https://**********hitachivantara.com/discussion/can-you-change-or-cancel-an-expedia-flight?ReturnUrl=%2fcommunities%2fcommunity-home%2fdigestviewer%3fListKey%3dec96d255-9542-4dc6-85bf-8f1577f5d28f
Yes, Expedia has a 24-hour cancellation policy that allows you to receive a full refund