Games like Airline Empire
Games like Airline Empire include Game Dev Tycoon, Transport Fever 2, Cities: Skylines, Cities: Skylines II, and 911 Operator. We matched them by the tags players give Airline Empire on Steam (Simulation, Strategy, 2D, Realistic, and Economy): closest matches first, and among equally close ones the better-known games.

Game Dev Tycoon
Shared: Simulation · Strategy · Management

Transport Fever 2
Shared: Simulation · Strategy · Economy

Cities: Skylines
Shared: Simulation · Strategy · Singleplayer

Cities: Skylines II
Shared: Simulation · Strategy · Singleplayer

911 Operator
Shared: Simulation · Strategy · Realistic

Planet Coaster
Shared: Simulation · Strategy · Management

Supermarket Simulator
Shared: Simulation · Economy · Singleplayer

Plague Inc: Evolved
Shared: Simulation · Strategy · Singleplayer

Euro Truck Simulator 2
Shared: Simulation · Realistic · Transportation

Prison Architect
Shared: Simulation · Strategy · 2D

Democracy 3
Shared: Simulation · Strategy · Singleplayer

American Truck Simulator
Shared: Simulation · Realistic · Economy

Gold Mining Simulator
Shared: Simulation · Realistic · Singleplayer

Project Highrise
Shared: Simulation · Strategy · 2D

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Realistic

Planet Zoo
Shared: Simulation · Management · Economy

Victoria 3
Shared: Simulation · Strategy · Economy

Production Line : Car factory simulation
Shared: Simulation · Strategy · Economy

Mini Metro
Shared: Strategy · Simulation · Singleplayer

Game Corp DX
Shared: Simulation · 2D · Economy

TCG Card Shop Simulator
Shared: Simulation · Economy · Singleplayer

Democracy 4
Shared: Strategy · Simulation · Economy

Gas Station Simulator
Shared: Simulation · Economy · Singleplayer

Airport CEO
Shared: Simulation · Singleplayer · Strategy