Best Child Seats Deals Online in the UK (10 Deals Found)

Last Updated - 16/08/2026 Sort By:

Best Choice
Graco

New
Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 year
R129 highback booster car seat - Suitable from 100-150cm (3.5 to approx. 12 years)

£35.00 £40.00
Kinderkraft

New
Kinderkraft Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Inf
FUNCTIONAL: The car seat is suitable for children from 76 cm to 150 cm tall (approximately 15 months to 12 years or 9-36

£58.99
11% Off
My Babiie

New
My Babiie MBCSB10 Booster Car Seat - Lightweight at 1kg, Approx. 6-12 Years (125-150cm, 22-36kg), R129, i-Size Backless
CHILD CAR BOOSTER SEAT: The My Babiie basic backless booster is suitable from 125-150cm (approx. 6-12 years, 22-36kg, Gr

£15.99 £17.95
12% Off
Kinderkraft

New
Kinderkraft Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Inf
FUNCTIONAL: The car seat is suitable for children from 76 cm to 150 cm tall (approximately 15 months to 12 years or 9-36

£52.90 £59.90
Best Value
Kinderkraft

New
Kinderkraft I-Comfy, Car seat, for Kids, Regulations (76-150cm), Adjustible backcrest, 5-Point Safety Harness, Easy Grow
CAR SEAT 76–150 CM (approx. 15 months – 12 years) – i-Size (R129) compliant, forward-facing only, adjustable to your chi

£42.90 £49.90
My Babiie

New
My Babiie MBCS75 Toddler to Booster R129 Child Car Seat - ISOFIX with Top Tether, Harness, 76-150cm (Approx. 9-36kg, 15
TODDLER & CHILD CAR SEAT: The MBCS75 grows with your child from 76–150cm (from appoximately 9-36kg, 15 months to 12 year

£59.95
Maxi-Cosi

New
Maxi-Cosi Tanza i-Size, High Back Booster Seat, 3.5–12 years, 100–150cm, Compact Foldable Car Seat, 10 Headrest Position
GROUP 2/3 CAR SEAT: the multi-age forward-facing car seat effortlessly combines comfort, safety, and convenience on the

£79.99
My Babiie

New
My Babiie MBCS50 Toddler to Booster R129 Child Car Seat - 5-Point Harness, 76-150cm (Approx. 9-36kg, 15 Months - 12 Year
TODDLER & CHILD CAR SEAT: The MBCS50 grows with your child from 76–150cm (from appoximately 9-36kg, 15 months to 12 year

£49.99
COZY N SAFE

New
Cozy N Safe Logan Car Seat Group 1/2/3 9-36kg, 5 Point Harness, Forward Facing High Back Booster, Side Impact Protection
Group 1/2/3 car seat suitable from 9–36kg (approx. 9 months to 12 years)

£49.99
17% Off
My Babiie

New
My Babiie MBCSB20 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car
CHILD CAR SEAT: The My Babiie MBCSB20 backless booster is suitable from 125-150cm (approx. 6-12 years, 22-36kg, Group 3)

£24.99 £29.99

10 Child Seats deals are available from: Amazon stores, starting from £15.99.
The biggest discount we found is 17% on My Babiie MBCSB20 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car Seat, Comfortable, Compact, Lightweight, Ideal for Travel - Black at Amazon.
The lowest price we found is £15.99 while the highest is £79.99.
Prices for the best Child Seats deals average at £47.07.
Last updated on August 16, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Child Seats.