Cheapest return flights from Portland to Athens in August from $588

Best time to book flights for Portland (PDX) to Athens (ATH) flights at AirHint

AirHint found the following cheapest return flights from Portland (PDX) to Athens (ATH) in August 2025 (see full year).

Return flights

16 Aug - 03 Sep Frontier Airlines
12 Aug - 27 Aug Virgin Atlantic
20 Aug - 03 Sep Virgin Atlantic
19 Aug - 02 Sep Scandinavian Airlines
20 Aug - 02 Sep Scandinavian Airlines
12 Aug - 26 Aug Delta
13 Aug - 27 Aug British Airways
13 Aug - 28 Aug British Airways
14 Aug - 27 Aug British Airways
14 Aug - 28 Aug Virgin Atlantic
15 Aug - 27 Aug Virgin Atlantic
21 Aug - 01 Sep British Airways

Also check the deals for one-way flights from Portland to Athens in August.

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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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