Diet Coke Price at McDonald's (2026) — Pennsylvania
A Diet Coke costs $2.29 at McDonald's in Pennsylvania, United States (updated July 2026).
Based on the latest tracked prices, the Diet Coke® from McDonald's costs $2.29 in the United States (July 2026). That's about 30% below the average McDonald's drink item — the 2nd-cheapest of 12 we track. It's available at around 472 McDonald's locations across the United States. Prices are sourced from delivery platforms and refreshed regularly. Set a free alert to know the moment this price changes on MenuPriceToday.
Frequently asked questions
How much does Diet Coke cost at Mcdonalds in United States?
Diet Coke costs $2.29 at Mcdonalds in United States as of July 2026. Prices are sourced from Uber Eats and updated regularly on MenuPriceToday.
Where can I order Diet Coke in United States?
You can order Diet Coke from Mcdonalds via Uber Eats in United States. Compare prices on MenuPriceToday first so you never overpay.
How often are Mcdonalds prices updated?
We refresh Mcdonalds menu prices regularly from delivery platforms, so the Diet Coke price you see reflects the latest available data.