Ping has been spiking to 1.5k+ constantly over the past few days
Why?
Why?
I have been as well. Making me very sad.
Weekend + New Game Mode usually sees a spike increase.
I would HIGHLY recommend going to the "Support" link up above and reading Riot's guide to improving your flow. Advice like disabling Superfetch, adjusting my graphic settings, and regularly running CCleaner has fixed 99% of my lag related issues with no noticeable drop in graphical quality.