Search flights with Gemini via Telegram and send SerpAPI price alerts

Description

📖 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: [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! 🚀