Cheapest return flights from Houston to Frankfurt in August from $634

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

Return flights

10 Aug - 26 Aug Frontier Airlines
03 Aug - 19 Aug Spirit Airlines
26 Aug - 02 Sep Spirit Airlines
14 Aug - 21 Aug Spirit Airlines
12 Aug - 26 Aug Spirit Airlines
27 Aug - 02 Sep Turkish Airlines
15 Aug - 24 Aug Spirit Airlines
12 Aug - 26 Aug Lufthansa direct
10 Aug - 26 Aug Lufthansa direct
03 Aug - 19 Aug United direct
10 Aug - 06 Sep Spirit Airlines
06 Aug - 12 Aug Spirit Airlines
26 Aug - 02 Sep Lufthansa direct
25 Aug - 17 Sep Lufthansa direct
28 Aug - 06 Sep Spirit Airlines
14 Aug - 21 Aug Lufthansa direct
31 Aug - 14 Sep Spirit Airlines
23 Aug - 05 Sep United direct
10 Aug - 06 Sep Lufthansa direct
15 Aug - 15 Sep Air Canada

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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