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eSIM for Thailand
A trip to Thailand starts online, with an arrival card you submit before you fly. Here is what to sort out first, where the airports offer free Wi-Fi, and which plans fit a stay in Thailand or a longer route through the region.
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All destinationsPlans for Thailand
Plans that cover Thailand only.
Regional plans that include Thailand
Plans that cover Thailand together with other countries.
Data every day
A data allowance for each day of the trip.
Prices in US dollars (USD). These plans can't be bought on this page yet.
Plans at a glance
Plans for Thailand
Data
1 GB, 3 GB, 5 GB, 10 GB, 20 GB, 50 GB
Valid for
7 days, 10 days, 15 days, 30 days, 180 days
Regional plans that include Thailand
Some of these plans also cover
Data every day
Data a day
500 MB, 1 GB, 3 GB, 5 GB, 10 GB
Number of days
3 days, 5 days, 7 days, 10 days, 15 days, 30 days
Plan list updated . The plans above load live, and they are the ones you can choose.
Before you fly: the Thailand Digital Arrival Card
Every non-Thai visitor has to submit the Thailand Digital Arrival Card, known as the TDAC, online before arrival, whatever the means of transport and including visa-exempt travellers. The form opens 3 days before your travel date and submission is free, according to the Royal Thai Consulate-General in Dubai.
It is a web form rather than a desk at the airport, so the calm way to do it is at home, a day or two before you leave, instead of in a transit lounge.
Free Wi-Fi at Thai airports
Airports of Thailand offers free Wi-Fi at its six airports: Suvarnabhumi, Don Mueang, Chiang Mai, Mae Fah Luang Chiang Rai, Phuket and Hat Yai. What signing in asks for depends on the network you pick: some ask for your name, a passport or ID number and a mobile number; another asks for a passport number and an email address.
At Suvarnabhumi you select the airport's free network, enter an email address and accept the terms, which gives you 60 minutes online. That covers a message to whoever is meeting you; for the ride into the city and the days after, you need data of your own.
Charging and the tourist police line
Thailand's supply is 230 V at 50 Hz, and sockets take plug types A, B, C and O. Check that your charger's label covers 230 V and pack an adapter that fits.
The Tourism Authority of Thailand points visitors to the Tourist Police hotline, 1155, which runs 24 hours and offers help in several languages.
Thailand alone or a longer route?
Local plans are for Thailand only, the simple choice if you fly in and out of Bangkok without crossing a border.
If the route continues overland or by a short flight, regional plans that include Thailand also cover Malaysia, Cambodia, Vietnam, Singapore and Indonesia. Daily plans give a set allowance for each day, which suits travellers who would rather have the same amount every day than one balance for the whole trip.
Each plan's data and duration are listed in “Plans at a glance” above. Before you install anything, the activation guide explains what to look for on a plan.
Questions about Thailand
Do I have to fill in the TDAC before flying to Thailand?
Yes. The Royal Thai Consulate-General in Dubai says every non-Thai visitor must submit the Thailand Digital Arrival Card online before arrival, visa-exempt travellers included, and that submission is free.
How early can I submit the TDAC?
The consulate's page says the card opens 3 days before your travel date.
Is there free Wi-Fi at Bangkok's airports?
Airports of Thailand lists free Wi-Fi at both Suvarnabhumi and Don Mueang. At Suvarnabhumi the free network gives you 60 minutes after you enter an email address and accept the terms.
Can one plan cover Thailand and Malaysia?
Regional plans that include Thailand also cover Malaysia, along with Singapore, Vietnam, Cambodia and Sri Lanka.
What plugs are used in Thailand?
Types A, B, C and O, on a 230 V, 50 Hz supply. A phone charger is fine as long as its label lists 230 V; the adapter only has to fit the socket.
Is there free Wi-Fi at Thai airports outside Bangkok?
Yes. Airports of Thailand lists free Wi-Fi at Chiang Mai, Mae Fah Luang Chiang Rai, Phuket and Hat Yai as well as Suvarnabhumi and Don Mueang. Depending on the network, signing in asks for your name, a passport or ID number and a phone number, or for a passport number and an email address.
Before you buy
Will my phone work?
Your phone needs eSIM support and must not be carrier-locked. Most phones released after 2019 qualify.
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