Airalo
Data packs for more than 200 countries and regions, with hotspot use allowed on most plans.
Best for: travellers who can estimate their data needs and want a low price per gigabyte.
Best travel eSIM 2026: comparison & destination guides
Travel eSIM comparison 2026: providers, prices and destination guides for Japan, the USA, Thailand, Turkey, Dubai and more. Honestly researched, checked regularly.
Contains affiliate links – how we work
What is a travel eSIM?
A digital SIM stored directly on your phone. No plastic card, no shop visit – installed in about five minutes via QR code or app.
Why it almost always pays off
Outside your home zone, roaming on your regular plan is often absurdly expensive. Depending on the country, a travel eSIM costs a fraction of that and runs alongside your home number without swapping SIMs.
How to go about it
- 1. Check that your phone is compatible
- 2. Read the guide for your destination
- 3. Install before you fly, activate on arrival day
Guides by destination
Concrete eSIM recommendations with current prices and network notes.
eSIM guide 7 October 2026
Best eSIM for the Balkans 2026: Kosovo, Serbia, Bosnia and more without bill shock
Balkan eSIMs for Kosovo, Serbia, Bosnia and more: the double roaming trap, which eSIMs really work there and prices compared (as of October 2026).
Read
eSIM guide 7 October 2026
Best eSIM for Dubai & the UAE 2026 – and why WhatsApp calls don't work
Dubai and UAE eSIMs compared: Airalo, Holafly and more – plus the truth about blocked WhatsApp calls and the legal alternative (as of October 2026).
Read
eSIM guide 7 October 2026
Best eSIM for Japan 2026: 5 providers compared
Airalo, Ubigi, Saily, Holafly and Nomad compared for Japan: current prices, network coverage and tips. Our pick by type of trip (as of October 2026).
Read
eSIM guide 7 October 2026
Best eSIM for Thailand 2026: local beats global
Thailand eSIM: local tourist eSIM from $9.99 vs Airalo and Holafly. All prices and networks compared (as of October 2026).
Read
eSIM guide 7 October 2026
Best eSIM for Turkey 2026: prices, networks & our pick
Turkey eSIMs compared: Airalo, Saily, Holafly & Yesim with current prices. No EU roaming, provider websites blocked in Turkey (as of October 2026).
Read
eSIM guide 7 October 2026
Best eSIM for the USA 2026: prices & providers compared
USA eSIMs compared: Saily, Airalo and Holafly with current prices. Our budget tip and our pick for unlimited data (as of October 2026).
Read
eSIM guide 7 October 2026
Turkey eSIM for long stays: mobile data for 4–8 weeks visiting family
Visiting family in Turkey for 4–8 weeks? Avoid the 120-day phone block, install your eSIM before you fly and compare prices (as of October 2026).
Read
eSIM guide 7 October 2026
Holafly discount code 2026: save 5% with HERMESINVEST
Holafly discount code for October 2026: HERMESINVEST takes 5% off all eSIMs (checked on 16 July 2026). Plus all current Holafly offers at a glance.
Read
eSIM guide 7 October 2026
Holafly Europe eSIM 2026: is unlimited worth it?
Holafly Europe eSIM: prices, fair use, hotspot rules and who unlimited data really pays off for – with honest sums (as of October 2026).
Read
eSIM guide 7 October 2026
How to set up an eSIM: step-by-step guide for iPhone & Android
Install and activate an eSIM in minutes: step-by-step guide for iPhone and Android, plus compatibility, dual SIM and common problems (as of October 2026).
Read
eSIM guide 7 October 2026
EU roaming from Switzerland 2026: how to avoid the cost trap
A Swiss mobile plan still means paying for roaming in the EU: Swisscom, Sunrise and Salt vs travel eSIMs, with concrete figures (as of October 2026).
Read
Providers at a glance
The four providers that appear most often in our guides.
Holafly
Unlimited data plans priced by the day, with 24/7 chat support. Hotspot use is capped on many plans.
Best for: heavy users who do not want to count gigabytes.
5% off with the code HERMESINVEST – last checked on 16 July 2026.
Saily
The travel eSIM from Nord Security, the company behind NordVPN. Low prices and a tidy app.
Best for: short trips and mid-sized data packs on a budget.
Nomad
Transparent pricing and strong regional bundles.
Best for: trips through several countries in one region.
Travel eSIM: frequently asked questions
What is an eSIM?
An eSIM is a digital SIM card stored directly in your device. Instead of inserting a plastic card, you load the mobile profile via QR code or app – in a few minutes and without visiting a shop.
Is my phone compatible?
All iPhones from the XS (2018) onwards and most Android phones released since 2020 support eSIMs. The device must not be locked to a carrier. If in doubt, check the provider's compatibility list.
When should I install the eSIM?
Ideally at home on Wi-Fi. Set the activation – and with it the start of the validity period – for your arrival day, so you are online as soon as you land.
Do I keep my number?
Yes. Modern smartphones support dual SIM: your home number stays active for WhatsApp, text-message codes and calls, while mobile data runs over the travel eSIM.
Is unlimited really unlimited?
Almost all providers slow the connection down once you pass a fair-use threshold. The exact limits are often not published – for normal travel use, an unlimited plan is practically always enough.