{
    "query": {
        "depart_from": "2028-05-01",
        "depart_to": "2028-05-31",
        "from_port": [
            "paris",
            "amsterdam",
            "basel"
        ],
        "sort": "best_value"
    },
    "matching_sailings": 147,
    "priced_within_limits": 147,
    "returned": 10,
    "results": [
        {
            "sailing_id": "135550",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon View",
            "depart_date": "2028-05-02",
            "return_date": "2028-05-09",
            "nights": 7,
            "departs_from": "Amsterdam, The Netherlands",
            "ends_at": "Amsterdam, The Netherlands",
            "trip_type": "round_trip",
            "region": "Europe",
            "ports_of_call": [
                "Amsterdam, The Netherlands",
                "Rotterdam, The Netherlands",
                "Antwerpen, Belgium",
                "Gent, Belgium",
                "Middelburg, Zeeland, The Netherlands"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 3701,
            "price_per_person_per_night": 529,
            "cabin_for_two": 7402,
            "vs_usual": {
                "verdict": "low",
                "percent_vs_usual": -15,
                "usual_per_person_per_night": 625,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 3701,
                    "per_person_per_night": 529,
                    "cabin_for_two": 7402
                },
                "suite": {
                    "per_person": 5800,
                    "per_person_per_night": 829,
                    "cabin_for_two": 11600
                }
            },
            "priced_on": "2026-10-02",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-view-europe-from-amsterdam-7-nights-3087b7c4a280?depart=2028-05-02&grade=outside"
        },
        {
            "sailing_id": "135616",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon Panorama",
            "depart_date": "2028-05-27",
            "return_date": "2028-06-03",
            "nights": 7,
            "departs_from": "Basel, Switzerland",
            "ends_at": "Amsterdam, The Netherlands",
            "trip_type": "one_way",
            "region": "Europe",
            "ports_of_call": [
                "Amsterdam, The Netherlands",
                "Basel, Switzerland",
                "Breisach am Rhein, Germany",
                "Mainz, Germany",
                "Cologne, Germany"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 4076,
            "price_per_person_per_night": 582,
            "cabin_for_two": 8152,
            "vs_usual": {
                "verdict": "low",
                "percent_vs_usual": -13,
                "usual_per_person_per_night": 672,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 4076,
                    "per_person_per_night": 582,
                    "cabin_for_two": 8152
                },
                "suite": {
                    "per_person": 6175,
                    "per_person_per_night": 882,
                    "cabin_for_two": 12350
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-panorama-basel-to-amsterdam-7-nights-3ccf340b36a5?depart=2028-05-27&grade=outside"
        },
        {
            "sailing_id": "136546",
            "line": "Celebrity",
            "tier": "Premium",
            "ship": "Celebrity Apex",
            "depart_date": "2028-05-17",
            "return_date": "2028-05-24",
            "nights": 7,
            "departs_from": "Amsterdam, The Netherlands",
            "ends_at": "Amsterdam, The Netherlands",
            "trip_type": "round_trip",
            "region": "Northern Europe",
            "ports_of_call": [
                "Amsterdam, The Netherlands",
                "Stavanger, Norway",
                "Flaam, Norway",
                "Geiranger, Norway",
                "Zeebrugge (Bruges), Belgium"
            ],
            "quoted_cabin": "balcony",
            "price_per_person": 1992,
            "price_per_person_per_night": 285,
            "cabin_for_two": 3983,
            "vs_usual": {
                "verdict": "low",
                "percent_vs_usual": -8,
                "usual_per_person_per_night": 309,
                "compared_with": "5-8-night Northern Europe sailings on Celebrity Apex"
            },
            "price_cut": null,
            "prices": {
                "inside": {
                    "per_person": 1450,
                    "per_person_per_night": 207,
                    "cabin_for_two": 2900
                },
                "oceanview": {
                    "per_person": 1640,
                    "per_person_per_night": 234,
                    "cabin_for_two": 3280
                },
                "balcony": {
                    "per_person": 1992,
                    "per_person_per_night": 285,
                    "cabin_for_two": 3983
                },
                "suite": {
                    "per_person": 4906,
                    "per_person_per_night": 701,
                    "cabin_for_two": 9812
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/celebrity-apex-northern-europe-from-amsterdam-7-nights-f65fe0e3f397?depart=2028-05-17&grade=balcony"
        },
        {
            "sailing_id": "135596",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon Vista",
            "depart_date": "2028-05-20",
            "return_date": "2028-05-27",
            "nights": 7,
            "departs_from": "Basel, Switzerland",
            "ends_at": "Amsterdam, The Netherlands",
            "trip_type": "one_way",
            "region": "Europe",
            "ports_of_call": [
                "Basel, Switzerland",
                "Breisach am Rhein, Germany",
                "Mainz, Germany",
                "Cologne, Germany",
                "Amsterdam, The Netherlands"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 4076,
            "price_per_person_per_night": 582,
            "cabin_for_two": 8152,
            "vs_usual": {
                "verdict": "typical",
                "percent_vs_usual": -8,
                "usual_per_person_per_night": 636,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 4076,
                    "per_person_per_night": 582,
                    "cabin_for_two": 8152
                },
                "suite": {
                    "per_person": 6175,
                    "per_person_per_night": 882,
                    "cabin_for_two": 12350
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-vista-basel-to-amsterdam-7-nights-995bb0565b29?depart=2028-05-20&grade=outside"
        },
        {
            "sailing_id": "135558",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon Panorama",
            "depart_date": "2028-05-06",
            "return_date": "2028-05-13",
            "nights": 7,
            "departs_from": "Amsterdam, The Netherlands",
            "ends_at": "Basel, Switzerland",
            "trip_type": "one_way",
            "region": "Europe",
            "ports_of_call": [
                "Cologne, Germany",
                "Amsterdam, The Netherlands",
                "Breisach am Rhein, Germany",
                "Basel, Switzerland"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 4201,
            "price_per_person_per_night": 600,
            "cabin_for_two": 8402,
            "vs_usual": {
                "verdict": "typical",
                "percent_vs_usual": -6,
                "usual_per_person_per_night": 636,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 4201,
                    "per_person_per_night": 600,
                    "cabin_for_two": 8402
                },
                "suite": {
                    "per_person": 6300,
                    "per_person_per_night": 900,
                    "cabin_for_two": 12600
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-panorama-amsterdam-to-basel-7-nights-547c64221d4f?depart=2028-05-06&grade=outside"
        },
        {
            "sailing_id": "135559",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon Tranquility II",
            "depart_date": "2028-05-07",
            "return_date": "2028-05-14",
            "nights": 7,
            "departs_from": "Amsterdam, The Netherlands",
            "ends_at": "Basel, Switzerland",
            "trip_type": "one_way",
            "region": "Europe",
            "ports_of_call": [
                "Amsterdam, The Netherlands",
                "Dusseldorf, Germany",
                "Breisach am Rhein, Germany",
                "Basel, Switzerland"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 4451,
            "price_per_person_per_night": 636,
            "cabin_for_two": 8902,
            "vs_usual": {
                "verdict": "low",
                "percent_vs_usual": -6,
                "usual_per_person_per_night": 679,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 4451,
                    "per_person_per_night": 636,
                    "cabin_for_two": 8902
                },
                "suite": {
                    "per_person": 6550,
                    "per_person_per_night": 936,
                    "cabin_for_two": 13100
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-tranquility-ii-amsterdam-to-basel-7-nights-42dc329f5b31?depart=2028-05-07&grade=outside"
        },
        {
            "sailing_id": "135579",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon Panorama",
            "depart_date": "2028-05-13",
            "return_date": "2028-05-20",
            "nights": 7,
            "departs_from": "Basel, Switzerland",
            "ends_at": "Amsterdam, The Netherlands",
            "trip_type": "one_way",
            "region": "Europe",
            "ports_of_call": [
                "Basel, Switzerland",
                "Breisach am Rhein, Germany",
                "Mainz, Germany",
                "Cologne, Germany",
                "Amsterdam, The Netherlands"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 4451,
            "price_per_person_per_night": 636,
            "cabin_for_two": 8902,
            "vs_usual": {
                "verdict": "typical",
                "percent_vs_usual": -5,
                "usual_per_person_per_night": 672,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 4451,
                    "per_person_per_night": 636,
                    "cabin_for_two": 8902
                },
                "suite": {
                    "per_person": 6550,
                    "per_person_per_night": 936,
                    "cabin_for_two": 13100
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-panorama-basel-to-amsterdam-7-nights-5059c04feb71?depart=2028-05-13&grade=outside"
        },
        {
            "sailing_id": "135549",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon Envision",
            "depart_date": "2028-05-02",
            "return_date": "2028-05-09",
            "nights": 7,
            "departs_from": "Amsterdam, The Netherlands",
            "ends_at": "Basel, Switzerland",
            "trip_type": "one_way",
            "region": "Europe",
            "ports_of_call": [
                "Amsterdam, The Netherlands",
                "Cologne, Germany",
                "Breisach am Rhein, Germany",
                "Basel, Switzerland"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 4326,
            "price_per_person_per_night": 618,
            "cabin_for_two": 8652,
            "vs_usual": {
                "verdict": "typical",
                "percent_vs_usual": -4,
                "usual_per_person_per_night": 643,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 4326,
                    "per_person_per_night": 618,
                    "cabin_for_two": 8652
                },
                "suite": {
                    "per_person": 6425,
                    "per_person_per_night": 918,
                    "cabin_for_two": 12850
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-envision-amsterdam-to-basel-7-nights-85caf775f098?depart=2028-05-02&grade=outside"
        },
        {
            "sailing_id": "135585",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon Envision",
            "depart_date": "2028-05-16",
            "return_date": "2028-05-23",
            "nights": 7,
            "departs_from": "Amsterdam, The Netherlands",
            "ends_at": "Basel, Switzerland",
            "trip_type": "one_way",
            "region": "Europe",
            "ports_of_call": [
                "Amsterdam, The Netherlands",
                "Cologne, Germany",
                "Breisach am Rhein, Germany",
                "Basel, Switzerland"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 4326,
            "price_per_person_per_night": 618,
            "cabin_for_two": 8652,
            "vs_usual": {
                "verdict": "typical",
                "percent_vs_usual": -4,
                "usual_per_person_per_night": 643,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 4326,
                    "per_person_per_night": 618,
                    "cabin_for_two": 8652
                },
                "suite": {
                    "per_person": 6425,
                    "per_person_per_night": 918,
                    "cabin_for_two": 12850
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-envision-amsterdam-to-basel-7-nights-f9836fba1421?depart=2028-05-16&grade=outside"
        },
        {
            "sailing_id": "135620",
            "line": "Avalon",
            "tier": "River",
            "ship": "Avalon Envision",
            "depart_date": "2028-05-30",
            "return_date": "2028-06-06",
            "nights": 7,
            "departs_from": "Amsterdam, The Netherlands",
            "ends_at": "Basel, Switzerland",
            "trip_type": "one_way",
            "region": "Europe",
            "ports_of_call": [
                "Amsterdam, The Netherlands",
                "Cologne, Germany",
                "Breisach am Rhein, Germany",
                "Basel, Switzerland"
            ],
            "quoted_cabin": "oceanview",
            "price_per_person": 4326,
            "price_per_person_per_night": 618,
            "cabin_for_two": 8652,
            "vs_usual": {
                "verdict": "typical",
                "percent_vs_usual": -4,
                "usual_per_person_per_night": 643,
                "compared_with": "other dates of this sailing"
            },
            "price_cut": null,
            "prices": {
                "oceanview": {
                    "per_person": 4326,
                    "per_person_per_night": 618,
                    "cabin_for_two": 8652
                },
                "suite": {
                    "per_person": 6425,
                    "per_person_per_night": 918,
                    "cabin_for_two": 12850
                }
            },
            "priced_on": "2026-10-01",
            "taxes_included": true,
            "book_url": "https://fantasize.net/cruise/avalon-envision-amsterdam-to-basel-7-nights-4e7db922a1bc?depart=2028-05-30&grade=outside"
        }
    ],
    "notes": [
        "Prices are US dollars per person, for the whole cruise, cabin for two sharing, taxes and port fees included (Viking River quotes exclude taxes), the cheapest cabin of that grade as sold through Cruisebound, read by Fantasize on the priced_on date. Fares move daily: quote the date with the price.",
        "book_url opens this exact sailing on fantasize.net; the person taps Book there to reserve it with Cruisebound (a licensed US cruise seller). The tools do not book or take payment.",
        "best_value ranks by the stronger of two measures: how far each fare sits below the usual price for the same cruise on other dates, else the same ship, line or tier with the same length and region (vs_usual says which), and how far the fare sits under its own typical price over the last 90 days (price_cut, from at least 4 earlier reads). Sailings with neither come after, cheapest per night first."
    ]
}