This is the cheapest OLED TV you can buy – LG's 48-inch B4 drops to $549.99 for Memorial Day

LG B4 TV on a blue background with "Don't Miss" text in white
(Image credit: LG)

Best Buy's Memorial Day sale is live, and it includes incredible deals on best-rated TVs. In fact, the retailer has the cheapest OLED TV you can buy: LG's 48-inch B4 for only $549.99 (originally $1,499.99).

Shop Best Buy's full Memorial Day sale

That's not only an incredible deal for a highly rated OLED display but also just $50 shy of the record-low price we briefly saw earlier this year.

The LG B4 was released in 2024 and is ranked in our best TV guide as the best cheap OLED on the market. The budget display packs LG's latest Alpha 8 AI processor, which uses AI to detect what you're watching to improve picture and sound quality.

Thanks to its self-lit OLED pixels, coupled with Dolby Vision and Dolby Atmos, you get a brilliant picture with bold colors and deep contrasts. You also get excellent gaming features, including four HDMI 2.1 ports and a 120Hz refresh rate, plus webOS 24 for easy access to all your favorite streaming channels.

Today's deal on LG's B4 OLED is a fantastic way to get a premium OLED display into your home, without breaking the bank. I've listed more of today's best Memorial Day TV sales further down the page, which include record-low prices from your favorite retailers.

Memorial Day TV deal: LG's 48-inch B4 OLED

LG 48-inch Class B4 Series OLED 4K UHD TV
LG 48-inch Class B4 Series OLED 4K UHD TV: was $1,499.99 now $549.99 at Best Buy

LG's 48-inch B4 is the cheapest OLED TV you can buy, thanks to Best Buy's Memorial Day sale. Ranked in our best TV list as the best cheap OLED TV, the LG B4 delivers a premium picture experience thanks to its self-lit OLED pixels and Dolby Vision, which enhances color and contrast beyond what the average backlit TV can do. Its built-in gaming features and 120Hz refresh rate make it an unbeatable deal for gamers looking to upgrade.

Shop more of today's best Memorial Day TV deals

Samsung 43-inch The Frame QLED TV (2024)
Samsung 43-inch The Frame QLED TV (2024): was $999.99 now $699.99 at Best Buy

If you've been eyeing Samsung's gorgeous The Frame QLED TV, Best Buy has the 43-inch model on sale for a stunning price of just $699.99. The 2024 Samsung Frame TV features Pantone art-validated colors that deliver lifelike images. The display now comes with Streams, a complimentary set of artwork streamed from the Samsung Art Store.

Samsung 55-inch DU7200 4K TV
Samsung 55-inch DU7200 4K TV: was $379.99 now $349.99 at Samsung

Samsung's DU7200 Series is so popular that most sizes are sold out, but the 55-inch model is available for only $349.99 at Samsung's Memorial Day sale. The entry-level TV from Samsung packs a solid 'Crystal' UHD 4K processor, an easy-to-use Tizen operating system, and full HDR support for under $400.

Samsung 55-inch Q60D 4K QLED TV
Samsung 55-inch Q60D 4K QLED TV: was $999.90 now $529.99 at Samsung

Thanks to its premium features and affordable price tag, Samsung's Q60D QLED TV has been a popular model here at TechRadar. The Q60D features 4K and Quantum HDR Smart technology with Motion Xcelerator, resulting in bright colors and realistic images. Its slim design also means it looks great in any living room. You can find the 55-inch model on sale for its lowest price ever.

Samsung S90C 55-inch OLED TV
Samsung S90C 55-inch OLED TV: was $2,499 now $979 at Walmart

The Samsung S90C OLED was last year's best-rated TV, and the 55-inch model is on sale for $979 - an incredible price. Our Samsung S90C review awarded this TV five stars, praising its gorgeous picture, extensive gaming features, super slim design, and reasonable price, especially with today's $1,500+ price cut.

LG  C3 65-inch OLED TV (2023)
LG C3 65-inch OLED TV (2023): was $2,499.99 now $1,196.99 at Amazon

LG's 65-inch C3 OLED TV is on sale for an incredible price of $1,196.99 ahead of Memorial Day. That's a whopping $1,300 discount and a record-low price. The stunning OLED display features a brilliant picture with bright colors and powerful contrast, thanks to LG's latest Alpha9 Gen6 chip. Plus, you're getting four HDMI 2.1 ports for the best gaming experience on next-gen consoles, a sleek, thin design, and an updated webOS experience.

LG  65-inch C4 OLED 4K TV
LG 65-inch C4 OLED 4K TV: was $2,699.99 now $1,296.99 at Amazon

Thanks to Amazon's Memorial Day sale, you can now get LG's 65-inch C4 OLED TV for $1,296.99. That's a $1,400 discount and a new record-low price. Ranked number one in our best TV guide, the 2024 C4 features exceptional brightness, LG's latest Alpha 9 AI chip for improved performance, and impressive gaming features, including four HDMI 2.1 ports with 4K 120Hz, VRR, and ALLM support and 144Hz certification from Nvidia.

Samsung 65-inch S90D OLED TV
Samsung 65-inch S90D OLED TV: was $2,699.99 now $1,299.99 at Samsung

Samsung's Memorial Day sale has the 65-inch S90D OLED TV down to a great low price of $1,299.99. The 2024 OLED display delivers an exceptional picture with deep blacks, bright colors, and Pantone-validated colors. You're also getting Motion Xcelerator 144Hz for a smooth gaming experience and Dolby Atmos and Object Tracking Sound Lite for premium sound.

Insignia 70-inch F50 Series HD 4K Smart Fire TV
Insignia 70-inch F50 Series HD 4K Smart Fire TV : was $499.99 now $369.99 at Best Buy

If you're shopping for a big-screen budget TV, this Insignia 70-inch display is an incredible deal at only $369.99. The Insignia F50 Series TV features 4K HD resolution, DTS Studio Sound, smart capabilities with the Fire operating system, and a voice remote with hands-free Alexa, so you can use your voice to control your TV.

LG UT75 75-inch 4K Smart TV
LG UT75 75-inch 4K Smart TV: was $699.99 now $499.99 at Best Buy

LG's best-selling UT75 4K TV delivers a premium picture experience with brilliant colors thanks to LG's α5 Gen7 AI processor and WebOS 24 for seamless streaming. Gamers will also love the game optimizer and dashboard with GeForce NOW, which allows you to see and adjust all your settings in one place. Today's deal brings the 75-inch model down to only $499.99 - a record-low price.

Hisense  U6N 75-inch Mini-LED TV
Hisense U6N 75-inch Mini-LED TV: was $699.99 now $599.99 at Best Buy

The Hisense U6N Mini-LED TV is a great budget pick for anyone looking to upgrade their living room with a bigger screen or with the improved picture quality that mini LEDs offer. It features full array local dimming, which can precisely tune color and contrast to the image on the screen, and further refines details with AI upscaling. While it might not be the best gaming TV out there, it also does a decent job with Game Mode Plus and the features it offers like VRR, Auto Low Latency Mode, and AMD Freesync. You can get the Hisense U6N in various sizes, but this deal specifically applies to the 75-inch one.

Samsung 77-inch S95D OLED 4K TV
Samsung 77-inch S95D OLED 4K TV: was $4,599.99 now $2,499.99 at Samsung

Our Samsung S95D review claimed that this stunning display is 'the very pinnacle of OLED TV', and it's easy to see why. Excellent picture quality, top-notch gaming performance, and a beautiful design combine to offer one of the best OLED TVs you can buy right now. While expensive, it's worth every penny with its 144Hz refresh rate and innovative new anti-glare and reflection technology. Today's Memorial Day deal brings the 77-inch model down to $2,499.99, thanks to a whopping $2,100 discount.

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Mackenzie Frazier

Mackenzie Frazier is the deals editor in the US for TechRadar at Future plc. She's been sharing deal advice for Future for the past six years and loves finding products that consumers want at the best possible price. She's had 11 years of experience working in e-commerce and loves being a mom to her two little boys.

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