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

Return flights

30 Jan - 21 Feb	Frontier Airlines
29 Jan - 28 Feb	TAP
31 Jan - 28 Feb	TAP
29 Jan - 21 Feb	TAP
23 Jan - 23 Feb	TAP
24 Jan - 28 Feb	Frontier Airlines
28 Jan - 21 Feb	TAP
24 Jan - 21 Feb	Frontier Airlines
30 Jan - 27 Feb	Frontier Airlines
26 Jan - 27 Feb	TAP
16 Jan - 26 Jan	Frontier Airlines
14 Jan - 18 Jan	Royal Air Maroc
03 Jan - 12 Jan	SWISS
04 Jan - 15 Jan	SWISS
15 Jan - 18 Jan	Aer Lingus

Also check the deals for one-way flights from Washington to Hahn 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 Hahn in January from 545€

Return flights