ||
| 31 May - 10 Jun | Etihad Airways | ||
| 23 May - 31 May | Etihad Airways | ||
| 22 May - 23 May | British Airways | ||
| 29 May - 09 Jun | Emirates |
Also check the deals for one-way flights from Singapore to Lisbon in May.
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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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