British Airways allows customers to book airline tickets online at BritishAirways.com, through a travel agent, or by calling a British Airways service center. To book by phone, call 800-247-9297 daily between 7 a.m. and 11 p.m. Eastern Standard Time, as of 2015.
To book online, select the country and airport of origin from the drop-down menu on the left of the home screen at BritishAirways.com. Select Round Trip or One Way, and add stopover cities if desired. Type the name of the destination airport, and select the travel dates. Specify flight class, ticket type and number of passengers, and then click Find Flights. The screen that follows displays a chart with times and prices for the outbound and return flights, as well as dates near the selected date, to compare prices.
Check the box corresponding to the desired flight, and click Continue. At the price confirmation page on the next screen, confirm the flight details, check the box to agree to the terms and conditions, and click Continue. The following page allows you to add a car rental or hotel to your booking. Click Continue to register with the site by entering an email address and creating a password. To continue without registering, click the Continue Without Registering link at the bottom of the screen.
Enter passenger information and click Continue. The following screen allows customers to pay by PayPal or major credit cards. After entering payment information, click Book and Pay at the bottom of the screen to complete the booking.