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

Return flights

28 Jul - 10 Aug	Spirit Airlines
28 Jul - 20 Aug	United	direct
15 Jul - 05 Aug	Spirit Airlines
18 Jul - 16 Aug	Spirit Airlines
16 Jul - 23 Jul	Condor
18 Jul - 21 Jul	Spirit Airlines
16 Jul - 29 Jul	Spirit Airlines
28 Jul - 10 Aug	Lufthansa	direct
18 Jul - 21 Jul	Lufthansa	direct
19 Jul - 02 Aug	Lufthansa	direct
16 Jul - 23 Jul	Lufthansa	direct
15 Jul - 05 Aug	Lufthansa	direct
16 Jul - 29 Jul	Lufthansa	direct
18 Jul - 16 Aug	Lufthansa	direct
14 Jul - 13 Aug	jetBlue

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

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.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt

Cheapest return flights from Houston to Frankfurt in July from $855

Return flights