Building a Flight Price Alert System with Python Scrapers

Building a Flight Price Alert System with Python Scrapers Flight prices fluctuate constantly. Build your own price tracker that monitors routes, detects price drops, and sends you instant alerts — saving hundreds on every trip. Architecture Overview Scraper : Fetches prices from flight search engines Database : Stores historical price data Analyzer : Detects price drops and trends Notifier : Sends alerts via email or Telegram Setup pip install requests beautifulsoup4 selenium pandas sqlite3 schedule The Flight Price Scraper import requests from bs4 import BeautifulSoup from datetime import datetime , timedelta import json import time class FlightScraper : def __init__ ( self , proxy_api_key = None ): self . session = requests . Session () self . proxy_key = proxy_api_key def fetch_page ( self , url ): """ Fetch with optional proxy support. """ if self . proxy_key : api_url = f " http://api.scraperapi.com?api_key= { self . proxy_key } &url= { url } &render=true " return self . session .