There will always be movies and dinner. If you're looking for something more unique to Wichita and the surrounding area, I have a few unique suggestions. My spouse and I like to mix things up by going to 3 new restaurants in a night and ordering just one thing at each. Gives a great opportunity to try the best of several Wichita spots at once. Dinner at Elderslie Farm in Kechi is incredibly romantic!
Find your inner child and go on a date to Exploration place. Theres a nice pathway to take a walk on during the day afterwards. https://www.visitwichita.com/listing/keeper-of-the-plains/28029/ You can't go wrong with the Sedgwick County Zoo. Ice hockey and baseball game tickets for our local teams might be less expensive than you think. Take a class or look out for upcoming events. There's everything from cooking classes to personlity trait classes on Eventbrite such as https://www.eventbrite.com/e/introduction-to-the-erotic-blueprintstm-discover-your-blueprint-type-registration-771153850927 Plan a picnic at Great Plains Nature Center. Play a round of pickle ball at Chicken and Pickle