How to Search Multi-City Flights with Claude

Plan multi-city flights with Claude and ToolRouter. Build complex itineraries across multiple destinations.

Tool
Flight Search icon
Flight Search

Claude builds multi-city itineraries through collaborative trip planning. Search each segment of your journey, then optimize the order of cities for lowest total cost, check open-jaw routing possibilities, and compare multi-city bookings against separate one-way tickets. The conversation produces an optimized travel plan, not just individual flight searches.

Connect ToolRouter to Claude

1Go to Settings → Connectors → Add custom connector
2Enter the details below and click Add
Name
ToolRouter
URL
https://api.toolrouter.com/mcp
3Done — works on Claude chat, desktop, and mobile

Steps

Once connected (see setup above), use the Flight Search tool:

  1. Ask Claude: "Plan a multi-city trip: NYC to London, then Paris to NYC using flight-search"
  2. Claude searches each segment and returns optimized itinerary options
  3. Review the total cost and scheduling of the multi-city routing

Example Prompt

Try this with Claude using the Flight Search tool
Plan a European trip: fly from Chicago to Rome on May 1, Rome to Barcelona on May 8, Barcelona back to Chicago on May 15. Find the cheapest combination.

Tips

  • Ask Claude to check if a multi-city booking is cheaper than separate one-way tickets
  • Use find_airport to discover alternative airports in each destination city