Cheapest 5Gb Fibre Broadband in Ireland

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 5 October 2026. check your eircode to see which networks reach your address.

Lowest total cost over 12 months

OpenEir

eir

eir 5 Gigabit Fibre Broadband, Talk - 24 Month Discount

€49.99 /month

for 6 months

then €53.99 /month

for 12 months

then €57.99 /month

for 6 months

then €97.99 /month thereafter

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

Total cost over 12 months: €523.88

SIRO

Sky

5Gbps Ultrafast Max

€53 /month

for 24 months

then €90 /month thereafter

12 month contract
No activation fee
Sign up via Online signup

12-month minimum term. Promotional pricing continues for 24 months; €90.00/month applies afterwards.

Total cost over 12 months: €636

NBI

eir

eir 5 Gigabit Fibre Broadband, Talk - 24 Month Discount

€49.99 /month

for 6 months

then €53.99 /month

for 12 months

then €57.99 /month

for 6 months

then €97.99 /month thereafter

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

Total cost over 12 months: €523.88

Virgin Media Fibre

Sky

5Gbps Ultrafast Max

€53 /month

for 24 months

then €90 /month thereafter

12 month contract
No activation fee
Sign up via Online signup

12-month minimum term. Promotional pricing continues for 24 months; €90.00/month applies afterwards.

Total cost over 12 months: €636

Lowest total cost over 24 months

OpenEir

eir

eir 5 Gigabit Fibre Broadband, Talk - 24 Month Discount

€49.99 /month

for 6 months

then €53.99 /month

for 12 months

then €57.99 /month

for 6 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: €1195.76

SIRO

Sky

5Gbps Ultrafast Max

€53 /month

for 24 months

then €90 /month thereafter

12 month contract
No activation fee
Sign up via Online signup

12-month minimum term. Promotional pricing continues for 24 months; €90.00/month applies afterwards.

Total cost over 24 months: €1272

NBI

eir

eir 5 Gigabit Fibre Broadband, Talk - 24 Month Discount

€49.99 /month

for 6 months

then €53.99 /month

for 12 months

then €57.99 /month

for 6 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: €1195.76

Virgin Media Fibre

Sky

5Gbps Ultrafast Max

€53 /month

for 24 months

then €90 /month thereafter

12 month contract
No activation fee
Sign up via Online signup

12-month minimum term. Promotional pricing continues for 24 months; €90.00/month applies afterwards.

Total cost over 24 months: €1272

Prices are the cheapest nationwide offers we track per network over each comparison period and include promotional pricing where available; regional offers are excluded. The card shows each plan's actual minimum contract. Two-year totals include announced annual price increases and the standard price after any promotional period ends.