 Between now and July 8th, the TSA expects about 30 million people to pass through security checkpoints nationwide. At Reagan National Airport, Nick Inelli, WTOP News. Hey, a reminder for you, you'll be paying more to ride Metro starting this Sunday. Metro rail fares will cost you anywhere from $2.25 to $6.75 on weekdays, depending on the distance traveled. Metro bus fares will be $2.25 and express bus fares will be $4.80.