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

Return flights

04 May - 12 May	Turkish Airlines
11 May - 19 May	Turkish Airlines
05 May - 13 May	Air Canada
06 May - 14 May	Air Canada
12 May - 20 May	Air Canada
13 May - 21 May	Air Canada
07 May - 15 May	Turkish Airlines
12 May - 19 May	Turkish Airlines
14 May - 19 May	Turkish Airlines
06 May - 13 May	Turkish Airlines
18 May - 29 Jun	Lufthansa
26 May - 02 Jun	WestJet
25 May - 02 Jun	WestJet
25 May - 01 Jun	WestJet
29 May - 06 Jun	Volaris
31 May - 08 Jun	WestJet
28 May - 04 Jun	WestJet
27 May - 04 Jun	WestJet
26 May - 03 Jun	WestJet
30 May - 06 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 491€

Return flights