Filament deals
Cheapest large filament spools in the UK
6 large spools of filament (2 kg or more) in stock on Amazon UK and Eryone UK, cheapest per kilogram first.
- filaments
- 6
- cheapest
- £9.69/kg
Live prices
Prices checked 5 Oct, 03:02 – 6 Oct, 07:20 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.
About large filament spools
Spools of 2 kg, 3 kg and 5 kg mean fewer spool changes on long prints, and usually a lower price per kilogram than 1 kg spools of the same filament.
Check that a large spool fits your printer's spool holder before you buy: a bigger spool may need a separate holder.
Common questions
What is the cheapest filament on large spools right now?
Right now it is OVERTURE Matte PLA 3D Printer Filament 1.75mm, 2KG Bundle Matte Filament PLA, 2 Pack 1kg(2.2lbs) Cardboard Spool, High Precision ±0.02mm (Matte Black*2) at £19.37 (£9.69 per kg) on Amazon UK (as of 6 Oct 2026). This page lists the cheapest per kilogram first, and prices are re-checked through the day.
Which materials does filament on large spools come in?
In stock on Amazon UK and Eryone UK right now: PLA Matte (2), PLA+ (2), PETG (1) and PLA Matte Rainbow (1).
Is a big spool of filament worth it?
If you print a lot in one colour, usually: per kilogram it's often cheaper than 1 kg spools, with fewer changes mid-print. If you switch colours often, smaller spools leave less sitting unused.
How SpoolDeal checks prices
The same rules on every page, so a deal badge means the same thing everywhere.
Re-checked through the day
Every tracked listing on Amazon UK and Eryone UK is re-checked through the day, and the most-watched ones every two hours.
Measured against our own history
A deal only counts when the price is below what that reel has actually sold for over the last 90 days, not a seller's “was” price.
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