# Expedia API: Search flights > Finds 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. Unofficial. Not affiliated with or endorsed by Expedia. - Page: https://fous.com/methods/expedia.com/search-flights - Method: `expedia.com/search_flights`, version 1 - Website: expedia.com - Returns: airlines, flight numbers, airports, local departure and arrival times, travel time, stops, price per traveler, link - Effect: read (it gets data and changes nothing) - Sign-in: none needed - Cost: 1 credit per completed run (1¢ with pay as you go); failed runs are free - Verified: Nov 2, 2026 ## Inputs | Field | Type | Required | In the run below | Description | |---|---|---|---|---| | `cabin` | string | no | | Cabin class, e.g. business. One of "economy", "premium_economy", "business", "first". Default "economy". | | `adults` | integer | no | | Number of adult travelers, e.g. 2. Default 1. | | `origin` | string | yes | `"Chicago"` | Departure city or airport, e.g. Chicago or ORD. | | `destination` | string | yes | `"Denver"` | Arrival city or airport, e.g. Denver or DEN. | | `max_results` | integer | no | | Maximum flight options to return, e.g. 20. Default 20. | | `return_date` | string | no | | Return date for a round trip (YYYY-MM-DD), e.g. 2026-11-17. | | `nonstop_only` | boolean | no | | Only show nonstop flights, e.g. true. Default false. | | `departure_date` | string | yes | `"2026-11-10"` | Departure date (YYYY-MM-DD), e.g. 2026-11-10. | ## Output From a run on Oct 31, 2026, shortened. Its input: ```json { "origin": "Chicago", "destination": "Denver", "departure_date": "2026-11-10" } ``` Its output: ```json { "flight_options": [ { "stops": 0, "airlines": [ "Frontier Airlines" ], "currency": "USD", "page_link": "https://www.expedia.com/Flights-Search?leg1=from%3AChicago%2Cto%3ADenver%2Cdeparture%3A11%2F10%2F2026TANYT&mode=search&trip=oneway&airProductToken=AQowCi4IxnISBDE0ODMYrhwgg2ko7uOcAzCe5ZwDOEVAAFgBagRQQ18xcgdHMjFFWFMzEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ", "travel_time": "2 h 56 min", "arrival_time": "2026-11-10T08:26:00-07:00", "stop_airports": [], "departure_time": "2026-11-10T06:30:00-06:00", "flight_numbers": [ "F91483" ], "travel_time_minutes": 176, "arrival_airport_code": "DEN", "arrival_airport_name": "Denver Intl.", "departure_airport_code": "ORD", "departure_airport_name": "O'Hare Intl.", "price_per_traveler_usd": 76 }, { "stops": 1, "airlines": [ "Frontier Airlines" ], "currency": "USD", "page_link": "https://www.expedia.com/Flights-Search?leg1=from%3AChicago%2Cto%3ADenver%2Cdeparture%3A11%2F10%2F2026TANYT&mode=search&trip=oneway&airProductToken=AQpiCi8IxnISBDMyNDEYrhwgo7EBKOjlnAMwluecAzhFQABYAWoEUENfMXIHUjIxVlhQMgovCMZyEgQ0MDY5GKOxASCDaSjX55wDMN3onAM4RUABWAFqBFBDXzFyB1IyMVZYUDISCggBEAEYASoCRjkYA…", "travel_time": "6 h 13 min", "arrival_time": "2026-11-10T15:53:00-07:00", "stop_airports": [ "DFW" ], "departure_time": "2026-11-10T10:40:00-06:00", "flight_numbers": [ "F93241", "F94069" ], "travel_time_minutes": 373, "arrival_airport_code": "DEN", "arrival_airport_name": "Denver Intl.", "departure_airport_code": "ORD", "departure_airport_name": "O'Hare Intl.", "price_per_traveler_usd": 102 }, { "stops": 1, "airlines": [ "Frontier Airlines" ], "currency": "USD", "page_link": "https://www.expedia.com/Flights-Search?leg1=from%3AChicago%2Cto%3ADenver%2Cdeparture%3A11%2F10%2F2026TANYT&mode=search&trip=oneway&airProductToken=AQpgCi4IxnISBDMxMzUYrhwgiDgou-ecAzD56JwDOEVAAFgBagRQQ18xcgdSMjFWWFAyCi4IxnISBDI5OTUYiDggg2ko_-qcAzCe7JwDOEVAAVgBagRQQ18xcgdSMjFWWFAyEgoIARABGAEqAkY5GAEiB…", "travel_time": "10 h 11 min", "arrival_time": "2026-11-10T23:22:00-07:00", "stop_airports": [ "IAH" ], "departure_time": "2026-11-10T14:11:00-06:00", "flight_numbers": [ "F93135", "F92995" ], "travel_time_minutes": 611, "arrival_airport_code": "DEN", "arrival_airport_name": "Denver Intl.", "departure_airport_code": "ORD", "departure_airport_name": "O'Hare Intl.", "price_per_traveler_usd": 108 } ] } ``` ## Run it From code, with a Fous API key in `FOUS_API_KEY`; the answer's `data` holds the output: ```bash curl https://api.fous.com/v1/runs \ -H "Authorization: Bearer $FOUS_API_KEY" \ -H "Content-Type: application/json" \ -d '{"method":"expedia.com/search_flights","input":{"origin":"Chicago","destination":"Denver","departure_date":"2026-11-10"}}' ``` From an AI agent connected to the Fous MCP server: its `run` with the same method and input. To connect one, give it `set up https://fous.com/SKILL.md`. ## Ask your agent - Find me round-trip flights from Boston to Lisbon leaving 2026-05-14 and coming back 2026-05-24 for 2 adults, economy, with prices per person. - What nonstop flights are there from SFO to JFK on March 3, 2026? Show airlines, flight numbers, departure times and fares. - Check Expedia for business class one-way flights from Seattle to Tokyo on 2026-09-08, top 10 options. - I need flights Atlanta to Cancun, departing June 20 2026, returning June 27 2026, 4 adults, nonstop only please. - Pull up Expedia premium economy fares from LAX to London Heathrow on 2026-12-18, one way, with stops and total travel time. ## Input schema ```json { "type": "object", "required": [ "origin", "destination", "departure_date" ], "properties": { "cabin": { "enum": [ "economy", "premium_economy", "business", "first" ], "type": "string", "default": "economy", "description": "Cabin class, e.g. business." }, "adults": { "type": "integer", "default": 1, "maximum": 9, "minimum": 1, "description": "Number of adult travelers, e.g. 2." }, "origin": { "type": "string", "minLength": 2, "description": "Departure city or airport, e.g. Chicago or ORD." }, "destination": { "type": "string", "minLength": 2, "description": "Arrival city or airport, e.g. Denver or DEN." }, "max_results": { "type": "integer", "default": 20, "maximum": 50, "minimum": 1, "description": "Maximum flight options to return, e.g. 20." }, "return_date": { "type": "string", "description": "Return date for a round trip (YYYY-MM-DD), e.g. 2026-11-17." }, "nonstop_only": { "type": "boolean", "default": false, "description": "Only show nonstop flights, e.g. true." }, "departure_date": { "type": "string", "description": "Departure date (YYYY-MM-DD), e.g. 2026-11-10." } } } ``` ## Output schema ```json { "type": "object", "required": [ "flight_options" ], "properties": { "flight_options": { "type": "array", "items": { "type": "object", "required": [ "airlines", "flight_numbers", "departure_airport_name", "departure_airport_code", "arrival_airport_name", "arrival_airport_code", "departure_time", "arrival_time", "travel_time", "travel_time_minutes", "stops", "stop_airports", "price_per_traveler_usd", "currency", "page_link" ], "properties": { "stops": { "type": "integer" }, "airlines": { "type": "array", "items": { "type": "string" } }, "currency": { "type": "string", "description": "USD." }, "page_link": { "type": "string", "format": "uri" }, "travel_time": { "type": "string" }, "arrival_time": { "type": "string", "format": "date-time" }, "return_stops": { "type": [ "integer", "null" ] }, "stop_airports": { "type": "array", "items": { "type": "string" } }, "departure_time": { "type": "string", "format": "date-time" }, "flight_numbers": { "type": "array", "items": { "type": "string" } }, "return_airlines": { "type": [ "array", "null" ], "items": { "type": "string" } }, "return_travel_time": { "type": [ "string", "null" ] }, "return_arrival_time": { "type": [ "string", "null" ], "format": "date-time" }, "travel_time_minutes": { "type": "integer" }, "arrival_airport_code": { "type": "string" }, "arrival_airport_name": { "type": "string" }, "return_stop_airports": { "type": [ "array", "null" ], "items": { "type": "string" } }, "return_departure_time": { "type": [ "string", "null" ], "format": "date-time" }, "return_flight_numbers": { "type": [ "array", "null" ], "items": { "type": "string" } }, "departure_airport_code": { "type": "string" }, "departure_airport_name": { "type": "string" }, "price_per_traveler_usd": { "type": "number", "description": "Total fare in USD per traveler." }, "return_travel_time_minutes": { "type": [ "integer", "null" ] }, "return_arrival_airport_code": { "type": [ "string", "null" ] }, "return_arrival_airport_name": { "type": [ "string", "null" ] }, "return_departure_airport_code": { "type": [ "string", "null" ] }, "return_departure_airport_name": { "type": [ "string", "null" ] } }, "additionalProperties": false } } }, "additionalProperties": false } ``` ## See more - [Expedia API: Search hotels](https://fous.com/methods/expedia.com/search-hotels.md): Finds 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. - [Trip.com API: Search flights](https://fous.com/methods/trip.com/search-flights.md): Finds priced flights between two cities or airports on Trip.com for the chosen dates, cheapest first; round trips pair each outbound flight with its available returns. - [Google API: Search Google Flights](https://fous.com/methods/google.com/search-flights.md): Finds Google Flights options for a route and date with prices, local times, stops and emissions. Round-trip searches list outbound choices with their displayed round-trip fares. - [Google API: List cheap flight destinations](https://fous.com/methods/google.com/list-cheap-destinations.md): Lists cheap round-trip destinations from a city on Google Travel Explore, sorted by fare, optionally within a region, travel month, trip length and nonstop only. Links search Google Flights for the shown dates. - [FlixBus API: Search bus trips](https://fous.com/methods/flixbus.com/search-bus-trips.md): Finds dated FlixBus trip options between two cities, with stops, local times, availability and displayed per-person prices, including partner operators on some routes. - [Google API: Get cheapest flight dates in a month](https://fous.com/methods/google.com/get-cheapest-dates.md): Finds the lowest Google Flights fare for each departure date in a month between two places, for one-way trips or a fixed trip length, with the cheapest option and any price insight shown. - [Trip.com API: Search hotels](https://fous.com/methods/trip.com/search-hotels.md): Finds hotels in a city on Trip.com for given dates, with prices, guest ratings, reviews and booking links. Only the initial public listing is read, so large limits may return fewer hotels. - [Kayak API: Search hotels](https://fous.com/methods/kayak.com/search-hotels.md): Compares Kayak hotel nightly rates across booking sites for a city or neighborhood and stay dates (two adults, one room). - [All Expedia methods](https://fous.com/methods/expedia.com.md)