Pocket Wi-Fi in London: Rental Costs, Heathrow Pickup and the eSIM Option

Traveling with one or two unlocked phones? A HelloRoam London eSIM skips the pickup and the post box: you install it at home, so maps and ride apps have data from the moment you land.

We read every price and rule in this guide on November 3 and 4, 2026. Our sources are the rental sellers' own pages and Transport for London's, Heathrow's and our own plan pages. We haven't rented these hotspots ourselves, so battery and device figures are the sellers' own.

London pocket Wi-Fi rentals compared for a 7-day trip

This table sets a 7-day rental side by side, from each seller's own pages. Prices are in pounds or euros, the way each seller lists them.

Get your UK eSIM before you flyInstall it at home, then turn on data roaming for it when you land. From $2.84.See UK plans

Two of these sellers are one company. Airport Wifi Hire and Travel Wifi Router both name Lime Enterprise, company number 07632577, in their rental terms. Wifi Hire, a third site that shows up in searches for portable Wi-Fi in London, names it in its footer. Companies House lists Lime Enterprise Ltd under that number as an active UK company. So you're choosing a pickup option, not comparing rival firms.

Watch Hippocket's headline price. Its London page advertises pocket Wi-Fi from €3.95 a day, but on November 3, 2026, its pricing page gave that rate only to its France-only 4G hotspot with 1GB a day, rented for 14 days or more. A London trip needs its Europe hotspot, which cost €6.95 a day with 1GB a day or €8.95 a day unlimited on a 6- to 9-day rental.

All three sell unlimited data under a fair-use policy. Travel Wifi Router's terms set a 600GB monthly cap. Hippocket says operators may slow a Europe plan that goes past 10GB a day for more than 5 days in a row. Thinking of buying a hotspot instead of renting one? Our guide to portable hotspot devices and plans compares models and prices.

Heathrow pickup opens at 9 AM, and returns go in a street post box

Airport Wifi Hire and Travel Wifi Router hold your hotspot at the Post Office inside WHSmith in the Terminal 3 or Terminal 5 departures hall, before security. You show photo ID and ask for the package in your name.

Book at least 3 business days ahead, as both sellers' Heathrow pages ask, though some of their pages and Airport Wifi Hire's FAQ say 2. The counter opens at 9 AM. Both product pages say it closes at 5 PM, but Airport Wifi Hire's delivery page says 4:30 PM. Travel Wifi Router's pages also say those hours exclude public holidays, so confirm the hours when you book. Land before 9 AM and you'll wait, or head into London without it.

Heathrow has free Wi-Fi in every terminal, so you can message your hotel while you wait. Pick Heathrow Wi-Fi on your phone and register to start using it.

Rent 'n Connect hands over in person instead. Its FAQ lists a meeting point at arrivals in Terminals 2, 3, 4 and 5. Its staff collect the device in your airline's check-in area when you fly home. You phone one of its UK numbers 15 minutes before each handover, so plan how you'll make that call.

Returns are where the fine print bites. The Lime brands' prepaid label works in any UK post box. But they warn that post boxes at the airport take only flat envelopes, so the package won't fit. Mail it from a street post box or a post office before you leave for Heathrow. A late return costs at least £10 a day, and Airport Wifi Hire adds an admin charge.

Hippocket's prepaid envelope goes in a post box in the country you pick, at €15 to €20 from the UK or the US. Its terms say the envelope works only from the country printed on its back, and the return must be postmarked by the next business day after your rental ends.

Shipping a pocket Wi-Fi to your US home adds customs risk and an adapter

Of the three sellers in the table, only Hippocket ships to a US address before you fly. Standard delivery to the US takes 6 business days and costs €10, so order early and the hotspot can be in your bag when you board.

Its terms of sale add a catch. They say US deliveries are subject to any applicable US customs duties, taxes and fees on arrival. Those charges aren't in the checkout price, and the customer pays them. Hippocket also places a €150 authorization on your card for a 4G hotspot when you book.

Pack a plug adapter too. Hippocket's kit comes with an EU wall charger, and the company says you'll need a travel adapter in the UK, which it doesn't provide. The Lime brands include a wall plug with their UK hotspots.

Pocket Wi-Fi vs an eSIM in London: pickup, battery and sharing

A pocket Wi-Fi and a travel eSIM both get you UK mobile data. The difference is the hardware you carry, charge and send back.

Visit London's guide to getting online calls a mobile Wi-Fi device "a great option for big groups, families or people with multiple devices." That holds when the group sticks together. One £40 hotspot covers everyone within range, and Airport Wifi Hire says a phone locked to its home carrier can still join it.

A travel eSIM fits better if you travel solo or as a couple, land before the pickup counter opens, or plan to split up during the day. First check that your phone supports eSIM. On an iPhone, Apple's guide to travel eSIMs says the phone can't be locked to a carrier. Look for "No SIM Restrictions" next to Carrier Lock under Settings > General > About.

Your phone can also do the hotspot's job for a laptop or tablet. On an iPhone, open Settings, tap Personal Hotspot and turn on Allow Others to Join. Android's hotspot help page says you can share with up to 10 other devices, and that some carriers limit or charge extra for tethering.

Every device you add draws on the same data, so estimate your trip's data needs before you pick a plan size.

Whichever you choose, your US line can still roam. If its data roaming stays on, your phone can fall back to your US plan when you walk out of the hotspot's range. If you carry only a pocket Wi-Fi and no travel eSIM, you can stop that: on an iPhone, Apple says to open Settings, tap Cellular, then Cellular Data Options, and turn off Data Roaming. If your AT&T line has International Day Pass, AT&T says the first data use, text or call in an included destination starts a 24-hour charge. Our breakdown of what AT&T's International Day Pass costs has the details.

HelloRoam's London eSIM: networks, hotspot sharing and setup

As of November 4, 2026, our London plan page and our plan catalog list EE and Three as the networks our London eSIM uses. Networks can change, so the plan page shows the current pair. You can share the plan's data with a laptop or tablet through your phone's hotspot at no extra cost. The plan's days start when the eSIM first connects to a network in the UK.

Install it at home, since Apple says an iPhone needs Wi-Fi to set up an eSIM. Forgot? Heathrow's free Wi-Fi works for that too. Our plans are data only: our terms say they don't support calls, texts or emergency calls, so keep your US line for those.

Adding Paris to the trip? Our Europe data plan covers the UK and France on one eSIM. Lime's UK hotspots stay in the UK, and Travel Wifi Router rents a separate Europe and UK hotspot at £45 for 7 days. Heading on to Edinburgh instead? Our UK data plans run on the same two networks.

HelloRoam sells travel eSIMs, so this comparison isn't neutral. Our editorial policy explains how we handle conflicts of interest, and we've kept the cases above where a pocket Wi-Fi is the better buy.