AirHint found the following cheapest return flights from Charlotte (CLT) to Athens (ATH) in May 2026 (see full year).

Return flights

04 May - 14 May	Spirit Airlines
08 May - 18 May	Spirit Airlines
07 May - 21 May	Spirit Airlines
06 May - 13 May	Frontier Airlines
06 May - 15 May	Spirit Airlines
05 May - 12 May	Spirit Airlines
18 May - 25 May	Spirit Airlines
07 May - 16 May	Spirit Airlines
15 May - 23 May	Spirit Airlines
10 May - 24 May	Spirit Airlines
26 May - 03 Jun	Spirit Airlines
17 May - 21 Jun	Frontier Airlines
26 May - 17 Jun	Delta

Also check the deals for one-way flights from Charlotte to Athens in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Charlotte to Athens in May from 509€

Return flights