€510 Cheap flights to Southeast Asia

Etihad Airways, Qatar Airways and Emirates are the top three most popular airlines that fly to Southeast Asia according to our data. Etihad Airways is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 16 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

The flight from Ireland to Southeast Asia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to Kastrup Copenhagen (the most popular airport in Southeast Asia), then the flight time is 2h 05m on average. If you fly from Cork (another popular airport in Ireland) to Kastrup Copenhagen, then the average flight time is .

The best day of the week to fly to Southeast Asia is Wednesday due to prices being at their lowest. Flying out on a Tuesday should be a backup plan since this day tends to be less expensive as well. Sunday, on the other hand, is the most expensive day to fly to Southeast Asia.

Prices for flights to Southeast Asia are updated daily.

The number of operators available for flights to Southeast Asia is 33 as of September 2025.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Southeast Asia.

The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.