Cheapest return flights from Washington to Frankfurt in December from $602

Best time to book flights for Washington (IAD) to Frankfurt (FRA) flights at AirHint

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

Return flights

04 Dec - 13 Dec Icelandair
06 Dec - 17 Dec Aer Lingus
12 Dec - 23 Dec British Airways
13 Dec - 28 Dec British Airways
06 Dec - 17 Dec Lufthansa direct
12 Dec - 23 Dec Lufthansa direct
06 Dec - 21 Dec Lufthansa direct
04 Dec - 13 Dec Lufthansa direct
13 Dec - 28 Dec Lufthansa direct
12 Dec - 02 Jan Aer Lingus
25 Dec - 03 Jan ITA Airways
12 Dec - 02 Jan United direct
23 Dec - 03 Jan United
23 Dec - 03 Jan Lufthansa direct
25 Dec - 03 Jan Lufthansa direct

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

Skyscanner

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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