AirHint found the following cheapest return flights from Washington (IAD) to Frankfurt (FRA) in January 2026 (see full year).

Return flights

20 Jan - 29 Jan	TAP
29 Jan - 12 Feb	TAP
28 Jan - 04 Feb	TAP
26 Jan - 02 Feb	TAP
21 Jan - 31 Jan	TAP
22 Jan - 29 Jan	TAP
25 Jan - 31 Jan	TAP
24 Jan - 31 Jan	TAP
31 Jan - 07 Feb	Scandinavian Airlines
23 Jan - 01 Feb	TAP
22 Jan - 10 Feb	TAP
31 Jan - 07 Feb	Lufthansa	direct
28 Jan - 04 Feb	Lufthansa	direct
25 Jan - 31 Jan	Lufthansa	direct
29 Jan - 12 Feb	Lufthansa	direct
26 Jan - 02 Feb	Lufthansa	direct
24 Jan - 31 Jan	Lufthansa	direct
20 Jan - 29 Jan	Lufthansa	direct
21 Jan - 31 Jan	Lufthansa	direct
22 Jan - 29 Jan	Lufthansa	direct

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

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 January from 394€

Return flights