{
  "ok": true,
  "intent": "flight.nonstop",
  "answer": "2 airlines fly Porto → Bilbao nonstop: Volotea and Vueling.",
  "count": 2,
  "from": {
    "query": "OPO",
    "label": "Porto",
    "kind": "airport",
    "matched": "exact",
    "airports": [
      "OPO"
    ]
  },
  "to": {
    "query": "BIO",
    "label": "Bilbao",
    "kind": "airport",
    "matched": "exact",
    "airports": [
      "BIO"
    ]
  },
  "airlines": [
    {
      "name": "Volotea",
      "bookDirect": "https://www.volotea.com",
      "routes": [
        {
          "from": "OPO",
          "to": "BIO"
        }
      ]
    },
    {
      "name": "Vueling",
      "bookDirect": "https://www.vueling.com",
      "routes": [
        {
          "from": "OPO",
          "to": "BIO"
        }
      ]
    }
  ],
  "routes": [
    {
      "from": "OPO",
      "to": "BIO",
      "airlines": [
        "Volotea",
        "Vueling"
      ]
    }
  ],
  "airports": {
    "OPO": {
      "iata": "OPO",
      "name": "Porto",
      "city": "Porto",
      "country": "Portugal"
    },
    "BIO": {
      "iata": "BIO",
      "name": "Bilbao",
      "city": "Bilbao",
      "country": "Spain"
    }
  },
  "compare": {
    "pair": "OPO-BIO",
    "tripcom": "https://www.trip.com/flights/porto-to-bilbao/tickets-OPO-BIO/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359",
    "aviasales": "https://www.aviasales.com/search/OPO0911BIO1?marker=713359",
    "disclosure": "Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed."
  },
  "bookDirectNote": "bookDirect is the airline's own website. picktheflight earns nothing from it.",
  "page": "https://picktheflight.com/?from=OPO&to=BIO&tm=1",
  "api": "https://picktheflight.com/intents/OPO/BIO?tm=1",
  "asOf": "2026-10-12",
  "source": "Airline schedule tables on Wikipedia (\"Airlines and destinations\"), matched by exact airport article; airline booking sites from Wikidata",
  "confirm": "Schedules change. Confirm the flight on the airline's own site before booking."
}