Roaming in Thailand: True Costs and Alternatives
Simon Muller
Posted on July 11, 2026

Roaming in Thailand: True Costs and Alternatives
You land in Bangkok and turn off airplane mode. Your French SIM automatically connects to a local Thai network. A text message arrives warning you about out-of-plan data charges. If you ignore this message and open your apps, your next phone bill will skyrocket. Standard roaming outside Europe with French carriers is notoriously expensive. Thailand is no exception.
A single day of standard data usage can cost you hundreds of euros. Carriers rely on these out-of-plan fees. GoMoWorld offers a different approach. You pay €10.99 for 15GB of data tailored to Thailand. You keep your home number. You avoid surprise charges completely.
Roaming Prices in Thailand
Standard French mobile plans do not include free data in Thailand. You pay per megabyte. This standard pay-as-you-go rate burns through your travel budget in minutes. Opening a single video on social media can cost you several euros. Background app refreshes alone will drain your money before you even leave Suvarnabhumi Airport.
Your French carrier offers a specific add-on for Asia to mitigate this. The Travel Pack (Pack Séjour) covers destinations like Thailand, Tibet, and Vietnam. It costs €35 and lasts for 30 days. This pack gives you a limited allowance of data, calls, and SMS.
Once you exhaust this specific allowance, you fall back to standard out-of-plan rates. There is no hard cap to stop your spending unless you manually block roaming in your customer account. To understand the baseline of these fees, review how home carrier roaming works and other global options.
You keep your French number active with your home carrier. This is practical for receiving bank confirmation texts. However, relying on your home carrier for daily internet access in Southeast Asia remains a premium service. You pay a high upfront cost for a small amount of data.
What It Actually Costs for a Trip

Let us look at a standard 15-day trip to Thailand. You start in Bangkok, travel north to Chiang Mai, and finish on the beaches of Phuket. You need internet access every single day. You use the Grab app to book taxis. You load Google Maps to find temples and street food stalls. You check Agoda for your hotel reservations. You translate menus and upload photos to family groups.
These actions consume gigabytes of data. Relying on standard roaming without a pack is financial suicide. A few gigabytes will cost hundreds of euros on a pay-as-you-go basis. A 20-minute video call will drain your wallet instantly.
If you buy the Travel Pack, you pay €35 upfront. You get a strict data limit. If you stream video or use heavy navigation, you might empty this pack in a week. Once it is empty, you are back to paying per megabyte. The situation is identical when you check roaming charges in Thailand for other carriers. You will find similar restrictions when researching other roaming options in Thailand.
With GoMoWorld, you pay €10.99 for 15GB of 4G data valid for 15 days. You know exactly what you spend. You install the app before your flight. You buy the plan. It never expires until you activate it. When you land, you open the app and tap "Start". There is no auto-activation. There are no surprise overage fees. You pay upfront and control your budget.
Comparison Table: Carriers vs. GoMoWorld in Thailand
How do French carriers stack up against standard options and GoMoWorld? Here is a direct breakdown of estimated costs for data access in Thailand.
Carrier pricing models for international zones rarely favor the traveler. This carrier logic applies everywhere, whether you look at roaming charges in Argentina or other zones. The fees remain high even when checking roaming costs in Brazil. Traditional carriers charge a premium for global data access.
| Carrier | Thailand Roaming Option | Estimated Price |
|---|---|---|
| Major French carrier | Pack Séjour (Asia) | €35.00 |
| Other French carrier | Pass Internet Voyage | ~€30.00 |
| Budget MVNO | Pay-as-you-go / Standard | Variable / High |
| GoMoWorld eSIM | 15GB data (15 days) | €10.99 |
The numbers speak for themselves. A dedicated travel eSIM cuts your connectivity budget by more than half. You get more data for less money.
Alternatives to Roaming in Thailand

You have three main options to avoid a massive roaming bill in Thailand.
1. Rely on Public Wi-Fi Hotels, cafes, and malls in Bangkok offer free Wi-Fi. This method costs nothing. However, you lose your connection the moment you step onto the street. You cannot order a taxi or check a map on the go. Public networks also expose your device to security risks.
2. Buy a Local Thai SIM Card You can buy a local physical SIM at the airport. Providers like AIS, TrueMove, and dtac offer tourist plans. You must wait in line at a kiosk. You hand over your passport for registration. The vendor physically removes your French SIM card. You must keep this tiny piece of plastic safe for your entire trip. You get a Thai phone number. Your friends cannot reach you on your standard number. You miss important SMS messages from your bank.
3. Use a GoMoWorld eSIM This is the most efficient approach. You download the GoMoWorld app on your iOS or Android device. You select Thailand. You choose a plan that fits your trip:
- 4GB for 7 days at €3.99
- 15GB for 15 days at €10.99
- 50GB for 30 days at €19.99
The setup happens entirely within the app. You do not scan any QR code. You buy the plan today. It stays in your account indefinitely because unactivated plans never expire.
When you arrive in Thailand, you open the GoMoWorld app and tap "Start" to activate your connection manually. GoMoWorld provides a data-only service. You keep your French SIM active inside your phone for calls and texts, but you disable its data roaming in your settings. You get fast 4G or 5G internet. You can even share your connection with travel partners because hotspot functionality is included on all plans. Get your eSIM for Thailand →
FAQ
Does my standard French plan work in Thailand?
Your standard French plan connects to Thai networks, but it incurs extreme out-of-plan charges for data, calls, and SMS. Thailand is not included in standard European roaming zones. You must purchase a specific Travel Pack to control your spending.
How do I avoid roaming charges in Thailand?
Turn off data roaming for your French line in your phone settings before your plane lands. Use a GoMoWorld eSIM for your internet needs. This gives you a local data allowance without triggering your carrier's daily out-of-plan fees.
Can I keep my French number with GoMoWorld?
Yes. GoMoWorld provides a data-only connection. Your French SIM remains active in the background. You can still receive important SMS messages on your French number while using GoMoWorld data to browse the internet.
How do I activate the GoMoWorld eSIM?
Download the GoMoWorld app and purchase your Thailand plan. The installation is entirely app-based, with no QR code required. Once you land in Thailand, open the app and tap "Start" to manually activate your data connection.
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