£36 Cheap flights to Southeast Europe

There are 25 airlines that fly to Southeast Europe on a routine basis, but Ryanair, easyJet and British Airways happen to be the most popular among our users. In the past year, 38% of those who searched for flights to Southeast Europe looked to travel with Ryanair, making this airline the top choice among momondo travellers.

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

Prices for flights to Southeast Europe were last updated today.

There are 59 operators available for flights to Southeast Europe as of November 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 necessary travel and health documents for your Southeast Europe trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.