A:AnswerThey never expire, but Southwest only allows THREE forms of payment in one transaction. If you have multiple cards, the best way to use them is by breaking your trip into two one-way flights, hence, two transactions.
A:AnswerI have no idea if it would work if it was an actual card. This is delivered via email. It is a digital gift Card. So I doubt it will work since you would need an actual card for them to scan to make purchases on a flight. I have only used these to actually buy my flights.
