Perth
Lisbon Humberto Delgado
2 stops
45h 10mThai Airways
Sydney Kingsford Smith
Lisbon Humberto Delgado
1 stop
44h 05mEtihad Airways
Perth
Lisbon Humberto Delgado
1 stop
28h 20mMultiple Airlines
Melbourne
Lisbon Humberto Delgado
1 stop
43h 30mLisbon Humberto Delgado
Melbourne
2 stops
48h 10mEtihad Airways
Melbourne
Lisbon Humberto Delgado
2 stops
36h 35mLisbon Humberto Delgado
Melbourne
2 stops
28h 15mFinnair
Melbourne
Lisbon Humberto Delgado
2 stops
36h 35mLisbon Humberto Delgado
Melbourne
2 stops
28h 40mMultiple Airlines
Melbourne
Porto
2 stops
35h 25mPorto
Melbourne
2 stops
34h 50mTurkish Airlines
Sydney Kingsford Smith
Lisbon Humberto Delgado
2 stops
40h 25mLisbon Humberto Delgado
Sydney Kingsford Smith
2 stops
37h 55mJapan Airlines
Melbourne
Lisbon Humberto Delgado
3 stops
31h 40mLisbon Humberto Delgado
Melbourne
2 stops
29h 40mBritish Airways
January
$4,055
February
$3,794
March
$3,009
April
$3,855
May
$3,766
June
$3,911
July
$2,432
August
$2,273
September
$3,913
October
$3,846
November
$2,954
December
$3,845
At the present moment the cheapest month to fly business class to Portugal is currently August; with January being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.