Cheapest return flights from St. Louis to Athens in May from $775

Best time to book flights for St. Louis (STL) to Athens (ATH) flights at AirHint

AirHint found the following cheapest return flights from St. Louis (STL) to Athens (ATH) in May 2025 (see full year).

Return flights

10 May - 19 May Air Canada
10 May - 18 May Frontier Airlines
07 May - 14 May United
06 May - 13 May Delta
14 May - 21 May Delta
05 May - 12 May United
11 May - 18 May Delta
03 May - 10 May United
09 May - 16 May United
15 May - 22 May United
14 May - 07 Jun Delta
27 May - 03 Jun United
22 May - 02 Jun Air Canada
30 May - 06 Jun United
26 May - 02 Jun Delta

Also check the deals for one-way flights from St. Louis to Athens in May.

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.

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