Cheapest return flights from Denver to Athens in December from 512€

AirHint found the following cheapest return flights from Denver (DEN) to Athens (ATH) in December 2025 (see full year).

Return flights

31 Dec - 08 Jan British Airways
03 Dec - 10 Dec United
08 Dec - 15 Dec United
31 Dec - 07 Jan Lufthansa
30 Dec - 07 Jan Lufthansa
30 Dec - 06 Jan British Airways
29 Dec - 06 Jan British Airways
28 Dec - 05 Jan British Airways
23 Dec - 31 Dec Lufthansa
22 Dec - 30 Dec Air Canada
25 Dec - 08 Jan Lufthansa
24 Dec - 01 Jan Lufthansa
25 Dec - 02 Jan Air Canada
22 Dec - 05 Jan British Airways
21 Dec - 29 Dec Lufthansa
18 Dec - 25 Dec United
13 Dec - 20 Dec United

Also check the deals for one-way flights from Denver to Athens in December.

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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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