Lisbon (LIS) to Bissau (OXB): 1,900 miles (3,058 km) great-circle, about 4h 20m nonstop by our estimate. Cheapest fare observed: $847 round-trip on Royal Air Maroc, with 1 stop, departing May 5, 2026.
$847 round-trip, Royal Air Maroc AT983, departing 2026-05-05 at 18:40, returning 2026-06-27. The recorded itinerary left on a Tuesday, returning on a Saturday 53 nights later; the fare was observed 10 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $847, it ranked 30th of the 30 round-trip fares we recorded from LIS (median $251). That is 44.6 cents per great-circle mile (round-trip price over one-way distance), above the LIS median of 18.5 cents across 30 round-trip routes.
Routes from LIS of similar length: Praia (1,864 mi) at $356 and Chisinau (1,987 mi) at $557.
LIS to OXB is the only one of 30 LIS routes where Royal Air Maroc priced cheapest. It is the 11th longest of the 30 routes we track from LIS.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Lisbon, Africa/Bissau; flight time is our estimate.