AirHint found the following cheapest one-way flights from St. Petersburg (PIE) to Keflavik (KEF) in March 2025 (see full year).
04 Mar | Allegiant Air | ||
15 Mar | Allegiant Air | ||
17 Mar | Allegiant Air | ||
28 Mar | Allegiant Air |
Also check the deals for return flights from St. Petersburg to Keflavik in March.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.