The cheapest round-trip from Rome to Oslo is about 116 EUR, usually in July 2026; August 2026 is priciest, so booking the low month saves around 45 EUR (~28%). Typical fare ~134 EUR, from 60 priced fares. Flightmussy live data, updated 2026-06-13.
Cheap flights from Rome (FCO/CIA) to Oslo (OSL/TRF). 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.
Cheapest round-trip seen: 116 EUR, usually around July 2026. Typical fare ~134 EUR. Across the year prices range roughly 116–161 EUR — about 28% cheaper in the low season than the peak (August 2026). Carriers on this route include Wizz Air, KLM, Air France, Norwegian.
Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-13. Prices change constantly — search live for current fares.
The lowest round-trip fare we found for each month over the coming year — low season versus peak at a glance. July 2026 is cheapest; August 2026 is priciest.
| Jun 2026 | 134 EUR | |
|---|---|---|
| Jul 2026 | 116 EUR | |
| Aug 2026 | 161 EUR |
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