UK SIM only plans compared
SIM only and pay as you go plans from giffgaff, SMARTY, Lebara, VOXI, Three, EE, Vodafone, O2, Tesco Mobile and iD Mobile. Prices in pounds with USD equivalents.
64 plans from 10 carriers. Sorted by carrier, then price.
Visiting? Compare travel eSIMs for United Kingdom.
| Carrier | Plan | Price | USD | Period | Details | Checked | |
|---|---|---|---|---|---|---|---|
| EE | 50GB, 24 months | £13 | $17.41 | month | 50 GB. Flash sale ends 5 Nov. Rises to £15.50 Mar 2027, £18 2028. | 2026-10-23 | View |
| EE | 100GB, 24 months | £17 | $22.77 | month | 100 GB. Flash sale ends 5 Nov. Rises to £19.50 Mar 2027, £22 2028. | 2026-10-23 | View |
| EE | Unlimited Essentials Plus Max, 24 months | £26 | $34.82 | month | Unlimited. Was £36. Rises to £28.50 Mar 2027, £31 2028. | 2026-10-23 | View |
| EE | Unlimited All Rounder, 24 months | £33 | $44.2 | month | Unlimited. Rises to £35.50 Mar 2027, £38 2028. | 2026-10-23 | View |
| giffgaff | 2GB rolling | £6 | $8.04 | month | 2 GB. Unlimited UK calls and texts. giffgaff.com blocks automated checks; price as listed on giffgaff's page on 20 Oct 2026, via the linked source. | 2026-10-20 via honestquid.co.uk | View |
| giffgaff | 5GB rolling | £8 | $10.71 | month | 5 GB. Unlimited UK calls and texts. giffgaff.com blocks automated checks; price as listed on giffgaff's page on 20 Oct 2026, via the linked source. | 2026-10-20 via honestquid.co.uk | View |
| giffgaff | 20GB rolling | £10 | $13.39 | month | 20 GB. Unlimited UK calls and texts. giffgaff.com blocks automated checks; price as listed on giffgaff's page on 20 Oct 2026, via the linked source. | 2026-10-20 via honestquid.co.uk | View |
| giffgaff | 26GB rolling | £12 | $16.07 | month | 26 GB. Unlimited UK calls and texts. giffgaff.com blocks automated checks; price as listed on giffgaff's page on 20 Oct 2026, via the linked source. | 2026-10-20 via honestquid.co.uk | View |
| giffgaff | 50GB rolling | £15 | $20.09 | month | 50 GB. Unlimited UK calls and texts. giffgaff.com blocks automated checks; price as listed on giffgaff's page on 20 Oct 2026, via the linked source. | 2026-10-20 via honestquid.co.uk | View |
| giffgaff | 100GB rolling | £20 | $26.79 | month | 100 GB. Unlimited UK calls and texts. giffgaff.com blocks automated checks; price as listed on giffgaff's page on 20 Oct 2026, via the linked source. | 2026-10-20 via honestquid.co.uk | View |
| giffgaff | 200GB rolling | £25 | $33.48 | month | 200 GB. Unlimited UK calls and texts. giffgaff.com blocks automated checks; price as listed on giffgaff's page on 20 Oct 2026, via the linked source. | 2026-10-20 via honestquid.co.uk | View |
| giffgaff | Unlimited rolling | £35 | $46.88 | month | Unlimited. Unlimited UK calls and texts. giffgaff.com blocks automated checks; price as listed on giffgaff's page on 20 Oct 2026, via the linked source. | 2026-10-20 via honestquid.co.uk | View |
| iD Mobile | 15GB, 1-month | £6 | $8.04 | month | 15 GB. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| iD Mobile | 25GB, 1-month | £7 | $9.38 | month | 25 GB. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| iD Mobile | 36GB, 1-month | £8 | $10.71 | month | 36 GB. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| iD Mobile | 70GB, 1-month | £10 | $13.39 | month | 70 GB. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| iD Mobile | 100GB, 1-month | £12 | $16.07 | month | 100 GB. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| iD Mobile | 200GB, 1-month | £14 | $18.75 | month | 200 GB. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| iD Mobile | 250GB, 1-month | £15 | $20.09 | month | 250 GB. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| iD Mobile | 300GB, 1-month | £16 | $21.43 | month | 300 GB. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| iD Mobile | Unlimited, 12-month | £17 | $22.77 | month | Unlimited. No annual price rises. | 2026-10-23 | View |
| iD Mobile | Unlimited, 1-month | £20 | $26.79 | month | Unlimited. Rolling monthly. No annual price rises. | 2026-10-23 | View |
| Lebara | 5GB 30-day | £5 | $6.7 | 30 days | 5 GB. Unlimited UK mins and texts on most plans. No annual price rises. No contract. | 2026-10-23 | View |
| Lebara | 30GB 30-day | £10 | $13.39 | 30 days | 30 GB. Unlimited UK mins and texts on most plans. No annual price rises. No contract. | 2026-10-23 | View |
| Lebara | 50GB 30-day | £15 | $20.09 | 30 days | 50 GB. Unlimited UK mins and texts on most plans. No annual price rises. No contract. | 2026-10-23 | View |
| Lebara | 100GB 30-day | £20 | $26.79 | 30 days | 100 GB. Unlimited UK mins and texts on most plans. No annual price rises. No contract. | 2026-10-23 | View |
| Lebara | Unlimited 30-day | £25 | $33.48 | 30 days | Unlimited. No annual price rises. No contract. | 2026-10-23 | View |
| Lebara | Unlimited Plus 30-day | £30 | $40.18 | 30 days | Unlimited. No annual price rises. No contract. | 2026-10-23 | View |
| O2 | PAYG Big Bundle £10 | £10 | $13.39 | 30 days | 8 GB (24 GB promo). Pay as you go. 24 GB for the first 3 months on the current offer. | 2026-10-23 | View |
| O2 | PAYG Big Bundle £15 | £15 | $20.09 | 30 days | 25 GB (125 GB promo). Pay as you go. 125 GB for the first 3 months on the current offer. | 2026-10-23 | View |
| O2 | 100GB Classic, 24 months | £20 | $26.79 | month | 100 GB. Rises to £22.50 Apr 2027, £25 Apr 2028. | 2026-10-23 | View |
| O2 | PAYG Big Bundle £20 | £20 | $26.79 | 30 days | 40 GB (200 GB promo). Pay as you go. 200 GB for the first 3 months on the current offer. | 2026-10-23 | View |
| O2 | Unlimited Classic, 24 months | £23 | $30.8 | month | Unlimited. Offer ends 4 Nov. Rises to £25.50 Apr 2027, £28 Apr 2028. | 2026-10-23 | View |
| O2 | 100GB Ultimate, 24 months | £26.99 | $36.15 | month | 100 GB. Rises to £29.49 Apr 2027, £31.99 Apr 2028. | 2026-10-23 | View |
| O2 | Unlimited Ultimate, 24 months | £29.99 | $40.17 | month | Unlimited. Rises to £32.49 Apr 2027, £34.99 Apr 2028. | 2026-10-23 | View |
| O2 | PAYG Big Bundle £30 | £30 | $40.18 | 30 days | 125 GB (250 GB promo). Pay as you go. 250 GB for the first 3 months on the current offer. | 2026-10-23 | View |
| SMARTY | 5GB monthly | £6 | $8.04 | month | 5 GB. Rolling monthly, no contract. | 2026-10-23 | View |
| SMARTY | 32GB monthly | £8 | $10.71 | month | 32 GB. Offer, normally 16GB. Rolling monthly, no contract. | 2026-10-23 | View |
| SMARTY | 20GB monthly | £9 | $12.05 | month | 20 GB. Rolling monthly, no contract. | 2026-10-23 | View |
| SMARTY | 40GB monthly | £10 | $13.39 | month | 40 GB. Rolling monthly, no contract. | 2026-10-23 | View |
| SMARTY | 140GB monthly | £12 | $16.07 | month | 140 GB. Offer, normally 100GB. Rolling monthly, no contract. | 2026-10-23 | View |
| SMARTY | 150GB monthly | £15 | $20.09 | month | 150 GB. Rolling monthly, no contract. | 2026-10-23 | View |
| SMARTY | 200GB monthly | £17 | $22.77 | month | 200 GB. Rolling monthly, no contract. | 2026-10-23 | View |
| SMARTY | Unlimited monthly | £20 | $26.79 | month | Unlimited. Rolling monthly, no contract. | 2026-10-23 | View |
| Tesco Mobile | 2GB, 24 months | £7.5 | $10.04 | month | 2 GB | 2026-10-23 | View |
| Tesco Mobile | 12GB, 24 months | £10 | $13.39 | month | 12 GB. Clubcard price £9, frozen for the contract. Offer ends 1 Nov 2026. | 2026-10-23 | View |
| Tesco Mobile | 30GB, 24 months | £12.5 | $16.74 | month | 30 GB | 2026-10-23 | View |
| Tesco Mobile | 45GB, 24 months | £13.75 | $18.42 | month | 45 GB. Clubcard price £11, frozen for the contract. Offer ends 1 Nov 2026. | 2026-10-23 | View |
| Tesco Mobile | 60GB, 24 months | £15 | $20.09 | month | 60 GB | 2026-10-23 | View |
| Tesco Mobile | 100GB, 24 months | £17.5 | $23.44 | month | 100 GB. Clubcard price £14, frozen for the contract. Offer ends 1 Nov 2026. | 2026-10-23 | View |
| Tesco Mobile | 250GB, 24 months | £22.5 | $30.13 | month | 250 GB | 2026-10-23 | View |
| Tesco Mobile | Unlimited, 24 months | £25 | $33.48 | month | Unlimited. Clubcard price £20, frozen for the contract. Offer ends 1 Nov 2026. Includes £50 gift card. | 2026-10-23 | View |
| Three | 120GB Lite, 24 months | £8 | $10.71 | month | 120 GB. Half price for 6 months, then £16. Rises to £18.30 Apr 2027, £20.60 Apr 2028. | 2026-10-23 | View |
| Three | 20GB Lite, 24 months | £10 | $13.39 | month | 20 GB. Flash sale. Unlimited mins and texts. Rises to £11.90 Apr 2027, £13.80 Apr 2028. Includes £5 Direct Debit discount. | 2026-10-23 | View |
| Three | Unlimited Lite, 24 months | £22 | $29.46 | month | Unlimited. Rises to £24.30 Apr 2027, £26.60 Apr 2028. Code 2OFF takes £2 off. | 2026-10-23 | View |
| Vodafone | 50GB Red | £21 | $28.13 | month | 50 GB. Price rises to £23.50 Apr 2027, £26 Apr 2028. | 2026-10-23 | View |
| Vodafone | 150GB Red | £25 | $33.48 | month | 150 GB. Price rises to £27.50 Apr 2027, £30 Apr 2028. | 2026-10-23 | View |
| Vodafone | Unlimited Plus | £26 | $34.82 | month | Unlimited. 25GB EU roaming, 52 destinations. Price rises to £28.50 Apr 2027, £31 Apr 2028. | 2026-10-23 | View |
| Vodafone | Unlimited Premier | £31 | $41.52 | month | Unlimited. Roaming in 84 destinations. Price rises to £33.50 Apr 2027, £36 Apr 2028. | 2026-10-23 | View |
| VOXI | 20GB rolling | £10 | $13.39 | 30 days | 20 GB. Unlimited social apps. Rolling 30 days, price locked. | 2026-10-23 | View |
| VOXI | 75GB rolling | £12 | $16.07 | 30 days | 75 GB. Offer: 3x data on the 25GB plan. Rolling 30 days, price locked. | 2026-10-23 | View |
| VOXI | 35GB rolling | £15 | $20.09 | 30 days | 35 GB. Rolling 30 days, price locked. | 2026-10-23 | View |
| VOXI | 300GB rolling | £20 | $26.79 | 30 days | 300 GB. Offer: 3x data on the 100GB plan. Rolling 30 days, price locked. | 2026-10-23 | View |
| VOXI | Unlimited rolling | £35 | $46.88 | 30 days | Unlimited. Rolling 30 days, price locked. | 2026-10-23 | View |
USD amounts use USD rates (Fri, 23 Oct 2026 00:02:31 +0000), source ExchangeRate-API open access (open.er-api.com). Promo prices and terms change often. Always confirm on the carrier page.