This week: Gulf Air is resuming service to Milan; Southwest readies for further Hawaii expansion; and Bamboo Airways to grow its international network.

This week: AirAsia X to open Okinawa service; Norwegian to add Austin - Paris non-stop; and WestJet plans seasonal flights between Calgary and Rome.

This week: VietJet is launching its first direct service to Australia; Ethiopian Airlines is returning to Athens after 18 years; and Ural Airlines to enter Moscow - London market.