Best Kids Car Seat With Isofix Deals Online in the UK (10 Deals Found)

Last Updated - 29/10/2026 Sort By:

Best Choice
Kinderkraft

New
Kinderkraft Junior FIX 2 PRO Child car seat 100-150 cm, ISOFIX + seat Belt Install, H-Guard headrest, SPS Side Protectio
Child car seat for children 100–150 cm (3.5–12 years) with a comfortable seat and adjustable headrest – grows with your

£43.10 £54.90
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
Jovikids

New
Jovikids OHHO+ i-Size Booster Car Seat, 125-150cm Highback Toddler Booster Seat with ISOFIX, ECE R129 Approved, Seat Bel
【ISOFIX Secure Installation with Visual Confirmation】 Lock the Jovikids booster seat directly to your vehicle's ISOFIX p

£34.00
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
Best Value
Graco

New
Graco Affix i-Size R129 with ISOFIX Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 1
Forward facing i-Size R129 ISOFIX Highback Booster Seat - Suitable from 100-150cm (approx. 3.5 to 12 years)

£59.99 £70.00
13% Off
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)

£34.99 £40.00
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
10% Off
Kinderkraft

New
Kinderkraft Safety FIX 3 PRO I-Size 76-150 cm Car Seat, 15 Months - 12 Years, Booster Child Seat, Isofix, Adjustable Hea
ISOFIX and Top Tether, with optional vehicle seat belt installation, allow secure fitting depending on the child’s heigh

£67.28 £74.90
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
Cybex

New
CBX by CYBEX Solution XI-Fix child car seat, for cars with or without ISOFIX, for children aged approx. 3 - 12 years (10
Sturdy and high-quality child car seat with long service life, for children aged approx. 3 to 12 years (15-36 kg, approx

£69.99 £71.99

10 Kids Car Seat With Isofix deals are available from: Amazon stores, starting from £24.99.
The biggest discount we found is 21% on Kinderkraft Junior FIX 2 PRO Child car seat 100-150 cm, ISOFIX + seat Belt Install, H-Guard headrest, SPS Side Protection, Clear Belt Guides, AIR Flow Breathable Upholstery, Green at Amazon.
The lowest price we found is £24.99 while the highest is £69.99.
Prices for the best Kids Car Seat With Isofix deals average at £51.42.
Last updated on October 29, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Kids Car Seat With Isofix.