AirHint found the following cheapest return flights from Sydney (SYD) to Lisbon (LIS) in May 2026 (see full year).
Return flights
| 09 May - 18 May | British Airways | ||
| 11 May - 18 May | British Airways | ||
| 20 May - 03 Jun | Air Canada | ||
| 21 May - 26 Jun | Qatar Airways | ||
| 16 May - 06 Jun | Qatar Airways |
Also check the deals for one-way flights from Sydney to Lisbon in May.
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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