Learning note

LetsFG: AI-Powered Flight Search and Booking with Real Airline Prices

LetsFG is an open-source flight search and booking tool that empowers AI agents and travelers to find real airline prices from 400+ airlines with zero markup, saving money compared to popular services like Google Flights.

AI-assisted: This post was generated with AI assistance from a Karakeep bookmark and source material.

LetsFG is a community-driven, agent-native flight search and booking platform that offers a powerful alternative to traditional flight search engines. It integrates 200+ connectors covering over 400 airlines worldwide, enabling your AI agent or yourself to search for flights in seconds and book at raw airline prices without markup or tracking.

Key Features - Real Prices, No Markup: LetsFG returns direct airline prices, often $20–$50 cheaper than Google Flights by avoiding OTA markups, cookie tracking, and surge pricing. - Extensive Coverage: Access 400+ airlines including budget carriers and major airlines across Europe, Asia-Pacific, Americas, Middle East, Africa, and Oceania. - Fast and Parallel Searches: 200+ connectors run in parallel locally or via MCP servers for quick results. - AI Agent Integration: Native support for AI agents with CLI, Python SDK, JavaScript SDK, and MCP server compatibility. - Flexible Booking Workflow: Search flights for free, unlock live prices, and book tickets with real airline PNRs and e-tickets sent to your inbox. - Virtual Interlining: Combines one-way fares from different airlines to create cheaper round-trip itineraries. - City-wide Airport Searches: Automatically expands city codes to all airports in the area for comprehensive results.

Usage Install the Python SDK or CLI with `pip install letsfg` or use the MCP server for integration with AI agents like Claude Desktop or Cursor. Search flights with simple commands, unlock prices, and book directly.

Pricing Local usage is free with no API key required. The hosted service letsfg.co offers free search with a small unlock fee. Booking prices remain at the raw airline fare.

Why Choose LetsFG? Compared to Google Flights and other OTAs, LetsFG offers transparent pricing, broader airline coverage, faster search times, and native AI agent support. It is ideal for developers and travelers looking for a cost-effective, privacy-respecting flight booking experience.

For more details, source code, and community support, visit the LetsFG GitHub repository at https://github.com/LetsFG/LetsFG.