I love traveling, but I’ve never done it on my own and I’m a little chicken to do so. I’m single, and all of my best friends either have kids or too many other responsibilities to go on trips with me.

Solo travel is increasing, with many individuals planning multiple trips this year. Group trips designed for solo travelers offer opportunities to connect with others while exploring new destinations.

Doing anything alone can be daunting. Throw in airport anxiety, long flights, language barriers, and completely unfamiliar cities, and kicking it solo may feel insurmountable. For many young women, ...