Cheap Flights from Brussels to Bonn - Rhein-Sieg

View €184 flight on Wed, 3 Sep 2025Opens in a new window

Popular airlines from Brussels to Bonn - Rhein-Sieg

  • Air Baltic

    Air Baltic

  • KLM

    KLM

  • Lufthansa

    Lufthansa

  • Swiss International Air Lines

    Swiss International Air Lines

  • Austrian Airlines

    Austrian Airlines

  • ITA Airways

    ITA Airways

  • Brussels Airlines

    Brussels Airlines

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Cheap flights from Brussels to Bonn - Rhein-Sieg (BRU-CGN)

Prices were available within the past 7 days and start at €184 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Brussels (BRU) to Frankfurt (FRA)

February is typically the cheapest month to fly

From €135 - €231 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.