Cheap flights from Brussels to Bonn - Rhein-Sieg

View AU$153 flight on Tue, 19 Aug. 2025Opens in a new window

Popular airlines from Brussels to Bonn - Rhein-Sieg

  • British Airways

    British Airways

  • Lufthansa

    Lufthansa

  • Swiss International Air Lines

    Swiss International Air Lines

  • Austrian Airlines

    Austrian Airlines

  • Brussels Airlines

    Brussels Airlines

  • ITA Airways

    ITA Airways

  • KLM

    KLM

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

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

Austrian Airlines
Thu, 28 Aug. - Mon, 1 Sep.
BRU
Brussels
CGN
Cologne
AU$407 Return, found 5 days ago
AU$407
Return
found 5 days ago
Select Austrian Airlines flight, departing Thu, 28 Aug. from Brussels to Cologne, returning Mon, 1 Sep., priced at AU$407 found 5 days ago
Austrian Airlines
Thu, 28 Aug. - Mon, 1 Sep.
BRU
Brussels
CGN
Cologne
AU$438 Return, found 5 days ago
AU$438
Return
found 5 days ago
Select Austrian Airlines flight, departing Thu, 28 Aug. from Brussels to Cologne, returning Mon, 1 Sep., priced at AU$438 found 5 days ago
Austrian Airlines
Thu, 28 Aug. - Mon, 1 Sep.
BRU
Brussels
CGN
Cologne
AU$478 Return, found 5 days ago
AU$478
Return
found 5 days ago
Select Austrian Airlines flight, departing Thu, 28 Aug. from Brussels to Cologne, returning Mon, 1 Sep., priced at AU$478 found 5 days ago
Lufthansa
Fri, 10 Oct. - Sat, 11 Oct.
BRU
Brussels
CGN
Cologne
AU$488 Return, found 5 days ago
AU$488
Return
found 5 days ago
Select Lufthansa flight, departing Fri, 10 Oct. from Brussels to Cologne, returning Sat, 11 Oct., priced at AU$488 found 5 days ago
Swiss International Air Lines
Fri, 29 Aug. - Mon, 1 Sep.
BRU
Brussels
CGN
Cologne
AU$568 Return, found 5 days ago
AU$568
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Fri, 29 Aug. from Brussels to Cologne, returning Mon, 1 Sep., priced at AU$568 found 5 days ago
British Airways
Thu, 28 Aug. - Mon, 1 Sep.
BRU
Brussels
CGN
Cologne
AU$676 Return, found 5 days ago
AU$676
Return
found 5 days ago
Select British Airways flight, departing Thu, 28 Aug. from Brussels to Cologne, returning Mon, 1 Sep., priced at AU$676 found 5 days ago

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

February is typically the cheapest month to fly

From AU$243 - AU$415 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.