Cheap flights from Oslo to Bonn - Rhein-Sieg

View AU$284 flight on Sun, 3 Aug. 2025Opens in a new window

Popular airlines from Oslo to Bonn - Rhein-Sieg

  • Air France

    Air France

  • Finnair

    Finnair

  • KLM

    KLM

  • Air Baltic

    Air Baltic

  • Lufthansa

    Lufthansa

  • LOT-Polish Airlines

    LOT-Polish Airlines

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap Flights from Oslo (OSL) 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.

Lufthansa
Sun, 31 Aug. - Sat, 6 Sep.
OSL
Oslo
CGN
Cologne
AU$338 Return, found 2 days ago
AU$338
Return
found 2 days ago
Select Lufthansa flight, departing Sun, 31 Aug. from Oslo to Cologne, returning Sat, 6 Sep., priced at AU$338 found 2 days ago
Lufthansa
Sun, 31 Aug. - Sat, 6 Sep.
OSL
Oslo
CGN
Cologne
AU$352 Return, found 2 days ago
AU$352
Return
found 2 days ago
Select Lufthansa flight, departing Sun, 31 Aug. from Oslo to Cologne, returning Sat, 6 Sep., priced at AU$352 found 2 days ago
Lufthansa
Sun, 31 Aug. - Sat, 6 Sep.
OSL
Oslo
CGN
Cologne
AU$365 Return, found 2 days ago
AU$365
Return
found 2 days ago
Select Lufthansa flight, departing Sun, 31 Aug. from Oslo to Cologne, returning Sat, 6 Sep., priced at AU$365 found 2 days ago
Swiss International Air Lines
Sun, 31 Aug. - Sat, 6 Sep.
OSL
Oslo
CGN
Cologne
AU$471 Return, found 2 days ago
AU$471
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Sun, 31 Aug. from Oslo to Cologne, returning Sat, 6 Sep., priced at AU$471 found 2 days ago
British Airways
Sun, 31 Aug. - Sat, 6 Sep.
OSL
Oslo
CGN
Cologne
AU$1,267 Return, found 2 days ago
AU$1,267
Return
found 2 days ago
Select British Airways flight, departing Sun, 31 Aug. from Oslo to Cologne, returning Sat, 6 Sep., priced at AU$1,267 found 2 days ago
Air Baltic
Sun, 31 Aug. - Sat, 6 Sep.
OSL
Oslo
CGN
Cologne
AU$1,411 Return, found 2 days ago
AU$1,411
Return
found 2 days ago
Select Air Baltic flight, departing Sun, 31 Aug. from Oslo to Cologne, returning Sat, 6 Sep., priced at AU$1,411 found 2 days ago

Find the cheapest month to fly from Oslo (OSL) to Frankfurt (FRA)

November is typically the cheapest month to fly

From AU$229 - AU$386 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.