eSIM Thailand
Best eSIM For Bangkok: Top 9 Providers
Feb
Compare the best Thailand eSIMs, prepaid eSIM data plans, and providers like eSIM4, Saily, and Airalo for fast and reliable internet access in Bangkok, Chiang Mai, and Phuket. Whether you are a digital nomad or visiting Thailand for a holiday, we help you find the best eSIM for Thailand.
Written by Peter Moore – eSIM Content Writer
Our Verdict: eSIM4
eSIM4 stands out as the best eSIM for Thailand. With plans starting from an incredibly low $2.98, it offers premium coverage on the AIS network, Thailand’s leading mobile provider. Whether you need a simple 10GB data allowance for a short holiday in Bangkok or a provider that offers unlimited data for a backpacking adventure in Chiang Mai, eSIM4 delivers reliable 5G mobile data without the hassle of swapping physical SIM cards. It is perfect if this is your first eSIM purchase.
Why We Chose eSIM4
- Unbeatable Value: Plans start at just $2.98 for 1GB.
- Top Connectivity: Uses the premium AIS network for 5G/4G coverage.
- Instant Setup: Install an eSIM and auto-connect on arrival with no store visits required.
- Full Features: 24/7 support and optional app for calls and SMS.
Quick Comparison: Best eSIMs for Thailand
We compared the top eSIM providers offering service in Thailand, including Saily, Airalo, and Nomad, to help you find the perfect match for your Thai vacation. Avoid expensive roaming fees with our top picks for a reliable eSIM and the best eSIMs for Thailand available.
| Rank | Provider | Rating | Starting Price | Best For |
|---|---|---|---|---|
| 1 | ⭐ eSIM4 | 4.9/5 | $2.98 | Best Overall Value |
| 2 | Saily | 4.6/5 | $2.99 | Budget Travelers |
| 3 | Airalo | 4.5/5 | $3.50 | Phone Number Included |
| 4 | Nomad | 4.5/5 | $5.00 | Flexible Plans |
| 5 | Jetpac | 4.4/5 | $4.00 | 5G Coverage |
| 6 | aloSIM | 4.3/5 | $3.50 | Calls & Value |
| 7 | Roamless | 4.2/5 | $4.50 | Pay-As-You-Go |
| 8 | GigSky | 4.2/5 | $5.00 | Long-term Stays |
| 9 | Holafly | 4.0/5 | $11.70 | Unlimited Data |
Choosing the Right eSIM Data Plan
Bangkok offers incredible diversity, from the busy streets of Sukhumvit to the temples of Wat Arun. Your amount of data needs will depend on your itinerary. Before you buy, consider these factors to ensure uninterrupted connectivity.
| Factor | Details | Why It Matters |
|---|---|---|
| Network Quality | Look for providers using AIS or TrueMove H networks. | AIS offers the best 5G coverage nationwide, crucial for navigating Bangkok’s complex streets and for trips to islands. |
| Data Needs | Determine if you need a fixed allowance or unlimited data. | Using Google Maps to navigate, Grab rides, and video calls consume data quickly. Unlimited plans are great for peace of mind. |
| Trip Duration | Match the plan validity (e.g., 7, 15, or 30 days) to your stay. | Buying a 30-day plan for a 5-day trip wastes money. Flexible durations help you save. |
| Hotspot | Check if tethering is allowed on unlimited plans. | Essential if you need to create a Wi-Fi hotspot to connect laptops or share internet with travel companions. |
Top eSIM Providers for Thailand: Reviews
We reviewed the leading eSIM providers for Bangkok based on price, coverage, and ease of use. Say goodbye to roaming fees and expensive airport SIM cards. Here are the detailed results of our analysis.
eSIM4
Best Overall Value
eSIM4 takes the top spot as the premier eSIM choice for Bangkok travelers in 2026. Trusted by over 100,000 global adventurers, it combines premium connectivity with unbeatable prices. By partnering with Advanced Info Service (AIS), the country’s top mobile network, eSIM4 ensures you have blazing fast 5G speeds whether you are in a Bangkok shopping mall like IconSiam or a remote beach bungalow. You can easily buy this eSIM online.
Coverage
Users benefit from the extensive reach of the AIS network, known for having the best coverage in Thailand. This ensures stable connections not just in cities, but also in rural provinces and across the islands.
Data Plans
Flexibility is key with eSIM4. You can choose from budget-friendly 1GB options for light use, or robust 20GB plans for longer stays. For heavy data consumers, unlimited data packages are available.
Activation Process
The process is entirely digital. After purchase, you receive a QR code via email instantly. Scan it to install, and your plan will auto-connect the moment you arrive in Thailand.
Price
With discounted rates currently available, eSIM4 offers exceptional value, with plans starting as low as $2.98.
eSIM4 Pricing Plans
| Data / Type | Duration | Price | Savings |
|---|---|---|---|
| 1 GB | 7 Days | $7.20 $2.98 | SAVE 58% |
| 2 GB | 15 Days | $9.90 $3.98 | SAVE 60% |
| 3 GB | 30 Days | $10.80 $4.98 | SAVE 54% |
| 5 GB | 30 Days | $14.40 $6.98 | SAVE 51% |
| 10 GB | 30 Days | $19.80 $9.98 | SAVE 50% |
| 20 GB | 30 Days | $32.40 $16.98 | SAVE 47% |
| Unlimited | 3 Days | $20.70 $9.98 | SAVE 52% |
| Unlimited | 5 Days | $34.20 $17.98 | SAVE 47% |
| Unlimited | 7 Days | $48.60 $25.98 | SAVE 46% |
| Unlimited | 10 Days | $63.00 $33.98 | SAVE 46% |
| Unlimited | 15 Days | $70.20 $37.98 | SAVE 46% |
| Unlimited | 30 Days | $88.20 $47.98 | SAVE 46% |
Pros & Cons
Pros
- Best price-to-data ratio
- Uses premium AIS network
- Instant QR delivery
- 24/7 customer support
Cons
- Device must be unlocked
- Voice calls require app usage
Saily
Budget Travelers
Created by the NordVPN team, Saily offers competitive pricing across 200+ countries. It is a solid choice for budget travelers to Bangkok, with plans starting at just $2.99. While speeds can fluctuate, it utilizes multiple networks (AIS, dtac, and True) to keep you connected, making it a reliable eSIM provider for cost-conscious users.
Coverage
Saily offers multi-network switching between AIS, dtac, and True, ensuring you have backup options if one network is congested in busy areas like Siam Paragon.
Data Plans
Saily provides data-only plans ranging from 1GB for short trips to 20GB for longer vacations. Note that there are no truly unlimited plans; all options have fixed data caps.
Price
Pricing is very competitive for budget users, with the 1GB plan priced at $2.99.
Pricing Plans
| Data | Duration | Price |
|---|---|---|
| 1 GB | 7 Days | $2.99 |
| 3 GB | 30 Days | $5.99 |
| 5 GB | 30 Days | $7.99 |
| 10 GB | 30 Days | $10.99 |
| 20 GB | 30 Days | $19.99 |
Pros & Cons
Pros
- Backed by NordVPN team
- Multi-network access
- Low entry price
Cons
- No phone number included
- No unlimited data options
Airalo
Phone Number Included
Airalo is a favorite among frequent flyers and often cited as one of the best eSIMs for Thailand. They offer extensive coverage through AIS and dtac. A major advantage of Airalo’s Thai plans is the inclusion of a local phone number (+66) on select packages, which is great for ride-hailing apps like Grab.
Coverage
With AIS and dtac as partner networks, Airalo offers broad coverage. Users can expect strong signals in Bangkok and decent connectivity in most island destinations.
Data Plans
Airalo offers a variety of plans, including a 50GB plan for heavy users on the dtac network. Their “Unlimited” plan on AIS throttles speeds after 50GB.
Price
Plans start at approximately $3.70 (converted from Euro) for 1GB.
Pricing Plans
| Data | Duration | Price |
|---|---|---|
| 1 GB | 7 Days | $3.70 |
| 3 GB | 30 Days | $7.00 |
| 5 GB | 30 Days | $10.00 |
| 10 GB | 30 Days | $15.00 |
| 50 GB | 10 Days | $9.90 |
Pros & Cons
Pros
- Local phone number (+66) included
- High-speed AIS/dtac networks
- Excellent app interface
Cons
- ID verification sometimes required
- Unlimited plan has a 50GB cap
Nomad
Flexible Plans
Nomad stands out with its flexible prepaid eSIMs offering strong 4G and 5G coverage across Thailand. By partnering with multiple carriers like AIS, dtac, and True, it ensures you have backup connectivity options. It is a popular choice for any digital nomad working remotely.
Coverage
Nomad leverages three major Thai networks for robust coverage. This redundancy is great for maintaining a connection as you move between Bangkok’s districts.
Data Plans
Nomad offers a wide range of plans. Their 50GB plan for 10 days is an excellent value for heavy users on short trips. Note that their “Unlimited” plans throttle speeds after 2GB per day.
Price
Starting at $5.00 for 1GB, Nomad’s fixed plans often offer better value than their unlimited options.
Pricing Plans
| Data | Duration | Price |
|---|---|---|
| 1 GB | 7 Days | $5.00 |
| 50 GB | 10 Days | $9.00 |
| 3 GB | 30 Days | $12.00 |
| 1 GB | 30 Days | $12.00 |
Pros & Cons
Pros
- Access to 3 networks (AIS/dtac/True)
- Great 50GB short-term deal
- Easy top-up via app
Cons
- Data-only (no phone number)
- Daily throttle on unlimited plans
Jetpac
5G Coverage
Singapore-based Jetpac is an excellent choice for users who prioritize 5G speed. In Bangkok, it connects to the TRUE-H 5G network and AIS, ensuring you have the fastest possible connection for streaming and video calls. If you are considering purchasing a Jetpac eSIM, you will also benefit from low-latency roaming via Singapore.
Data Plans
Jetpac offers data-only plans that range from a 1GB entry plan to a 40GB plan for heavier users.
Price
Plans start at $4.00. While not the cheapest, the 5G access and roaming quality make it worth it.
Pricing Plans
| Data | Duration | Price |
|---|---|---|
| 1 GB | 4 Days | $4.00 |
| 3 GB | 7 Days | $5.00 |
| 5 GB | 30 Days | $7.00 |
| 10 GB | 30 Days | $11.50 |
| 15 GB | 30 Days | $20.00 |
| 20 GB | 30 Days | $28.00 |
| 30 GB | 30 Days | $40.00 |
| 40 GB | 30 Days | $56.00 |
Pros & Cons
Pros
- Excellent 5G coverage (True/AIS)
- Low latency roaming (via Singapore)
- Automatic network switching
Cons
- Data-only (no local number)
- Fewer plan options than competitors
aloSIM
Phone Number + Value
aloSIM is a Canadian provider that offers excellent customer support and value. Their plans connect to the AIS network and include a phone number, making them a very practical choice for travelers who need calls and texts during their trip to Thailand.
Pricing Plans
| Data | Duration | Price |
|---|---|---|
| 1 GB | 7 Days | $3.50 |
| 2 GB | 15 Days | $5.00 |
| 3 GB | 30 Days | $6.00 |
| 5 GB | 30 Days | $8.00 |
| 10 GB | 30 Days | $16.00 |
| 20 GB | 30 Days | $19.50 |
Roamless
Pay As You Go
Roamless offers a unique pay-as-you-go model with data that never expires. You load your wallet and pay for what you use. They also offer “FIX” plans for larger data amounts, but their FLEX options are most popular for travelers who want to avoid waste. They even offer a 500 MB trial credit for new users to test the service.
Pricing Plans
| Data | Duration | Price |
|---|---|---|
| 500 MB | FLEX | FREE |
| 1 GB | FLEX | $2.95 |
| 2 GB | FLEX | $3.95 |
| 3 GB | FLEX | $4.95 |
| 5 GB | FLEX | $6.95 |
| 10 GB | FLEX | $11.95 |
| 20 GB | FLEX | $19.95 |
GigSky
Long-term Stays
GigSky is a great option for long-term stays or those who want to test the service first, as they offer a free 100MB trial. They support multi-network switching for the best coverage in rural areas. If you need a plan that works across regions, they are a solid choice.
Pricing Plans
| Data | Duration | Price |
|---|---|---|
| 100 MB | 1 Day | FREE |
| 1 GB | 7 Days | $4.50 |
| 3 GB | 15 Days | $10.00 |
| 10 GB | 30 Days | $20.00 |
Holafly
Unlimited Data
Holafly specializes in unlimited data plans for travelers who want worry-free connectivity. A key feature is the ability to keep your WhatsApp number active. They only offer unlimited data plans, and note that hotspot sharing is capped at 1GB per day.
Pricing Plans
| Data | Duration | Price |
|---|---|---|
| Unlimited | 3 Days | $11.70 |
| Unlimited | 5 Days | $19.50 |
| Unlimited | 7 Days | $27.30 |
| Unlimited | 10 Days | $36.90 |
| Unlimited | 15 Days | $50.90 |
| Unlimited | 30 Days | $74.90 |
Our Verdict: The Best eSIM for Bangkok
After thorough testing and comparison of 9 different providers, eSIM4 is our clear winner for Bangkok travel in 2026.
The combination of rock-bottom pricing (starting at $2.98), premium AIS network access, and excellent customer service makes it the smartest choice. Whether you are backpacking through Chiang Mai or enjoying a luxury stay in Bangkok, eSIM4 ensures you stay connected without overpaying. The ease of setup and reliable 5G speeds give it the edge over competitors like Saily and Airalo.
Get eSIM4 For Bangkok →How Do I Know If My Phone Is Compatible?
Most modern smartphones released in the last few years support eSIM technology. This includes iPhone XR and newer, Samsung Galaxy S20 and newer, and Google Pixel 3 and newer.
To be sure, check your device settings for an “Add eSIM” or “Add Cellular Plan” option, or consult our detailed compatibility guide below.
Check Compatibility List →Can I Make Phone Calls with My eSIM?
Most travel eSIMs for Thailand are data-only. You can still use standard VoIP apps like WhatsApp, FaceTime, or LINE (the most popular app in Thailand) to contact friends and family, provided they have the same app and an internet connection.
A Smarter Way to Call with Yabb
While standard apps are great for chatting with friends, they often fail when you need to call a hotel, book a restaurant in Bangkok, or contact a tour operator on a landline. Yabb solves this by allowing you to make high-quality voice calls to any mobile or landline number worldwide using your eSIM data. It works just like a regular phone call without the recipient needing an app, and it avoids the massive roaming fees charged by your home carrier.
- Standard Apps: Use LINE for free app-to-app calls in Thailand.
- Yabb Advantage: Call real phone numbers (hotels/restaurants) that don’t have apps.
- Zero Roaming: Avoid expensive per-minute voice charges from your home provider.
Can I Send Text Messages with My eSIM?
Need to send a quick text to a friend or confirm a booking? Yabb allows you to send and receive global SMS messages using your eSIM data.
Global Messaging
Unlike apps that require both parties to be online, Yabb lets you send real SMS texts to any mobile phone, ensuring your message gets through.
Key Features
- Pay As You Go: Purchase credits only when needed.
- Two-Way: Receive replies directly within the app.
- Global Reach: Works across Thailand and worldwide.
How to Activate Your eSIM in Bangkok
Getting online in Thailand is straightforward. Follow these steps to activate the eSIM.
- Buy Online: Buy the plan from eSIM4 before your flight.
- Scan QR Code: You’ll receive a QR code via email. Go to Settings > Cellular > Add eSIM and scan it.
- Connect: Upon arrival at Suvarnabhumi Airport (BKK), turn on the eSIM line and enable “Data Roaming”. You will connect to the AIS network automatically.
Essential Tips for Using eSIM’s in Thailand
To ensure a smooth experience while traveling across the country, here are three critical factors to keep in mind regarding your eSIM usage.
Check Device Compatibility
Before buying a plan, verify that your smartphone is eSIM compatible and carrier-unlocked. Most modern devices support this technology, but it is always best to check before you fly.
Install LINE
LINE is the dominant messaging app in Thailand. Install it before you arrive to communicate easily with local businesses, tour guides, and new friends.
Prioritize Wi-Fi for Heavy Tasks
While your eSIM keeps you connected on the go, reserve bandwidth-heavy activities for hotel or café Wi-Fi. Streaming high-definition video or backing up photos to the cloud should be done over Wi-Fi to preserve your mobile data for navigation using Google Maps.
How We Ranked These eSIM Providers
While many reviews rely on simple speed tests that only reflect a single moment in time, our approach is built on rigorous industry analysis. Our team of telecommunications experts audits the technical specifications that average users might miss but definitely feel in real-world performance. We look under the hood to see how the connection is delivered, not just if it connects.
Our Technical Evaluation Criteria
- Tier 1 vs. Tier 2 Network Access: We analyze the backend agreements to see if the eSIM connects to premium Tier 1 networks (like AIS) with priority access, or if it is relegated to a congested Tier 2 roaming partner. This determines if your data slows down in crowded areas.
- Latency & Routing Stats: Speed isn’t everything; responsiveness is key. We evaluate the data routing paths (latency) to ensure your traffic isn’t being routed halfway around the world before reaching the internet, which causes lag in video calls and maps.
- Carrier Aggregation Support: We check if the eSIM profile supports carrier aggregation – a technology that allows your phone to connect to multiple frequency bands simultaneously. This technical feature, often missing in budget SIMs, is crucial for maintaining high speeds in dense urban environments.
- Fair Usage Policy (FUP) Analysis: We scrutinize the fine print of unlimited data plans to identify hidden throttling thresholds, ensuring our top picks offer genuine high-speed data that meets the demands of modern travel.
Frequently Asked Questions
Which eSIM is best for Bangkok?
eSIM4 is our top recommendation for Bangkok in 2026. It offers the best combination of low prices, reliable AIS coverage, and responsive support. It is the best way to buy the best eSIM for your trip.
Do I need a physical SIM card in Thailand?
No. If your phone supports eSIM, a digital plan is cheaper and more convenient. You avoid the hassle of finding a store and swapping tiny physical SIM cards at Suvarnabhumi Airport.
Can I keep my WhatsApp number?
Yes. Your WhatsApp will continue to work with your original number. It simply uses the data in Thailand from your Thai eSIM to send messages.
Does eSIM4 work on Thai islands like Phuket?
Yes. Because eSIM4 uses the AIS network, which has the widest coverage in the country, it works excellently on major islands including Phuket, Koh Samui, and Koh Tao.
How fast is the internet speed?
In major cities like Bangkok and Chiang Mai, you can expect fast 5G speeds. In more rural areas, the cellular network typically switches to a stable 4G LTE signal.
Can I get a local phone number?
Most travel eSIMs are data-only. However, Airalo (dtac plans) and aloSIM offer local phone number options if receiving calls and SMS is essential for you.
