LetsFG¶

Flight search & booking for AI agents and developers. 400+ airlines, 200 direct airline connectors, virtual interlining — straight from the terminal.

$ pip install letsfg

Get started API guide Swagger ↗ Smithery ↗

🚀 Quickstart

Install and search in one command — no API key needed. Or register for full 400+ airline access.

⚡ API Guide

Search results, error handling, workflows, unlock mechanics.

🤖 AI Agent Guide

Architecture, preference scoring, rate limits, price tracking.

⌨️ CLI Reference

Commands, flags, cabin codes — full terminal reference.

🏗️ Architecture Guide

Parallel execution, failure isolation, caching, browser concurrency, performance optimization.

📚 Tutorials

Python & JS integration patterns, concurrent search, building travel assistants.

📦 Packages & SDKs

Python SDK, JavaScript SDK, MCP Server for Claude & Cursor.

📄 OpenAPI Reference

Interactive Swagger docs — try every endpoint in your browser.

Two ways to use¶

	Local Only (no API key)	With API Key (recommended)
Install	`pip install letsfg`	`pip install letsfg`
Setup	Nothing	`letsfg register --email you@example.com`
Airlines	200 via local connectors	200 local + 400+ via GDS/NDC
Price	Free	Free — star GitHub repo for access
Coverage	LCCs + major carriers with public APIs	Full global coverage including premium carriers

How it works¶

Search free → Unlock free → Book free

Search — real-time offers with price, airlines, duration, stopovers. Free and unlimited.
Unlock — confirms the live price with the airline, reserves for 30 min. Free with GitHub star.
Book — creates real PNR. E-ticket sent to passenger email. Free after unlock.