TripLayerStack: Multi-Stop Route Optimizer
An AI-powered app that automatically sequences multi-city trips by cost, time, and personal preferences, then re-optimizes when flights change prices.
The Problem
Solo travelers and digital nomads planning 5+ city trips waste 8-12 hours manually checking flight combinations across different route sequences. Google Flights and Skyscanner optimize A→B routes, not the sequencing of A→B→C→D→E with 50+ possible orderings. Price changes mid-planning force complete re-planning.
Target Audience
Digital nomads, backpackers doing 4+ week Asia/Europe tours, and remote workers planning quarterly travel rotations ($2k-$8k trip budgets)
Why Now?
AI models excel at constraint satisfaction problems; real-time flight APIs are now accessible; remote work normalized extended travel, creating demand; LLMs can explain routing logic to users naturally
What's Missing
Flight search APIs are built for A→B queries, not multi-leg sequencing optimization. Existing travel planners (TripAdvisor, Wanderlog) ignore flights entirely. The combinatorial problem is unsolved because it requires custom logic, not just API wrapping.
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