Thailand eSIM

AIS 5G
Hotspot
How much data, for how long?
Validity follows the selected plan terms. Refundable within 7 days if unactivated.
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Add another country — each one is its own eSIM, all managed in one app.
Thailand
1 GB · 7 days
Total
€0.99
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Thailand eSIM for Bangkok, Chiang Mai, Phuket, and Krabi

Compare prepaid Thailand eSIM plans by data, validity, listed coverage, and total price. Install before departure and use mobile data for maps, ride apps, translation, messages, and bookings in Bangkok, Chiang Mai, Phuket, Krabi, and other listed stops.

A Thailand eSIM is useful for airport transfers, city navigation, island trips, translation, and accommodation details. Service depends on the selected plan, device, island or province, terrain, and local network conditions.

  • Refund policy

    Review refund eligibility before installation or activation.

  • Activation window

    Check the package details for the first-use deadline and validity rules.

  • Secure checkout

    Cards, Apple Pay & Google Pay — encrypted by Paysera.

  • Customer support

    Contact support before or during your trip if you need help.

How eSIM works in Thailand

Choose a data plan for Thailand, install the eSIM over reliable Wi-Fi before your trip, and follow the selected plan’s activation instructions. Your regular SIM can stay in your phone, while the eSIM gives you mobile data for travel apps, messaging, maps and browsing.

  1. Buy a plan

    Pick a destination, data allowance and validity period.

  2. Install your eSIM

    Scan the QR or auto-install in the app — no physical SIM.

  3. Land & connect

    Data activates on first connection at your destination.

What you can do with 1 GB

In total, a 1 GB data allowance covers roughly 330 shared photos, 17 hours of social media and browsing, 2.9 hours of video calls, 13 hours of music streaming, or about 200 hours of maps and navigation. Messaging apps barely use data.

  • ≈ 200 hrs
    Maps & navigation
  • Unlimited
    Messages
  • ≈ 330
    Photos shared
  • ≈ 17 hrs
    Social & browsing
  • ≈ 2.9 hrs
    Video calls
  • ≈ 13 hrs
    Music streaming

Important cities in Thailand

Bangkok · City guide

Bangkok

In Bangkok, mobile data helps with the route from the Grand Palace to Wat Arun and the Chao Phraya river-boat timetable. Use it for pier stops, night-market menu translation, and street-food reviews when service is available. Availability varies by plan, device, buildings, and local network conditions, so save a central Bangkok map offline.

Bangkok eSIM — online before you land

Why Horizon

Why choose our eSIM for Thailand

Choose the data amount and validity for the full itinerary, and confirm every mainland or island stop in the selected plan's coverage details. Download offline maps and booking details before boat trips or remote excursions where reception may vary.

  • Better plans, built for real trips

    Compare the listed data allowances and validity periods for your destination.

  • Easy to use

    Install over reliable Wi-Fi before departure and follow the plan's activation instructions.

  • Compare the full plan

    Review the current price, data, validity, coverage and fair-use terms before checkout.

  • Reuse an eligible eSIM

    When the selected plan supports reuse or top-ups, My eSIMs shows the eligible options for the installed profile.

  • Stay connected

    We'll alert you as you approach your limit. If the plan supports a top-up, My eSIMs shows the eligible options.

  • Global & regional plans

    Choose country, regional or global coverage and check every destination in the plan details.

Frequently asked questions

How do I buy a Thailand eSIM and compare prices?

Choose the data allowance and validity that fit your trip, then compare the current options displayed on this page. The live price appears before checkout and may change when packages are updated. “Thailand eSIM” and “eSIM Thailand” describe the same travel data product.

Which mobile networks does the Thailand eSIM use?

Network support depends on the selected Thailand plan. Before purchase, check its listed local networks and whether 5G or 4G is offered for your device and stops. After arrival, choose the eSIM for mobile data and follow the device settings; availability varies by location and local network conditions.

How well does coverage hold up when island-hopping around Phuket, Krabi and the Phi Phi islands?

On the main islands like Phuket and Koh Samui, and around the developed shore near Krabi, coverage varies by location and local network conditions. On the boats between islands, on open water and in remote bays, the signal can drop in and out. Download your maps and booking details before you board so you are not caught offline mid-trip.

I'm visiting several countries in Southeast Asia. Is this plan enough?

Do not infer cross-border coverage from the Thailand page name. Check the selected plan's listed destinations; if your route also includes Laos, Cambodia, Malaysia, or another country, compare a regional eSIM and verify every stop before purchase.

Will the eSIM help me get around Bangkok's BTS Skytrain, river boats and tuk-tuks?

Yes. With live data you can map the BTS Skytrain, time the next river boat along the Chao Phraya, and show a tuk-tuk driver exactly where you're headed. Coverage varies by location and local network conditions and is often more available in the city centre, which is where most of this getting-around happens.

When should I set up the eSIM before landing at Bangkok's Suvarnabhumi Airport?

Install the Thailand eSIM over Wi-Fi a day or two before flying and save the setup details offline. After landing at Suvarnabhumi, select it for mobile data and follow the plan instructions. Validity timing can vary, so check the selected plan terms before installation.

Can I keep my own number and use a hotspot in Thailand?

Yes. The eSIM is a separate data line, so your usual number stays active for calls and texts over Wi-Fi or its own roaming, while the eSIM handles your data. Most phones also let you share that data as a hotspot, so a travelling companion or your laptop can get online too.

Which is the best eSIM for Thailand?

A Thailand eSIM may use AIS where listed by the selected plan. 5G or 4G availability and connection timing depend on the plan, device, location and local network conditions. Pick a data size that covers your route from the city down to the islands, and install it by QR code before you fly, so there is nothing to sort out on arrival.

Where next
Travel guides for Thailand