I believe that typography is a key component to the success of flat design. You can’t just use any font in a flat design, the fonts have to be specific, kind of like these 40 really irresistible free fonts for flat design.
All the fonts you find here are bold, simple, and straight-forward which is suitable for the modern and minimalistic flat design concept. Of course, they can be used not only for flat design, but for any web project you like.
1. Tracks Type by Gumpita Rahayu
2. Franchise by Weathersbee Type
6. ChunkFive by The League of Moveable Type
7. Homestead Font by Luke Lisi
8. Canter Typeface by Christopher J. Lee
9. Mojave Typeface by Gumpita Rahayu
11. Lovelo font by Renzler Design
13. Linux Libertine by Philipp H. Poll
15. Junction by Caroline Hadilaksono
16. KIDOT FONT by Anastasia Yakovleva and kidstudio
20. Telegrafico by Salvo Nicolosi
21. Ambrosia font by Jelloween
22. Market Deco by Steve Ferrera
24. Gnuolane by Typodermic Fonts
27. Laika FREE by Rodrigo Araya Salas
28. Bariol by atipo
29. Caviar Dreams by Lauren Thompson
31. Flex Display – free fonts by Alvaro Thomáz
32. ALEO | Free Font Family by Alessio Laiso
33. Corbert Regular by Jonathan Hill
34. Jalane Light by Benoît Sjöholm
35. Apogee Rounded Sans Beta by Mef
36. Pinstripe Limo by Nymphont
37. Balham – Free Elegant Font by Dannci