Cheapest return flights from Houston to Frankfurt in December from $613

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

Return flights

12 Dec - 16 Jan Spirit Airlines
30 Dec - 24 Jan Spirit Airlines
24 Dec - 16 Jan Frontier Airlines
10 Dec - 18 Dec Spirit Airlines
11 Dec - 18 Dec Frontier Airlines
17 Dec - 10 Jan Spirit Airlines
30 Dec - 06 Jan Spirit Airlines
21 Dec - 10 Jan Frontier Airlines
18 Dec - 10 Jan Frontier Airlines
04 Dec - 18 Dec Spirit Airlines
16 Dec - 07 Jan Spirit Airlines
25 Dec - 06 Jan Frontier Airlines
10 Dec - 22 Dec Spirit Airlines
30 Dec - 05 Jan Spirit Airlines
15 Dec - 31 Dec Spirit Airlines
04 Dec - 09 Dec Aer Lingus
12 Dec - 19 Dec Spirit Airlines
14 Dec - 28 Dec Frontier Airlines
17 Dec - 29 Dec Spirit Airlines
15 Dec - 28 Dec Spirit Airlines

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

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