Roaming or eSIM: How Much You Really Save in Turkey, Thailand, Egypt and the UAE

Roaming through your home carrier is almost always more expensive than a travel eSIM, and the gap is usually measured in multiples, not percent. The reason is how the market works: your carrier has no network in Turkey or Thailand, so it buys traffic from a local partner and resells it with a markup, while an eSIM service buys gigabytes wholesale from several networks at once. Below are eSIM prices for seven popular destinations, a formula for your own trip, the hidden costs of roaming and an honest list of cases where roaming is still the better choice.

Where the price gap comes from

When you switch on roaming with your home SIM, your carrier does not serve you itself. It buys minutes and megabytes from a partner in the country you are visiting at wholesale rates, adds its markup and billing costs, and packages everything into an "internet abroad" pass with a daily fee. The farther the country and the fewer partners your carrier has there, the higher the price.

A travel eSIM works differently. The service negotiates with several local networks in advance, buys traffic in bulk and sells fixed packages: 1 GB for 7 days, 5 GB for 30 days and so on. You pay for data, not per day, and you know the price before you fly. Technically it is still roaming, so Data Roaming must be switched on for the eSIM line; the details are in how eSIM works.

eSIM prices for popular destinations

eSIM SOS prices as of 4 September 2026, in US dollars:

The catalog updates automatically, so the exact prices are always on the country page.

For comparison: daily roaming passes from most home carriers cost several dollars a day for a limited allowance, and a week in Turkey or Thailand comes to $20–60. Without a pass, traffic is billed per megabyte, and then a single map download and a couple of videos in a messenger can cost more than an entire eSIM package. Roaming prices change often; check your carrier's site before the trip.

How to work out the difference for your trip

1. Decide how much data you need. A week without video: 3–5 GB. With video, stories and tethering: 1–2 GB a day, so 10 GB for the week.
2. Look up your carrier's roaming price for the destination: multiply the daily pass by the number of days and check whether the included allowance covers you. If not, add the top-up cost.
3. Find an eSIM package for the same amount and duration on the country page and compare.

Example, a week in Turkey with 5 GB: an eSIM costs about $6.80 against $20–60 for seven days of roaming passes. That is $15–55 saved per person; for a family of three with three phones, triple that.

Example, a week in the UAE: an eSIM costs about $16 for 5 GB. The Emirates are expensive for everyone and roaming there is among the priciest, so the absolute saving is usually larger than in Turkey even though the eSIM itself costs more.

Hidden roaming costs that eSIMs do not have

• Background traffic. App updates, photo backups, email and messengers use data even when you are not touching the phone. In roaming without a pass every megabyte costs money.
• Daily billing. Passes are charged per calendar day in the carrier's home time zone. One connection at 23:50 and one at 00:10 can cost two days.
• The first megabyte before the pass kicks in. If the pass is not enabled automatically, the first megabytes after landing are billed at the base rate.
• Speed limits. Some roaming passes throttle speed after a few hundred megabytes a day.
• Hard to track. Usage is visible only in the carrier's app, which itself needs internet. With an eSIM the package size is known in advance and the phone's per-line statistics show consumption.

Where the gap is biggest

The largest gap is in far-away destinations where home carriers have few partners and high wholesale rates: Thailand, Indonesia, China, the UAE, Egypt. Turkey stands apart: it is a mass destination, eSIMs there are among the cheapest in the world, and the gap versus roaming reaches five to ten times. The smallest gap is in neighbouring countries for which some carriers sell cheap roaming bundles; there it pays to do the arithmetic each time.

When roaming is still more convenient

• A one- or two-day trip with minimal traffic: a map to the hotel and a couple of messages. A daily pass may cost less than an eSIM package, and there is no profile to set up.
• A layover of a few hours in a third country your eSIM does not cover.
• You need your own number for outgoing calls over the regular phone network rather than messengers.
• Your phone does not support eSIM. Then the choice is between roaming and a local physical card; see eSIM vs. physical SIM.

What the comparison leaves out

A travel eSIM covers mobile data only. Calls and texts over the regular network go through your home SIM at roaming rates: incoming ones are free or cheap with most carriers, and outgoing ones are better made through WhatsApp and Telegram over the eSIM's data. If you need to receive calls from local contacts on a local number, a travel eSIM will not do that; you would need a local SIM card.

How to set up the phone so roaming is never charged by accident

1. For the home SIM, switch off Mobile Data and Data Roaming.
2. For the eSIM line, switch both on and assign it to mobile data.
3. Keep calls and texts on the home SIM by default.
4. After landing, check in the status bar that data is flowing through the eSIM line.

The step-by-step guide for iPhone and Android is in how to activate an eSIM abroad.

Bottom line

For most tourist trips with active internet use, an eSIM is several times cheaper than roaming: a week in Turkey with 5 GB costs about $6.80 instead of tens of dollars, Thailand and China about $7.50, the UAE about $16. Roaming makes sense for a day or two, on layovers and when you need your own number for calls. Work out the exact figure for your trip with the formula above and check prices on the destination page, for example eSIM for Turkey or eSIM for Thailand: international cards are accepted in US dollars and the QR code arrives in two minutes.