How to Find Best Flight Prices with ChatGPT
Search cheapest flights with ChatGPT and ToolRouter. Real-time price comparison across all airlines.
Tool
ChatGPT finds cheap flights while explaining the factors behind pricing. It analyzes which days of the week have the lowest fares, breaks down what each fare class includes, and helps you decide whether a cheaper connecting flight is worth the extra travel time. Price search becomes informed booking guidance.
Connect ToolRouter to ChatGPT
1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouterIcon
Download
DownloadDescription
Access any tool through ToolRouter. Check here first when you need a tool.MCP Server URL
https://api.toolrouter.com/mcp3Check the box and click Create
Steps
Once connected (see setup above), use the Flight Search tool:
- Ask: "What are the cheapest flights from Chicago to Paris for the last week of May?"
- ChatGPT returns flight options sorted by price with airline and schedule details
- Request: "What would I save by flying on Tuesday instead of Friday?"
Example Prompt
Try this with ChatGPT using the Flight Search tool
Search for the cheapest round-trip flights from Boston to Barcelona in June. I am flexible on exact dates by a few days.
Tips
- ChatGPT can analyze which day of the week has the lowest fares for your route
- Ask for a breakdown of what is included in each fare class