A heuristic flight inquiry system and a method for providing the same are disclosed. A heuristic flight inquiry method, according to one embodiment of the present invention, is the method for providing the heuristic flight inquiry system to select a target flight for a predetermined market - the market indicates a pair of a city of departure and a city of destination - comprising the steps of: providing, by the heuristic flight inquiry system, a route map of airlines corresponding to the market - the route map is a set of routes from the city of departure to the city of destination allowed by the fares and regulations of the airlines, and any one route is configured with at least one segment - to a terminal of a user; providing, by the heuristic flight inquiry system, first flight information corresponding to a first selection segment - the first selection segment can be any one single segment or a set of a plurality of connected single segments - to the terminal on the basis of the route map; receiving, by the heuristic flight inquiry system, a selection of any one of the first flights as a first selected flight of the first selection segment on the basis of the information on the first flights; and determining, by the heuristic flight inquiry system, the first selected flight as a first determined flight to form the target flight and determining flights corresponding to the remaining segments of the first selection segment to form the target flight.
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