FullFibre

Cheapest 5Gb Fibre Broadband

5 Gigabit fibre is currently the fastest residential broadband speed available in Ireland, although availability varies by address. These are the cheapest 5Gb (5000 Mbps) deals available nationwide as of 21 August 2026. check your eircode to see which networks reach your address.

Best value on a 12 month contract

OpenEir

Sky

5Gbps Ultrafast Max

€55 /month

for 12 months

then €90 /month thereafter

  • 12 month contract
  • No activation fee
  • Sign up via Online signup

Total cost over 12 months: €660

SIRO

Sky

5Gbps Ultrafast Max

€55 /month

for 12 months

then €90 /month thereafter

  • 12 month contract
  • No activation fee
  • Sign up via Online signup

Total cost over 12 months: €660

NBI

Sky

5Gbps Ultrafast Max

€55 /month

for 12 months

then €90 /month thereafter

  • 12 month contract
  • No activation fee
  • Sign up via Online signup

Total cost over 12 months: €660

Virgin Media Fibre

Sky

5Gbps Ultrafast Max

€55 /month

for 12 months

then €90 /month thereafter

  • 12 month contract
  • No activation fee
  • Sign up via Online signup

Total cost over 12 months: €660

Best value on a 24 month contract

OpenEir

eir

eir 5 Gigabit Fibre Broadband, Talk - 24 Month Discount

€49.99 /month

for 8 months

then €53.99 /month

for 12 months

then €57.99 /month

for 4 months

then €97.99 /month thereafter

  • 24 month contract
  • No activation fee
  • €100 bill credit
  • Sign up via Online signup

Total cost over 24 months: €1179.76

SIRO

No 5Gb plans currently available on SIRO with a 24 month contract.

NBI

No 5Gb plans currently available on NBI with a 24 month contract.

Virgin Media Fibre

Virgin Media

Virgin Media 5Gb Broadband - 24 Month Discount

€70 /month

for 24 months

then €100 /month thereafter

  • 24 month contract
  • No activation fee
  • Sign up via Online signup

Total cost over 24 months: €1680

Prices are the cheapest nationwide offers we track per network and include promotional pricing where available; regional offers are excluded. Two-year totals include announced annual price increases and the standard price after any promotional period ends.