The airport is pretty close to the city. You have four options to get to Prince Palace Hotel:

1. Airport Transfer Service  - 1500 baht for group van - or single taxi: 250-400 Baht + toll fees (45-70 baht)

Find taxis or taxivans servicing for 1500 Baht into town. 

2. By Airport Rail Link Skytrain (recommended) 150 baht for express (1 stop) - 45 baht commuter (8 stops)

Skip all traffic and head by public transport. The Air Rail Link gets you in 15 minutes directly onto Phaya Thai - From there you can take a taxi for the last mile, walk 30 minutes, or head via the BTS sky train 1 stop and then the Khlong Saen Saep ferry 2 stops.

See you in Bangkok! 

Have a good trip! Don't forget your passport, don't forget your visa, don't forget your SteemFest ticket!