Buyer’s guide · 2026
Our verdict
For most trips to Thailand, a mid-size data plan on Simzora is the best balance of price and coverage. It roams on local partner networks with the widest reach in the country, connects the moment you land at Suvarnabhumi, and you pay a plain per-GB rate instead of for a vague unlimited promise.
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Find your way wherever you go.Local partner network 5G & Local partner network. Your eSIM connects automatically and can switch to another available network if one has no service. Install it before you leave home and the plan activates on its first connection in Thailand.
Pick the band that matches your trip. Top-up is available on most plans if you run low.
Around 3GB over a week is plenty if you lean on hotel and cafe Wi-Fi and mainly use Google Maps, WhatsApp and the odd search. Bangkok and the islands have Wi-Fi almost everywhere, so light users rarely burn through more.
Around 10GB covers most one to two week trips with daily social, maps across Bangkok and the islands, and sharing photos. It is the sweet spot for the average traveller who is out and about but not streaming all day.
If you stream, tether a laptop or work remotely from Chiang Mai, look at a 20GB plan or an unlimited plan. Note that unlimited runs at full speed up to a daily allowance, so for steady heavy use a large fixed-data plan is often the cleaner choice.
Every Simzora plan is a plain data amount at an honest per-GB price. Here is the full standard range for Thailand, with what each size actually suits.
| Data | Validity | Price | Per GB | Best for |
|---|---|---|---|---|
| 1 GB | 7 days | $3.49 | $3.49/GB | Light: maps & messaging |
| 3 GB | 15 days | $5.99 | $2.00/GB | Light: maps & messaging |
| 5 GB | 30 days | $8.49 | $1.70/GB | Typical: a week of everyday use |
| 10 GBSweet spot | 30 days | $11.49 | $1.15/GB | Typical: a week of everyday use |
| 20 GB | 30 days | $17.49 | $0.87/GB | Heavy: video, hotspot, remote work |
| 50 GB | 10 days | $17.49 | $0.35/GB | Heavy: video, hotspot, remote work |
Tax-inclusive, one-time. Top-up available on most plans.
Buy a Thailand plan
Pick your Thailand plan by selecting the GB you need, and pay by card, Apple Pay, Google Pay or crypto.
Compare plan sizes
Install your eSIM with the method you like: scan the QR from the email, or use the one-tap install link.
See how it works
Turn on data roaming at arrival and get online. Your plan starts on its first connection in Thailand, not at purchase.
No hype, just how the service actually behaves once you land.
Plans connect to local partner networks with the broadest reach in Thailand, so you get fast 5G and LTE across Bangkok, Phuket, Chiang Mai and the main island resorts. Coverage naturally thins on open water between islands and in the far-north hills, which is the network's limit rather than the eSIM's.
You buy a plain amount of data at a visible per-GB rate, not a fuzzy unlimited claim. That makes it easy to pick the right size for your trip and know exactly what you are paying for.
The QR code arrives by email in minutes, so you install over Wi-Fi before you fly and the line activates the moment you land at Suvarnabhumi or Don Mueang. It is data-only, so keep your home SIM in the phone for bank OTP codes while WhatsApp keeps working over data.
Straight answers to the questions travellers ask most.
Thailand eSIM
Instant QR delivery, honest per-GB pricing, cards or crypto. No physical SIM and no roaming bills.
Still comparing brands? Read Simzora vs Holafly, Simzora vs Airalo or Simzora vs Nomad.