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

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: [email protected]
• 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! 🚀