Cheapest return flights from Houston to Cologne in April from $626

AirHint found the following cheapest return flights from Houston (IAH) to Cologne (CGN) in April 2026 (see full year).

Return flights

14 Apr - 22 Apr Frontier Airlines
15 Apr - 22 Apr Frontier Airlines
14 Apr - 21 Apr Frontier Airlines
15 Apr - 21 Apr Frontier Airlines
08 Apr - 15 Apr Spirit Airlines
07 Apr - 22 Apr Hawaiian Airlines
07 Apr - 15 Apr Frontier Airlines
06 Apr - 13 Apr Frontier Airlines

Also check the deals for one-way flights from Houston to Cologne in April.

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