Best eSIM for Bangkok: prices, data and how to set it up (2026)
A Slashtel eSIM for Bangkok costs from $2.29, with 13 plans from 1GB to 50GB, valid 7 to 30 days. Install it before you fly; it connects when you land at Suvarnabhumi (BKK) or Don Mueang (DMK) on TrueMove H, DTAC or CAT and works across Thailand. Data only: your own number stays on your usual SIM for calls, texts and bank codes.
You can buy a data-only eSIM for Bangkok from us, with plans starting at $2.29 and offering between 1 GB and 50 GB of data, valid for 7 to 30 days. It works on arrival in Bangkok and across Thailand on networks such as TrueMove H, DTAC, CAT, AIS and True Move, with 5G available. Install it before your flight, and it starts when you first connect in Thailand.
Bangkok eSIM plans: the facts
| Price (USD) | Data | Valid for | Per GB | Networks | Hotspot | 5G |
|---|---|---|---|---|---|---|
| $2.29 | 1 GB | 7 days | $2.29 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $3.29 | 1 GB | 7 days | $3.29 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $4.49 | 3 GB | 15 days | $1.50 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $5.69 | 3 GB | 15 days | $1.90 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $4.69 | 3 GB | 30 days | $1.56 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $6.09 | 3 GB | 30 days | $2.03 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $6.59 | 5 GB | 30 days | $1.32 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $8.29 | 5 GB | 30 days | $1.66 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $9.29 | 10 GB | 30 days | $0.93 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $9.49 | 10 GB | 30 days | $0.95 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $17.49 | 20 GB | 30 days | $0.87 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $19.59 | 20 GB | 30 days | $0.98 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
| $17.89 | 50 GB | 10 days | $0.36 | TrueMove H, DTAC or CAT | Yes | Yes, where available |
Prices checked 10 October 2026, all-in, no roaming charges. Networks and 5G are from our supplier's network list for Thailand; the eSIM joins the strongest one automatically and speed depends on local coverage. Data only: no phone number, calls or SMS.
Which plan for your trip to Bangkok
| Trip | Maps, messages, light browsing | Social, video calls, hotspot |
|---|---|---|
| 1 week | 3GB · 15 days $4.49 about 3GB needed | 10GB · 30 days $9.29 about 7GB needed |
| 2 weeks | 5GB · 30 days $6.59 about 5GB needed | 20GB · 30 days $17.49 about 14GB needed |
| 1 month | 10GB · 30 days $9.29 about 9GB needed | Ask us |
Live prices from our Thailand plans. Usage estimates: about 0.3GB a day for maps, messaging and browsing; about 1GB a day with video and calls.
How to set up your Bangkok eSIM
iPhone
- On Wi-Fi, open the QR email and go to Settings → Mobile Service (or Cellular) → Add eSIM → Use QR Code.
- Scan the QR and label the new line "Travel".
- Keep your usual line on for calls and texts; choose the Travel eSIM for mobile data.
- When you land in Bangkok, turn on Data Roaming for the Travel eSIM.
Android
- On Wi-Fi, go to Settings → Network & internet (Connections on Samsung) → SIMs → Add eSIM.
- Choose "Scan QR code" and scan the code from your email.
- Set the new eSIM as the SIM for mobile data; keep your usual SIM for calls and texts.
- When you land in Bangkok, turn on Roaming for the new eSIM.
Menu names vary a little by phone and software version. The QR works once: don't delete the eSIM after installing it. Full guide with screenshots · Check your phone supports eSIM
Getting online in Bangkok
- Install the eSIM on Wi-Fi before you fly, using the QR code sent by email within minutes.
- Turn on data roaming for the eSIM when you land, as it starts on first connection in Thailand.
- Keep your home SIM in the phone for calls, texts and one-time passcodes.
Other options
Other eSIMs, such as Airalo and Holafly, also cover Thailand, and you can buy a local SIM at the airport with your passport. We publish every seller's price for the same data side by side: compare Thailand eSIM prices.
Travelling on from Bangkok? The same eSIM also works in Phuket, Koh Samui, Krabi, Chiang Mai, Pattaya.