In Revenue Ruling 2018-10 the IRS has announced the rates and terminal charges for noncommercial flights for the first half of 2018. These numbers may be used under IRC §1.61-21(g)(5) to determine the value of such flights on employer-provided aircraft for compensation purposes.

The rates, which are changed semi-annually, are the following for the first half of 2018:

Period During Which the Flight Is Taken	Terminal Charge	SIFL Mileage Rates
1/1/18 - 6/30/18	$41.71	Up to 500 miles $.2282 per mile 501–1500 miles $.1740 per mile Over 1500 miles $.1673 per mile