Best Smartphone Under 300 Deals Online in the UK (10 Deals Found)

Last Updated - 02/05/2026 Sort By:

Best Choice
XIAOMI

New
XIAOMI Redmi Note 15, Smartphone 6+128 GB, Massive 6000mAh Battery, Water Resistance, 108MP Super-clear Camera, 6.77" FH
【Power】Massive 6000mAh battery

£139.00 £179.00
Best Value
DOOGEE

New
DOOGEE Note 58 Pro Mobile Phones, Newest Android 16 Smartphone, 6250mAh& 32(8+24) GB+256GB/2TB, 6.75" HD+ 90Hz Display,
【 2026 Latest Android 16 & Octa Core】: The DOOGEE Note 58 Pro smartphone operates on the latest Android 16 system, deliv

£119.99 £189.99
Google

Used
Google Pixel 9a – Unlocked Android Smartphone with AI Camera, All-day Battery and Powerful Security – Obsidian, 128GB
Take the picture. And be in it too. Add Me makes sure no one is left out of a photo. Take one with the group, then swap

£317.16
Generic

New
Global Unlocked New Android 3G Smartphone 5.2" Cellphone Dual SIM - Entry-Level Phone for Calls & Light Apps
Entry-Level Smartphone for Basic Use Designed for calls, SMS, WhatsApp (basic use), and light apps only. Not suitable fo

£39.99
Google

New
Google Pixel 8a – Unlocked Android smartphone with advanced Pixel Camera, 24-hour battery and powerful security – Obsidi
The Pixel Camera takes amazing photos and videos, every time. With Google AI, you can create perfect group shots and fix

£309.00
Google

Used
Google Pixel 8a – Unlocked Android smartphone with advanced Pixel Camera, 24-hour battery and powerful security – Obsidi
The Pixel Camera takes amazing photos and videos, every time. With Google AI, you can create perfect group shots and fix

£275.37
Blackview

New
Blackview SHARK 6 Smart Phone, 5G Sim-Free & Unlocked Mobile Phones, 6.88" 120Hz Display, 12GB+128GB/2TB, Android 15 Pho
【❗ ❗ ❗ Network Compatibility】With dual SIM (Nano-SIM + Nano-SIM/MicroSD) support, this unlocked phone works seamlessly w

£115.99
18% Off
Samsung

New
Samsung Galaxy A17 4G, AI Smartphone, Slim 7.5mm Frame, Large Screen Unlocked Phone, 50MP Camera, 128GB Storage, 4GB Mem
Talk with Gemini about anything you see: Start a conversation with Gemini on your mobile phone, and when words aren't en

£139.00 £169.00
25% Off
Samsung

New
Samsung Galaxy A36 5G Smartphone, Awesome Intelligence, 8GB RAM, 256GB Storage, 50MP Camera, Awesome Lavender, 3 Year Sa
Awesome Intelligence: Easily circle text or objects to get search results with Circle to Search, Filters creates unique

£299.00 £399.00
36% Off
DOOGEE

New
DOOGEE Note 56 Mobile Phones, Newest Android 16 Smartphone, 6150mAh, 8.45mm Ultra-Slim, 6.56" HD+ 90Hz, 24GB + 64GB/2TB
【Latest Android 16 System Smartphone】🌈The mobile phones DOOGEE Note 56 runs the cutting - edge android 16 system, offer

£69.96 £109.99

10 Best Smartphone Under 300 deals are available from: Amazon stores, starting from £39.99.
The biggest discount we found is 37% on DOOGEE Note 58 Pro Mobile Phones, Newest Android 16 Smartphone, 6250mAh& 32(8+24) GB+256GB/2TB, 6.75" HD+ 90Hz Display, 4G Dual SIM Free Unlocked Phones, Widevine L1, Fingerprint/Face ID/OTG/GPS/NFC at Amazon.
The lowest price we found is £39.99 while the highest is £317.16.
Prices for the best Best Smartphone Under 300 deals average at £182.45.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Best Smartphone Under 300.