It is located 20 kilometers southeast of Mulhouse, France, and 46 kilometers south-southwest of Freiburg im Breisgau, Germany. It is 3. Because of an international arrangement from , the airport is under the jurisdiction of both France and Switzerland. Several European airlines use the airport as a hub, and most of the airport's flight schedule is focused on leisure destinations inside Europe. EuroAirport's terminal is a single, four-story brick building connected to a Y-shaped gate area.
The parking garage entrance is on the ground floor Level 1. In contrast, passenger check-in is located on the second floor Level 2. Check-in is on Level 3, split into Halls ; the departure gates are on Level 4. Gates 22β32 are reserved for international aircraft departing from the United States and are located in the same region as gates 1β2, 20β46, 60β61, and 78β There are jet bridges at six of the boarding areas.
The rest are for taking a nearby bus or strolling to a nearby destination. As stated above, the land areas are distinctively separated into French and Swiss halves. The s saw the beginning of planning for a shared Swiss-French airport, but construction was interrupted by the war.
Swiss planners deemed the existing airstrip at Sternenfeld in Birsfelden too small and unsuitable for expansion because of the development of the neighboring river port facilities. Basel was one of four cities for which a main urban airport would be created.
Allschwil is a potential location for the new airport proposed for the Swiss neighborhood. It would have to be built over the French-Swiss border, which has prompted discussions with French authorities about creating a single airport that serves both countries. After resuming in , discussions led to an agreement to construct an airport 4. France would donate the site for this project, and the Swiss canton of Basel-Stadt would pay for its development.
