Europe
EuropeUnited Kingdom eSIM
Landmarks · London · Manchester · Edinburgh
From $2.39. Data only, no app, and your home number keeps working.
Also going to Ireland? Both packs of this size: $8.58. Europe regional covers both on one QR: $4.99.
Not sure which size? Work it out
7 days at about 600 MB a day ≈ 4.2 GB. 5 GB fits, $4.29.
Same 5 GB / 30 days: $4.29 here, $13.00 at Airalo. Checked 31 Oct 2026.
Day Pass
Unlimited data: 3 GB a day at full speed, then 1 Mbps with no cut-off until the allowance resets. For heavy days, video calls or sharing a hotspot.
- Hotspot works; it counts toward the 3 GB.
- 1 Mbps still runs maps, messages and mail; video calls in low quality.
- Days start: first attach to a covered network. The daily 3 GB is the only cap, and it is all written here.
- Refund if unusedNot installed? 30 days to cancel.
- QR by emailInstall on Wi-Fi, switch on when you land.
- Secure checkoutStripe. Card, Apple Pay, Google Pay. Pay in your own currency.
- Independent reviewRead our MyBestSim review.
- A person, not a botWrite any hour: a reply in minutes.
- Networks
- EE + 3Your phone picks the strongest of these on its own. No setting to change.
- Top-up
- Same profileAdd more GB to this same eSIM later, from your order page. No new QR, nothing to install.
Prices checked 31 Oct 2026, in US dollars.
36 brands’ prices for United Kingdom, side by side →
Visiting more countries? Plan the whole trip, one payment →
United Kingdom only: 5 GB for 30 days is $4.29. Crossing borders? Europe regional covers 33 countries on one QR, United Kingdom included: 5 GB for 30 days is $4.99.
QR mail in about a minute
Tap Add eSIM on Wi-Fi
Land, switch roaming on
United Kingdom eSIM in numbers
- No app and no account: pay on this page and the QR code arrives by email in about a minute. The cheapest way in is 1 GB for 7 days at $2.39. How buying without an app works.
- 5 GB for 30 days costs $4.29, which is $0.86 a GB; the 50 GB pack brings it to $0.53 a GB.
- Heavy use: the Day Pass gives 3 GB a day at full speed, then 1 Mbps. 7 days cost $18.90.
- For 5 GB lasting 30 days, ours is number 4 of the 32 brands we compare for United Kingdom; the lowest is MegaEsim at $3.33 (prices read 30 Oct to 31 Oct 2026). Every brand side by side.
- Each pack on its own page, with the same data at other brands: 1 GB, 7 days, 3 GB, 30 days, 5 GB, 30 days, 10 GB, 30 days, 20 GB, 30 days, 50 GB, 30 days.
eSIM, local SIM or pocket Wi-Fi in United Kingdom?
A local SIM is often cheaper per GB. The difference is where you get it and what it asks for. Prices from each operator’s own page, read 17 Oct 2026.
Compare 2 options: price, where to get it, ID
| Option | What you get | Price | How you get it | ID |
|---|---|---|---|---|
| Inbox eSIM | 5 GB / 30 days | $4.29 | Online before you fly; QR by email, installs on Wi-Fi | None |
| Three pay as you go | 40 GB for a month, with calls and texts | £10 (about $13.30) | Shops and supermarkets, or online | Not stated |
Before you land in United Kingdom
UK networks are switching off their oldest technology; a 4G or 5G phone is what you need. EU visitors: the UK is outside EU roaming rules.
3 things to know, each with its source
- The UK government and all four networks agreed to switch off public 2G and 3G by 2033. UK government
- EE switched off its 3G network in early 2024. EE
- Heathrow has free Wi-Fi in every terminal (Heathrow Wi-Fi, register on screen). Heathrow
Read before you go: One eSIM for a Europe trip · Home roaming or a travel eSIM? What a week costs · Day Pass or a GB pack: which travel eSIM to buy
Questions
What is the best eSIM for United Kingdom?
For most trips, 5 GB for 30 days is enough: $4.29 here, against $13.00 at Airalo for the same data (read 31 Oct 2026). It is data only and needs no app: the QR code and a one-tap install link arrive by email. For heavy use there is also a Day Pass: 3 GB a day at full speed. Every brand's price for United Kingdom, dated and sourced, is on our comparison page.
Is there an unlimited eSIM for United Kingdom?
Yes: our Day Pass is unlimited data, 3 GB a day at full speed and then 1 Mbps with no cut-off, and 7 days cost $18.90 here. Other brands' "unlimited" plans for 7 days: Ubigi $21.00 (unlimited, 25 GB at full speed, then 2 Mbps); Nomad $25.00 (2GB/day at 4G/5G. 1 Mbps after 2GB); Jetpac $25.99 (first 3 GB every 24 hours at standard network speeds); Airalo $27.00 (unlimited with a daily high-speed allowance) (prices read 30 Oct to 31 Oct 2026). Read each one's terms: "unlimited" often means a daily allowance at full speed.
Which United Kingdom eSIM for a month?
Every one of these lasts 30 days: 3 GB $3.49, 5 GB $4.29, 10 GB $7.19, 20 GB $13.19, 50 GB $26.69. The 30 days start when the eSIM first connects to a network there, so you can buy before the trip.
Can I buy a United Kingdom eSIM without an app?
Yes. You pay on this page and the QR code and a one-tap install link arrive by email: no app and no account. It is data only, with no phone number, so your home SIM keeps your calls and SMS.
Does the United Kingdom eSIM come with a phone number?
No. It is data only: no local number, calls or SMS on this eSIM. Your home SIM stays in the phone for calls and texts (your carrier's roaming rates apply to them), and WhatsApp, FaceTime or Signal calls run over the eSIM's data. If you need a local number in the United Kingdom, for example for a service that texts a code, buy a local SIM there.
Which United Kingdom eSIM for a week or two?
For 7 days: 1 GB $2.39. The 30-day packs cover one or two weeks too: 3 GB $3.49, 5 GB $4.29. Day Pass, 3 GB a day at full speed and then 1 Mbps: 7 days $18.90, 14 days $34.90.
12 more questions
Will WhatsApp keep my number with a United Kingdom eSIM?
Yes. WhatsApp stays on your home number: this eSIM is data only and has no number. Leave your home SIM in the phone with its data roaming off, use the United Kingdom eSIM for mobile data, and do not re-register WhatsApp.
Is a United Kingdom eSIM cheaper than roaming?
Usually, for a trip of more than a day or two. US carriers charge $12 a day for roaming (AT&T International Day Pass, Verizon TravelPass, read 31 Oct 2026) where they cover the United Kingdom, so a week costs $84. Here 5 GB for 30 days is $4.29 in total.
How much is the United Kingdom eSIM?
From $2.39 in USD, and the price on this page is the price you pay. Sizes run from the 1 GB pack up; pick one in the list above.
When does the United Kingdom plan start?
First attach to a covered network. Install on Wi-Fi before you fly. After you land, turn data roaming on for this line.
Can I hotspot in United Kingdom?
Yes, it uses the same GB. We never block it; rarely, a local network limits it.
Which networks in United Kingdom?
EE + 3. Your phone joins whichever of these is strongest where you are.
Is this 5G in United Kingdom?
This pack runs on 3G/4G/5G. You get 5G where the local network offers it to visitors, otherwise 4G.
What APN do I use in United Kingdom?
Automatic unless the QR mail names one
Can I use this United Kingdom eSIM in another country?
No. This pack is United Kingdom. A new country is a new QR. Keep this one if you return.
Can I top up the United Kingdom plan?
Same profile, same coverage. Extra GB is a top-up, not a new QR.
How long do I have to install the United Kingdom eSIM?
Start using within 180 days of purchase. After that an unused pack can expire. Scan on Wi-Fi before you fly.
What if I buy the wrong plan?
QR not scanned and not on the phone? Email within 30 days of issue. We cancel and refund. Installed? Buy the right country and keep this QR for later.