Yes, you will get your Hawaiian miles back if you cancel an award flight, provided you cancel before the flight departs. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Your miles will be redeposited into your account, and you should also get any taxes and fees you paid refunded to the original form of payment. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) To ensure you receive the refund, make sure you cancel the flight before it's considered a no-show.