AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Frankfurt (FRA) in August 2025 (see full year).

Return flights

14 Aug - 21 Aug	Icelandair
26 Aug - 07 Sep	Icelandair
17 Aug - 24 Aug	Icelandair
01 Aug - 13 Aug	Spirit Airlines
02 Aug - 14 Aug	Icelandair
26 Aug - 02 Sep	Lufthansa	direct
20 Aug - 27 Aug	Lufthansa
29 Aug - 05 Sep	Icelandair
08 Aug - 15 Aug	United
11 Aug - 18 Aug	United
06 Aug - 13 Aug	United
23 Aug - 30 Aug	Lufthansa	direct
30 Aug - 31 Aug	Condor

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

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 Raleigh-durham to Frankfurt in August from $589

Return flights