Expedia API
Expedia (expedia.com) has 2 public methods: search hotels and search flights. Each costs 1 credit per completed run (1¢ with pay as you go); failed runs are free.
Unofficial. Not affiliated with or endorsed by Expedia.
Methods
2Finds Expedia hotels in a destination for given dates, with public USD prices, reviews, property class, refund status and links. Nightly prices are per room; totals include all requested rooms, taxes and fees.
Returns name, star rating, guest rating, reviews, neighbourhood, nightly and total price, refundability, link
Readexpedia.com/search_hotelsFinds Expedia flights between cities or airports on selected dates, with per-traveler USD prices. Round trips combine outbound and return choices; for round trips only the cheapest outbound choices are paired with their returns.
Returns airlines, flight numbers, airports, local departure and arrival times, travel time, stops, price per traveler, link
Readexpedia.com/search_flights