Flight Check vs. Hopper
Flight booking with price predictions and protection · Free app + $15-30 per add-on
What Hopper does
Hopper is a mobile booking app that uses AI to predict when flight prices will be lowest. It offers financial protection products like Price Freeze (lock a fare for days), Price Drop Guarantee, and Flight Disruption Guarantee.
Hopper features
- •AI-powered price predictions ("prices will drop")
- •Price Freeze — lock a fare for up to 14 days (~$30)
- •Price Drop Guarantee — refund if price drops after booking
- •Flight Disruption Guarantee — rebooking if delayed 1+ hour (~$15)
- •Calendar color-coding (green = cheap, red = expensive)
- •Carrot Cash virtual currency for loyalty
Flight Check advantages
- ✓Free — no add-on fees
- ✓Delay risk prediction for your specific flight and route
- ✓TSA wait times at your departure airport
- ✓Weather at both airports
- ✓Pre-flight briefing delivered before you leave home
- ✓Works on any device (email-based)
- ✓No lock-in or virtual currency
Where Hopper falls short
- ✗Protection products add $15-30 per flight
- ✗Carrot Cash credits only usable on Hopper (lock-in)
- ✗No TSA wait time data
- ✗No weather briefing
- ✗No pre-flight preparation tools
- ✗No delay risk prediction for individual flights
- ✗Mobile app only
The verdict
Hopper helps you book at the right price. Flight Check helps you fly with the right information. Use Hopper to save on your fare, then Flight Check to know what to expect at the airport — delay risk, TSA, weather, and when to leave.
Try Flight Check — it's free
Enter your flight and get a pre-flight briefing with delay risk, TSA wait times, weather, and when to leave.
Get your free briefingFrequently asked questions
Does Hopper predict flight delays?
No. Hopper predicts prices, not delays. Flight Check provides delay risk predictions for your specific flight based on historical data from 6.9M+ flights.
Is Hopper's Disruption Guarantee worth it?
It costs ~$15 per flight and only covers delays of 1+ hour. Flight Check gives you free delay risk predictions before you fly so you can plan accordingly — and it includes TSA and weather data Hopper doesn't offer.
Comparisons based on publicly available information as of March 2026.Hopper is a trademark of its respective owner.