Best Garmin Forerunner 45 Deals Online in the UK (25 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Garmin

New
Garmin Forerunner 55 GPS 42mm Running Smartwatch, Easy to use, Lightweight, Training Guidance, Safety & Tracking Feature
Easy-to-use GPS running smartwatch monitors heart rate at the wrist and uses GPS to track how far, how fast and where yo

£121.39 £179.99
Best Value
Garmin

New
Garmin Forerunner 55 GPS 42mm Running Smartwatch, Easy to use, Lightweight, Training Guidance, Safety & Tracking Feature
Easy to use: Convenient and simple use

£124.89 £179.99
Refurbished
Garmin Forerunner 45S GPS Running Watch-Iris Blue- Case 39mm *Good Refurbished*
Elevate your athletic performance with the Garmin Forerunner 45S GPS Running Watch, designed to cater to both indoor and

£49.99
28% Off
Garmin

New
Garmin Forerunner 55 GPS 42mm Running Smartwatch, Easy to use, Lightweight, Training Guidance, Safety & Tracking Feature
Easy-to-use GPS running smartwatch monitors heart rate at the wrist and uses GPS to track how far, how fast and where yo

£128.90 £179.99
Used
Garmin forerunner 45
The Garmin Forerunner 45 is a versatile smartwatch suitable for indoor and outdoor activities, specifically designed for

£47.50
Garmin

Used
Garmin Forerunner 55 GPS 42mm Running Smartwatch, Easy to use, Lightweight, Training Guidance, Safety & Tracking Feature
Easy-to-use GPS running smartwatch monitors heart rate at the wrist and uses GPS to track how far, how fast and where yo

£110.00
Garmin

New
Garmin Forerunner 255 GPS 46mm Running Smartwatch, Lightweight, Advanced Training & Insights, Safety & Tracking Features
Forerunner 255 provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full pictu

£199.99
Used
Garmin Forerunner 45S GPS Running Watch-White- Case 39mm
Do not attempt to fix anything.

£41.99
Garmin

Used
Garmin Forerunner 255 GPS 46mm Running Smartwatch, Lightweight, Advanced Training & Insights, Safety & Tracking Features
Forerunner 255 provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full pictu

£174.99
Used
Garmin Forerunner 45 Smart Running Watch Grey Strap
Almost new used a couple of times. I can not find the cable charger, but works fine

£39.51
Garmin

New
Garmin Forerunner 255 GPS 46mm Running Smartwatch, Lightweight, Advanced Training & Insights, Safety & Tracking Features
Forerunner 255 provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full pictu

£199.99
Garmin

Used
Garmin Forerunner 255 GPS 46mm Running Smartwatch, Lightweight, Advanced Training & Insights, Safety & Tracking Features
Forerunner 255 provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full pictu

£189.00
New
Wristwatch Strap For Garmin Forerunner 45S Watch Silicone Wrist Watch Band
For Garmin Vivoactive 3 / Music Silicone Fitness Wrist Band Watch Strap. For Garmin Vivoactive 4 / Venu 2 Smart Watches

£5.95 £7.95
23% Off
Garmin

New
Garmin Forerunner 165 Music GPS 43mm Running Smartwatch, Lightweight, AMOLED Touchscreen, Advanced Training & Insights,
Easy-to-use running smartwatch with built-in GPS for pace/distance and wrist-based heart rate; brilliant AMOLED touchscr

£223.99 £289.99
Used
Garmin Forerunner 45 Plus GPS Smartwatch
Great condition With original box and charger cable and leaflets. no issues. May want a new strap as it is a touch worn

£47.50
Shop-for-sims

New
Charger Cable Compatible (USB) with Garmin Forerunner 45/45S/55/245/265/745/935/945 - Garmin Fenix 7 7S 7X 6 6S 6X Pro 5
Compatibility: USB charging cable designed for Garmin Forerunner 45/45S/55/245/265/745/935/945 smartwatches

£3.79
New
For Garmin Forerunner 45/45S/935/245/55 Music USB Charging Cable Charger
Use the cable to transfer data to and from your Garmin Forerunner. 1 X Garmin Forerunner 100cm / 3.3ft cable length, ext

£3.95
Used
Garmin Forerunner 45S PARTS/REPAIRS with spare strap - see Description
Model: Forerunner 45S. 1 x Original Garmin Box and Instructions. Compatible with Garmin Connect for data syncing. New Sp

£19.99
New
For Garmin Forerunner 45/45S/935/245/55 Music USB Charging Cable Charger -Uk
Charging & data sync solution for your (advertised) Garmin Activity Fitness wristband/watch, with stronger design for a

£3.65
New
For Garmin Forerunner 45/45S Leather Stainless Steel Nylon Silicone Band Strap
Garmin forerunner 45. Garmin forerunner 45 S. Material: stainless steel / Milannese / leather / nylon / silicone. 1 brac

£8.72
New
USB Sync Charging Cable Charger Lead for GARMIN Forerunner 245 45 45S 55
Charging / Sync USB Cable for Garmin Watches. Charging & data sync solution for your (advertised) Garmin Activity Fitnes

£3.95
Used
Garmin Forerunner 45 *Wristband Strap Brackets Broken, No Charger* AG39
Sold as pictured and described the brackets that hold straps are broken.

£20.00
Used
Garmin Forerunner 45s GPS Fitness Watch + Charger Pink Small
• Garmin Forerunner 45s Sports Watch. Headquarters is based in the UK. Our mission is to provide high-quality products a

£65.99
Used
Garmin Forerunner 45 GPS Running Watch, Large - Black
Garmin Forerunner 45 GPS Running Watch, Large - Black

£52.70
Used
Garmin Forerunner 45 red
The Garmin Forerunner 45 is a smartwatch designed for fitness enthusiasts, specifically catered towards running and jogg

£63.09

25 Garmin Forerunner 45 deals are available from: Amazon, eBay stores, starting from £3.65.
The biggest discount we found is 33% on Garmin Forerunner 55 GPS 42mm Running Smartwatch, Easy to use, Lightweight, Training Guidance, Safety & Tracking Features, Black at Amazon.
The lowest price we found is £3.65 while the highest is £223.99.
Prices for the best Garmin Forerunner 45 deals average at £78.06.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Garmin Forerunner 45.