This question is also for the snake plant as well. And what would be the best way to combat outdoor pests for these two plants?
Can in-House Spider Plant Become Outdoor
Certified GKH Gardening Expert
You can move the plants outside, but they need to be acclimated. This article will help with that: https://www.gardeningknowhow.com/houseplants/hpgen/move-houseplant-outside.htm
We would recommend that you keep them out of direct light and keep them well watered. They will need to come back in once the temps go below 55 F.