How To Change WestJet Flight Westjet has made it easy for you to change your booking. All you have to do is go to the official Westjet website. You will then be able to make the appropriate changes using the 'Manage Order' option. You can do the following on the Westjet official website. Soon you will be able to make changes successfully. Steps to change WestJet flight date online Go to the official Westjet website. https://www.westjet.com/en-us Now select the "Manage order" option. After doing so, enter the name of the passenger and the reservation code. Now select the "Search" option. You will see the order on the new page. Open the booking and select the "Change flight" button. Choose the flight that suits you best. You will receive a confirmation email after making the changes. email with your registered email. Email address. Be sure to track the replacement Westjet flight within 24 hours. This will save you a replacement fee.