Russians scramble for flights as Putin announces partial call-up to support Ukraine invasion
One-way flights out of were rocketing in price and selling out fast on Wednesday after of 300,000 reservists.
Putin's announcement, made in an early-morning television address, raised fears that some men of fighting age would not be allowed to leave the country.
Defence Minister Sergei Shoigu said the call-up would be limited to those with experience as professional soldiers, and that students and would not be called up.
The Kremlin declined to comment on whether the borders would be closed to those subject to the mobilisation order, and asked people to be patient as the law is clarified.
Meanwhile, Trends data showed a spike in searches for Aviasales, Russia's most popular flight-booking site.
Direct flights from Moscow to in Turkey and Yerevan in Armenia, both destinations that allow Russians to enter without a visa, were sold out on Wednesday, according to Aviasales data.
Flights from Moscow to Istanbul via Turkish Airlines were either all booked or unavailable until Sunday, as of 1415 Moscow time (1115 GMT).
Some routes with stopovers, including those from Moscow to Tbilisi, the capital of Georgia, were also unavailable, while the cheapest flights to cost more than 300,000 roubles ($5,000) - about five times the average monthly wage.