Apple iPhone 15 Deals - March 2026
Compare 751 contract deals, 261 upgrade deals and 29 SIM-free offers for the Apple iPhone 15 from UK retailers.
The best Apple iPhone 15 contract deal starts from £23.99/month with Mobiles.co.uk.
Over 24 months, the cheapest contract totals £584.76. Buying SIM-free at £359.99 plus a comparable SIM-only deal (~£8.00/mo for 15GB) totals £551.99 — making the SIM-free route £32.77 cheaper overall.
Buy the Apple iPhone 15 SIM-free from £359.99 at The Big Phone Store.
123 deals include a free gift — available gifts include Apple Watch Series SE 3 40mm (GPS) Midnight Aluminium Case with Midnight Sport Band - S/M, Apple Wireless AirPods 4 and Belkin BoostCharge Pro Magsafe 3-in-1 Wireless Charging Pad (Black).
About the Apple iPhone 15
The Apple iPhone 15 remains a smart buy for anyone who wants a modern iPhone experience without chasing the latest model. It brought several features that were previously exclusive to the Pro line, most notably the Dynamic Island, which replaced the notch for a more interactive and visually appealing notification system. The 48MP main camera was a major leap from the 12MP sensor on the iPhone 14, delivering sharper photos with a 2x telephoto crop mode for closer shots. Under the hood, the A16 Bionic chip handles everyday tasks, gaming, and multitasking with ease, though it does not support Apple Intelligence features that require the newer A17 Pro or A18 chips. The switch to USB-C marked the end of Lightning, bringing universal charging compatibility and simpler cable management. With a 6.1-inch Super Retina XDR OLED display hitting 2,000 nits peak brightness and reliable all-day battery life, the iPhone 15 delivers a refined, capable experience. Now available at reduced prices since the iPhone 16 launch, it offers outstanding value for buyers who prioritise proven performance over cutting-edge AI features.