Popular airline pairings for Athens International Airport (ATH) to Myrtle Beach International Airport (MYR) itineraries in June include Aegean Airlines or Turkish Airlines to a European hub, then a transatlantic carrier (British Airways, Delta, or American Airlines) to a U.S. gateway and a domestic partner to MYR. Aegean (Star Alliance partner codeshares) often provides smooth European connections; Turkish Airlines offers dense connections via Istanbul (IST); British Airways frequently connects via London (LHR). For U.S. domestic legs into MYR, American and Delta provide the most frequent seasonal service. When comparing, weigh fare, checked-bag allowances, seat comfort on long transatlantic legs, and alliance baggage policies. CTA: Compare flight combos and alliance benefits now to choose the best ATH–MYR itinerary for June.