[WheelsAtLarge]

I tried this one a while back. It's hard to beat. I liked it. I've been thinking of dumping my smartphone for it as a way to reduce my phone use.

TCL Alcatel My Flip 2 T408DL Tracfone

https://www.hsn.com/products/tcl-alcatel-my-flip-2-t408dl-tr...

It has a browser plus text messaging for 2FA. I doubt you'll find a cheap flip phone with a 2FA app.