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

Return flights

01 Dec - 10 Dec	Air Canada
25 Dec - 17 Jan	Scandinavian Airlines
26 Dec - 17 Jan	British Airways
04 Dec - 13 Dec	jetBlue
24 Dec - 10 Jan	British Airways
15 Dec - 16 Jan	Scandinavian Airlines
23 Dec - 10 Jan	British Airways
24 Dec - 30 Dec	Air Canada
23 Dec - 08 Jan	jetBlue
07 Dec - 12 Dec	Icelandair
24 Dec - 31 Dec	American Airlines
15 Dec - 17 Jan	British Airways
16 Dec - 17 Jan	British Airways
16 Dec - 18 Jan	British Airways
08 Dec - 13 Dec	Icelandair
05 Dec - 15 Dec	British Airways
17 Dec - 31 Dec	jetBlue
01 Dec - 07 Dec	British Airways
18 Dec - 01 Jan	jetBlue
15 Dec - 29 Dec	British Airways

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 $676

Return flights