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Vientiane eSIM

14 Laos plans · from $22.80

Vientiane is the most relaxed capital in Southeast Asia — a Mekong riverfront, a handful of gilded stupas, and an airport four kilometres from the centre. The China–Laos railway has changed travel here completely, putting Luang Prabang two hours away instead of ten, and a travel eSIM covers the whole line.

Landing at Wattay International (VTE)

One of the closest capital airports to its city centre anywhere — about 10 minutes by tuk-tuk or taxi. Many travellers instead arrive overland from Nong Khai in Thailand across the Friendship Bridge.

eSIM plans that cover Vientiane

Vientiane is covered by every Laos plan below — there is no separate city-only eSIM to buy.

Choose a data plan

1 GB

7 days· 0.1 GB per $1

$22.80

★ BEST VALUE

Unlimited

1 days· ∞ GB per $1

$32.04

2 GB

15 days· 0.1 GB per $1

$44.36

3 GB

30 days· 0.1 GB per $1

$62.25

Unlimited

3 days· ∞ GB per $1

$93.67

5 GB

30 days· 0.1 GB per $1

$102.92

Unlimited

5 days· ∞ GB per $1

$155.31

10 GB

30 days· 0.1 GB per $1

$189.20

Which networks you'll be on in Vientiane

Siima eSIMs for Laos ride Unitel and Lao Telecom. Coverage is good in the cities and along the main highways and the railway corridor, and thin in the northern mountains.

Coverage around Vientiane

Riverfront and the centre

Solid 4G along the Mekong promenade, around Pha That Luang, Patuxai and the COPE visitor centre.

The China–Laos railway

The high-speed line north is covered at the stations and along much of the route, but it runs through a great many tunnels where signal drops. Tickets are notoriously hard to get on the day — book through an agent or the app in advance.

Vang Vieng and Luang Prabang

Both towns are well covered, including the riverside and the main viewpoints. The caves, the lagoons and the karst trails around Vang Vieng lose signal.

The northern mountains

Roads towards Phonsavan and the far north have long gaps. The Plain of Jars sites have patchy coverage, and unexploded ordnance means you stay on marked paths regardless.

How much data you need

A week in Laos is 2–4 GB. The country moves slowly and so will you — most of the consumption is navigation and messaging.

Work it out with our data usage calculator →

Frequently asked questions

Does a Laos eSIM work on the train to Luang Prabang?
Yes, on the same country plan. Expect drops in the tunnels, which are frequent on that line. Have your ticket downloaded rather than loading it at the barrier.
Can I use the same eSIM crossing to Thailand or Vietnam?
No — each needs its own plan. The Friendship Bridge crossing to Nong Khai and the routes into Vietnam are both common, so an Asia regional plan may suit a multi-country trip better.
How do I set up an eSIM before arriving in Vientiane?
Install it at home while you still have Wi-Fi: open Settings → Cellular → Add eSIM and scan the QR code from your Siima confirmation email. Leave the line switched off until you land — the plan starts counting from first use in Laos, not from purchase.
How much data do I need for a trip to Vientiane?
A week in Laos is 2–4 GB. The country moves slowly and so will you — most of the consumption is navigation and messaging.
Is an eSIM cheaper than roaming in Vientiane?
Almost always. Daily roaming passes from most home carriers run $10–15 per day, while Siima plans covering Vientiane start from $22.80 for the whole trip. You also avoid per-megabyte charges if you exceed a roaming pass allowance.
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