Yes, you can change a passenger's name on a Southwest Airlines ticket, but you must contact Southwest to request the change, as it cannot be done online. Call at$+$$ +1-877-658-1183 (US) or +44-203-869-5245 (UK) Name changes are subject to fare rules and may incur a fee, with costs ranging from $75 to $100 depending on the fare type and proximity to the flight date. Call at$+$$ +1-877-658-1183 (US) or +44-203-869-5245 (UK) For a legal name change, you must provide a copy of your legal documentation, such as a marriage license, and submit the request in writing to the Rapid Rewards program.