Thailand SIM card for tourists: local SIM or eSIM?

For a week of everyday use (6 GB), the cheapest prepaid SIM in Thailand costs ฿349 (True, unlimited data, 10 days), sold at the airport. A travel eSIM for the same week costs from $9.50 (Jetpac) and is installed before you leave.

Offers checked on October 21, 2026 on the carriers’ websites

The best travel eSIMs in Thailand for a week

For 7 days and 6 GB

1Best unlimited
Ubigi
Unlimited · 7 days
$22.00$3.14 per day
- 25 GB at full speed, then reduced speed
- Networks: AIS and True
- Hotspot allowed
See the plan
2Cheapest
Jetpac
10 GB · 7 days
$9.50$0.95 per GB
- Lowest total price for 7 days
- Network: AIS
- Hotspot allowed
See the plan
3Best price per GB
Nomad
50 GB · 10 days
$15.00$0.30 per GB
- Lowest price per GB for this trip
- Network: True
- Hotspot allowed
See the plan

Three steps, three questions: the best unlimited plan, the cheapest and the best price per GB, from three different providers. How we pick the podium · Affiliate links

Local SIM or travel eSIM?

For a week of everyday use (6 GB), at the prices on the carriers’ and providers’ websites.

Local SIM, 7 days

฿349

True · unlimited data · 10 days

Sold at the airport counter (BKK · DMK · HKT), or online for some offers.
It also comes as an eSIM: your SIM then stays on for calls and texts.
Passport required at purchase.

Travel eSIM, 7 days

$9.50

with Jetpac

Installed at home before you leave, it works as soon as you land.
Your SIM stays on for calls and texts.
ID: our provider pages say who asks for one.

See the plan

The currencies differ: we convert nothing. · Affiliate links

Thailand SIM card: our analysis

From the carriers’ websites, checked on October 21, 2026.

The carriers

TrueThailand Tourist SIM 10 Days · as an eSIM · at the airport · in stores฿349
dtacHappy Tourist SIM 10 Days · as an eSIM · in stores฿349
AISAIS LUCKY TOURIST SIM 8 Days · as an eSIM · at the airport · online · in stores฿499 excl. tax

Unlimited, phone number, eSIM

The cheapest unlimited SIM: Thailand Tourist SIM 10 Days (True), ฿349 for 10 days.
11 of 14 offers come with a number for calls (AIS, True, and dtac).
12 of 14 offers also come as an eSIM (AIS, True, and dtac): no counter to find.

Where to buy it

At the airport: Suvarnabhumi (AIS, dtac, True); Don Mueang (AIS, dtac); Phuket (AIS, dtac).
Online before you leave: 9 of 14 offers (AIS and True).
In stores in town: AIS, True, and dtac.

eSIMs in Thailand at a glance

In Thailand, we compare plans from 7 eSIM providers: GigSky, GoMoWorld, Jetpac, Nomad, Orange Travel, Ubigi, and Yesim.
The cheapest unlimited plan for a week is from Ubigi: $22.00 (Unlimited · 7 days).

The carriers’ prepaid offers

For each carrier, the cheapest offers that cover everyday use (maps, messaging, social media) for a week, two weeks or a month.

We found 14 prepaid offers from 3 carriers in Thailand: AIS, True, and dtac. Prices are those on their websites, in their currency (THB), not converted. “excl. tax” marks a price before tax.

Offer	Carrier	Data	Validity	Price	As eSIM
AIS LUCKY TOURIST SIM 8 Days	AIS	unlimited data	8 days	฿499 excl. tax	Yes
Thailand Tourist SIM 10 Days	True	unlimited data	10 days	฿349	Yes
Happy Tourist SIM 10 Days	dtac	unlimited data	10 days	฿349	Yes
AIS LUCKY TOURIST SIM 15 Days	AIS	unlimited data	15 days	฿699 excl. tax	Yes
Thailand Tourist Infinite SIM 15 Days	True	unlimited data	15 days	฿699	Yes
Happy Tourist Infinite SIM 15 Days	dtac	unlimited data	15 days	฿699	Yes
AIS LUCKY TOURIST SIM 30 Days	AIS	unlimited data	30 days	฿1,199 excl. tax	Yes
Thailand Tourist Infinite SIM 30 Days	True	unlimited data	30 days	฿1,199	Yes
Happy Tourist Infinite SIM 30 Days	dtac	unlimited data	30 days	฿1,199	Yes

Sources: ais.th, true.th

Compare eSIMs in Thailand →

What your trip costs, SIM or eSIM

For each trip length, the cheapest offer that covers everyday use.

Trip	Local SIM	Travel eSIM	Offer
1 week · 6 GB	฿349 True	$9.50 Jetpac	See the plan
2 weeks · 12 GB	฿699 excl. tax AIS	$12.50 Jetpac	See the plan
1 month · 24 GB	฿1,199 excl. tax AIS	$23.99 Jetpac	See the plan

The currencies differ: we convert nothing. · Affiliate links

Where to buy it when you land

Carriers and SIM resellers named by the airports’ and carriers’ websites.

Airport	Where to buy a SIM
Suvarnabhumi (BKK)	AIS, dtac, True
Don Mueang (DMK)	AIS, dtac
Phuket (HKT)	AIS, dtac

Thailand SIM card: your questions

Answered from the carriers’ websites and today’s prices.

How much is a SIM card in Thailand?

For a week of everyday use, from ฿349 with True (unlimited data, 10 days), checked on October 21, 2026.

Where can I buy a SIM card in Thailand?

At the airport: Suvarnabhumi (AIS, dtac, True); Don Mueang (AIS, dtac); Phuket (AIS, dtac). Carriers also sell their offers in shops or online, depending on the offer.

Do I need a passport for a SIM card in Thailand?

Yes: carriers ask for your passport to activate the SIM.

Local SIM or eSIM in Thailand?

A travel eSIM is installed before you leave and keeps your SIM on for calls and texts; for a week, it costs from $9.50 (Jetpac). The cheapest local SIM costs ฿349 (True).

How much is a SIM card in Thailand for two weeks or a month?

For two weeks, from ฿699 excl. tax (AIS LUCKY TOURIST SIM 15 Days, AIS); for a month, from ฿1,199 excl. tax (AIS LUCKY TOURIST SIM 30 Days, AIS).

Is there an unlimited SIM card in Thailand?

The cheapest unlimited SIM: Thailand Tourist SIM 10 Days (True), ฿349 for 10 days.

Does a tourist SIM card in Thailand come with a phone number?

11 of 14 offers come with a number for calls (AIS, True, and dtac).

Can I buy the SIM card before I leave?

Online before you leave: 9 of 14 offers (AIS and True). 12 of 14 offers also come as an eSIM (AIS, True, and dtac): no counter to find.

Which carrier should I pick in Thailand?

For a week of everyday use: True from ฿349, dtac from ฿349, and AIS from ฿499 excl. tax.