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

Return flights

04 Dec - 09 Dec	Turkish Airlines
02 Dec - 09 Dec	Turkish Airlines
04 Dec - 27 Dec	Turkish Airlines
02 Dec - 09 Dec	Lufthansa	direct
28 Dec - 08 Jan	Lufthansa
12 Dec - 21 Dec	Iberia
13 Dec - 19 Dec	Spirit Airlines
15 Dec - 31 Dec	Spirit Airlines
28 Dec - 08 Jan	United	direct
16 Dec - 03 Jan	Spirit Airlines
12 Dec - 21 Dec	Lufthansa	direct
22 Dec - 30 Dec	Spirit Airlines
16 Dec - 30 Dec	ITA Airways
23 Dec - 02 Jan	Air Canada
19 Dec - 10 Jan	Spirit Airlines
23 Dec - 02 Jan	Lufthansa	direct
19 Dec - 10 Jan	Lufthansa	direct
16 Dec - 03 Jan	Lufthansa	direct
19 Dec - 02 Jan	Lufthansa	direct

Also check the deals for one-way flights from Houston 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.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt

Cheapest return flights from Houston to Frankfurt in December from $763

Return flights