Cellesim
🇪🇸 Spain ✈️ Thailand 🇹🇭

Stay Connected in Thailand.
No Roaming Fees.

Flying from Madrid or Barcelona to Bangkok is an adventure — high phone bills shouldn't be part of it.

Whether you're exploring temples in Chiang Mai, relaxing on Phuket beaches, or navigating Bangkok traffic, you need reliable data. Roaming with Spanish providers (Movistar, Orange, Vodafone) outside the EU is extremely costly.

That’s why Spanish travelers choose a Thailand travel eSIM — installed before departure and ready the moment you land.

Get Your Thailand eSIM Now
Wat Arun Temple in Bangkok

Status

Connected in Bangkok

出発前にWi-FiでeSIMをインストールしてください。プランの利用開始条件を確認しましょう。インストールと利用開始は同じとは限りません。通信速度は場所、端末、プランによって異なります。

Smart Travel Tools

Plan your data needs before you fly. Use our smart tools to optimize your connectivity budget.

Device Checker

Check if your phone supports eSIM technology instantly.

Setup Guide

Interactive step-by-step guide to install your eSIM.

Roaming Calculator

See how much you save vs. Spanish carriers (Movistar, Orange, Vodafone).

Data Calculator

Estimate exactly how many GBs you need for your trip.

Where Will You Need Internet in Thailand?

Where Spanish Travelers Use Data Most

Bangkok

Essential for booking Grab/Tuk-tuks, finding street food, and translating menus.

Phuket & Krabi

Stay connected while island hopping, booking boat tours, and sharing sunset photos.

Chiang Mai

Reliable connection for visiting Elephant Sanctuaries and navigating the night markets.

Why Roaming from Spain Can Cost You a Fortune

The Problems:

Not in EU Zone: Thailand is outside the EU roaming agreements. It's usually Zone 2 or 3.
Expensive Data: Spanish carriers like Movistar and Vodafone charge high rates per MB or day pass.
Bill Shock:—
—

A Cellesim eSIM avoids this.

Why Choose Cellesim for Thailand?

See how we compare to other providers.

プラン一覧でデータ容量、有効期間、プラン全体の料金を比較してください。購入前に対象エリア、テザリング、公正利用の条件を確認してください。

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Get Online in 3 Simple Steps

1

Buy Before You Fly

Choose your Thailand data plan while still in Spain. It takes less than 2 minutes.

2

Scan QR Code

Check your email. Scan the QR code. The eSIM installs automatically on your iPhone or Android.

3

Land & Connect

Turn on "Data Roaming" for Cellesim when you land in Thailand. You are online instantly!

No physical SIM card needed. Keep your Spanish SIM safe.

Recommended eSIM for Travelers from Spain to Thailand

High speed 5G data, reliable coverage, and zero hidden fees. Perfect for holidays and backpacking.

Thailand Travel Starter

Best Choice for Short Trips

¥432 Instant Delivery
1 GB
Data
7 Days
Validity
5G
Speed
  • Instant activation
  • AIS & DTAC Coverage
  • Works in Bangkok, Phuket, Islands
  • Keep Spanish Number Active
Buy Travel eSIM for Thailand

Can I Use WhatsApp?

Absolutely.

  • WhatsApp works seamlessly with your Spanish number (+34).
  • iMessage & FaceTime work as usual.
  • Your Spanish number remains active for bank OTPs and calls.

Will It Work at the Airport?

Yes — instantly.

Your eSIM connects as soon as you land. Skip the expensive airport SIM kiosks.

Works perfectly at:

  • Suvarnabhumi (BKK)
  • Don Mueang (DMK)
  • Phuket (HKT)
  • Chiang Mai (CNX)

Trusted by 50,000+ Travelers

See what travelers from Spain say about Cellesim Thailand.

"Movistar charges a fortune for roaming in Asia. Cellesim was perfect for my trip to Phuket. Maps worked great."

MG

Maria G.

Madrid, ES

"Very easy to install. I landed in Bangkok, activated roaming, and I was online immediately. No hassle."

AR

Alejandro R.

Barcelona, ES

"Excellent connection on the islands. I could video call my family in Valencia without any lag."

SL

Sofia L.

Valencia, ES

"Much cheaper than Vodafone's world pass. Highly recommended for anyone going to Thailand."

CM

Carlos M.

Seville, ES

Common Questions

Frequently asked by our Spanish customers

Generally, NO. Thailand is outside the EU roaming zone. Most Spanish operators charge high fees per MB or require expensive daily passes. Cellesim offers a much cheaper alternative.
Yes. You can keep your Spanish SIM card active for calls and SMS (to receive Banking OTPs). WhatsApp will continue to use your Spanish number while using Cellesim data.
No. Unlike buying a physical SIM card at a shop in Thailand which often requires passport registration, Cellesim eSIMs are hassle-free. Just scan and go.
We recommend installing the eSIM at home in Spain (while you have WiFi). The data plan will not start until you actually connect to a network in Thailand. So you lose no days by installing early.

All Thailand Plans

View all data options & prices

Spanish Traveler Guide

Tips for your Thailand Trip

Traveling Asia?

Check Asia eSIM Plans

Ready for your trip?

Don't waste time at the airport. Get connected instantly and enjoy your holiday.

Get Connected Now