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

Return flights

04 May - 11 May	Scandinavian Airlines
05 May - 16 May	Scandinavian Airlines
21 May - 28 May	Condor
15 May - 30 May	Scandinavian Airlines
24 May - 05 Jun	Condor
19 May - 13 Jun	Scandinavian Airlines
18 May - 13 Jun	Air Canada
29 May - 07 Jun	Condor
27 May - 20 Jun	WestJet
30 May - 20 Jun	WestJet

Also check the deals for one-way flights from San Francisco 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 San Francisco to Athens in May from $505

Return flights