Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Ulaanbaatar, across the zero airlines that offer this route.
If you can't find a flight time that suits you, why not look at flying out from a different airport?
You can view all flight times yourself in the results list.
Searching by month, for instance, will show you the best time of the week to fly.