The cheapest round-trip from Athens to Reykjavik is about 396 EUR, usually in August 2026; June 2026 is priciest, so booking the low month saves around 83 EUR (~17%). Typical fare ~450 EUR, from 60 priced fares. Flightmussy live data, updated 2026-06-13.
Cheap flights from Athens (ATH) to Reykjavik (KEF). 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: 396 EUR, usually around August 2026. Typical fare ~450 EUR. Across the year prices range roughly 396–479 EUR — about 17% cheaper in the low season than the peak (June 2026). Carriers on this route include Aegean, British Airways, Scandinavian Airlines, ITA.
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. August 2026 is cheapest; June 2026 is priciest.
| Jun 2026 | 479 EUR | |
|---|---|---|
| Jul 2026 | 450 EUR | |
| Aug 2026 | 396 EUR |
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