You can still buy a walk-up ticket if there's space available, though you'll pay a slightly higher fare.

如果有车上有空间的话，那么你也可以买站票，但是你要多付一点费用。

youdao

He purchased a ticket and went up on the top deck.

他买了张票，上了顶层。

《柯林斯英汉双解大词典》

You can't just pitch up and expect to get in without a ticket.

你可不能说来就来，还想无票入场。

《牛津词典》

Would you go to the ticket window and use your credit card to pick up the tickets or would you just walk away in anger and annoyance?

你会去购票窗口,用你的信用卡再买票吗,还是带着烦闹愤怒而走掉呢？

耶鲁公开课 - 金融市场课程节选

"We are not going to jack up ticket prices to offset what we are doing, " he said.

WSJ: USTA Opens Up Its Wallet

And, he said, the Sabres were required to up ticket prices to ensure they will continue to qualify for the NHL's revenue-sharing plan.

WSJ: Sabres GM Regier cautions fans of more 'suffering'

Helping the box office was the increasing percentage of movies that came in the 3D and IMAX formats as they bumped up ticket prices.

FORBES: Can Iron Man, Superman And Captain Kirk Save The Movie Box Office?