Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
High demand for flights, 9% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in May 2021
From Sydney to Portugal
One-way flight from Sydney to Portugal
Cheapest prices for Portugal flights by month
The cheapest ticket to Portugal found for each month in 2021 based on historical flight searches by Cheapflights users.
At the present moment the cheapest month to fly to Portugal is currently March; with December being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.
When is the best time to fly to Portugal?
Average Lisbon Humberto Delgado flight ticket prices and weather conditions for 2021 and 2022 by month.
SYD - LIS
$1,058 - $1,889
15 - 29 °C
0 - 30 mm
The best time to fly to Portugal is during March, but great deals can be found at other times. If you are looking for warm weather when you arrive off of your flight to Portugal then July is statistically the hottest. July is historically the period with most rainfall.
When is the best time to book a flight to Portugal?
The best time to book flights to Portugal is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Which day is cheapest to fly to Portugal?
The cheapest flights to Portugal are usually found when departing on a Monday. The departure day with the highest cost at present is Thursday.
What time of day is cheapest to fly to Portugal?
Flights at midday are typically the cheapest time of the day to fly to Portugal. Flights in the morning are usually the most expensive.
Alternative, similarly priced destinations
See alternative destinations where airfare is generally forecast to be close to Portugal flight prices.