Cheapest observed fare, 6-month low and best departure date for a city pair.
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Returns the cheapest observed one-way fare between two cities, plus the six-month low and the departure date on which the low was observed. Use whenever the user names an origin and a destination and asks about price, the cheapest date to fly, or whether a fare is a good deal. Both arguments are required; neither alone produces a valid answer. Answers are directional and per pair - PAR to BKK is not BKK to PAR and is not PAR to SIN. Prices are cached snapshots, never live quotes: say "last observed", never "current price", and surface live_check_url to any user about to book.
Destination city. Uppercase IATA city code such as BKK. Must differ from from.
Origin city. Uppercase IATA city code such as PAR. A city slug such as paris also resolves. If you cannot resolve the city, call resolve_city first - do not guess a code.
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Returns the cheapest observed one-way fare between two cities, plus the six-month low and the departure date on which the low was observed. Use whenever the user names an origin and a destination and asks about price, the cheapest date to fly, or whether a fare is a good deal. Both arguments are required; neither alone produces a valid answer. Answers are directional and per pair - PAR to BKK is not BKK to PAR and is not PAR to SIN. Prices are cached snapshots, never live quotes: say "last observed", never "current price", and surface live_check_url to any user about to book.
| Argument | Type | Description |
|---|---|---|
| to* | string | Destination city. Uppercase IATA city code such as BKK. Must differ from from. |
| from* | string | Origin city. Uppercase IATA city code such as PAR. A city slug such as paris also resolves. If you cannot resolve the city, call resolve_city first - do not guess a code. |
{
"type": "object",
"required": [
"from",
"to"
],
"properties": {
"to": {
"type": "string",
"description": "Destination city. Uppercase IATA city code such as BKK. Must differ from from."
},
"from": {
"type": "string",
"description": "Origin city. Uppercase IATA city code such as PAR. A city slug such as paris also resolves. If you cannot resolve the city, call resolve_city first - do not guess a code."
}
},
"additionalProperties": false
}Returns destinations reachable from one origin, sorted cheapest first. Use when the user asks where they can fly cheaply from a city, or wants inspiration rather than one specific pair. One call replaces dozens of page fetches. Prices are cached snapshots.
| Argument | Type | Description |
|---|---|---|
| from* | string | Origin city. Uppercase IATA city code such as LON. |
| limit | integer | How many destinations to return, 1-200. Default 40. |
{
"type": "object",
"required": [
"from"
],
"properties": {
"from": {
"type": "string",
"description": "Origin city. Uppercase IATA city code such as LON."
},
"limit": {
"type": "integer",
"maximum": 200,
"minimum": 1,
"description": "How many destinations to return, 1-200. Default 40."
}
},
"additionalProperties": false
}Turns a spoken city name into the uppercase IATA city code the other tools expect. Call this before find_cheapest_fare whenever you are not certain of a code. Do not invent codes.
| Argument | Type | Description |
|---|---|---|
| query* | string | City name or partial name, e.g. "sao paulo". |
{
"type": "object",
"required": [
"query"
],
"properties": {
"query": {
"type": "string",
"description": "City name or partial name, e.g. \"sao paulo\"."
}
},
"additionalProperties": false
}