Cheapest return flights from Billund to Sofia in April from $426
AirHint found the following cheapest return flights from Billund (BLL) to Sofia (SOF) in April 2025 (see full year).
Return flights
| 17 Apr - 18 May | LOT | ||
| 05 Apr - 10 Apr | LOT | ||
| 05 Apr - 06 Apr | LOT | ||
| 14 Apr - 16 Apr | Norwegian |
Also check the deals for one-way flights from Billund to Sofia in April.
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.
