Passengers can follow the steps below to exchange tickets on the Vietnam Airlines website:

Step 1: Passengers go to and click "Manage Booking"; enter the Reservation Code (PNR) and Last Name and click "Search"; then select "Add Service".

Step 2: At “Manage Booking”, passengers scroll to “Post-sales help” and select “Exchange flights”.

Step 3: Check the flight information of the purchased ticket and select “Exchange Flight”.

Step 4: On the “Select and Exchange flight” screen, select the flight to exchange and click “Search”.

Step 5: In the search new flight(s) screen, click on a new flight and ticket class as desired, then select “Confirm and Continue”.

Step 6: Proceed to pay for the difference (if applicable).

After paying the difference, Vietnam Airlines will send a ticket exchange confirmation and a receipt to the email address registered when purchasing the ticket. If passengers do not receive a confirmation email from Vietnam Airlines within one hour of the successful exchange, please contact the online ticket help desk via telephone number at (84) 19001100, send an email to, or contact Vietnam Airlines’ sales offices for assistance.