Thailand Cambodia Laos Vietnam eSIM by Vietnamesim.com

Thailand Cambodia Laos Vietnam eSIM

Check compatibilty
Enter your phone model
  • Data: Daily 500MB – Daily 2GB high-speed data 5G/4G/LTE
  • Validity: 8/12/15/30 days
  • Coverage: Thailand, Cambodia, Laos, Vietnam
  • Network operator: Truemove, CamGSM, LTC, Viettel, Vinaphone (VNPT), MobiFone
  • Phone number: No
  • Delivery: Immediate, via email, after order checkout
  • Hotspot/Tethering: Yes

$16.50 – $94.50

Secure payment guaranteed

Thailand Cambodia Laos Vietnam eSIM

One eSIM, Four Countries – Seamless 5G/4G Data

Experience seamless 5G/4G data across 4 Southeast Asian countries with our Thailand Cambodia Laos Vietnam eSIM – from the bustling streets of Bangkok to the serene temples of Luang Prabang, the majestic Angkor Wat, and the vibrant cities of Hanoi and Ho Chi Minh. Your eSIM is delivered instantly via email and ready to activate in minutes. No physical SIM, no hassle. Powered by top networks in all four countries: Truemove CamGSM – LTC – Viettel/Vinaphone/MobiFone.

  • Your plan renews automatically every 24 hours – no need to top-up for more data.
  • Seamless connectivity as you cross borders between four countries
  • Perfect for multi-country tours, backpacking adventures, or business travel.

What you can expect

#1 Multi-Country Coverage

Enjoy seamless connectivity as you travel across Thailand, Cambodia, Laos, and Vietnam – no SIM swap.

Instant activation

Get your mobile data working in just a few minutes, ready for all four countries.

Keep number

Continue using your current number while enjoying our eSIM data.

Zero roaming fees

Everything paid upfront, zero hidden fees or international roaming costs.

Thailand Cambodia Laos Vietnam eSIM by Vietnamesim.com

One eSIM – Explore 4 countries – Instant, reliable connectivity

Ready to embark on an unforgettable Mekong region adventure across four incredible countries?
With our Thailand Cambodia Laos Vietnam eSIM, you’ll enjoy immediate activation, daily data that refreshes automatically, and the confidence of reliable coverage across all four nations. Get your ultimate multi-country eSIM now and explore more!
Browse more eSIM plans for Vietnam!

How it works

Your 4-country connectivity awaits – prepare for an unforgettable Southeast Asian experience!
Step 1 - Buy plan for Hanoi eSIM

Step 1

Choose your plan

Browse our travel data plans, pick the perfect option and place an order.

Step 2

Scan QR code

Receive the QR code and user guide via email (instantly). Simply scan to activate.

Step 3 - Enjoy Internet with Hanoi eSIM

Step 3

You’re all set!

Enjoy seamless access through fast and reliable networks in both Thailand, Cambodia, Laos, and Vietnam.

Things to know

Data service

Your eSIM Thailand – Cambodia – Laos – Vietnam provides daily data connectivity across all four countries with automatic network switching and daily renewal.

Check compatibility

Verify your phone supports eSIM and is unlocked. Check our eSIM compatibility list before purchasing.

Activation time

Your plan activates immediately after installation, so install it just before departure or upon arrival in Thailand/Cambodia/Laos/Vietnam. The validity period starts when you first connect to a network.

30-day activation

Activate your data plan within 30 days of purchase. The validity period (8/12/15/30 days) begins when you first connect to a network. No cancellations, refunds, or changes after activation.

One-time scan

Each QR code works only once – never delete your eSIM during use. Contact [email protected] or +1 657-571-1199 if you need help.

Frequently asked questions

If you still have questions about this service? We are here to help

Do I need a passport to buy the Thailand-Cambodia-Laos-Vietnam eSIM?
It is not necessary to show your passport when buying eSIMs at vietnamesim.com.
Your eSIM plan starts as soon as you install it and connect to a network in any of the four countries (Thailand, Cambodia, Laos, Vietnam eSIM). We recommend installing it right before your departure, so you’re connected immediately after landing.
Once activated, the validity countdown (e.g., 8, 12, 15, or 30 days) begins, and your daily data allowance becomes available. The plan works seamlessly as you travel across all four countries.

Install the evening before departure or on arrival at the airport (Bangkok, Siem Reap, Phnom Penh, Vientiane, Luang Prabang, Hanoi, Ho Chi Minh City) using free airport Wi-Fi.

Yes, absolutely. Your daily data allowance works in all four countries without any restrictions. Cross borders freely without worrying about connectivity.

Every day at midnight (GMT+8 / Beijing Time), your data allowance automatically resets to the full amount (500MB, 1GB, or 2GB depending on your plan). You don’t need to do anything – it happens automatically.

Install the eSIM with the QR code sent to your email. In the mobile settings, select it as the default mobile data, turn on data roaming and mobile data. Then, your eSIM will work. Read more in our eSIM installation guide.

Yes, Thailand Cambodia Laos Vietnam eSIM plans include hotspot feature for sharing data with other devices.

After you place your order, we will send an email with your eSIM information, including QR code, confirmation code and activation guide within 3-10 minutes. Just scan the QR code and follow the user guide.

Our 4-Southeast-Asian-country eSIM is a one-time-use eSIM. After being activated, it will be ready for you to use until the expired date or when total data runs out. If you remove eSIM from your phone, you will not be able to use it once again.

We provide 24/7 customer support via WhatsApp (+1 657-571-1199) and email to promptly resolve any connectivity issues during your adventure.

These plans are data-only. You can use data-based calling apps like WhatsApp, Skype, WeChat, or Zalo for voice calls.

Both countries offer high-speed 5G/4G connectivity. Actual speeds depend on network coverage in your specific location and network congestion.

Yes. Set your primary SIM for calls/SMS, and the eSIM for mobile data only.

Show all FAQs
[jgm-review-widget]