cheapflights-mcp

cheapflights-mcp

An MCP server that finds cheap flights with flexible dates and smart suggestions using the Google Flights API.

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README

🛫 CheapFlights MCP

An open-source MCP server that helps you find the cheapest flights with smart suggestions.

Features

  • 🔍 Search flights — Find cheapest options for any route
  • 📅 Flexible dates — See which dates are cheapest across a month
  • 💡 Smart suggestions — Nearby airports, date shifts, savings tips
  • 👨‍👩‍👧‍👦 Family pricing — Calculates total for adults + children
  • ⚡ Fast — Direct Google Flights API access (no scraping)

Install

# Install dependencies
pipx install flights  # provides fli-mcp and fli CLI

# Install this MCP server
pip install cheapflights-mcp

Usage with Claude / Kiro / AI Assistants

Add to your MCP config:

{
  "mcpServers": {
    "cheapflights": {
      "command": "cheapflights-mcp"
    }
  }
}

Then ask your AI:

  • "Find cheapest flights from Melbourne to Tokyo in October for 2 adults and 2 kids"
  • "What are the cheapest dates to fly Sydney to London in January?"
  • "Suggest cheaper alternatives for JFK to NRT on Dec 25"

MCP Tools

Tool Description
search_flights Compare flight prices, sorted by cheapest
find_cheapest_dates Price calendar across a date range
suggest_alternatives Nearby dates, airports, and route alternatives

Development

git clone https://github.com/YOUR_USERNAME/cheapflights-mcp.git
cd cheapflights-mcp
pip install -e .
cheapflights-mcp  # runs on stdio

Roadmap

  • [ ] Multi-source: Add Skyscanner, Kiwi.com APIs
  • [ ] Price alerts: Notify when prices drop
  • [ ] Destination discovery: "Where can I fly for $500?"
  • [ ] Price history: "Is this a good deal?"
  • [ ] Booking links: Direct links to book

License

MIT

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