Cheapest return flights from Houston to Frankfurt in December from $711

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

Return flights

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

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

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