Top picks for London SIM card

Discover 23 SIM card in London on Trip.com, updated April 17, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From AUD 0.12 per person, with an average total of AUD 4.49. Choose the option that suits your plan.

With 42.5k verified reviews, SIM card London boast an average rating of 4.5.

This week's most popular SIM card: "Global (66 countries) | 5G/4G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code", with 22.012k reviews and a 4.4 rating.

The next available day tour departs on April 18, 2026. Book now to secure your spot!

London SIM card usually take about 1 hours — perfect for a relaxed, immersive experience!

April is the perfect time to visit London! Choose from SIM card available day tours, including seasonal favorites like Global (66 countries) | 5G/4G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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23 results for London SIM card

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Reviews/Trip Moments

Reviews: Europe 5G/4G eSIM | DayPass /Total | 500MB/day-total 50GB | 1-30 days | 24-hour billing | QR code
Guest User2026-04-17
It worked perfectly in Budapest and at the new Istanbul airport. The signal was strong and never dropped. It was easy to install using a QR code. It also worked immediately in roaming, without having to reboot the phone, as happened with other e-SIM cards. One downside: the signal suddenly dropped on the sixth day. I fixed it by toggling the e-SIM settings. It's not a big deal. I recommend it.
Reviews: Europe 4G/5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code
Guest User2026-04-17
I used this eSIM for my trip to Greece. Setup was very easy with the QR code and it started working shortly after arrival. It’s data-only, so I used apps like WhatsApp for calls and messages without any issues. One small thing I noticed was a slight extra charge (around $0.2) on my card for a low-value transaction, probably due to currency conversion, but overall the service worked well.
Reviews: United Kingdom 5G eSIM | Daily data plan | 1–30 days | 24-hour billing | QR code
Guest User2026-04-08
I really appreciated the staff's service, and it's close to the British Museum, about a 15-minute walk. It's a great location, incredibly clean, and I tried the breakfast buffet, which was very good, offering the basics but still quite nice.
Reviews: United Kingdom 5G eSIM | Dual Network Coverage | Full AI & TikTok Access | 1–30 Days | QR Code
Guest User2026-03-27
i bought 3 passes for all the parties travelling alongside, all reporting good speeds. sometimes signal reception is lower than what we are used to but overall pretty good
Reviews: European 41-Country eSIM | Supports TikTok & ChatGPT | 5G/4G Networks | Day Pass/Total Data | 1–90 days | Calendar Day Billing | QR code
Guest User2026-04-17
I bought this eSIM for my friend traveling to Kali Limenes. It’s a data-only plan (no calls or SMS), which was fine since he mainly needed internet for maps and messaging apps. Activation was simple using the QR code, and it started working shortly after landing. The speed was stable for browsing and WhatsApp calls. Overall, a very convenient option.
Reviews: UK eSIM | 5G/4G | Daily/Total Data Package | 1–30 days | 24-Hour Billing | QR code
Guest User2026-02-27
eSIM was easy to install. What an excellent price signal was perfect throughout my travel would definitely recommend.