Compare FlightGear vs Microsoft Flight Simulator on realism, scenery, aircraft, cost and hardware, with a clear verdict for each type of simmer.
Microsoft Flight Simulator is better for most users because it offers more convincing world scenery, a smoother setup, broader commercial add-on support and greater visual polish. FlightGear is better if you want a free, open-source simulator, Linux support, deep configuration access or a platform for experimenting with flight models.
Here, Microsoft Flight Simulator means the modern series, principally MSFS 2024. Platform differences matter: MSFS 2024 supports PC, Xbox Series X|S, PlayStation 5 and PS5 Pro, while MSFS 2020 remains limited to PC and Xbox. FlightGear runs on Windows, macOS and Linux but has no console version.
FlightGear vs Microsoft Flight Simulator at a glance
Microsoft Flight Simulator wins on presentation and convenience; FlightGear wins on openness, platform flexibility and price.
| Category | FlightGear | Microsoft Flight Simulator |
|---|---|---|
| Cost and licence | Free and open source | Paid commercial software with multiple editions and optional add-ons |
| Platforms | Windows, macOS and Linux | PC and supported consoles, depending on the MSFS version |
| World scenery | Global terrain with downloadable scenery, but detail and consistency vary | Detailed streamed world, aerial imagery and photogrammetry where available |
| Aircraft | Large community selection with widely varying completeness | More consistent presentation and a much larger commercial add-on market |
| Flight modelling | Highly configurable; quality depends heavily on each aircraft | Capable modern aerodynamic engine; aircraft-specific quality still varies |
| Ease of use | Often requires more configuration and troubleshooting | Generally easier to install, configure and start flying |
| Hardware demands | Can suit less powerful systems, depending on settings and scenery | More demanding, particularly at high scenery and traffic settings |
If the open-source side is unfamiliar, our practical assessment of FlightGear's strengths and limitations explains what the simulator offers beyond being free.
Which has more realistic flight physics?
Neither simulator has the most realistic physics in every aircraft; the individual aircraft model matters more than the name on the launcher.
FlightGear supports flight-dynamics systems including JSBSim and YASim. A carefully authored model can reproduce speeds, power settings, stability and handling credibly. A neglected package may have incorrect trim, engine performance or stall behaviour, even though the underlying simulator is capable of better.
Microsoft Flight Simulator also relies on aircraft-specific aerodynamic and systems configuration. Its strongest aircraft can be highly convincing, while simpler models may omit systems or use less exact handling data. Do not judge either platform by one aircraft, and do not assume an impressive cockpit guarantees accurate performance.
For a useful comparison, fly equivalent aircraft at the same weight, weather and centre of gravity. Check climb rate, cruise performance, stall speed, trim behaviour and approach power against published aircraft data. Disable intrusive assistance settings as well; otherwise, you may be comparing software aids rather than flight models.
Which has better graphics and scenery?
Microsoft Flight Simulator has substantially better graphics and more convincing global scenery for most users.
Its streamed world, aerial imagery, lighting, weather and detailed urban coverage make it the stronger choice for low-level sightseeing and visual navigation. Results still depend on internet access, data settings and whether detailed imagery exists for the region being flown.
FlightGear provides worldwide terrain and can fetch scenery through TerraSync, with community scenery improving selected airports and regions. The quality is less consistent, and generic terrain or buildings are more obvious outside enhanced areas. Our comparison of realistic flight-simulator scenery gives this visual difference more context.
Is FlightGear easier to run than Microsoft Flight Simulator?
FlightGear can run on more modest hardware, but it is not automatically the easier simulator to configure.
Its graphics settings can be reduced substantially, and Linux support makes it the clear choice where Microsoft Flight Simulator is unavailable. High-resolution scenery, complex aircraft, shadows, weather and dense objects can still reduce frame rates. TerraSync's scenery cache also grows as new regions are visited, so free software does not mean negligible storage use.
Microsoft Flight Simulator generally needs stronger hardware and benefits from a stable internet connection for streamed scenery. In return, its interface, controller presets and integrated content are more approachable. Console editions simplify the hardware decision, although peripheral and add-on compatibility is broader on PC.
FlightGear can be evaluated without buying a licence; our FlightGear download and installation notes cover the supported desktop platforms and initial setup.
What problems can distort the comparison?
Incorrect scenery, incompatible aircraft packages and duplicated controller bindings cause many disappointing first impressions.
- FlightGear shows plain or missing terrain: confirm that TerraSync or the chosen scenery source is enabled, that its cache folder is writable and that the download has had time to complete.
- A FlightGear aircraft has missing instruments or will not load: use a package intended for the installed FlightGear release. Community aircraft can depend on features or files not present in older versions.
- Microsoft Flight Simulator scenery looks blurry: check that online world-data features are enabled and that the connection is not being restricted. Rebuilding a cache should be a targeted fix for suspected stale or corrupt data, not routine maintenance.
- The controls twitch or fight each other: remove duplicate pitch, roll, yaw and throttle assignments. This is especially common when a joystick, throttle quadrant and gamepad are connected together.
- One simulator feels unrealistically easy: match weather, fuel, payload, failures and assistance options before drawing conclusions.
Which one should a beginner choose?
Most beginners should choose Microsoft Flight Simulator, while technically curious users and Linux users may learn more from FlightGear.
- Choose Microsoft Flight Simulator if you want attractive scenery, guided activities, simpler controller setup, integrated multiplayer and a broad selection of polished add-ons.
- Choose FlightGear if cost is the deciding factor, you use Linux, you want access to configuration and source code, or you enjoy adjusting aircraft and simulator behaviour.
- Consider both if you want Microsoft Flight Simulator for visual flying but FlightGear for experimentation, development or testing open aircraft models.
Whichever platform you select, start with a stable light aircraft, clear weather and a single familiar airport. Our beginner setup and first-flight guidance explains how to avoid learning aircraft handling, navigation and complex controls all at once.
Our verdict is straightforward: Microsoft Flight Simulator is the better complete consumer simulator, especially for visuals and convenience. FlightGear is the better free and open platform, particularly for Linux, customisation and technical experimentation. FlightGear is not a photorealistic MSFS substitute, but it can be a serious simulator when paired with a well-developed aircraft.