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Recipe · Flights API

Fare-alert cron with n8n

The verdict field makes alerting trivial: poll on a schedule and fire only when price_range_in_relation_to_other_periods === "low". No home-grown price-history database needed, because Google’s band IS the history. Send the buy_link in the alert so the user can book from the notification.

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Step 1 · Connect

Install the community node

Settings → Community nodes → Install → n8n-nodes-flightpowers (v0.2.2 on npm). Add your RapidAPI key once as a credential; every workflow reuses it.

community node package name
n8n-nodes-flightpowers

Bring your own RapidAPI key: every request is billed to your own subscription, never ours.

Step 2 · Ask it

The prompt

The job in plain words. In n8n you express it as the node configuration below instead of a prompt.

“Every morning, check JFK→LHR fares for my December dates and alert me when Google’s verdict flips to low.”

Step 3 · Under the hood

What the node sends

The node issues this request against the same live API: real parameter names, exactly as the endpoint takes them.

request the node issues
// search_oneway_flights
{
  "from_airport": "JFK",
  "to_airport": "LHR",
  "departure_date": "2026-12-10",
  "limit": 3
}

Step 4 · Read the response

Fields your logic reads

The response is flat JSON. These are the fields this recipe branches on, with what each one means.

pricestring

The fare as Google Flights displays it: “$56”. The numeric twin price_as_number rides alongside for sorting and arithmetic.

price_range_in_relation_to_other_periods"low" | "typical" | "high" | null

Google’s verdict on the current fare against that band, the single field alerting, ranking, and “book now” logic branch on.

buy_linkstring (URL)

A Google Flights deep link that reopens this exact itinerary. Hand it to the user; it just works.

Questions, answered plainly

Is my key billed to me?
Yes. Your RapidAPI key lives in an n8n credential, the node sends it on every request, and usage meters against your own subscription on RapidAPI. There is no FlightPowers account and no second bill.
Does this need a server of mine?
Only your n8n instance, cloud or self-hosted. The node calls the API directly from wherever n8n runs; there is nothing of ours to deploy.
What does it cost?
The Google Flights Live API's free tier is 10 requests/month with a hard cap: enough to verify your key works, not to evaluate. The PRO plan is $10/month for 2,500 requests, and every plan includes every endpoint. A single daily check is about 30 requests a month: past the free tier’s 10, comfortably inside PRO.

Also works with

Fare-alert cron, elsewhere in your stack

Fare-alert cron in ClaudeFare-alert cron in ChatGPTFare-alert cron in CursorFare-alert cron in Claude CodeFare-alert cron in OpenClaw

More recipes

More to build in n8n

One-way flight search

Flights API · search_oneway_flights

Round-trip search

Flights API · search_roundtrip_flights

Price-insights check

Flights API · search_oneway_flights

Cheapest-date scan

Flights API · search_oneway_flights

Hotel search

Hotels API · search_hotels

Rate-parity check

Hotels API · find_hotel_by_name

Ready to judge a fare, not just fetch it?

Live Google Flights and Booking.com data, with the price band and verdict attached to every result. Free tier on RapidAPI, no card to try.

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Free tier: 10 requests/month. No card to try.