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

Return flights

16 May - 24 May	British Airways
19 May - 02 Jun	Spirit Airlines
27 May - 06 Jun	ITA Airways
26 May - 03 Jun	WestJet
30 May - 08 Jun	Spirit Airlines
22 May - 05 Jun	Spirit Airlines
26 May - 02 Jun	British Airways
23 May - 13 Jun	Spirit Airlines
19 May - 26 May	Turkish Airlines
29 May - 05 Jun	Turkish Airlines
24 May - 31 May	Turkish Airlines

Also check the deals for one-way flights from Houston 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 Houston to Athens in May from 673€

Return flights