Ravelry: Pattern Search
Looks like easy knitting. Especially when not having sock needles around.
Remember these??? Grandmother's Slippers: free knitting pattern. My great aunt used to make me a pair every year for Christmas.
Basic slipper in easy garter stitch and warm chunky-weight yarn
Knitted Slippers Pattern You'll Love These Cute Ideas | The WHOot
Sock-slippers or whatever they are these look like the right thing for icy feet
Free pattern for non-felted slippers
Grandma's Knitted Slippers - Learn how to knit slippers with one of our most popular free knitting patterns.
Knitted slippers: I love the chunky yarn and the big button. Nice and easy, very, very pretty.
Jingle Bell Knitted Elf Slippers | AllFreeKnitting.com