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Boats laden with fruit at a floating market in Southeast Asia

Southeast Asia eSIM – data plans from €3.99

Backpacking Thailand, Vietnam and Cambodia on one trip? A Southeast Asia eSIM saves buying a SIM at every border.

Southeast Asia eSIM plans and prices

Choose a plan

Plan details

  • Countries (8): Cambodia, Indonesia, Laos, Malaysia, Philippines, Thailand, Timor-Leste, Vietnam
  • Validity starts when the eSIM connects to a network at your destination.
  • Install the eSIM within 180 days of purchase.
  • You can buy more data for the same eSIM if you need it.
  • Data only. For calls and messages you can use your own SIM card or apps.

Is the data enough?

Choose trip length and usage to get a rough suggestion.

How do you use the internet?

Estimate: about 5.6 GB

Suggestion: 10 GB · 30 days · €22.99

The estimate is based on average use. Video and hotspot use data quickly.

20 GB · 30 days

€39.49

VAT included. One-off payment, no automatic renewal. By buying you accept the terms and ask for immediate delivery, so your right of withdrawal ends once the eSIM has been delivered.

One plan for a Southeast Asia circuit

The plan covers eight countries: Thailand, Vietnam, Indonesia, Malaysia, the Philippines, Cambodia, Laos and Timor-Leste. Singapore is not included, so if it is on your route you need a separate solution.

A regional plan is worth it when you join up, say, Thailand, Vietnam and Cambodia on one trip. You do not buy a SIM in each country or queue at an airport kiosk. The plan runs on local networks, for example in Thailand, Malaysia, Indonesia, Vietnam and the Philippines. There are fixed GB plans and daily plans, which suit heavy use of maps and ride apps.

In cities coverage is generally good. On islands, in the mountains and in national parks it varies and cannot be promised in advance, so download maps and your key tickets for offline use. Ride apps, maps, messaging apps and mobile payments work over data, but calls and texts are not part of the plan. If you stay in a single country, such as Thailand, that country's own plan may be the simplest choice.

Get started in three steps

  1. Choose a destination and plan

    You see the price, validity and data amount right away.

  2. Install the eSIM

    You get a QR code and clear instructions. Your phone needs an internet connection during installation.

  3. Turn on data when you arrive

    Select the eSIM for mobile data when you reach your destination, and turn off data roaming on your own plan.

See setup guides

FAQ: Southeast Asia

Which countries are in the Southeast Asia eSIM?

Thailand, Vietnam, Indonesia, Malaysia, the Philippines, Cambodia, Laos and Timor-Leste. Singapore is not included.

Regional plan or one eSIM per country?

The regional plan pays off if you visit at least two of the listed countries. For a single country, that country's own plan is often a better fit.

What can I use this eSIM for?

The plan is meant for mobile internet on your trip, for example maps, messages and browsing.

Will my own number still work?

Yes. Your own number and SIM card stay active for calls and messages. Choose the Reissaa eSIM for mobile data.

When should I buy the plan?

Buy and install the eSIM before you leave, while you have a stable internet connection.

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