Regional travel eSIM
Southeast Asia eSIM — plans from ₹249.00
3 regional bundles and 9 single-country eSIMs across Southeast Asia — instant QR by email, pay in your currency, no roaming fees.
Southeast Asia regional eSIM plans
One eSIM that works across multiple Southeast Asia countries — ideal for multi-country trips. Prices shown in your currency.
Asia (12 areas)
12 countries- 1 GB · 3 days₹549.00
- 1 GB · 7 days₹599.00
- 3 GB · 3 days₹1,299.00
- 3 GB · 7 days₹1,349.00
Asia (7 areas)
7 countries- 1 GB · 3 days₹299.00
- 1 GB · 7 days₹349.00
- 3 GB · 3 days₹649.00
- 3 GB · 7 days₹699.00
Singapore & Malaysia & Thailand
3 countries- 1 GB · 3 days₹249.00
- 1 GB · 7 days₹299.00
- 3 GB · 3 days₹449.00
- 3 GB · 7 days₹499.00
Who needs a Southeast Asia eSIM?
The classic Southeast Asia loop is the reason regional eSIMs exist. Bangkok for a few days, an overland run east to the Poipet crossing and on to Siem Reap, then Phnom Penh, the Bavet-Moc Bai border into Vietnam and finally Ho Chi Minh City - four or five countries in as many weeks, most of them entered by bus, boat or a short budget flight rather than a long-haul arrival. Buying a fresh SIM at each stop means a new queue, a new activation and a new set of instructions in a language you do not read, usually at exactly the moment you need a map.
The same logic applies to the island variants of the trip: Singapore into Johor Bahru over the Causeway and up the peninsula to Penang and Langkawi, or a Bali and Kuala Lumpur pairing where the two halves are booked separately. Travellers here lean hard on data - Grab and Gojek for every taxi, QR codes for payments in Bangkok and Jakarta, translation for menus and bus counters, and the constant business of forwarding accommodation addresses to drivers.
Where it does not pay: a two-week Thailand beach holiday, a Bali honeymoon, or a business week in Singapore. Those are one-country trips, and a single-country plan is priced against one market, which nearly always means more data for the money. Cross a border and the regional bundle wins; stay put and it does not. Start from the full destinations list if the route is still open.
Single-country eSIMs in Southeast Asia
Visiting one country? A local plan is usually cheaper. Every page below has plans, coverage notes and an FAQ.
Regional vs single-country eSIM
A regional Southeast Asia plan is one profile that stays installed across the country list. Land at Siem Reap or step off the bus at Moc Bai and the phone drops the previous network, finds a partner network on the other side and reconnects on its own - no second QR code, no counter, no waiting until you find Wi-Fi. Data is pooled, so a streaming-heavy night bus out of Phnom Penh just leaves less for Vietnam.
Two honest caveats. First, the country list on the bundle is not the whole of ASEAN - Myanmar, Timor-Leste and Brunei are commonly outside a given regional plan, so read the list on the plan card against your actual route. Second, breadth costs money: per gigabyte, a regional plan is priced above a plan sold for one market. If your loop is really Thailand plus one short hop, price the single-country plan and a top-up before you assume the bundle is better. Top-ups queue behind the active plan whenever you run low.
| Regional eSIM | Single-country eSIM | |
|---|---|---|
| Trip shape | Bangkok to Siem Reap to Ho Chi Minh City style loops | One base, day trips, fly in and out |
| Border crossings | Reconnects at Poipet, Bavet or the Causeway on its own | Goes dark the moment you leave the country |
| Cost pattern | One purchase covering several markets, higher per GB | Cheaper per GB, one market only |
| Data | Pooled across every country on the list | Whole allowance spent in that country |
| Best for | Backpacking loops and multi-country itineraries | Beach holidays, city breaks, work trips |
Country pages worth comparing before you commit: Thailand, Cambodia, Vietnam, Malaysia and Singapore.
Southeast Asia eSIM FAQ
Will the eSIM reconnect by itself at a land border like Poipet?
Yes, provided both countries are on your plan's list. Once your phone loses the Thai network on the far side of the crossing it registers on a partner network in Cambodia without any action from you. It can take a few minutes while you are queueing at immigration; a quick flight-mode toggle usually speeds it up.
Does the data pool across Thailand, Cambodia and Vietnam?
It does. A regional plan carries one allowance that you spend anywhere on its country list, so there is nothing to divide up before you leave. Days with heavy Grab use and constant maps will pull more from the pool than a beach day, but no data is stranded in a country you have already left.
What if Myanmar or Brunei is not on the plan's country list?
Read the country list on the plan card first, because regional bundles here rarely cover every ASEAN state. If a leg falls outside it, buy the single-country plan for that country in addition. Both eSIMs can live on the phone together, and the second plan simply queues behind the one already running.
Is 5G available on a Southeast Asia regional plan?
Yes where the partner network has 5G and your handset supports it, which in practice means Singapore, Bangkok, Kuala Lumpur and the larger Vietnamese and Indonesian cities. Elsewhere you should expect solid 4G. On islands and along rural highways the signal thins regardless of plan, so save offline maps for those legs.
Can I hotspot to a laptop while working from a cafe?
Hotspot works on most plans and the plan card says so if a particular one excludes it. It is a practical way to work from a Chiang Mai or Canggu cafe when the venue Wi-Fi is unreliable, but tethering a laptop consumes a pooled regional allowance far faster than phone use alone.
Does it work on the ferries between the Thai and Malaysian islands?
On short island crossings you usually keep coastal coverage for much of the trip, which is enough for messaging even if speeds drop. Longer open-water routes will lose signal entirely, and the ship's own satellite service is a separate paid product. Download your ticket, map and accommodation address before you board.
Do I need a separate eSIM for a layover in Singapore or Kuala Lumpur?
Not if that country is on your plan's list - the eSIM connects while you are in the terminal and uses the same pooled data. If the layover is the only time you will be in that country and it is not covered, a short single-country plan for the stopover is the simpler and cheaper answer.
Do ride-hailing apps work without a local phone number?
Grab, Gojek and similar apps generally work signed in with your existing account and your home number, which is why data-only plans suit this region. Keep your home SIM in the phone with data roaming off so verification codes still arrive, and run the app itself over the eSIM data.