Fly into Sheremetyevo Airport (SVO), the closest airport, located 22.3 mi (36 km) from the city centre. If you're unable to find a flight that fits your schedule, you could book a flight to Moscow (VKO-Vnukovo Intl.), which is 4.7 mi (7.5 km) away.
If you'd rather travel by train, make your way to Moscow Solnechnaya Station or Moscow Vostryakovo Station to see more of the city.