Get the latest May 2026 Xfinity promo codes, exclusive bundle perks, and a 5-year price guarantee to slash your monthly bills.

The full breakdown for new subscribers using the 15OFF code at checkout looks like this: 5GB at $10/month ($30 upfront), 15GB at $15/month ($45 upfront), 20GB at $20/month ($60 upfront), and Unlimited ...