The cheapest Lisbon to Abu Dhabi return flight on the radar right now is €688, flying with Turkish Airlines via one or more connections. It covers departures in March 2027, and every dated link below opens that exact LIS–AUH search on Skyscanner. The price we usually record on this route is €665. Across 87 recorded checks it has ranged between €456 and €1,057. Our sampling points to March 2027 as the cheapest month to fly Lisbon to Abu Dhabi.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Lisbon? We track 63 other departure cities for Abu Dhabi, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Lisbon to Abu Dhabi is often still worth booking within a day or two of the fare we found.