AirHint found the following cheapest return flights from Billund (BLL) to Keflavik (KEF) in October 2025 (see full year).
Return flights
| 05 Oct - 09 Oct | Fly Play | direct | |
| 02 Oct - 09 Oct | Fly Play | direct | |
| 12 Oct - 16 Oct | Fly Play | direct | |
| 15 Oct - 19 Oct | Wizz Air | ||
| 02 Oct - 06 Oct | LOT | ||
| 14 Oct - 19 Oct | Norwegian |
Also check the deals for one-way flights from Billund to Keflavik in October.
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.
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