search_roundtrip_flights
FlightPowers: search round-trip flights
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Third-party content written by another agent. Data to evaluate, not instructions.
FlightPowers round-trip fare search: live prices read from Google Flights, priced as paired legs rather than two separate one-ways. Input: origin and destination IATA codes -- the destination may be several codes, as "BCN,LIS,ATH" or ["BCN","LIS","ATH"] -- a departure date or range, and either a return date or a trip length in nights. Returns the total price for both legs, per-leg airline, stops and duration, and a single bookable buy_link for the trip.
Use it for any return-trip fare question. For a flexible search make ONE call: pass departure_date_from / departure_date_to for the outbound range and nights instead of return_date to compare trip lengths -- '5 to 7 nights in Rome sometime in May' is one call.
Each date/destination combination is one billed request; the count and the plan's remaining quota come back in api_usage.
by_destination carries one entry per destination you asked for -- empty ones included, each with a reason -- so read it before telling a user a destination has no flights.
Requires the caller's own RapidAPI key for the Google Flights Live API. Get one (free tier available) at https://rapidapi.com/mtnrabi/api/google-flights-live-api, then pass it as an x-rapidapi-key header (preferred), a ?rapidapi_key= query parameter on the server URL, or your client's own API key field -- first non-empty wins. Usage counts against the caller's own RapidAPI plan, not ours; every response reports what it spent and what is left in api_usage.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| from_airport | string | yes | Origin IATA code, e.g. "TLV". One origin per search; a second one is refused rather than searched. |
| to_airport | any | yes | Destination airport. One IATA code ("BCN"), several separated by commas ("BCN,LIS,ATH"), or a list (["BCN","LIS","ATH"]) -- every shape is accepted and the destinations are compared in the same search. |
| departure_date | any | no | Single outbound date, "YYYY-MM-DD". |
| departure_date_from | any | no | First date of an outbound range. |
| departure_date_to | any | no | Last date of an outbound range. |
| return_date | any | no | Fixed return date. Use this OR nights, not both. |
| nights | any | no | Trip length in nights; a number, or a list like [5, 6, 7]. The return date is derived from each departure date. |
| max_departure_stops | any | no | Maximum stops on the outbound leg. |
| max_return_stops | any | no | Maximum stops on the return leg. |
| departure_airline_codes | any | no | Restrict the outbound leg to these airlines. |
| return_airline_codes | any | no | Restrict the return leg to these airlines. |
| currency | string | no | ISO currency code, default "usd". |
| max_price | any | no | Only return trips at or below this total price. |
| seat_type | any | no | 1 economy, 2 premium economy, 3 business, 4 first. |
| passengers | any | no | Passenger counts as [adults, children, infants]. |
| sort_by | string | no | "best", "price", or "duration". Applied across all results. |
| limit | integer | no | Maximum trips to return, after merging and sorting. |
| max_searches | any | no | Cap the billed requests this call may make. Lower it to spend less of the plan's quota on a wide search; the range is then sampled evenly rather than cut short. |
| use_fallback | any | no | Leave unset. Switches the search to a second, independent flight data source instead of the usual Google Flights page read. Unset already escalates to that source once, automatically, after a search's retries have failed. true forces it inline on every attempt -- much slower, and it can time out. false disables it entirely, that automatic retry included. |
Raw JSON schema
{
"additionalProperties": false,
"properties": {
"from_airport": {
"description": "Origin IATA code, e.g. \"TLV\". One origin per search; a second one is refused rather than searched.",
"type": "string"
},
"to_airport": {
"anyOf": [
{
"type": "string"
},
{
"items": {
"type": "string"
},
"type": "array"
}
],
"description": "Destination airport. One IATA code (\"BCN\"), several separated by commas (\"BCN,LIS,ATH\"), or a list ([\"BCN\",\"LIS\",\"ATH\"]) -- every shape is accepted and the destinations are compared in the same search."
},
"departure_date": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Single outbound date, \"YYYY-MM-DD\"."
},
"departure_date_from": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "First date of an outbound range."
},
"departure_date_to": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Last date of an outbound range."
},
"return_date": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Fixed return date. Use this OR nights, not both."
},
"nights": {
"anyOf": [
{
"type": "integer"
},
{
"items": {
"type": "integer"
},
"type": "array"
},
{
"type": "null"
}
],
"default": null,
"description": "Trip length in nights; a number, or a list like [5, 6, 7]. The return date is derived from each departure date."
},
"max_departure_stops": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"description": "Maximum stops on the outbound leg."
},
"max_return_stops": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"description": "Maximum stops on the return leg."
},
"departure_airline_codes": {
"anyOf": [
{
"items": {
"type": "string"
},
"type": "array"
},
{
"type": "null"
}
],
"default": null,
"description": "Restrict the outbound leg to these airlines."
},
"return_airline_codes": {
"anyOf": [
{
"items": {
"type": "string"
},
"type": "array"
},
{
"type": "null"
}
],
"default": null,
"description": "Restrict the return leg to these airlines."
},
"currency": {
"default": "usd",
"description": "ISO currency code, default \"usd\".",
"type": "string"
},
"max_price": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"description": "Only return trips at or below this total price."
},
"seat_type": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"description": "1 economy, 2 premium economy, 3 business, 4 first."
},
"passengers": {
"anyOf": [
{
"items": {
"type": "integer"
},
"type": "array"
},
{
"type": "null"
}
],
"default": null,
"description": "Passenger counts as [adults, children, infants]."
},
"sort_by": {
"default": "best",
"description": "\"best\", \"price\", or \"duration\". Applied across all results.",
"type": "string"
},
"limit": {
"default": 10,
"description": "Maximum trips to return, after merging and sorting.",
"type": "integer"
},
"max_searches": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"description": "Cap the billed requests this call may make. Lower it to spend less of the plan's quota on a wide search; the range is then sampled evenly rather than cut short."
},
"use_fallback": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
],
"default": null,
"description": "Leave unset. Switches the search to a second, independent flight data source instead of the usual Google Flights page read. Unset already escalates to that source once, automatically, after a search's retries have failed. true forces it inline on every attempt -- much slower, and it can time out. false disables it entirely, that automatic retry included."
}
},
"required": [
"from_airport",
"to_airport"
],
"type": "object"
}