Diet Coke Price at Chick-fil-A (2026)
A Diet Coke at Chick-fil-A in United Kingdom is priced at £3.19 as of October 2026.
A Diet Coke® at Chick-fil-A costs £3.19 in the United Kingdom as of October 2026. That's about 6% below the typical Chick-fil-A drink item — the 1st-cheapest of 4 we track. Prices are sourced from delivery platforms and refreshed regularly. Check the full Chick-fil-A menu or compare drink prices on MenuPriceToday.
How this compares in Drinks
4 items tracked| This item | £3.19 |
| Drinks median | £3.39 |
| Cheapest — Coca-Cola® | £3.19 |
| Most expensive — Chick-fil-A® Lemonade | £3.59 |
| vs Drinks median | −6% |
Compare Chick Fil A prices across 20+ countries — Fast-Food Price Index →