Usuallyfew days before the flight should ok (else probably they asked you also a visa linked to new passport). For travel there are always exceptions, but probably you know then if the flight is "special" (e.g. using military bases on scientific mission or just because it is the only way to reach such place). Save You can book and pay for as many flights in as many names as you like. The question is how much refund will you get for the tickets you are not using. There is absolutely nothing illegal with booking multiple tickets. Report inappropriate content. Howto cancel a Southwest flight. If you booked your flight directly through Southwest, you can easily cancel your flight online. Even if you booked a round-trip itinerary, you can cancel just one direction if needed. Within your account, Southwest displays all your upcoming reservations. To cancel your flight, click the "Cancel flight" link Departmentstore: Buy a sweater right before Christmas and you may be $100, but if you purchase it in July, you may cost only $30. Lemonade stand: An ambitious kid might charge $3 for a tall cool glass in August, but if the stand is still open in October, you can bet the price will be a lot lower. at 22:02. Yes, the woman in question had paid for two full seats, in advance, but was refused the second seat. But +1 for the research. - Mikey. Jul 6, 2016 at 2:07. 2. The key is the first bullet. Each passenger who pays a fare is entitled to a seat, if seats are available. A passenger who pays two fares is therefore not Yes you can buy plane tickets at some airports although it is often not a good idea because ticket prices may surge for last minute flights. You may also have additional challenges that I'll talk about below. Tip: Use the free app WalletFlo to help you travel the world for free by finding the best travel credit cards and promotions! Almostnever. While airline customer services will usually assist you in correcting the name for the original passenger, hardly any allow you to change it to a whole new traveler. Delta, United Ifyou buy a new ticket, you'll be responsible for any price differences for the new fare. If you want to fly on an earlier flight going to the same destination, you can get on a standby ejXL.