There are two airlines offering flights to Moscow. The most direct route isn’t necessarily the cheapest – being flexible is key to finding the lowest airfare rates. For example, try searching by month to see the best time of the week to fly. The cheapest date is currently 05 / Apr / 2021.
Moscow Sheremetyevo Airport is just one of the airports in Moscow. If you're not set on a specific airport, try changing your search from Moscow Sheremetyevo Airport to Moscow to see a broader range of flights – they might be cheaper. It usually takes about 6 hrs 55 mins to fly 2535 km to Moscow Sheremetyevo Airport.
During this peak season, accommodation prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.