Best eSIM for Europe, Asia and the US compared

There is no single best eSIM for a trip that crosses Europe, Asia and the US. The choice comes down to how many regions you touch and how long you stay in each. One multi-region or global data eSIM is the simplest option: you install it before you fly, it connects when you land, and you do not queue in an airport shop. The trade-off is price per gigabyte, which is usually higher than a single-country plan.

If you spend two weeks or more in one region, buy a regional eSIM for that area and a second one only if you cross into another. If you stay a month or more in one country, a local prepaid SIM from a street shop or airport counter is often cheaper per gigabyte, though it means a queue, ID checks and a new number.

Keep your home SIM in the phone for calls, texts and one-time codes, and run the eSIM alongside it as a second line. That combination covers almost every trip.

This applies to travellers with an eSIM-capable, carrier-unlocked phone who want data on arrival without hunting for a SIM shop. It fits multi-country itineraries, short city breaks and anyone who needs maps, ride-hailing and messaging from the moment they land.

It does not fit every case. If your phone is locked to a carrier, or is an older model without eSIM support, a physical SIM is the only route. If you need a local phone number for calls, deliveries or local apps, a prepaid SIM with a number is simpler. If your home carrier already includes roaming in the countries you are visiting, check that first: it may cost nothing extra.

Business travellers who need their home number for calls should keep the home SIM active and add the eSIM as a data-only second line.

Buy the plan online before you fly, from the provider's site or app. You get a QR code or an in-app install. Install it while you still have reliable Wi-Fi at home or at the airport, then leave the line switched off until you land.

On landing, turn the eSIM line on and set it as the line for mobile data. Turn on data roaming for that line only; travel eSIMs often need it even though you are not roaming in the usual sense. Keep your home SIM on for calls and texts, but set it so it does not use data.

If the eSIM does not connect, restart the phone, check the data line is set to the eSIM, and confirm roaming is on for that line. Most issues are one of those three settings.

Prices vary by provider, region and data amount. As a rough guide for 2026, a regional data eSIM for Europe or Asia runs about US$5–15 for 5–10 GB, and a global or multi-region plan about US$20–40 for 10–20 GB. Single-country plans are cheaper, often US$3–10 for 5–10 GB. Treat these as bands, not quotes: check the provider's current price before buying.

Setup takes 10–20 minutes if you do it before you fly. Buying at the airport adds a queue and sometimes a markup. Local prepaid SIMs can take 20–60 minutes in a shop, including ID checks in some countries.

Data-only eSIMs usually do not include a phone number, so calls and texts go over apps or your home SIM. If you need a local number, factor in a prepaid SIM instead.

Not every country is covered by every global plan. Check the coverage list for each country on your route, especially for smaller destinations in Asia. Some plans exclude certain territories or treat them as separate regions.

Some eSIMs are data-only and cannot receive SMS, which matters if a bank or app sends a one-time code to your home number. Keep your home SIM active for those codes, or set up app-based authentication before you travel.

A few countries require ID registration for any SIM, including some eSIMs. Check the provider's requirements before you buy.

If you tether a lot or stream video, data runs out faster than you expect. A 5 GB plan can disappear in a few days of heavy use; 10–20 GB is safer for a multi-week trip.

Use this table to pick by trip shape. The right answer changes with the number of regions, the length of stay and whether you need a local number.