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

Return flights

30 Sep - 07 Oct	Air France
11 Sep - 18 Sep	Air France
16 Sep - 23 Sep	Virgin Atlantic
10 Sep - 17 Sep	Air France
20 Sep - 27 Sep	Air France
18 Sep - 25 Sep	Air France
24 Sep - 01 Oct	Air France
04 Sep - 11 Sep	Air France
03 Sep - 10 Sep	KLM
13 Sep - 27 Sep	Air France
08 Sep - 15 Sep	Virgin Atlantic
09 Sep - 16 Sep	Air France
27 Sep - 04 Oct	Virgin Atlantic
28 Sep - 05 Oct	Air France
26 Sep - 03 Oct	Virgin Atlantic
25 Sep - 02 Oct	Air France
29 Sep - 06 Oct	KLM

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

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 Long Beach to Athens in September from 550€

Return flights