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

Return flights

07 Apr - 06 May	Turkish Airlines
15 Apr - 31 May	Turkish Airlines
24 Apr - 09 May	Turkish Airlines
30 Apr - 04 May	Turkish Airlines
05 Apr - 11 Apr	Turkish Airlines
02 Apr - 12 Apr	Scoot
03 Apr - 23 Apr	Turkish Airlines
06 Apr - 06 May	Air Canada
19 Apr - 05 May	Air Canada
04 Apr - 18 Apr	British Airways
06 Apr - 13 Apr	British Airways
17 Apr - 08 May	Air Canada

Also check the deals for one-way flights from Sydney to Lisbon in April.

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 April from $1111

Return flights