€51 Cheap flights to Southeast Europe

Lufthansa, KLM and Aer Lingus are the top three most popular airlines that fly to Southeast Europe according to our data. Lufthansa is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Southeast Europe. Keep in mind that there are 8 different airlines that fly to Southeast Europe on a routine basis, so you have a few additional options to choose from.

Saturday is the best day of the week to fly to Southeast Europe based on flight prices. Friday is another affordable option. If you are looking to save money on flights to Southeast Europe, then try to avoid flying out on a Tuesday since this is when prices are at their highest.

Prices for flights to Southeast Europe are updated daily.

The number of operators available for flights to Southeast Europe is 19 as of December 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 Europe.

The required travel and health documents for your Southeast Europe 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 Europe. We recommend that you seek guidance from your airline or a reliable third party such as IATA.