- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Hotspot
Best eSIM for Thailand in 2026
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Quick answer
Thailand is one of the most straightforward countries in Southeast Asia for eSIMs. Network quality is good across the tourist trail, and there is a wide range of plans from a few gigabytes for a city break to unlimited packages for a month of island hopping. For a two-week trip mixing Bangkok and the islands, a 10-20 GB or unlimited plan is a reasonable starting point.
Networks and coverage
Thailand’s three main operators are AIS, TrueMove H and dtac. AIS is generally considered the coverage leader, particularly outside the cities, while TrueMove H and dtac are strong in Bangkok and the major resorts. Travel eSIMs typically connect to one of these networks.
Bangkok and Chiang Mai have fast, dense coverage. The southern islands - Phuket, Koh Samui, Koh Phangan, Koh Lanta - are well served in the main tourist areas, but signal can fade at remote resorts and on boat crossings between islands.
City and island notes
- Bangkok - excellent coverage, including the BTS and MRT and both airports.
- Chiang Mai - strong in the city and the Nimman area; weaker in the surrounding mountains.
- Phuket and Krabi - reliable in Patong, Ao Nang and the main beaches.
- Koh Samui and Koh Phangan - good near the popular beaches, patchier inland.
- Ayutthaya and the north - generally fine along the main routes.
What to check before you buy
- Unlimited vs. fixed data. Unlimited plans suit heavy video and hotspot use; fixed plans are cheaper for light travellers.
- Fair-use policies. Unlimited plans usually include a fair-use clause, so read the detail if you plan to stream or tether heavily.
- Hotspot. Not every plan allows tethering.
- Activation. Most plans start when you connect in Thailand, so install before you fly but do not switch on until you land.
Practical tips
Activate your eSIM on arrival at Suvarnabhumi, Don Mueang or Phuket airport, and keep your home SIM active for messages. Thai tourist SIMs bought locally are an alternative, but an eSIM saves queueing with your passport. If you are continuing to Cambodia, Laos, Vietnam or Malaysia, a regional Southeast Asia plan can cover the whole route.
Top Thailand eSIM options
One representative plan per provider, chosen by lowest price per gigabyte. This is not a ranking; it reflects documented plan data.
HolaflyUnlimited- Data
- Unlimited
- Validity
- 7 days
$24.15
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$33.60
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$30.40
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$35.20
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
Thailand eSIM comparison
| Provider | Data | Duration | Price | Network | 5G | Hotspot | Phone number | SMS | Activation | Last verified | Check price |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Airalo | 1 GB | 7 days | $4.50 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | 3 GB | 15 days | $11 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | 5 GB | 30 days | $16 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | 10 GB | 30 days | $22 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | 20 GB | 30 days | $32 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | Unlimited | 30 days | $45 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| eSIM.DOG | 1 GB | 7 days | $4.50 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.DOG | 3 GB | 15 days | $11 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.DOG | 5 GB | 30 days | $16 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.DOG | 10 GB | 30 days | $22 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.DOG | 20 GB | 30 days | $32 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 1 GB | 7 days | $4.50 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 3 GB | 15 days | $11 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 5 GB | 30 days | $16 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 10 GB | 30 days | $22 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 20 GB | 30 days | $32 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | Unlimited | 30 days | $45 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Holafly | Unlimited | 7 days | $24.15 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Holafly | Unlimited | 15 days | $37.95 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Holafly | Unlimited | 30 days | $51.75 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Holafly | Unlimited | 60 days | $85.10 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Maya eSIM | 1 GB | 7 days | $4.50 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Maya eSIM | 3 GB | 15 days | $11 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Maya eSIM | 5 GB | 30 days | $16 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Maya eSIM | 10 GB | 30 days | $22 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Maya eSIM | 20 GB | 30 days | $32 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Nomad | 1 GB | 7 days | $4.73 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | 3 GB | 15 days | $11.55 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | 5 GB | 30 days | $16.80 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | 10 GB | 30 days | $23.10 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | 20 GB | 30 days | $33.60 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | Unlimited | 15 days | $34.65 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | Unlimited | 30 days | $47.25 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Roamic | 1 GB | 7 days | $4.50 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | 3 GB | 15 days | $11 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | 5 GB | 30 days | $16 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | 10 GB | 30 days | $22 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | 20 GB | 30 days | $32 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | Unlimited | 30 days | $45 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Saily | 1 GB | 7 days | $4.27 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Saily | 3 GB | 15 days | $10.45 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Saily | 5 GB | 30 days | $15.20 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Saily | 10 GB | 30 days | $20.90 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Saily | 20 GB | 30 days | $30.40 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Ubigi | 3 GB | 15 days | $12.10 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Ubigi | 5 GB | 30 days | $17.60 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Ubigi | 10 GB | 30 days | $24.20 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Ubigi | 20 GB | 30 days | $35.20 | AIS, TrueMove H, dtac | Yes | Yes | No | No | Within 30 days | Check price | |
| Yesim | 1 GB | 7 days | $4.50 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | 3 GB | 15 days | $11 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | 5 GB | 30 days | $16 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | 10 GB | 30 days | $22 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | 20 GB | 30 days | $32 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | Unlimited | 30 days | $45 | AIS, TrueMove H, dtac | Yes | No | No | No | Within 30 days | Check price |
Prices are shown in the currency the provider lists. Always confirm the current price with the provider.
Compare all plans
Filter by provider, data, price and hotspot. Results update instantly.
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Hotspot
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Hotspot
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Hotspot
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Hotspot
AiraloUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Hotspot
HolaflyUnlimited- Data
- Unlimited
- Validity
- 7 days
$24.15
- 5G
- Hotspot
HolaflyUnlimited- Data
- Unlimited
- Validity
- 15 days
$37.95
- 5G
- Hotspot
HolaflyUnlimited- Data
- Unlimited
- Validity
- 30 days
$51.75
- 5G
- Hotspot
HolaflyUnlimited- Data
- Unlimited
- Validity
- 60 days
$85.10
- 5G
- Hotspot
- Data
- 1 GB
- Validity
- 7 days
$4.73
- 5G
- Hotspot
- Data
- 3 GB
- Validity
- 15 days
$11.55
- 5G
- Hotspot
- Data
- 5 GB
- Validity
- 30 days
$16.80
- 5G
- Hotspot
- Data
- 10 GB
- Validity
- 30 days
$23.10
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$33.60
- 5G
- Hotspot
NomadUnlimited- Data
- Unlimited
- Validity
- 15 days
$34.65
- 5G
- Hotspot
NomadUnlimited- Data
- Unlimited
- Validity
- 30 days
$47.25
- 5G
- Hotspot
- Data
- 1 GB
- Validity
- 7 days
$4.27
- 5G
- Hotspot
- Data
- 3 GB
- Validity
- 15 days
$10.45
- 5G
- Hotspot
- Data
- 5 GB
- Validity
- 30 days
$15.20
- 5G
- Hotspot
- Data
- 10 GB
- Validity
- 30 days
$20.90
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$30.40
- 5G
- Hotspot
- Data
- 3 GB
- Validity
- 15 days
$12.10
- 5G
- Hotspot
- Data
- 5 GB
- Validity
- 30 days
$17.60
- 5G
- Hotspot
- Data
- 10 GB
- Validity
- 30 days
$24.20
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$35.20
- 5G
- Hotspot
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
YesimUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
RoamicUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
eSIM.ioUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
Best eSIM for Thailand by trip type
These categories are based on documented plan attributes, not subjective scores. Verify the details before buying.
Best cheap eSIM for Thailand
The lowest-priced plan in our dataset for travellers who only need a little data.
- Data
- 1 GB
- Validity
- 7 days
$4.27
- 5G
- Hotspot
Best eSIM for short trips to Thailand
A short validity window and a modest allowance keeps the cost down for a brief visit.
- Data
- 3 GB
- Validity
- 15 days
$10.45
- 5G
- Hotspot
Best eSIM for longer stays in Thailand
Look for a plan with at least 30 days of validity and a larger allowance.
- Data
- 10 GB
- Validity
- 30 days
$20.90
- 5G
- Hotspot
Best eSIM for heavy data use in Thailand
For streaming and tethering, a larger fixed plan or an unlimited package usually works out better per gigabyte.
- Data
- 20 GB
- Validity
- 30 days
$30.40
- 5G
- Hotspot
Best unlimited eSIM for Thailand
Unlimited plans trade metering for a flat rate, subject to fair-use policies.
AiraloUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Hotspot
Best eSIM for hotspot users in Thailand
These plans list tethering as supported, which matters if you are sharing data with a laptop.
- Data
- 20 GB
- Validity
- 30 days
$30.40
- 5G
- Hotspot
Thailand connectivity overview
Mobile networks listed for Thailand: AIS, TrueMove H, dtac. Coverage and speeds vary by operator and region, and the network your eSIM uses depends on the provider.
How to install an eSIM for Thailand
- Install the eSIM while you have Wi-Fi, before you travel.
- Set the travel eSIM as your line for mobile data.
- Keep your home SIM active for calls and verification codes.
- Switch the eSIM on when you arrive in Thailand so the plan's validity starts when you can use it.
Thailand eSIM FAQ
Is an eSIM cheaper than a Thai tourist SIM?
Prices vary by plan and by how much data you need. Comparing the current listed price per gigabyte for the trip length is the fairest way to judge.
Will my Thailand eSIM work on the islands?
Main tourist islands such as Phuket and Koh Samui generally have good coverage, but signal can be weaker at remote resorts. Check coverage maps if you are staying off the beaten path.
Can I use hotspot in Thailand with an eSIM?
Hotspot support depends on the plan, not the country. Look for a plan that explicitly includes tethering if you need to share data.
Destinations
Related guides
- SetupHow to Install an eSIMA step-by-step walkthrough of installing a travel eSIM by QR code or manually, plus how to switch it on when you arrive.
- DevicesHow to Use an eSIM on iPhoneHow eSIM works on iPhone, which models support it, and how to add, label and manage travel eSIMs in Settings.
- DevicesHow to Use an eSIM on AndroidA device-agnostic Android eSIM guide covering compatibility checks, QR installation and dual-SIM data settings.
- BasicseSIM vs Physical SIMThe practical differences between eSIM and a physical travel SIM, including activation, cost, flexibility and device support.
- BasicsHow Does an eSIM Work?What an eSIM actually is, how it connects to local networks when you travel, and why it can avoid roaming charges.
Ready to compare prices?
Plan details and prices change. Check the provider's current listing for your dates and data needs.