Cheapest month to fly to Oslo

The cheapest month to fly to Oslo is most often September — cheapest from 27% of the 44 origin cities we track, and an autumn month (Sep–Nov) is cheapest for 64% of them. It depends where you fly from; the cheapest right now are Manchester (from 35 EUR, June); London (from 43 EUR, September); Warsaw (from 45 EUR, August); Paris (from 73 EUR, March).

When is it cheapest to fly to Oslo? Below is the cheapest month and round-trip fare from 44 origin cities, from Flightmussy's 12-month fare scans. Updated 2026-06-16.

Fares are round-trip estimates in EUR from 12-month scans — they change constantly; click any route to search live prices.

See also: the cheapest month to fly almost anywhere — Flightmussy's global fare-data study.

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Cheap flights and the cheapest month to fly, worldwide

About Flightmussy

Flightmussy is a free, independent flight search for travellers anywhere in the world. No signup, no ads, no tracking — email is optional, only for route price alerts. Compare fares across every airline and see 12 months of prices at a glance, including the low-cost carriers Google Flights often buries. Book directly with the airline or a trusted partner — we never add a markup.

Flight price data & research

Flightmussy runs its own 12-month forward fare scans across thousands of routes worldwide and publishes the data openly. Read the cheapest month to fly almost anywhere → — a global study of when fares are lowest — or browse the cheapest destinations from a city:

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