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eSIMFLAG review: Plans, coverage, and pricing breakdown

Check out our eSIMFLAG review to get an honest look at its plans, coverage, and costs — and see if it suits your travel needs.

eSIMFLAG is a relatively new international travel eSIM brand launched by Telefónica, one of the world’s leading telecom companies. It is Telefonica’s attempt to enter the travel eSIM market.

This eSIMFLAG review covers its plans, coverage, and pricing to help you decide if this provider is the right choice for your travels. We’ll also compare it to Holafly, known for offering flexible unlimited data plans and 24/7 support in over 200 destinations.

Disclaimer: The data in this article is accurate as of June 17, 2025, and is subject to change.

In this article

What is eSIMFLAG?

Before diving into the details, let’s start this eSIMFLAG review with an overview of what the brand offers and how it works. eSIMFLAG is an eSIM service offering data plans for international travelers. It covers over 200 destinations worldwide and is backed by 24/7 customer support. Launched by Telefónica, eSIMFLAG benefits from the support of a major, reputable telecom company.

Pricing and plans

eSIMFLAG offers data-only, unlimited plans for travelers who prefer hassle-free, high-volume connectivity. These plans are flexible, allowing for durations ranging from just one day up to 30 days. You can also purchase up to 10 eSIMs in a single order, making it convenient for groups or families traveling together.

eSIMFLAG supports tethering and mobile hotspot sharing on compatible devices. Prices start at around $3.40 per day of unlimited data.

Source: eSIMFLAG

Single-country eSIM plans

Single-country plans are ideal for travelers who spend most of their trip in one location. Here are some examples of eSIMFLAG’s pricing in popular countries:

Country	Data	Number of people	Price
Australia	Unlimited	1	$3.70/day
China	Unlimited	1	$3.70/day
France	Unlimited	1	$3.40/day
Bahamas	Unlimited	1	$5.70/day
India	Unlimited	1	From $4.55/day

Regional plans

Unlike single-country plans, regional plans are designed for travelers moving across multiple countries within a region. For those moving through the European Union, eSIMFLAG offers an EU-wide unlimited data plan that costs $3.70 per person per day.

Coverage

eSIMFLAG covers more than 200 destinations worldwide, including popular countries in North and South America, Europe, Asia, Africa, and Oceania.

As noted above, eSIMFLAG currently offers only one regional plan covering a number of European countries. These include Germany, Austria, Belgium, Bulgaria, Croatia, Denmark, Slovakia, Slovenia, Spain, Estonia, France, Greece, Netherlands, Hungary, Ireland, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Norway, Poland, Portugal, Czech Republic, Romania, and Sweden.

Refund policy

You can request a refund from eSIMFLAG if:

You haven’t activated your eSIM yet.
You’ve changed your mind about your trip.
Your device isn’t compatible.
You ran into a technical issue that stopped you from using the service.

To get a refund, just reach out via WhatsApp or the web chat. When you start the chat, choose “I am already a customer,” then select “Request a refund.” An agent will be there to help you out. You’ll just need to share your email, order number, and the reason for the refund.

Once they approve it, the money will go back to the same card or payment method you used. Usually, you’ll see the refund within five to 10 working days.

Customer support

eSIMFLAG offers support mainly through 24/7 live chat and WhatsApp, making it easy to get help when you need it. Support availability and response times can vary, but most users find these channels helpful for resolving issues or getting answers.

Is eSIMFLAG worth it?

Based on our eSIMFLAG review, it’s clear that the brand is a solid option for travelers needing unlimited data, especially since it’s backed by a major telecom. Its plans are competitive, particularly if you’re looking for flat-rate, high-volume data without any unexpected charges.

However, as a relatively new brand, eSIMFLAG is still in the process of developing its features and expanding its offerings.

Here’s a quick overview of the main pros and cons to help you decide if the eSIMFLAG eSIM is a good fit for your trip.

Pros	Cons
Wide coverage in 200+ destinations	No voice or SMS services included
Unlimited plans	Only one regional plan
Can purchase up to 10 eSIMs in a single order	No global plans
Support for hotspot sharing

Get unlimited travel data with Holafly

For travelers who value regional and global unlimited plans, as well as longer plan durations of up to 90 days, Holafly could be a better choice.

Holafly is a well-established provider with many years of experience and is used by hundreds of thousands of people worldwide. It also offers 24/7 customer support, helping to provide extra peace of mind for travelers.