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

Return flights

07 May - 14 May	Turkish Airlines
06 May - 11 May	Turkish Airlines
09 May - 16 May	Turkish Airlines
07 May - 21 May	Turkish Airlines
14 May - 27 May	Turkish Airlines
02 May - 09 May	Turkish Airlines
12 May - 23 May	Turkish Airlines
10 May - 24 May	Turkish Airlines
01 May - 23 May	Turkish Airlines
25 May - 08 Jun	WestJet
15 May - 23 May	Turkish Airlines
28 May - 11 Jun	WestJet

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 $640

Return flights