AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Brussels (BRU) in September 2025 (see full year).
Return flights
| 07 Sep - 22 Sep | Frontier Airlines | ||
| 08 Sep - 15 Sep | Icelandair |
Also check the deals for one-way flights from Raleigh-durham to Brussels in September.
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.
Find us on social media