Island Airlines offers a bargain price of $28 for one way flights during the weekdays only. If you are traveling from Nantucket to Hyannis; the 6:35am, 7 am and 8 am flights are discounted and from Hyannis to Nantucket the 1pm, 2:30 pm or 3:30 pm flights are $28 as well. Please call ahead to confirm and book your reservation. 508-228-7575. The flight times & price are subject to change.