Cheapest return HOU–FRA flights, May

AirHint found the following cheapest return flights from Houston (HOU) to Frankfurt (FRA) in May 2026 (see full year).

Return flights

07 May - 19 May Spirit Airlines
10 May - 19 May Frontier Airlines
10 May - 26 May Frontier Airlines
28 May - 17 Jun Frontier Airlines
12 May - 19 May Frontier Airlines
26 May - 06 Jun Frontier Airlines
08 May - 21 May Frontier Airlines
21 May - 29 May Frontier Airlines
22 May - 31 May Frontier Airlines
24 May - 07 Jun Spirit Airlines
14 May - 28 May Spirit Airlines
14 May - 06 Jun Spirit Airlines
12 May - 19 May Lufthansa direct
10 May - 26 May Lufthansa direct
24 May - 07 Jun Lufthansa direct
28 May - 17 Jun Lufthansa direct
26 May - 06 Jun Lufthansa direct

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

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