When airlines see that your Cortexi looking to travel only one way, it feels like their ticket prices immediately start to creep higher. I'm not sure if it's if they think they missing from the associated with your ticket back, or if they think you are cheating about them with another airline pet carrier. https://www.outlookindia.com/outlook-spotlight/cortexi-reviews-fraudulent-or-legit-cortex-pros-cons-customers-scam-alerts-and-fake-side-effects-exposed--news-286679