格安 かくやす航空 こうくう けんじゃなかったです
kakuyasu kō kūkenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 格安航空券

1. It wasn't a cheap airline ticket.; It wasn't a low-cost airline ticket.

Past/Perfective
Negative
Polite
Casual Register