Cheapest unlimited eSIM for Thailand? From €6.50 for 3 days (October 2026)

Roam2Go’s unlimited plan for Thailand starts from €2.50 for 1 day — unlimited data and no surprises on your bill. Whether you’re on a quick city break in Bangkok or spending two weeks island-hopping, there’s a plan to suit you.

Why choose an eSIM for Thailand?

Thailand is one of Asia’s most visited destinations, and connectivity is widely available: hotels, cafés and tourist areas usually offer WiFi, but when you’re on your way to a tucked-away temple or halfway through a tuk-tuk ride, you need your own data. An eSIM saves you hunting for SIM cards at the airport, negotiating in an unfamiliar language and paying unpredictable prices. You buy the plan from home, receive the QR code by email and, when you land at Suvarnabhumi or Don Mueang, you’re already connected.

What’s more, you lock in the price in euros before you leave. No currency conversions, no unexpected roaming charges and no hidden activation fees.

All Roam2Go plans for Thailand

Whether you need occasional data for Google Maps or continuous connectivity for a full week, here are all the available options:

Roam2Go prices updated on 19 October 2026. Prices may vary; always check the product page before purchasing.

Unlimited plans for 3, 5 and 7 days: which one suits you?

Roam2Go’s unlimited plans for Thailand are designed for travellers who don’t want to keep an eye on their data usage. Here’s a quick summary to help you choose:

Unlimited 3 days — €6.50

Ideal for short stays or long weekends in Bangkok or Phuket. If your trip is focused on a single destination and you’re out and about for long stretches of the day, this plan is usually more than enough for browsing, taking photos, using maps and sharing stories without any stress.

Unlimited 5 days — €9.99

The most balanced choice for the majority of travellers doing a classic route: Bangkok, Chiang Mai and an island. Five days of unlimited data for under €10 is a very comfortable option: you get high-speed data every day and, if you use it up, you stay connected at a reduced speed.

Unlimited 7 days — €13.99

For a full week of travel, this plan has you covered from your first day of arrival to your last. If you value being able to make video calls, upload content or work remotely for a few days, this is a good option. For 7 days there are two unlimited plans, each with its own daily allowance: 5 GB per day at normal speed, then 1 Mbps, or 1 GB per day at normal speed, then 5 Mbps. Neither is ever cut off and, on both, normal speed returns every 24 hours from activation (details in our terms).

If your trip lasts more than a week, the 8-day (€15.95), 10-day (€18.50), 15-day (€24.99), 20-day (€30.50) and 30-day (€36.99) unlimited plans or the GB plans valid for 30 days may be an interesting alternative depending on how you use your data.

View plans for Thailand →

How much data do you need in Thailand?

It really depends on how you travel. If you mainly use your phone for Google Maps, WhatsApp and looking up restaurants, a 3 GB or 5 GB plan over 30 days is usually plenty for a two-week stay with moderate usage. If, on the other hand, you stream a lot, upload videos or work remotely, an unlimited plan is far more reassuring.

A handy tip: WiFi at hotels and hostels in Thailand tends to work well during downtime. You’ll use mobile data mostly when you’re on the move — on transport, at markets, temples and beaches. With that in mind, the choice between a GB plan and an unlimited one comes down to how many hours a day you spend away from a WiFi connection.

If you’d like to understand how an eSIM works before you buy, you can read how an eSIM works to clear up the most common questions.

How to activate your eSIM for Thailand, step by step

The process is straightforward and done entirely from your own phone:

1. Purchase the plan from the Thailand page on Roam2Go.
2. You’ll receive an email with the QR code and activation instructions.
3. Go to your phone’s settings and add a new data plan by scanning the QR code.
4. Set the Roam2Go eSIM as your data line for use abroad.
5. When you land in Thailand, activate it and start browsing.

If you’d like a detailed walkthrough for your specific device, check out the guide on how to activate an eSIM on iPhone, step by step.

Important: your phone must be eSIM-compatible and unlocked. Most modern models are, but if you’re unsure, check your device’s specifications.

Frequently asked questions

Activate your eSIM for Thailand →

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