The cheapest iPhone available depends on whether you are looking to buy a new or used device. If you are looking to buy a new iPhone, the iPhone SE (2022) is the cheapest iPhone available at $429 for the 64 GB model. It features Apples latest A15 Bionic chip, 5G connectivity, and wireless charging capabilities. However, if you are looking to save even more money, you can buy a refurbished or renewed iPhone for less than $300. These options include the iPhone X, iPhone XR, iPhone SE, and more models.

If you are willing to consider older models, the iPhone SE (2020) is another budget-friendly option at $399 upfront. The iPhone 12 mini is also a good option at around $428 from some carriers.

Its worth noting that prices may vary depending on where you buy the iPhone and the storage capacity you choose. Additionally, some carriers offer deals and discounts on iPhones, so its worth checking with your carrier to see if they have any promotions available.