AirHint found the following cheapest return flights from Washington (IAD) to Athens (ATH) in April 2026 (see full year).

Return flights

29 Apr - 13 May	Scandinavian Airlines
21 Apr - 28 Apr	Turkish Airlines
15 Apr - 28 Apr	British Airways
02 Apr - 09 Apr	Turkish Airlines
22 Apr - 29 Apr	Turkish Airlines
12 Apr - 19 Apr	Turkish Airlines
11 Apr - 18 Apr	Turkish Airlines
01 Apr - 08 Apr	United	direct
22 Apr - 29 Apr	United	direct
29 Apr - 13 May	United	direct
12 Apr - 19 Apr	United	direct

Also check the deals for one-way flights from Washington to Athens in April.

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 Washington to Athens in April from 433€

Return flights