AirHint found the following cheapest return flights from Washington (DCA) to Frankfurt (FRA) in December 2025 (see full year).

Return flights

11 Dec - 14 Dec	Scandinavian Airlines
29 Dec - 09 Jan	Air Canada
09 Dec - 17 Dec	Air Canada
24 Dec - 17 Jan	Air France
23 Dec - 21 Jan	Air Canada
22 Dec - 23 Jan	Air Canada
26 Dec - 10 Jan	British Airways
16 Dec - 16 Jan	Air Canada
08 Dec - 22 Dec	British Airways
11 Dec - 25 Dec	British Airways
03 Dec - 27 Dec	British Airways
23 Dec - 31 Dec	Icelandair
11 Dec - 22 Dec	British Airways
11 Dec - 17 Dec	British Airways
06 Dec - 09 Dec	Scandinavian Airlines
19 Dec - 09 Jan	British Airways
25 Dec - 04 Jan	British Airways
24 Dec - 04 Jan	British Airways
23 Dec - 27 Dec	Icelandair
19 Dec - 04 Jan	Air Canada

Also check the deals for one-way flights from Washington to Frankfurt in December.

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 Frankfurt in December from 688€

Return flights