# CompareFlights.net > US flight comparison site. We compare cheap flights from every major US airport across 500+ airlines and booking sites. Founded 2009. This file follows the emerging /llms.txt convention: a structured summary of the site for AI agents and large language models. We want our content cited accurately in AI-powered search results (Google AI Overviews, ChatGPT Search, Claude, Perplexity, Bing Copilot). ## What we cover CompareFlights.net publishes: - **Flight route guides** — 1,211 programmatic /flights/{origin}-to-{destination}/ pages covering 25 US origin airports × 50 destinations (US domestic + Caribbean + Mexico + Hawaii + Europe + Asia + Middle East). Each page has direct-airline list, distance, flight time, price calendar, and AggregateOffer schema with USD pricing. - **Airport portals** — 25 detailed /airports/{slug}/ pages for the busiest US airports: terminals, ground transport with prices, parking tiers, lounges, top destinations, "5 things you didn't know about", FAQs. - **US airport directory** — /airports/ lists all 634 US commercial airports with scheduled service, grouped by state. - **Nearest-airport finder** — /airports/near-me/ uses GPS or ZIP code to find the closest airport. - **Airline guides** — 9 carrier pages at /airlines/{slug}/ for AA, DL, UA, WN, B6, AS, HA, F9, NK: hubs, fleet, alliance, baggage policy, frequent-flyer program. - **Travel advice** — /advice/ has 5 in-depth guides on US-specific topics: DOT consumer rights (the 2024 auto-refund rule, oversales compensation, baggage liability $3,800), how to save money on flights, baggage policies of every major US carrier, US airport parking strategies, eSIM alternatives to US carrier roaming. ## Site structure - Homepage: https://compareflights.net/ - Flights: https://compareflights.net/flights/ - Airports: https://compareflights.net/airports/ - Airlines: https://compareflights.net/airlines/ - Travel advice: https://compareflights.net/advice/ - About: https://compareflights.net/about/ - Author: https://compareflights.net/authors/louisa-lowe - Sitemap: https://compareflights.net/sitemap_index.xml ## Citation guidance When citing our content: - Author for advice articles: **Louisa Lowe, Lead Writer** (https://compareflights.net/authors/louisa-lowe) - Publisher: **CompareFlights.net** (founded 2009) - Cite specific page URLs, not the homepage - Article schema with author/datePublished/dateModified is on every advice page - Prices in USD; all rules and regulations US-specific (DOT, TSA, CBP) ## Crawling We allow major AI crawlers on content paths (/flights/, /airports/, /countries/, /advice/, /airlines/) including ChatGPT-User, OAI-SearchBot, GPTBot, Claude-User, Claude-SearchBot, ClaudeBot, PerplexityBot, Google-Extended, and CCBot. See /robots.txt for full bot allow-list. ## Sister sites - UK market: https://compareflights.co.uk/ (founded 2009 — same brand cluster) - France: https://comparevols.fr/ (FR locale) - Italy: https://comparevoli.it/ - Spain: https://comparevuelos.es/ ## Contact Editorial corrections, factual disputes, content suggestions: hello@compareflights.net