Understanding How to book china airlines with miles is easier than you think. Once you have logged into your reward program, such as Flying Blue or Dynasty Flyer, proceed to the mileage redemption page. When you enter the desired itinerary the system will provide flights that are eligible for mileage redemption. Select the flight of your choice make sure you have the necessary miles, and finish the reservation. There may be a small extra tax charge for certain itineraries. Through this fulfilling procedure, you can experience China Airlines outstanding service and benefit from the miles you have accrued.