Cheapest return flights from Houston to Copenhagen in December from $651

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

Return flights

05 Dec - 15 Dec Spirit Airlines
05 Dec - 14 Dec Spirit Airlines
08 Dec - 15 Dec Scandinavian Airlines
09 Dec - 16 Dec Spirit Airlines
05 Dec - 16 Dec Frontier Airlines
15 Dec - 10 Jan Spirit Airlines
23 Dec - 17 Jan Spirit Airlines
09 Dec - 15 Dec United
27 Dec - 10 Jan Frontier Airlines
02 Dec - 09 Dec Scandinavian Airlines
03 Dec - 10 Dec Scandinavian Airlines
01 Dec - 08 Dec Scandinavian Airlines
26 Dec - 11 Jan Spirit Airlines
04 Dec - 11 Dec Scandinavian Airlines
23 Dec - 06 Jan Frontier Airlines
24 Dec - 01 Jan Frontier Airlines
23 Dec - 04 Jan Spirit Airlines
26 Dec - 02 Jan Scandinavian Airlines
27 Dec - 03 Jan Scandinavian Airlines
28 Dec - 04 Jan Scandinavian Airlines

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

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