AirHint found the following cheapest one-way flights from Frankfurt (FRA) to Brussels (BRU) in August 2025 (see full year).

One-Way flights

26 Aug	Ryanair
25 Aug	Ryanair
18 Aug	Ryanair
05 Aug	Ryanair
31 Aug	Ryanair
22 Aug	Ryanair
01 Aug	Ryanair
26 Aug	Brussels Airlines	direct
22 Aug	Brussels Airlines	direct
29 Aug	Brussels Airlines	direct

Also check the deals for return flights from Frankfurt to Brussels 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 one-way flights from Frankfurt to Brussels in August from 68€

One-Way flights