Hacker Fares allow you to Mix a single-way tickets on different airlines when it could help you save revenue in excess of a standard return ticket. All People excess charges can definitely increase up, but there's no motive to pay them if you don't have to. Here are several ideas https://johnnymfwmb.goabroadblog.com/31906748/cheap-flights-things-to-know-before-you-buy