Google Flights
Service domainTRAVEL
Arcade OptimizedBYOCPro
Arcade.dev LLM tools for getting flights via Google Flights
Author:Arcade
Version:
4.1.0Auth:No authentication required
4tools
4require secrets
Google Flights Toolkit
The Google Flights toolkit wraps the SerpApi Google Flights endpoint, enabling LLMs and agents to search real-time flight data, resolve itineraries to booking vendors, and look up airport codes — all without requiring user authentication.
Capabilities
- Airport lookup: Resolve city names, country names, or airport names to IATA codes; supports metropolitan area codes (NYC, LON, etc.) that fan out across all airports in a metro.
- One-way & round-trip search: Search flights with a single call; round-trip fares are priced as a bundle (not two summed one-ways) and results include direct Google Flights booking URLs.
- Multi-city / open-jaw search: Query complex itineraries in one call — yields a bundled price that is typically cheaper than equivalent summed one-way searches.
- Booking option resolution: Convert a
booking_tokenfrom a search result into a list of airlines and OTAs selling that specific itinerary, with optional POST data for backend vendor hand-offs.
Secrets
SERP_API_KEY — An API key issued by SerpApi, the service that powers the Google Flights data. To obtain one:
- Create or log in to an account at serpapi.com.
- Navigate to your dashboard — your API key is displayed at the top of the page.
- SerpApi has a free tier with limited monthly searches; paid plans are required for higher volume. The key does not require any additional scope configuration — it grants access to all SerpApi engines including Google Flights.
Store the key in Arcade as a secret named exactly SERP_API_KEY. See the Arcade secrets docs for configuration details, or add it directly via the Arcade secrets dashboard.
Available tools(4)
4 of 4 tools
Operations
Behavior
| Tool name | Description | Secrets | |
|---|---|---|---|
Resolve a ``booking_token`` to the airlines and OTAs selling that itinerary.
Pass a ``booking_token`` returned by ``search_flights`` or
``search_multi_city_flights`` to get the vendors selling that
specific flight. The token encodes the route, dates, cabin class,
and passenger counts (every segment for multi-city), so there are
no ``travel_class``, ``num_adults``, or ``num_children`` parameters;
supplying a cabin or party size would silently disagree with the
itinerary the token was issued for.
Leave ``include_booking_post_data`` off (the default) when an LLM
is comparing prices; turn it on only when a backend needs to
rebuild the vendor hand-off, since the POST body is multiple
kilobytes per option. | 1 | ||
Find IATA airport codes for a city, country, or airport name.
Metropolitan codes (NYC, LON, TYO, PAR, ...) are accepted as a
``departure_airport_code`` or ``arrival_airport_code`` in flight
searches and mean "any airport in this city". | 1 | ||
Search Google Flights for one-way or round-trip itineraries.
For a trip where the traveler returns to their origin, issue a
single call with both ``outbound_date`` and ``return_date`` set.
Do NOT issue two separate one-way searches in opposite directions
and sum the prices: airlines price round-trip fares independently
from one-way fares, so the sum of two cheapest one-ways is rarely
equal to the cheapest round-trip and is typically more expensive.
Each returned itinerary carries a ``google_flights_url`` that opens
that specific pre-selected flight on Google Flights, so you can hand
the user a booking link straight from these results without a
separate booking-options lookup. | 1 | ||
Search Google Flights for a multi-city (open-jaw) itinerary.
Use this for trips that are neither a simple one-way nor a round-trip
(e.g. an open-jaw three-leg trip that ends back at the origin).
The open-jaw bundle is typically cheaper than the equivalent set
of one-way searches summed; never substitute multiple
``search_flights`` calls for a single multi-city query.
Each returned itinerary carries a ``google_flights_url`` that opens
that specific pre-selected itinerary on Google Flights, so you can
hand the user a booking link straight from these results without a
separate booking-options lookup. | 1 |
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