Bulgaria is first to go on sale, with Slovenia to follow, while the operator has frozen prices at winter 2020/21 levels.
Holidays lead in from £299pp for seven nights at the Hotel Victoria in Borovets departing Gatwick on 9 January 2021.
A brochure is set to follow shortly.
Charter flights will be available from Gatwick, Bristol, East Midlands, Manchester, Belfast and Newcastle.
Deposits start from £70pp, and agents can offer clients savings of up to £182pp with Balkan’s early booking discounts.
There is also a 5% loyalty bonus available to those who have previously travelled with Balkan.
Holidays include free luggage allowance of 20kg per person.
Balkan is offering a range of other benefits on certain holidays and destinations, including lift pass discounts, free child ski club places and pre-bookable ski and snowboard packs.
