Cheapest return flights from Atlanta to Brussels in September from 478€

AirHint found the following cheapest return flights from Atlanta (ATL) to Brussels (BRU) in September 2025 (see full year).

Return flights

29 Sep - 06 Oct Scandinavian Airlines
22 Sep - 25 Sep Scandinavian Airlines
15 Sep - 18 Sep Frontier Airlines
25 Sep - 05 Oct Frontier Airlines
13 Sep - 04 Oct Spirit Airlines
19 Sep - 22 Sep Frontier Airlines
25 Sep - 05 Oct Air France direct
11 Sep - 04 Oct Frontier Airlines
13 Sep - 14 Sep Frontier Airlines
26 Sep - 03 Oct Lufthansa
12 Sep - 13 Sep Spirit Airlines
13 Sep - 14 Sep Air France direct

Also check the deals for one-way flights from Atlanta to Brussels in September.

Skyscanner

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 Brussels

Cheap car rent in Brussels

Feel free to contact us with any feedback or request another flight research.