Open 24 hours a day, 7 days a week, the Charles –de-Gaulle Airport is the biggest in Paris. It is comprised of three buildings: the Charles de Gaulle 1 (CDG1), which handles scheduled international flights excluding Air France; the Charles de Gaulle 2 (CDG2), which handles Air France & other airlines with European flights; and Terminal 9 (T9), handling Charter flights only.

The Charles-de-Gaulle is connected to the European high-speed train network, Train à Grande Vitesse (TGV, which services three Parisian stations – the Gare du Nord, Gare Montparnasse, and the Gare de Lyon. All three stations are primary points in the city where one can find numerous public transportation options, including taxis, trains, buses, and the underground subway system (RER and the Metro). High-speed trains from the Roissy-Charles-de-Gaulle Airport SNCF station also offer direct service to Lille and the French Riviera.

Buses run to and from the airport and Porte Maillot and the Arc de Triomphe, departing every 12 minutes. The trip usually takes approximately35-50 minutes and costs FF60. The Roissybus runs to and from the airport and corner of the Rues Scribe and Auber near the Opera Garnier and depart every 15 minutes. Ride usually takes 45-60 minutes and costs FF45.

Private shuttles run to and from both airports. The Airport Shuttle runs to and from both airports at FF120 per single passenger, FF89 per person two or more (TEL. 01 45 38 55 72). The Paris Shuttle runs to and from both airports at FF150 per single passenger, FF85 per person two or more (TEL. 01 43 90 91 91).