The tablet is available in the UK via Amazon.co.uk for £229 (16GB) or £259 (32GB). Previously, UK users were only able to buy the 7" version of the machine.
"Kindle Fire HD is already the best-selling product on Amazon worldwide since launch, and we're thrilled to make the large-screen version of our best-selling tablet available starting today," said vice president of Kindle at Amazon EU Jorrit Van der Meulen.
"We think customers are going to love web browsing, e-mail, gaming, watching TV shows, reading magazines, and more on the large, stunning HD screen, with fast Wi-Fi and exceptional audio."
The tablet will also be available from high street retailers including John Lewis, Tesco and Waterstones.
Features of the Kindle Fire HD 8.9" include dual stereo speakers with Dolby Digital Plus audio, a 1920x1200 resolution display at 254 ppi, dual antenna, dual-band Wi-Fi with MIMO technology and a front-facing HD camera.
The tablet is powered by a TI OMAP 4470 processor and Imagination SGX544 graphics engine and has a reported 10-hour battery life.
The price in the US has dropped to $269 (£180) for the Wi-Fi only version and $399 (£270) for the Wi-Fi and LTE version.
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