See also
Tulip parade in Crimea: when to see the peak of blooming and vote for the general of the parade
Tulip parade
So, the ten cheapest destinations were Sukhumi, Yeisk, Nikolayevka (Simferopol district of Crimea), Kazan, Taganrog, St. Petersburg, Vladivostok, Moscow, Volgograd and Nizhniy Novgorod. 

According to experts, tourists book accommodation for vacation on the last day of spring for a period from 1.5 to 16 nights, and will spend on this from 573 to 2473 rubles ($ 8 ― 33) per day. 

See also
Eupatoria leads the rating of popular places for family vacations with children
View of Evpatoria
The rating was compiled based on bookings by tourists in May 2021.