Cheapest return flights from Houston to Frankfurt in December from 575€

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

Return flights

03 Dec - 16 Dec Spirit Airlines
02 Dec - 16 Dec Spirit Airlines
09 Dec - 16 Dec Spirit Airlines
05 Dec - 16 Dec Spirit Airlines
04 Dec - 16 Dec Frontier Airlines
02 Dec - 09 Dec Spirit Airlines
03 Dec - 17 Dec Spirit Airlines
17 Dec - 10 Jan Spirit Airlines
29 Dec - 09 Jan Spirit Airlines
07 Dec - 23 Dec Lufthansa direct
10 Dec - 14 Jan United
03 Dec - 16 Dec Lufthansa direct
09 Dec - 16 Dec Lufthansa direct
29 Dec - 09 Jan Lufthansa direct
25 Dec - 17 Jan United
25 Dec - 17 Jan Lufthansa direct
19 Dec - 10 Jan WestJet
19 Dec - 04 Jan jetBlue
20 Dec - 04 Jan Frontier Airlines
19 Dec - 10 Jan Lufthansa direct

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

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