Flights from Oslo to Cologne

The cheapest round-trip from Oslo to Cologne is about 171 EUR, usually in April 2027; July 2026 is priciest, so booking the low month saves around 133 EUR (~44%). Typical fare ~241 EUR, from 122 priced fares. Flightmussy live data, updated 2026-06-03.

Cheap flights from Oslo (OSL/TRF) to Cologne (CGN). Free, no signup, no ads, no tracking. Compare every airline across 12 months of fares on one heatmap — including low-cost carriers Google Flights often deprioritises.

Fare insights: Oslo to Cologne

Cheapest round-trip seen: 171 EUR, usually around April 2027. Typical fare ~241 EUR. Across the year prices range roughly 171–304 EUR — about 44% cheaper in the low season than the peak (July 2026). Carriers on this route include Lufthansa, Austrian, Eurowings.

Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-03. Prices change constantly — search live for current fares.

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Frequently asked questions

What is the cheapest month to fly from Oslo to Cologne?
The cheapest round-trip fares from Oslo to Cologne start around 171 EUR and are typically lowest in April 2027; July 2026 is the most expensive. Fares swing about 44% across the year. (Flightmussy live data, updated 2026-06-03.)
How much does a flight from Oslo to Cologne typically cost?
Typical round-trip is ~241 EUR; across the year fares run 171–304 EUR, cheapest 171 EUR in April 2027. Based on 122 priced fares, updated 2026-06-03.
How much can I save flying Oslo to Cologne in the cheapest month?
Booking the April 2027 low instead of the July 2026 peak saves about 133 EUR (~44%) per round-trip. Updated 2026-06-03.
Which airlines fly from Oslo to Cologne?
Carriers seen on Oslo → Cologne in recent searches: Lufthansa, Austrian, Eurowings. Flightmussy compares every carrier serving Oslo → Cologne, including budget airlines like Ryanair, easyJet, Wizz Air and AirAsia that Google Flights often deprioritises.
Do I need to sign up to search flights from Oslo to Cologne?
No. Flightmussy is free and requires no account, no email, and no credit card. Search, compare, and click through to book directly with the airline or booking partner.

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