If you need to change your flight, you can do so easily. You only need to cover the difference in price and the corresponding fee.
Consider adding this combo during your purchase, since it includes itinerary and/or name changes without additional fees (paying only the difference in price).
Select the flights you want to change.
Choose the origin, destination, and desired date.
Select your new flights.
Add the additional services you require.
Complete your payment and enjoy your new trip!