AirHint found the following cheapest return flights from Sydney (SYD) to Lisbon (LIS) in May 2026 (see full year).

Return flights

16 May - 10 Jun	Scoot
06 May - 20 May	Turkish Airlines
17 May - 10 Jun	Scoot
01 May - 16 May	Scoot
17 May - 07 Jun	Turkish Airlines
23 May - 30 May	Scoot
04 May - 24 Jun	British Airways
02 May - 18 May	British Airways
15 May - 25 May	Air France
05 May - 10 Jun	Air Canada
04 May - 10 Jun	Air Canada
03 May - 10 Jun	Air Canada
03 May - 11 Jun	Air Canada
03 May - 12 Jun	Air Canada
06 May - 27 May	Air France
01 May - 21 May	Emirates
23 May - 19 Jun	Emirates
22 May - 30 May	Emirates

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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Cheapest return flights from Sydney to Lisbon in May from 890€

Return flights