Search flights with Gemini via Telegram and send SerpAPI price alerts

📖 Overview

A comprehensive flight price monitoring and AI assistant solution built entirely in n8n. Combines automated price tracking with intelligent conversational flight search via Telegram.

Perfect for: ✈️ Tracking flight prices to favorite destinations 💰 Getting alerts when prices drop below threshold 🗓️ Planning trips with AI-powered flight searches 🌍 Finding best deals across airlines 📱 Managing travel plans through Telegram chat

Requirements: n8n v1.123.0+ or v2.0.0+ SerpAPI key (500 free/month), Google Gemini API, Telegram bot token

⚡ What's in the Box

Two Powerful Workflows

| Workflow | Function | Trigger | |----------|----------|---------| | 🔔 Automated Monitoring | Tracks specific routes, alerts on price drops | Schedule (every 7 days) | | 💬 AI Flight Assistant | Interactive search with natural language | Telegram messages |

Key Capabilities: 🎯 Set price thresholds and get instant alerts 🤖 Ask questions in natural language (Vietnamese/English) 🧠 AI remembers conversation context 📊 Compares prices across airlines ⚡ Real-time search results from Google Flights

🎯 Key Features

📅 Scheduled Price Checks**: Automatic monitoring every 7 days (customizable) 💡 Smart AI Assistant**: Understands "find cheapest flight to Bangkok next weekend" 🔔 Instant Alerts**: Telegram notifications when prices drop 🧠 Context-Aware**: AI remembers your preferences and previous searches 🌐 Multi-Language**: Handles Vietnamese and English seamlessly 📱 Mobile-Ready**: Full control via Telegram chat interface

Technical Highlights: SerpAPI integration for real-time prices, Google Gemini Flash for AI responses, session-based conversation memory, Telegram HTML formatting, automatic date calculations (+5 days for returns)

🏗️ How It Works

Workflow 1: Automated Monitoring Schedule Trigger → Configure Route → Search Flights → Extract Best Price
↓
Price < Threshold? → Send Alert

Workflow 2: AI Assistant Telegram Message → AI Agent → Flight Search Tools → Format Response
↓ ↓ ↓
Understand Round-trip/One-way Telegram HTML
Context Auto +5 days return Send to user

🛠️ Setup Guide

Step 1: API Credentials Get SerpAPI key (https://serpapi.com), Google Gemini API (https://aistudio.google.com/app/apikey), Telegram bot token (@BotFather)

Step 2: Configure Monitoring Edit Fields node: Set departure/arrival codes, price threshold, Telegram ID

Step 3: AI Assistant Setup Link Gemini model to AI Agent, connect flight search tools, activate memory

Step 4: Activate & Test Enable workflow, send test message to bot, verify alerts

💡 Usage Examples

Automated Alert: ✈️ CHEAPEST TICKET Price: 2,450,000 VND Airline: Vietjet Air Time: 06:00 → 08:00

AI Chat: "Find round-trip tickets Hanoi to Bangkok tomorrow" "What's the cheapest flight to Nha Trang next weekend?" "Search one-way Da Nang to Singapore on March 15"

👤 About the Author

Nguyen Thieu Toan (Nguyễn Thiệu Toàn / Jay Nguyen)

AI Automation Specialist | n8n Workflow Expert

Contact: 🌐 nguyenthieutoan.com 📘 Facebook 💼 LinkedIn 📧 Email: me@nguyenthieutoan.com More Nguyen Thieu Toan's n8n Template

GenStaff Company: genstaff.net

📄 License

Free for commercial/personal use. Keep author attribution when sharing.** Ready to never miss a flight deal again? Import this workflow and start tracking prices today! 🚀