Cheapest return flights from Houston to Athens in September from $624

Best time to book flights for Houston (IAH) to Athens (ATH) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Athens (ATH) in September 2025 (see full year).

Return flights

19 Sep - 03 Oct Spirit Airlines
19 Sep - 26 Sep Spirit Airlines
09 Sep - 23 Sep Air Canada
21 Sep - 28 Sep Spirit Airlines
24 Sep - 01 Oct Air Canada
04 Sep - 11 Sep Spirit Airlines
16 Sep - 30 Sep Turkish Airlines
10 Sep - 17 Sep British Airways
05 Sep - 12 Sep Air Canada
06 Sep - 20 Sep Air Canada
06 Sep - 13 Sep Air France

Also check the deals for one-way flights from Houston to Athens in September.

Skyscanner

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.

Book a cheap hotel in Athens

Cheap car rent in Athens