Chiang Mai Airport SIM Card (2026): Tourist Prices, Booth Hours & eSIM
Flying into Chiang Mai (CNX) — the north's digital-nomad capital? The airport SIM booths are easy and the queues are short. The one thing to watch is booth hours: land late and the counters may be dark. Here's the full picture.
Where to buy a SIM at Chiang Mai Airport
After clearing customs, head to the international arrivals hall — you'll find booths from AIS, TrueMove H and DTAC right there. Queues at CNX are among Thailand's shortest, typically 5–15 minutes.
The important caveat: some counters operate roughly 8am–8pm. Chiang Mai gets late-evening arrivals, and if yours is one of them, you may find the booths closed. Plan for that scenario (see the eSIM option below).
Registration is the national standard: show your passport, staff photograph it (legally required), SIM activates on the spot.
What the booths sell (2026)
| Package | Price | Data | Validity |
|---|---|---|---|
| Tourist SIM (AIS / True / DTAC) | ~300 THB (~$8.50) | Generous data | ~8 days |
| Tourist SIM, larger | ~450–600 THB (~$13–17) | Generous / "unlimited"* | ~15 days |
*Airport tourist SIMs include a high-speed allowance, then throttled speeds. Packages rotate — these are typical 2026 figures, not a price guarantee. Regular prepaid plans in town (AIS/True shops at Central Festival or Maya) are often cheaper for 30+ day stays.
Coverage note for nomads and explorers: all networks cover Chiang Mai city (Old City, Nimman, Night Bazaar) well on 4G/5G. Heading into the mountains (Pai, Mae Hong Son loop)? Coverage thins out for everyone — download offline maps before you ride.
The eSIM alternative: arrival-proof connectivity
Buy at home
Order your Thailand eSIM online before departure — no passport, just a QR code by email.
Land online
Enable data roaming on touchdown — even at midnight with every booth closed, your Grab to the Old City is one tap away.
| eSIM (bought before) | CNX SIM booth | |
|---|---|---|
| Online when? | On touchdown | After 5–15 min queue |
| Late-night arrival? | Works regardless | Counters may be closed (~8pm) |
| Passport needed? | No | Yes — registered at booth |
| Home number active? | Yes | No — SIM swapped out |
| Price (~8–15 days) | from $4.99 | ~300–600 THB (~$8.50–17) |
| Thai phone number? | No (data only) | Yes (+66) |
When the booth still wins
Honesty matters: if you need a Thai phone number (+66 for banking OTPs or long-stay admin), the booth is your only option — eSIMs are data-only. Staying a month or more? Skip the airport entirely and buy a regular prepaid plan at an AIS/True shop in Central Festival or Maya — cheaper and more data. For 1–3 weeks, or any late-night arrival, the eSIM wins.
Getting into town from CNX (you'll want data for this)
Chiang Mai Airport is close — 10–20 minutes to the Old City. Options: the official airport taxi desk (fixed fares ~150–200 THB to the Old City), Grab (needs working data — another point for landing connected), or the RTC city buses (~30 THB, daytime only).
Flying into Bangkok or Phuket instead? See our Suvarnabhumi, Don Mueang and Phuket airport guides.
FAQ
Where can I buy a SIM card at Chiang Mai Airport?
In the international arrivals hall after customs. AIS, TrueMove H and DTAC have booths there. Queues are usually short — typically 5–15 minutes.
How much is a tourist SIM at Chiang Mai Airport?
Airport tourist SIM packages in 2026 generally fall around 300–450 THB (~$8.50–13) for 8–15 days of data. Buying a regular prepaid plan in town (Central Festival, Maya mall) can be cheaper for longer stays.
What if my flight arrives late at night in Chiang Mai?
Some airport counters close around 8pm. For late-night arrivals, use the airport Wi-Fi and rely on a pre-bought eSIM — it activates the moment you land regardless of booth hours.