The best eSIM for Thailand is HelloRoam at $6.99 for 5 GB on True Move, AIS, DTAC and TrueMove H, which is $1.01 under Airalo at $8.00 for the same 5 GB. Holafly charges $12.90 for 5 days of unlimited data. HelloRoam's $0.29/GB tier is a 50 GB True Move plan at $14.38, and that one plan carries no top-up.
ETBy eSIMRated Editorial TeamEditorial Team· Reads every plan a provider publishes for a destination, checks its network list and terms against the provider's own pages, and scores it on eSIMRated's published five-category rubric.||
Key takeaway
This page compares 8 priced eSIM plans for Thailand across True Move, AIS, DTAC and TrueMove H. HelloRoam's own Thailand eSIM starts at $3.49 for 1 GB.
All Thailand eSIM plans compared
eSIM provider comparison for Thailand. Prices verified September 20, 2026.
Provider
Price (5GB)
Coverage
Rating
Best For
HelloRoamBest Value
$6.99
True Move, AIS, DTAC and TrueMove H
4.9/5
Best overall
Airalo
$8.00
200+ countries
4.5/5
Most destinations
Holafly
Unlimited
160 countries
4.2/5
Heavy users
Our top 3 picks for Thailand
We evaluated 8 eSIM plans available for Thailand, comparing them on verified pricing, network coverage, top-up availability, and app quality. Five stood out.
HelloRoam
Best Value
$6.99
5 GB / 30 days
Pros: Lowest price per GB, fast activation, Thailand coverage on True Move, AIS, DTAC and TrueMove H. Cons: Newer brand, smaller community than Airalo.
HelloRoam routes Thailand eSIM traffic onto AIS 5G, the network with the widest tourist-zone reach, and onto True Move 4G for the outer islands, which is why it ranks first here at $6.99 for 5 GB. AIS covers Sukhumvit in Bangkok, Nimman Road in Chiang Mai and Patong Beach in Phuket. True Move, AIS, DTAC and TrueMove H powers the 50 GB plan at $14.38.
Coverage analysis
AIS 5G blankets Bangkok's BTS Skytrain and MRT subway lines with consistent signal underground. Suvarnabhumi and Don Mueang airports both register on AIS. Phuket International and Chiang Mai airports connect on arrival.
True Move, AIS, DTAC and TrueMove H towers are thinner. Remote hill tribe areas in Chiang Rai province drop to 3G, and all major tourist destinations stay on 4G or better.
Activation
Install your e-sim QR code before you land at Suvarnabhumi (BKK) or Don Mueang (DMK). True Move, AIS, DTAC and TrueMove H registers the profile when you power on in Thailand, with no counter visit and no paperwork. iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer all support eSIM. Your device must be carrier-unlocked before departure.
The 30-day clock starts on your first megabyte of data, so you can install the profile days early.
Data usage tips
Budget 500-600 MB per day for Grab rides, Google Maps, LINE messaging, and food delivery through Foodpanda. Translation apps using Google Lens camera mode add 150-200 MB per session. Streaming Thai TV on Netflix uses 700 MB per hour at standard quality.
A 10 GB eSIM plan covers a 2-week trip at typical tourist usage. QR payment scanning at 7-Eleven uses under 1 MB per day. Bangkok-Chiang Mai backpacker week (street food tour, temple visits, night market shopping): 4.1 GB covers Grab rides, Google Maps for tuk-tuk navigation, WhatsApp for tour bookings, and TripAdvisor for restaurant lookups.
HelloRoam's $9.97 10 GB plan on True Move, AIS, DTAC and TrueMove H covers this comfortably, leaving 5.9 GB for the return trip or any island extension.
eSIM plan pricing in Thailand
Thailand eSIM plans open at $3.49 for 1 GB over 7 days. The 5 GB / 30-day plan at $6.99 covers a week in Bangkok, and Airalo charges $8.00 for the same size. The 10 GB / 30-day plan at $9.97 is the clearest value pick at $1.00/GB.
Long-stay travelers take 20 GB for $15.99 or 50 GB for $48.00 on True Move, AIS, DTAC and TrueMove H. No Thailand plan goes below $0.29/GB, the rate on the 50 GB True Move plan at $14.38, which carries no top-up. On rate per gigabyte and on carrier reach together, HelloRoam is the best eSIM for Thailand at $6.99 for 5 GB.
Best eSIM plans for Thailand in 2026
Thailand 50GB 10Days
True Move (4G)7 daysNo top-up
$14.38
50 GB · 7 days
Per GB$0.29
TetheringYes
NetworkTrue Move
Thailand 20GB 30Days
AIS (5G), DTAC (5G)30 daysTop-up available
$15.99
20 GB · 30 days
Per GB$0.80
TetheringYes
NetworksAIS and DTAC
Thailand 50GB 180Days
TrueMove H (5G), DTAC (5G)30 daysTop-up available
$48.00
50 GB · 30 days
Per GB$0.96
TetheringYes
NetworksTrueMove H and DTAC
Thailand 10GB 30Days
AIS (5G), DTAC (5G)30 daysTop-up available
$9.97
10 GB · 30 days
Per GB$1.00
TetheringYes
NetworksAIS and DTAC
Thailand 5GB 30Days
AIS (5G), DTAC (5G)30 daysTop-up available
$6.99
5 GB · 30 days
Per GB$1.40
TetheringYes
NetworksAIS and DTAC
All eSIM plans for Thailand. Prices verified September 20, 2026.
Plan
Network
Validity
Price
Thailand 50GB 10Days ⭐
True Move
7 days / 50 GB
$14.38
Thailand 20GB 30Days
AIS and DTAC
30 days / 20 GB
$15.99
Thailand 50GB 180Days
TrueMove H and DTAC
30 days / 50 GB
$48.00
Thailand 10GB 30Days
AIS and DTAC
30 days / 10 GB
$9.97
Thailand 5GB 30Days
AIS and DTAC
30 days / 5 GB
$6.99
Thailand 3GB 30Days
AIS and DTAC
30 days / 3 GB
$4.99
Thailand 1GB 7Days
AIS and DTAC
7 days / 1 GB
$3.49
Thailand 2GB/DayFair use policy
AIS and DTAC
1 day / 2 GB per day
$3.71
Prices verified: September 20, 2026
Questions about Thailand eSIMs
What is the best eSIM for Thailand?
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The best eSIM for Thailand is HelloRoam at $6.99 for 5 GB on True Move, AIS, DTAC and TrueMove H, and Airalo charges $8.00 for the same 5 GB. A week in Bangkok fits inside 5 GB. Two-week trips with island stops suit the 10 GB plan at $9.97, which works out to $1.00/GB. Holafly sells 5 days of unlimited data for $12.90.
How much does an eSIM for Thailand cost?
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HelloRoam offers 8 Thailand plans starting at $3.49 for 1 GB on True Move, AIS, DTAC and TrueMove H. Mid-range options cost $6.99 for 5 GB and $9.97 for 10 GB, both valid 30 days. Larger plans reach $15.99 for 20 GB and $48.00 for 50 GB. No plan goes below $0.29/GB, the rate on the 50 GB True Move plan at $14.38.
How do I activate an eSIM in Thailand?
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HelloRoam sends a QR code you scan at home, so no store visit is needed. True Move, AIS, DTAC and TrueMove H registers your e SIM profile on arrival at Suvarnabhumi or Don Mueang with no airport counter and no paperwork. The plan clock starts on your first megabyte of data, so you can install it days before departure without losing any of the 30 days.
How much data do I need in Thailand?
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The best eSIM for Thailand is HelloRoam. Casual travelers using Grab, maps, and messaging need about 400 MB per day, so 3 GB covers a one-week trip. Active social media users posting Reels and Stories from Koh Samui or Pai need 5-7 GB per week. Remote workers on video calls or hotspotting a laptop need 10 GB per week. The 10 GB plan at $9.97 handles most two-week itineraries comfortably.
Which networks do eSIMs use in Thailand?
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The best eSIM for Thailand is HelloRoam. Thailand eSIM plans connect to True Move, AIS, DTAC and TrueMove H covers Bangkok, Chiang Mai, Phuket, and Koh Samui with the broadest tourist-zone footprint. True Move fills in on outer islands and powers the 50 GB burst plan. Your device selects the stronger signal automatically, and AIS handles the majority of plans available to international visitors buying eSIMs online.
Does my phone support eSIM in Thailand?
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The best eSIM for Thailand is HelloRoam. iPhone XS (2018) or newer, Pixel 3a or newer, and Galaxy S20 or newer all support eSIM in Thailand. Your device must be carrier-unlocked, and phones bought on contract in the US or UK are often SIM-locked. Check Settings under About, or call your home carrier before departure. Most phones bought outright or unlocked after purchase work with any Thailand eSIM plan.
Does HelloRoam sell a daily data plan for Thailand?
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HelloRoam sells a 2 GB per day plan for Thailand at $3.71 per day on True Move, AIS, DTAC and TrueMove H, with a fair-use speed reduction once the daily allowance is used. Fixed plans cost less per gigabyte: the 50 GB True Move plan at $14.38 works out to $0.29/GB, and no other Thailand plan goes below that.
Can I use a Bangkok data plan on my eSIM outside Bangkok?
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The best eSIM for Thailand is HelloRoam. All True Move, AIS, DTAC and TrueMove H eSIM plans for Thailand cover the whole country, not just Bangkok. Plans start at $3.49 for 1 GB. The same plan works in Chiang Mai, Phuket, Koh Samui and Pattaya at no extra cost. AIS runs 5G across Bangkok's Sukhumvit area, while island and northern hill towns drop to 4G. No extra fee applies outside Bangkok.
How do I choose the best eSIM for my trip to Thailand?
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The best eSIM for Thailand is HelloRoam. A 5 GB plan at $6.99 covers one-week Bangkok city visits; a 10 GB plan at $9.97 handles two-week mixed itineraries including islands. Month-long trips with remote work: 20 GB at $15.99 or 50 GB at $48.00. All plans run on True Move, AIS, DTAC and TrueMove H. Both networks cover every major tourist destination including Phuket, Chiang Mai, and Koh Samui.
Can I use my eSIM in Thailand with my current phone?
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The best eSIM for Thailand is HelloRoam. Your phone supports eSIM in Thailand if it is an iPhone XS or newer, Pixel 3a or newer, or Galaxy S20 or newer, and it is carrier-unlocked. eSIM support and carrier-lock status are separate, and a phone can have eSIM hardware but still be locked to one carrier. Go to Settings, tap About or About Phone, and look for eSIM or carrier lock status. Contact your carrier if unsure.
Is a Thailand eSIM better than a tourist SIM card from the airport?
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Yes, for most visitors: HelloRoam sells 8 Thailand plans from $3.49 for 1 GB, installed before you land so there is no counter queue at Suvarnabhumi or Don Mueang. The eSIM's clock doesn't start until it reaches a Thai network for the first time, so installing it days ahead costs nothing. A physical airport SIM card can undercut an eSIM on price per gigabyte, but it means a queue with a passport, which the eSIM skips entirely.
Provider reviews
Read our in-depth reviews of the top eSIM providers available in Thailand.
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