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Chiang Mai eSIM

Stay connected in Chiang Mai with an instant-activation eSIM, fast data, and reliable support.

PLANS FOR ...

Customize your plan in 3 simple steps

1. Choose your destination

2. How much data do you need?

Select a destination to view plans.

3. How many days are you traveling?

Select data amount first.

Coverage

4G/5G networks in Chiang Mai

Activation

QR setup in minutes

Trip ready

Ideal for moving around Chiang Mai

Why use an eSIM in Chiang Mai?

You avoid roaming costs, activate your plan before flying, and get online as soon as you land in Chiang Mai. You can also keep your main number active while using travel data in Thailand.

Short trip (2-4 days)

1-3 GB

Navigation, messaging, tickets, and maps.

Full week (5-8 days)

5-10 GB

Daily maps, social apps, and short-form video.

Long stay (9-15 days)

10-20 GB

Occasional hotspot, video calls, and light work.

Connectivity checklist for Chiang Mai

Install your eSIM before departing for Chiang Mai.
Enable data roaming on your eSIM line once you land.
Set the eSIM as your primary data line.
Save the QR locally in case you need to reinstall.

Networks usually available: DTAC, AIS.

Network coverage and quality for Chiang Mai

We work with DTAC and AIS to offer you the best 5G coverage nationwide.

DTACAIS

Local practical guide for Chiang Mai

Main airport

CNX

Recommended transport apps

Google Maps, Grab, Bolt, Moovit

Key areas to stay or visit

Old CityNimmanNight Bazaar

Useful areas for remote work

NimmanSantithamOld City

Chiang Mai is popular with digital nomads; activate eSIM for coworkings and daily mobility.

Estimated usage by activity

Maps and navigation60-120 MB/h
Messaging and email15-40 MB/h
Social media120-250 MB/h
HD video call500-900 MB/h

How to activate your eSIM for Chiang Mai

Step 1

Buy

Choose the days you need.

Step 2

Install

Scan the QR before flying.

Step 3

Surf

Automatic connection upon landing.

Internet in Thailand

OptionCostSetup
Airport SIMMediumQueue/Physical
RoamingVery ExpensiveAutomatic
Onzly eSIMAffordableDigital/No queues

Frequently asked questions for Chiang Mai

Does Onzly eSIM work in Chiang Mai?

Yes, Onzly eSIM provides coverage in Chiang Mai and across Thailand through 4G/5G partner networks.

Can I activate the eSIM before arriving in Chiang Mai?

Yes, you can install it before traveling and activate it upon landing to connect immediately.

Is it better than the airport SIM?

It is more convenient, no queues, and you have English support.

Guides by trip type in Chiang Mai