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conley39 says
Why do you assume that ground transportation will be cheaper than flying into St Petersburg? First, you don't want to fly into London because ground transportation from there pretty much means taking the Eurostar to Paris as a start and that's expensive. Germany is closer to St Petersburg and there are budget flights to St Petersburg on Germanwings, Air Berlin and /or Air Baltic from many cities in Germany. see: http://www.whichbudget.com/ or http://www.skyscanner.com/ which are two good sites for finding budget flights here in Europe. It's faster, cheaper and you don't have to worry about visas other than the one for Russia.
Jean-Michel says
Why on earth you would want to fly to England or Germany then take land transportation to St. Petersburg is beyond my comprehension.
Berlin to St.Petersburg by shortest land route is 1600 kilometres
London to St. Petersburg is 260 kilometres and a ferry crossing would be required.
Cheapest method is a flight from Las Vegas to St.Petersburg with flight changes in London and one of the main airport hubs in Europe, preferably booking a through ticket.
Daniel says
Well, to fly from US to Europe, and then take a train or bus to St. Petersburg, Russia you need the following:
plane(s)
train(s)
bus(es)
I hope my answer has helped you in your travels.
Bon voyage, putanna.
-Jesus