What is the lowest price for a 5G SIM only deal?

On 2 November 2026 the lowest we saw was £2.50 a month for 1GB on Mozillion, 24 months. That deal states no mid-contract rise.

How many 5G SIM only plans do you compare?

323 plans, from £2.50 to £48 a month, sold by 21 retailers including Mozillion, Spusu and Lebara Mobile. Data, price, network and contract length are on every deal.

5G SIM only deals

SIM only plans with 5G included. Your phone needs to support 5G and you need 5G coverage where you use it; the network's checker will confirm both.

Quick answer · figures checked 2 November 2026

What is the lowest price for a 5G SIM only deal?: On 2 November 2026 the lowest we saw was £2.50 a month for 1GB on Mozillion, 24 months. That deal states no mid-contract rise.
How many 5G SIM only plans do you compare?: 323 plans, from £2.50 to £48 a month, sold by 21 retailers including Mozillion, Spusu and Lebara Mobile. Data, price, network and contract length are on every deal.

Deals come from our comparison partner and MoneyHQ may earn a commission if you take one.

Our figures

Does 5G cost more?

323 of the 398 SIM only plans we list are 5G (81%). In every data band, the cheapest 5G plan costs the same as or less than the cheapest 4G-only plan.

Data	Cheapest 5G plan	Cheapest 4G-only plan	5G costs
Up to 10GB	£2.50 a monthMozillion, 24 months	£7 a monthsmarty, rolling monthly	£4.50 less
11GB to 50GB	£5.95 a monthTalkMobile, rolling monthly	£6 a monthiD Mobile, rolling monthly	£0.05 less
51GB to 150GB	£7.95 a monthTalkMobile, rolling monthly	£8 a monthiD Mobile, rolling monthly	£0.05 less
Over 150GB	£11.95 a monthTalkMobile, rolling monthly	£17.46 a monthVodafone, 12 months	£5.51 less
Unlimited	£13.76 a monthThree, 12 months	£14 a monthRewild Mobile, rolling monthly	£0.24 less

Which networks include 5G

On every plan we list: Asda Mobile, Community Fibre, giffgaff, Grade Mobile, Lebara, Lycamobile, Mozillion, O2, Revolut, Sky Mobile, Spusu, Tesco Mobile and Three.

On some plans: iD Mobile (39 of 49), smarty (7 of 10), TalkMobile (12 of 17), Vodafone (63 of 97) and VOXI (4 of 13).

4G only: Ecotalk and Rewild Mobile.

How we work it out: every SIM only plan on our comparison partner’s panel on one true monthly cost (upfront plus every month with each stated price rise, over the contract; a rolling plan at its monthly price), the cheapest 5G and the cheapest 4G-only plan in each data band. You need a 5G phone and 5G coverage where you use it for 5G to make a difference. Checked 2 November 2026.

Our figures

What each network really charges

Across 323 5G plans, the lowest true monthly cost is £2.50 a month (Mozillion, 1GB, £2.50 a month, 24 months).

By network

Network	Plans	Lowest true cost a month	That plan
Mozillion	33	£2.50	1GB, £2.50 a month, 24 months
Spusu	8	£2.90	1GB, £2.90 a month, rolling monthly
Lebara	15	£4.50	5GB, £4.50 a month, 12 months
TalkMobile	12	£4.95	5GB, £4.95 a month, rolling monthly
Asda Mobile	23	£5	3GB, £5 a month, rolling monthly, £5 upfront
iD Mobile	39	£6	25GB, £6 a month, rolling monthly
smarty	7	£6	18GB, £6 a month, rolling monthly
giffgaff	13	£6	2GB, £6 a month, rolling monthly
Sky Mobile	10	£6	10GB, £6 a month, 24 months
Tesco Mobile	24	£6.21	6GB, £6 a month, 12 months
O2	25	£7	10GB, £7 a month, rolling monthly
Three	30	£7.95	1GB, £6 a month, 24 months
Grade Mobile	11	£9	10GB, £9 a month, 24 months
VOXI	4	£10	80GB, £10 a month, rolling monthly
Lycamobile	4	£10	30GB, £10 a month, rolling monthly
Vodafone	63	£10	2GB, £10 a month, rolling monthly
Revolut	1	£14.99	Unlimited data, £14.99 a month, rolling monthly
Community Fibre	1	£17	Unlimited data, £17 a month, rolling monthly

By data allowance

Data	Plans	Lowest true cost a month	That plan
Up to 10GB	50	£2.50	Mozillion, 1GB, £2.50 a month, 24 months
11GB to 50GB	84	£5.95	TalkMobile, 20GB, £5.95 a month, rolling monthly
51GB to 150GB	101	£7.95	TalkMobile, 60GB, £7.95 a month, rolling monthly
Over 150GB	33	£11.95	TalkMobile, 180GB, £11.95 a month, rolling monthly
Unlimited	55	£13.76	Three, Unlimited data, £12.42 a month, 12 months

By contract length

Contract	Plans	Lowest true cost a month	That plan
Rolling monthly	113	£2.80	Mozillion, 1GB, £2.80 a month, rolling monthly
12 months	89	£2.75	Mozillion, 1GB, £2.75 a month, 12 months
18 months	6	£8	giffgaff, 40GB, £8 a month, 18 months
24 months	115	£2.50	Mozillion, 1GB, £2.50 a month, 24 months

Price rises

117 of 210 fixed-term plans state a mid-contract rise. On the lowest of those, the rises add £2.52 over 12 months. The lowest with no stated rise works out at £2.50 a month (Mozillion, 1GB, £2.50 a month, 24 months).

The deals

5G plans right now

323 plans, £2.50 to £48 a month. 113 rolling one-month. 117 state a mid-contract rise.

Network	Data	A month	Contract	Sold by	Rise	Go to deal
Mozillion	1GB · 5G	£2.50	24 months	Mozillion	No mid-contract rise stated	Get deal: Deal on Mozillion, £2.50 a month
Mozillion	1GB · 5G	£2.75	12 months	Mozillion	No mid-contract rise stated	Get deal: Deal on Mozillion, £2.75 a month
Mozillion	1GB · 5G	£2.80	Rolling	Mozillion	No mid-contract rise stated	Get deal: Deal on Mozillion, £2.80 a month
Spusu	1GB · 5G	£2.90	Rolling	Spusu	No mid-contract rise stated	Get deal: Deal on Spusu, £2.90 a month
Mozillion	3GB · 5G	£3.50	24 months	Mozillion	No mid-contract rise stated	Get deal: Deal on Mozillion, £3.50 a month
Mozillion	3GB · 5G	£3.75	12 months	Mozillion	No mid-contract rise stated	Get deal: Deal on Mozillion, £3.75 a month
Spusu	3GB · 5G	£3.90	Rolling	Spusu	No mid-contract rise stated	Get deal: Deal on Spusu, £3.90 a month
Mozillion	3GB · 5G	£3.90	Rolling	Mozillion	No mid-contract rise stated	Get deal: Deal on Mozillion, £3.90 a month

Read from our comparison partner’s feed on 2 November 2026. Providers set the prices and can change them. Tables built automatically by rules MoneyHQ sets: ordered by what deals cost, never by commission. How we make money.

Questions people ask

Do 5G SIM only prices rise mid-contract?

117 of the 323 plans state a rise, shown as a pound amount and a date on each deal. Rolling plans can change price with notice but carry no lock-in.