Example
A free-text search works as a link:result, shortened to one flight:
Links that work
The market, language and currency come from the link’s
gl, hl and curr parameters.
Fields
Each flight:position, isBest, price, currency, airline, airlines, flightNumbers, departureAirport, arrivalAirport, duration, durationMinutes, stops, layovers, legs (with aircraft, seat, legroom, Wi-Fi, power and video, operator, overnight and often-delayed flags), carbonEmissions, bagsIncluded, fare (change and refund rules when Google shows them), bookingToken, bookingUrl and returnFlightsUrl.
The search: resultCount, cheapestPrice, priceInsights (lowest price, typical range, price level and about 60 days of price history), cheapestFlight, airlineSummary, nearbyAirportDeals, airports, airlinesOnRoute, alliances and bag policy links per airline.

