Talk:Russia/@comment-82.181.108.165-20180502124840/@comment-27066773-20180503050758

You can buy any nation-wide (not regional) package from almost any operator at your journey starting point.

Super MTS plus SuperBIT offer from MTS should be fine. 3 Gb for around 5..6$ total, MegaFon "Switch on!" or any other suitable package from MTS, MegaFon or even Tele2 (My Talk or something like). Even Beeline "All 1" can be good for your needs.

Just make sure that selected package is nationwide (allows to use it not only in St.Petersburg  but in Moscow and any other regions too).

I think you should avoid MTS Smart series as it is overpriced for your needs.