Last I checked, Uber's flat rate was about 10 Euros less than the flat rate taxi fare. You cannot book in advance and you don't pre-arrange where you meet up. Rather, when you're at the terminal exits and ready to go, you request Uber.

In 2026, the cost comparison between Paris taxis and Uber remains a toss-up depending on the time of day and traffic conditions. Generally, Uber tends to be slightly cheaper for short trips or during off-peak hours, with UberX rates often starting around 45–70 euros for longer hauls like Paris to Versailles. However, Paris taxis (like G7) operate on a regulated meter system and often have fixed prices for airport transfers (e.g., between CDG and the Left/Right Bank), which can actually be cheaper than Uber during "surge pricing" events. A major advantage of official taxis is their legal right to use bus lanes, allowing them to bypass gridlock during rush hour or major events like Fashion Week. While Uber offers the convenience of a familiar app, taxis can be more time-efficient when the city is congested. Ultimately, if you are traveling during a busy period, a taxi might save you time and potentially money by avoiding surge multipliers, while Uber remains the go-to for price transparency in low-traffic scenarios.