JamboSim eSIM United Kingdom 2026: Cheap Data Plans & Prices

The cheapest JamboSim eSIM for the United Kingdom costs $1.99 and gives you 300 MB for 3 days. It's the global eSIM, which also works in other countries. We recheck prices daily, so this price is up to date. You can buy it on the official JamboSim site.

Yes, JamboSim works in the United Kingdom on its UK-only plans and on its global eSIMs. If your eSIM is installed but won't connect after you land, open your phone's settings and turn on data roaming for it. Your home SIM can stay as it is.

For the United Kingdom alone, these are JamboSim's lowest prices by trip length:

• 7 days: $2.99 for 1 GB
• 15 days: $3.99 for 2 GB
• 30 days: $3.99 for 3 GB

Yes, JamboSim has 6 unlimited plans for the United Kingdom, ranging from $6.99 for 3 days to $34.99 for 30 days. A week without a data cap costs $10.99. You get up to 3 GB a day at full speed, then around 1 Mbps until midnight local time.

JamboSim is an eSIM store for travelers, with plans covering 204 destinations. On Trustpilot, 32 people have rated it 4.0 out of 5. If you want prices for other countries and the full verdict, read the JamboSim eSIM review.

With JamboSim, 1 GB in the United Kingdom can cost as little as $0.64, on the plan with 50 GB for 30 days.

Yes, every JamboSim plan, unlimited ones included, lets you share data through a personal hotspot with no restrictions.

Yes, JamboSim has Voice & SMS plans for the United Kingdom with a local phone number, minutes and texts. Its other plans are data only, so check the plan details before you buy.

Yes, you can buy it weeks ahead and install it at home. The days start only when your phone first connects to a network in the United Kingdom, not when you buy or install it.

Yes, where the carrier supports it, you can top up in the JamboSim app or on the website under My eSIMs. A top-up doesn't add to the days you have left: it starts its own days when it's activated.

Yes, JamboSim has 18 global plans. These keep you online as you cross borders. But if you're only going to the United Kingdom, a UK-only plan costs less. For example, 10 GB for 30 days is $6.99 on the UK eSIM and $25.99 on the global one.