The easiest and fastest way to make Iberia reservations is the online process provided on the airline's website. You can make reservations through the online process to save time and money. To book a flight online, first click on the airline website, and then select the option to book a flight. Under the booking option, you will get the booking page and fill in all the required details. Start with the destination and then the date of travel. Specify your flight location and exact date. You can also mention the flight payment method. You can choose cash, credit card or mileage payment method. If you have some discounts on the flight, you can also use any discount coupons. You can also choose Iberia flight seats and travel comfortably. For more flight specifications, please check the other services section. After filling in all other details, you can click on the search option and then select a flight from the list. Make payment and confirm your flight booking, then you are done.