After a grand reveal in the latest Galaxy Unpacked event, preorders for the brand-new Samsung Galaxy Z Flip 8 and Galaxy Z Fold 8 are now live. Retailers and mobile networks have several launch deals available for those interested in picking up a device on August 7, so I've had a look through and picked out the best options.One of the standout deals in the US is at the official Samsung store, where you can get savings of up to $1,200 with a trade-in, as well as an extra $30 off if you registered your interest ahead of Unpacked. As for the networks, you can get even larger discounts of up to $1,900 at T-Mobile when you add an eligible line, or get a Galaxy Z Fold 8 for as little as $30 a month at Verizon.In the UK, the Samsung store is also a strong option, as you can get an extra £100 off with a trade-in, and use the £30 voucher from registering your interest to save on accessories. Meanwhile, networks such as Sky Mobile are offering their own large trade-in rebates of up to £934, plus a free Samsung Galaxy Watch 9 with the latest handsets.I'll update this list with all the best Samsung Galaxy Z Flip 8 and Galaxy Z Fold 8 preorders as I spot them over the coming days, so hopefully there will be a combination of phone and plan that suits you.Samsung Galaxy Z Flip 8 and Z Fold 8 deals in the USSamsung Galaxy Z Flip 8 / Fold 8: up to $1,200 off with a trade-in or $200 off withoutSamsung's offer on its new Flip and Fold range include trade-in rebates of up to $1,200 for the Fold 8 and up to $600 for the Flip 8. Don't have a phone to hand over? You can get a flat $200 in Samsung credit when buying the Fold 8 or $150 with the Flip 8. There are also bundle discounts of up to 15% when buying other accessories or the opportunity to get an extra $100 off with PayPal.View DealSamsung Galaxy Z Flip 8 / Fold 8: up to $1,900 off the Galaxy Fold 8 Ultra with a trade-in and qualifying lineT-Mobile's launch offer for the new Samsung Galaxy Z Flip 8 and Fold 8 includes a saving of up to $1,900 on the Fold 8 Ultra when you trade in — that will effectively bring the price of the device down to $100. You will need to add a qualifying line to your account at the same time, such as the Experience Beyond plan.View DealSamsung Galaxy Z Flip 8 / Fold 8: get a Galaxy Z Fold 8 for $30 a monthThe standout launch deal at Verizon is the Samsung Galaxy Z Fold 8 for $30 a month on a 48-month contract — and that's with no trade-in required, either. If you are looking to upgrade, you can get up to $1,100 off with a trade-in, and even add a Galaxy Watch 9 or Galaxy Tab S10 FE for free when you buy a new phone or upgrade.View DealSamsung Galaxy Z Flip 8 / Fold 8: LINKWORDSView DealSamsung Galaxy Z Flip 8 / Fold 8: LINKWORDSView DealSamsung Galaxy Z Flip 8 and Z Fold 8 deals in the UKSamsung Galaxy Z Flip 8 / Fold 8: up to £752 off with a trade-in, and an extra £100 off with the code 'Z8'The launch offer for the Galaxy Z Flip 8 and Fold 8 range at the official Samsung store includes a discount of up to £752 when you trade-in and an extra £100 saving when you use the code 'Z8' at the checkout. Contract options are also available from £18 per month and from £649 upfront. Finally, six months of Google AI Pro are included with all handsets.View DealSamsung Galaxy Z Flip 8 / Fold 8: LINKWORDSView DealSamsung Galaxy Z Flip 8 / Fold 8: trade-in to save up to £1,750Vodafone's is offering its biggest ever trade-in deal for the Samsung Galaxy Z Fold 8 and Fold 8 Ultra, with savings of up to £1,750 when trading in an eligible device. You can also get up to £1,280 off the Galaxy Z Flip 8 with a trade-in. Unlimited data contracts then start from £25.67 per month and from £40 upfront.View DealSamsung Galaxy Z Flip 8 / Fold 8: LINKWORDSView DealSamsung Galaxy Z Flip 8 / Fold 8: save up to £1,678 with a trade-in and get unlimited dataThree's trade-in offer for the Samsung Galaxy Z Flip 8 and Fold 8 includes a discount of up to £1,678 when you hand in an eligible device. You can also get a pre-order bundle featuring the Samsung Galaxy Watch 9 and a Samsung OEM Mag Case for £270, or the Galaxy Buds 4 Pro and a Clear Mag Case for £153 — that's a saving of up to £124.View DealSamsung Galaxy Z Flip 8 / Fold 8: up to £946 off with a trade-in, plus free Galaxy Watch 9Over at Sky Mobile, you can save up to £946 on the Samsung Galaxy Z Flip 8, Fold 8, and Fold 8 Ultra when you trade in your existing handset. Contract prices with a handset start at £38 per month and £12 upfront for 256GB of data. As a bonus, every Galaxy Z Flip 8 preorder includes a free Galaxy Watch 9 (40mm) worth £349, while a Galaxy Z Fold 8 preorder comes with a free Galaxy Watch 9 (44mm) worth £379.View Deal