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Compare eSIM Plans for Thailand
Find an eSIM for your trip to Thailand. Compare plan prices, data and validity, and explore local network coverage and published speed benchmarks before you choose.
Compare plansPlan snapshot
Updated Oct 5, 19:04 UTCUpdated at October 5, 2026, 19:04 UTC
$0.51
482
7
Prices in USD. Check the provider's terms before purchasing.
476 plans match your filters · showing 50
RedteaGO
Asia (10+ Regions) - Data Basic Unlimited Data
AIS, Dtac
RedteaGO
Global (130+ areas) - Data Basic Unlimited Data
AIS, Dtac
eSIM Card
Unlimited Plus eSIM Data for 1 Day for Thailand
AIS
RedteaGO
Thailand - Data Premium Unlimited Data
AIS, Dtac
Buying Guide
How to Choose an eSIM for Thailand
The right plan depends on how long you will be in Thailand, where you will travel and how you use your phone. A few days in Bangkok has different needs from a route through Chiang Mai, a beach stay in Phuket, a ferry to a smaller island, or a crossing into Cambodia, Laos or Malaysia.
Match the validity to your full trip
Choose a validity period that covers every day you need mobile data, including your arrival and departure days. Do not assume a plan starts when you land. Some providers begin the validity period when the eSIM is installed, while others start it when the eSIM first connects to a supported network.
Check the activation rule before installing. A low priced plan can become poor value if its validity starts too early or expires before the end of your trip.
Choose data for the way you travel
Maps, messaging and occasional browsing use far less data than video, cloud backups, video calls or sharing a connection with a laptop. Pick a fixed data allowance if your use is predictable. Consider a larger or unlimited plan if you expect to work remotely, stream often or use hotspot regularly.
Check the local network partner
The mobile networks in Thailand are AIS and True. True also sells service under the dtac brand. dtac is not a separate network. International eSIM providers connect through one or more of these local partner networks.
The local partner matters because coverage and performance vary by location. Check the network shown on each plan, especially if your route leaves Bangkok or includes the northern mountains, a southern island, or a ferry crossing.
Compare the restrictions, not just the data label
Two plans with the same data allowance can offer very different value. Compare price per GB, hotspot support, 5G access, top up options and any speed cap. For unlimited plans, read the fair use policy and check how much high speed data is included before speeds are reduced.
Decide whether you need calls and texts
Many travel eSIMs are data only. You can still use WhatsApp, FaceTime, Signal and other internet-based apps, but you may not receive a Thai phone number or standard voice and SMS service.
If you need a local number for calls, restaurant bookings or other services, filter for plans that clearly include voice and SMS. Confirm the number type and the countries covered before purchasing.
Data Guide
How Much Data Do You Need in Thailand?
Your actual use depends on app settings, video quality, background activity and how often you connect to WiFi. These broad ranges can help you choose a starting point.
| Traveler type | Suggested planning range | Typical use |
|---|---|---|
| Light user | 1 to 3 GB per week | Google Maps, WhatsApp, email, web browsing and occasional social media |
| Average traveler | 5 to 10 GB per week | Frequent navigation, social media, music, travel apps and some short video |
| Heavy user | 15 GB or more per week | Video calls, streaming, remote work, frequent uploads and hotspot use |
Download offline maps, music and entertainment over WiFi before traveling if you want a smaller plan. Turn off automatic photo backups and app updates on mobile data to prevent background use from consuming your allowance.
An unlimited plan can be convenient, but it is not automatically the fastest option. Compare the high speed allowance, fair use terms, hotspot rules and reduced speed before deciding.
Coverage
Mobile Networks and eSIM Coverage in Thailand
Major mainland networks
- AIS
- True
The mobile networks in Thailand are AIS and True. True also sells service under the dtac brand. AIS reports that its own 5G network covers more than 95% of the population. True reports 5G in key areas of all 77 provinces, and more than 99% of the population in Bangkok and the Eastern Economic Corridor. Those are each operator's figures, not a combined national total. A travel eSIM only receives the networks and technologies in its provider agreement.
Bangkok, Chiang Mai, Phuket and Pattaya usually offer more network choice than smaller towns and open country. Signal quality can still change inside buildings, on the BTS and MRT, on ferries and on smaller islands.
A 5G label is not a coverage promise. A travel eSIM can stay on 4G when the plan, the partner or the phone does not support 5G at that spot. Check the listed partner and its coverage map when you need a connection for navigation.
Network speed testSection reviewed
Mobile network speeds in Thailand
Thailand has 2 main mobile networks: True and AIS. True leads native download tests at 77.2 Mbps, and AIS shows the lowest reported latency at 28 ms. Travel eSIMs connect through these local host networks — check which partner a plan uses, and treat the figures below as native-network benchmarks rather than guaranteed roaming speeds.
Benchmarks reflect native host network performance. Roaming eSIM latency and speeds may vary by provider routing.
Network data source: nPerf (Jan 2025 – Dec 2025)
Plan prices checked: Oct 5, 2026
Thailand mobile networks compared
| Network | Download | Upload | Latency | Best for | eSIM plans |
|---|---|---|---|---|---|
TrueFastest download | 77.2 Mbps | 24.2 Mbps | 30 msExcellent | HD streaming, gaming, video calls | eSIMs on True |
AISLowest latency | 77 Mbps | 19.9 Mbps | 28 msExcellent | HD streaming, gaming, video calls | eSIMs on AIS |
- Download
- 77.2 Mbps
- Upload
- 24.2 Mbps
- Latency
- 30 msExcellent
- Best for
- HD streaming, gaming, video calls
- Download
- 77 Mbps
- Upload
- 19.9 Mbps
- Latency
- 28 msExcellent
- Best for
- HD streaming, gaming, video calls
Nationwide native-network averages; your speed depends on location, device, plan, and roaming routing.
Thailand mobile internet: common questions
Speeds by citySection reviewed
Best mobile network by city in Thailand
Opensignal network analytics compared download speeds across 7 cities and regions in Thailand (Apr 2026 – Jun 2026). Use this to pick an eSIM on the network that performs best where you’ll spend most of your time.
Benchmarks reflect native host network performance. Roaming eSIM latency and speeds may vary by provider routing.
Network data source: Opensignal network analytics (Apr 2026 – Jun 2026)
Plan prices checked: Oct 5, 2026
Showing 7 of 7 cities and regions, A–Z
Bangkok
+6% leadFastest network
6% faster than dtac (56.7 Mbps)
- AIS59.9 Mbps
- dtac56.7 Mbps
- TrueMove H54.4 Mbps
Gaming & video calls
AIS
Most reliable
AIS
Fastest 5G
dtac · 137 Mbps
Best upload
AIS · 21.3 Mbps
Opensignal network analytics · Apr 2026 – Jun 2026 · download speed
Central Thailand
+6% leadFastest network
6% faster than dtac (40.8 Mbps)
- AIS43.4 Mbps
- dtac40.8 Mbps
- TrueMove H39.5 Mbps
Gaming & video calls
AIS
Most reliable
AIS
Fastest 5G
dtac · 96.3 Mbps
Best upload
AIS · 16.9 Mbps
Opensignal network analytics · Apr 2026 – Jun 2026 · download speed
East (Pattaya, Rayong)
+9% leadFastest network
9% faster than dtac (43.2 Mbps)
- AIS46.9 Mbps
- dtac43.2 Mbps
- TrueMove H42 Mbps
Gaming & video calls
AIS
Most reliable
dtac
Fastest 5G
dtac · 108 Mbps
Best upload
AIS · 15.7 Mbps
Opensignal network analytics · Apr 2026 – Jun 2026 · download speed
North (Chiang Mai)
Close raceFastest network
Neck-and-neck with AIS (33.7 Mbps)
- dtac34.1 Mbps
- AIS33.7 Mbps
- TrueMove H31 Mbps
Gaming & video calls
dtac
Most reliable
dtac
Fastest 5G
AIS · 86.3 Mbps
Best upload
AIS · 13.7 Mbps
Opensignal network analytics · Apr 2026 – Jun 2026 · download speed
Northeast (Isan)
Close raceFastest network
Neck-and-neck with AIS (34 Mbps)
- dtac34.6 Mbps
- AIS34 Mbps
- TrueMove H30.5 Mbps
Gaming & video calls
AIS
Most reliable
dtac
Fastest 5G
dtac · 84.1 Mbps
Best upload
AIS · 11.9 Mbps
Opensignal network analytics · Apr 2026 – Jun 2026 · download speed
South (Phuket, Krabi)
+3% leadFastest network
3% faster than dtac (33.5 Mbps)
- AIS34.5 Mbps
- dtac33.5 Mbps
- TrueMove H33 Mbps
Gaming & video calls
AIS
Most reliable
AIS
Fastest 5G
AIS · 94.4 Mbps
Best upload
AIS · 11.4 Mbps
Opensignal network analytics · Apr 2026 – Jun 2026 · download speed
West Thailand
Close raceFastest network
Neck-and-neck with TrueMove H (35.7 Mbps)
- AIS36.4 Mbps
- TrueMove H35.7 Mbps
- dtac34.9 Mbps
Gaming & video calls
AIS
Most reliable
dtac
Fastest 5G
AIS · 78.9 Mbps
Best upload
AIS · 15.4 Mbps
Opensignal network analytics · Apr 2026 – Jun 2026 · download speed
Best network by city in Thailand: common questions
Unlimited Plans
Are Unlimited eSIM Plans Available in Thailand?
Unlimited and high data eSIM plans are available for Thailand when shown in the current comparison results. The word unlimited does not describe every condition of a plan.
One provider may include a daily high speed allowance followed by slower data. Another may apply a fixed speed cap, a fair use threshold or a separate hotspot limit. Some plans allow tethering without a stated cap, while others restrict it or do not support it.
Open the plan details and compare these points:
The amount of data available at full speed
The speed after any daily or total allowance is reached
Whether hotspot and tethering are allowed
Any daily reset time
The network and 5G access
The activation and validity rules
Choose unlimited for the conditions you need, not only for the label.
Compare Thailand planseSIM vs Local
eSIM or Local SIM in Thailand?
Both can work well. The better choice depends on whether you value setup before arrival, a local phone number or access to a particular Thai operator.
| Travel eSIM | Local SIM or operator eSIM |
|---|---|
| Can usually be purchased before departure | Often purchased from a Thai operator shop or airport dealer |
| No physical SIM swap is needed | Physical SIM and eSIM options depend on the operator |
| Lets you keep your primary SIM installed | May replace a physical primary SIM in a single slot phone |
| Makes plans from several providers easier to compare | May offer local bundles and a Thai phone number |
| Many plans are data only | Voice and SMS options are more common |
| Support and identification requirements depend on the provider | A visitor registers a local line in person with a passport |
A travel eSIM is useful when you want data ready for arrival and do not need a Thai number. A local plan may suit a longer stay or a traveler who needs conventional calls, SMS and local service. NBTC rules require that registration in person with a passport. A person who is not a Thai national is limited to three SIMs with each provider, and a product sold as a tourist SIM is limited to 60 days. Compare the complete package rather than assuming one type is always cheaper.
Country vs Regional
Should You Choose a Thailand eSIM or a Regional Asia eSIM?
Thailand eSIM
A Thailand specific eSIM usually makes sense when most or all of your trip is within Thailand. Many visits never leave the country. It may provide more plan choices or a better price for the amount of data you need.
Regional Asia eSIM
A regional Asia eSIM can be more convenient if the same trip includes Cambodia, Laos or Malaysia. You can keep one eSIM profile active while crossing those borders instead of installing a separate plan in each country.
- Cambodia
- Laos
- Malaysia
Compatibility
Will My Phone Work With an eSIM in Thailand?
Your phone generally needs to support eSIM and be carrier unlocked. Compatibility can vary by model, country of purchase and device configuration, even when a phone family normally supports eSIM.
Look in your phone settings for an option to add an eSIM or mobile plan, and confirm your exact model supports eSIM before purchasing. If your device is locked to a carrier, contact that carrier before traveling.
Traveler Tips
Mobile Connectivity Tips for Thailand
Install before departure, but check the start rule.
Installation at home gives you reliable WiFi and time to solve setup issues. Wait if the provider starts validity at installation.
Protect your primary SIM from roaming charges.
Keep it active if you need your usual number for calls or verification texts, but turn off mobile data switching and data roaming for that line.
Download maps before the north or a smaller island.
Signal can thin out on mountain roads in the north and on smaller islands. Save maps and ferry tickets before you leave a city.
Expect signal changes on the BTS, MRT, and ferries.
Coverage can change in Bangkok's elevated and underground stations and during a sea crossing. Download the route if you need it offline.
The islands are part of {countryName}.
Phuket, Koh Samui, Koh Phi Phi and the other islands are part of Thailand. A plan covers them when the provider's coverage does. Check before a ferry to a smaller island.
Cambodia, Laos, or Malaysia needs its own listing.
Data for Thailand stops at the border. Cambodia, Laos, Malaysia, Myanmar, Vietnam and Singapore have to be named if you want data there too.
Top Providers available in Thailand
A quick overview of travel eSIM options for Thailand
eSIM Card
Yaalo
Saily
Airalo
RedteaGO
Yesim
VoyeGlobal
Popular Destinations
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Frequently Asked Questions
Clear answers about choosing, installing, and traveling with prepaid eSIMs.
Still have questions about choosing an eSIM?
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