Cheap flights from Sydney to Lisbon
one-way from A$990AUD*
Fly into Madrid (MAD) instead
Flying Sydney → Madrid costs from A$837 — a nearby gateway to Lisbon. Land here and finish the trip overland to save on the fare.
vs flying to Lisbon
Cheapest Sydney → Lisbon fares right now
Cheapest around 03-Dec-2026
A$990
one-way
Compare live prices
Compare on Google Flights
A$1,016
one-way
Compare live prices
Compare on Google FlightsA$1,026
one-way
Compare live prices
Compare on Google FlightsA$1,026
one-way
Compare live prices
Compare on Google Flights*Indicative live fares for a sample date, in AUD. Prices change at booking — search for your exact dates above.
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Flying Sydney to Lisbon
Sky Spy compares live one-way fares from Sydney (SYD) to Lisbon (LIS), pulling prices directly and ranking them cheapest-first in AUD. Rather than checking airlines one at a time, you see the best Sydney–Lisbon deals in a single sortable view — including smart self-transfer connections through hub cities that most search engines hide.
Flexible on exactly where you land in Portugal? Search the whole region at once and let Sky Spy surface the cheapest entry point.
Tips for a cheaper SYD → LIS fare
- Fares to Portugal are usually lowest outside school holidays and peak summer.
- Use the ±days search to find the single cheapest day to fly SYD → LIS.
- One-way pricing lets you mix airlines for the lowest total trip cost.
- Mid-week departures (Tue–Thu) often beat weekend fares.