Aviasales.com compares prices for airline tickets to Guinea-Bissau with 728 airlines from all over the world. We do not sell airline tickets ourselves, but you can use our service to find the lowest prices and special offers with no additional fees or mark-ups. Find the cheapest flights to Guinea-Bissau with Aviasales.com. The population of Guinea-Bissau is 1,565,000. The official currency is Xof (XOF).