I used an airline hack to turn a layover into a mini trip to Iceland. It was worth the short detour — and saved me money.

Icelandair's stopover program lets travelers between North America and Europe add a multi-day visit to Iceland without extra airfare, enabling a mini-vacation during layovers. The author used this to explore Iceland for four days, enjoying local sights and culture while saving on flight costs, though expenses like lodging were not covered.