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

Return flights

01 May - 12 May	Spirit Airlines
13 May - 27 May	Spirit Airlines
17 May - 03 Jun	Spirit Airlines
16 May - 30 May	Spirit Airlines
21 May - 28 May	Spirit Airlines
15 May - 24 May	Spirit Airlines
26 May - 06 Jun	Spirit Airlines
01 May - 12 May	Lufthansa	direct
02 May - 15 May	Air Canada
30 May - 16 Jun	Spirit Airlines
27 May - 11 Jun	Spirit Airlines
17 May - 03 Jun	Lufthansa	direct
16 May - 30 May	Lufthansa	direct
21 May - 28 May	Lufthansa	direct

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

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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Cheapest return flights from Houston to Frankfurt in May from 583€

Return flights