The following is a step-by-step guide to booking Alaska Airlines online:

* First, go to Alaska Airlines' official website,
* After browsing the website's homepage, you must sign in to your account. Click the sign in button to access your account.

* After logging in to your account, select "Book a Ticket" from the drop-down menu.
* This will lead you to a page where you may purchase tickets. You can look for flights based on your preferences, such as your starting point, destination, and trip date. All flights that meet your search criteria will be displayed, along with their prices.
* After you've finalised a flight, you'll be prompted to enter the information for all of the passengers who will be travelling on it.

* After you've completed all of the steps, you'll be directed to the payment page, where you can pay with your credit card or debit card.
*  You will receive notified that your ticket has been reserved after your payment has been processed. Details about the ticket will be emailed to your registered email address as well.

Thus, to book a Alaska Airlines ticket online using website, follow the steps outlined above.

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