The user can upgrade the seat in the airlines by using this method.
Visit the official website of Southwest Airlines and navigate to the check-in section.
Provide the Confirmation Number, First Name and the Last Name.
Click on the Check-In button to open the check-in page.
Click on the Southwest Seat Upgrade option and follow the on-page instructions.
Pay for the upgrade of the seat and save the changes.
The user can only get the desired upgrade in the seat of the Southwest flight if they are available for the user.
The user can upgrade the reservation by providing the airlines with an amount of $30, $40 or $50 (depends upon the flight reservation and the itinerary).
The user can also ask about the availability of the upgrade from the customer service agent’s or the ticket center of the airlines.
The user can also complete the seat upgrade process by using the mobile app of Southwest airlines with this process.
Start the mobile application of Southwest airlines.
Tap on 3-vertically aligned lines and in the flight section, tap on Look Up Reservations.
Enter the confirmation number, First Name and Last name of the user.
Select the RETRIEVE RESERVATION option and select the seat upgrade option.
The user can also be required to pay for the seat upgrade process. The user can complete the Southwest Airlines seat upgrade by contacting the customer service of the airlines to remove any issue regarding the seat upgrade process.