Best eSIM for UK 2026: every seller's price, side by side
List prices in USD for the same data and validity, from 26 sellers our price radar reads (the 9 with the widest coverage are shown). No discount codes, no "from" prices: the plan you would actually buy. Slashtel's best value for the UK today is 20GB for 15 days at $15.99 ($0.80 per GB).
| Plan | Slashtel | Saily | Nomad | Airalo | AlpineSIM | RedteaGO | BNESIM | JamboSim | Maya Mobile | Yatelo | Cheapest |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1GB · 7 days | $2.59 | $4.49 | $4.50 | – | $0.81 | $5.40 | $84.52 | $2.99 | – | $1.05 | AlpineSIM |
| 1GB · 15 days | $3.89 | – | – | – | $10.17 | $5.40 | $84.52 | – | $4.99 | – | Slashtel |
| 1GB · 30 days | $3.89 | – | – | – | $18.74 | $0.98 | $1.96 | – | $6.99 | – | RedteaGO |
| 2GB · 7 days | $3.89 | – | – | – | $9.18 | $5.40 | $84.52 | $15.99 | – | – | Slashtel |
| 2GB · 15 days | $3.89 | – | – | – | $19.03 | $5.40 | $84.52 | $3.99 | – | $3.50 | Yatelo |
| 2GB · 30 days | $3.89 | – | – | – | $35.06 | $5.40 | $84.52 | – | – | $41.60 | Slashtel |
| 3GB · 7 days | $3.89 | – | – | $9.00 | $11.41 | $5.40 | $84.52 | $4.99 | – | – | Slashtel |
| 3GB · 15 days | $3.89 | – | – | – | $2.12 | $5.40 | $84.52 | $24.99 | – | $29.37 | AlpineSIM |
| 3GB · 30 days | $3.89 | $8.99 | $9.00 | $9.00 | $2.27 | $2.90 | $3.94 | $3.99 | – | $2.69 | AlpineSIM |
| 5GB · 7 days | $5.59 | – | – | $12.00 | $18.63 | $5.40 | $84.52 | $5.99 | – | – | Monty eSIM |
| 5GB · 15 days | $5.59 | – | – | $12.50 | $38.62 | $5.40 | $84.52 | $5.99 | $6.99 | – | RedteaGO |
| 5GB · 30 days | $5.59 | $12.99 | $12.00 | $13.00 | $3.37 | $4.90 | $5.12 | $4.99 | $8.99 | $3.81 | AlpineSIM |
| 10GB · 7 days | $8.89 | – | – | $18.00 | $37.26 | $5.40 | $84.52 | $8.99 | – | – | RedteaGO |
| 10GB · 15 days | $8.89 | – | – | $18.50 | $39.66 | $5.40 | $84.52 | $9.99 | $9.99 | – | RedteaGO |
| 10GB · 30 days | $8.89 | $18.99 | $17.50 | $19.00 | $6.09 | $5.40 | $9.46 | $6.99 | $12.99 | $6.63 | RedteaGO |
| 15GB · 7 days | $15.99 | – | – | – | $39.66 | $10.80 | $84.52 | – | – | – | RedteaGO |
| 15GB · 15 days | $15.99 | – | – | – | $39.66 | $10.80 | $84.52 | – | – | – | RedteaGO |
| 15GB · 30 days | $15.99 | – | – | – | $39.66 | $10.80 | $84.52 | – | – | – | GoMoWorld |
| 20GB · 7 days | $15.99 | – | – | – | $39.66 | $10.80 | $84.52 | – | – | – | RedteaGO |
| 20GB · 15 days | $15.99 | – | – | $30.00 | $39.66 | $10.80 | $84.52 | $14.99 | $19.99 | – | RedteaGO |
| 20GB · 30 days | $15.99 | $30.99 | $25.00 | $31.00 | $11.62 | $10.80 | $15.77 | $12.99 | $21.99 | $12.30 | RedteaGO |
| 50GB · 7 days | $31.49 | – | – | – | $39.66 | $28.10 | $84.52 | – | – | – | RedteaGO |
| 50GB · 15 days | $31.49 | – | – | – | $39.66 | $28.10 | $84.52 | – | $32.99 | – | RedteaGO |
| 50GB · 30 days | $31.49 | – | $39.00 | $39.00 | $24.08 | $28.10 | $37.07 | $31.99 | $34.99 | $24.65 | GoMoWorld |
"–" means that seller has no plan of at least that size and validity. Competitor prices are read from their public sites and may lag a day; a seller's name is its trade mark.
Questions
Which eSIM is cheapest for the UK?
On 29 September 2026, across 24 plan sizes we track, Slashtel was the cheapest on 4; the table shows every seller's price per size so you can check your own usage. Prices are list prices in USD without discount codes.
How much data do I need for the UK?
Maps, messaging and browsing use about 0.3GB a day; video calls and streaming about 1GB a day. A week needs 3GB for most people; two weeks 5GB; a month 10GB.
Are these prices live?
Competitor prices are read from their public sites by our price radar and refreshed daily; Slashtel prices are our live catalogue. Last check: 29 September 2026.
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