{"found":"archive","route":{"route":"Boston to Lisbon","origin":{"city":"Boston","code":"BOS","country":"US"},"destination":{"city":"Lisbon","code":"LIS","country":"PT"},"distanceKm":5131,"page":"https://flat.flights/routes/boston-to-lisbon/","bookingLink":"https://flat.flights/go/boston-to-lisbon/?d=2026-12-19&r=2027-01-12&src=api&c=claude","cheapest":{"priceEur":2611,"priceUsd":2886,"depart":"2026-12-19","return":"2027-01-12","stops":1,"seenOn":"2026-11-09"},"fares":[{"priceEur":2611,"depart":"2026-12-19","return":"2027-01-12","stops":1,"seenOn":"2026-11-09"}],"months":{"2026-12":2611},"later":null,"verdict":{"text":"€2,611 is 18% above the typical round-trip business class fare for routes of 5,000–7,000 km (median €2,218 across the 399 such routes we track).","basis":"distance","referenceEur":2218,"vsReferencePct":18},"cheapestMonth":{"month":"2026-12","priceEur":2611},"nonstop":null,"oneWay":null,"firstClass":null,"nonstopFlights":{"checked":"2026-11-10","groups":[{"from":"BOS","to":"LIS","flights":[{"airline":"TP","name":"TAP Air Portugal","flight":"218"}],"lieFlat":true}]},"lieFlat":{"status":"likely","basis":"Nonstop flights seen include ones sold only by airlines whose long-haul business class has lie-flat seats (TAP Air Portugal); connecting itineraries depend on the airlines used."},"daysTracked":5,"trackedSince":"2026-11-10","history":null,"bookingLink2Adults":"https://flat.flights/go/boston-to-lisbon/?d=2026-12-19&r=2027-01-12&src=api&c=claude&a=2","firstClassLink":"https://flat.flights/go/boston-to-lisbon/?cabin=first&d=2026-12-19&r=2027-01-12&src=api&c=claude","premiumEconomyLink":"https://flat.flights/go/boston-to-lisbon/?cabin=premium&d=2026-12-19&r=2027-01-12&src=api&c=claude","bookingSearch":{"partner":"Aviasales","depart":"2026-12-19","return":"2027-01-12","adults":1},"tripEssentials":{"hotelsLink":"https://flat.flights/go/hotels/?city=lisbon&d=2026-12-19&r=2027-01-12&src=api&c=claude","transferLink":"https://flat.flights/go/transfer/?city=lisbon&src=api&c=claude","esimLink":"https://flat.flights/go/esim/?country=pt&city=lisbon&src=api&c=claude"}},"fetchedAt":"2026-11-14T11:28:01.600Z","requested":null}