Scroll through the results for cheap flights to Lanzhou in China. To get the best deal, we'd advise booking in advance, particularly if you want to fly with a specific airline. Check your dates and see.
If you don’t have set dates for when you want to fly to Lanzhou, try searching by month – that way, you can compare airfares throughout the year.
Look out for flights with Korean Air, as they often have good deals. Or broaden your search by looking at other airports in China.
Looking at a few different departure airports will give you even more choice. See what you can find. And remember, it's best to book your flights in advance wherever possible.