Not King's Cross, but from Baker St (3 stops from King's Cross using the tube) you can use EasyBus directly to Stanstead. The cost is £2 and it's for all airliners.
More detail on their website.
By Air Bus. Check it out at the airport.
I will carry my luggage to the airport
The luggage carousel.
we are interested to know if the Beijing airport has luggage storage facility?
There is a luggage store in the main terminal that also stores luggage.
Ross.
how much luggage am I allowed to bring
The area where you pick up your luggage at an airport is called a baggage claim.
how much luggage weight is allowed in delhi airport to mumbai
No,There is no facility like that.You have to take your luggage with you.
Samsonite luggage has the longest and easiest to deal with warranty.
Kandla Airport / Gandhidham airport