Looking for the best internet package Thailand has to offer? If you’re tired of so-called “unlimited” plans that throttle your speed or cap your data usage, you’re not alone. Thai internet users especially prepaid customers are constantly searching for data packages that are truly unlimited, with no speed drops, no hidden limits, and no unexpected charges.
This article introduces you to the most popular prepaid internet packages in Thailand that offer unlimited usage at fixed speeds—ideal for locals, students, and long-term residents who rely heavily on mobile data.
What’s Wrong with “Most” Unlimited Internet Packages / Sim Cards?
In a previous post, we explored whether unlimited data packages are worth the cost and even recommended prepaid SIM card options for travelers staying in Thailand long-term. But here’s the catch: even the most recommended plans—like AIS Zeed, DTAC Kangkapan, or TrueMove Marathon—still come with data caps, usually around 50–100GB, even if they advertise as “unlimited.”
After reaching the data threshold, your speed will often drop dramatically (as low as 128Kbps), or you’ll be charged up to ฿2 per MB for additional usage. You can read more about these limitations in our detailed comparison blog here:
👉 Best Long-Term SIM Plans in Thailand
The Real Unlimited: No Data Cap, No Throttling
The best internet package Thailand users now prefer is the one that doesn’t restrict how many gigabytes you can use and doesn’t reduce your internet speed ever.
With these truly unlimited prepaid data packages, you don’t need to worry about your monthly usage. Whether you stream HD videos, make video calls, or work remotely every day, your speed stays consistent from start to finish.
These plans are available in a variety of durations:
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Short-term: 1 day, 7 days, or 30 days
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Long-term: 90 days and even up to 180 days
Choose Your Speed & Duration
You can select from a range of fixed-speed packages based on your needs and budget. Popular speed options include:
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512 Kbps – Suitable for light browsing and messaging apps
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1 Mbps – Good for basic web use and social media
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4–6 Mbps – Smooth video streaming and general use
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10–12 Mbps – Ideal for heavy streaming, Zoom meetings, and multitasking
Each plan comes at a different price depending on the speed and validity period. Some packages are internet-only, while others include unlimited calls within the same network or limited minutes.
Important: These Are Data Packages, Not SIM Cards
Please note that these are prepaid internet packages, not prepaid SIM card bundles. You must already have a prepaid SIM card from AIS, TrueMove H, or DTAC to activate these plans.
If you don’t have one yet, you can buy a prepaid SIM for ฿49–฿50 from any 7-Eleven or mobile store in Thailand. Once activated, you can top up your balance and subscribe to any of these prepaid unlimited internet packages.
DTAC Prepaid Unlimited Internet
| Package Name | Validity | Speed | Price (THB) |
| No Limit: Unlimited 8 Mbps | 15 days | 8 Mbps | 32 |
| No Limit: Unlimited 8 Mbps (upgrade from 4 Mbps) | 15 days | 8 Mbps | 32 |
| No Limit: Unlimited 2 Mbps | 1 day | 2 Mbps | 30 |
| No Limit: Unlimited 10 Mbps (discounted) | 15 days | 10 Mbps | 45 |
| No Limit: Unlimited 8 Mbps (3 days) | 3 days | 8 Mbps | 79 |
| Special: 30GB @8Mbps for 3 days | 3 days | 8 Mbps (30 GB) | 88 |
| No Limit: Unlimited 512 Kbps | 7 days | 512 Kbps | 89 |
| No Limit: Unlimited 1 Mbps | 7 days | 1 Mbps | 120 |
| No Limit: Unlimited 10 Mbps (discounted) | 7 days | 10 Mbps | 270 |
| Special: 50GB @8Mbps for 15 days | 15 days | 8 Mbps (50 GB) | 168 |
| No Limit: Unlimited 4 Mbps | 7 days | 4 Mbps | 220 |
| Value Net: Unlimited 256 Kbps | 15 days | 256 Kbps | 4 |
| 50GB @20Mbps + unlimited @384Kbps | 30 days | 20 Mbps (50 GB) | 299 |
| No Limit: Unlimited 512 Kbps | 30 days | 512 Kbps | 300 |
| No Limit: Unlimited 1 Mbps | 30 days | 1 Mbps | 375 |
| No Limit: Unlimited 2 Mbps | 30 days | 2 Mbps | 450 |
| Special: Unlimited 10 Mbps | 30 days | 10 Mbps | 450 |
| 30GB @15Mbps + unlimited @384Kbps | 30 days | 15 Mbps (30 GB) | 280 |
| No Limit: Unlimited 20 Mbps | 30 days | 20 Mbps | 475 |
| No Limit: Unlimited 4 Mbps | 30 days | 4 Mbps | 650 |
| No Limit: Unlimited 10 Mbps | 30 days | 10 Mbps | 1110 |
| No Limit: Unlimited 20 Mbps (discounted) | 30 days | 20 Mbps | 475 |
| Value Net: Unlimited 256 Kbps (15 days) | 15 days | 256 Kbps | 4 |
| No Limit: Unlimited 8 Mbps (repeat) | 15 days | 8 Mbps | 32 |
TrueMove H Prepaid Unlimited Internet
| Package Name | Validity | Speed | Price (THB) |
| Unlimited Net 4 Mbps – 1 Day | 24 hours | 4 Mbps | 32 |
| Unlimited Net 6 Mbps – 1 Day | 1 day | 6 Mbps | 45 |
| Unlimited Net 10 Mbps – 1 Day | 24 hours | 10 Mbps | 55 |
| Unlimited Net 1 Mbps – 30 Days | 30 days | 1 Mbps | 350 |
| Unlimited Net 4 Mbps – 48 Hours | 48 hours | 4 Mbps | 59 |
| Unlimited Net 12 Mbps – 7 Days | 7 days | 12 Mbps | 180 |
| Unlimited Net 1 Mbps – 48 Hours | 48 hours | 1 Mbps | 45 |
| Net 1 Mbps – 7 Days | 7 days | 1 Mbps | 120 |
| Net 1 Mbps – 24 Hours | 24 hours | 1 Mbps | 25 |
| Unlimited Net 4 Mbps – 1 Day | 1 day | 4 Mbps | 30 |
| Net 512 Kbps – 30 Days | 30 days | 512 Kbps | 300 |
| Unlimited Net 6 Mbps – 48 Hours | 48 hours | 6 Mbps | 85 |
| Net 6 Mbps – 30 Days | 30 days | 6 Mbps | 850 |
| Unlimited Net 1 Mbps – 1 Day | 1 day | 1 Mbps | 27 |
| Unlimited Net 10 Mbps – 48 Hours | 48 hours | 10 Mbps | 100 |
| Net 512 Kbps – 1 Day | 1 day | 512 Kbps | 24 |
| Unlimited Net 4 Mbps + Unlimited Call – 15 Days | 15 days | 4 Mbps + Unlimited Call | 365 |
AIS Prepaid Unlimited Internet (No Speed Drop)
| Package Type | Package Name | Validity | Speed | Price (THB) |
| Marathon | Marathon 1 Year – 6 Mbps | 12 months | 6 Mbps | 3500 |
| Marathon | Marathon 1 Year – 4 Mbps | 12 months | 4 Mbps | 2500 |
| Marathon | Marathon 1 Year – 1 Mbps | 12 months | 1 Mbps | 1800 |
| Marathon | Marathon 6 Months – 6 Mbps | 6 months | 6 Mbps | 1800 |
| Marathon | Marathon 6 Months – 4 Mbps | 6 months | 4 Mbps | 1400 |
| Marathon | Marathon 6 Months – 1 Mbps | 6 months | 1 Mbps | 1200 |
| Marathon | Marathon 90 Days – 10 Mbps | 90 days | 10 Mbps | 1925 |
| Marathon | Marathon 90 Days – 4 Mbps | 90 days | 4 Mbps | 1285 |
| Marathon | Marathon 90 Days – 1 Mbps | 90 days | 1 Mbps | 800 |
| Mao Mao | Mao Mao 30 Days – 6 Mbps | 30 days | 6 Mbps | 850 |
| Mao Mao | Mao Mao 30 Days – 4 Mbps | 30 days | 4 Mbps | 650 |
| Mao Mao | Mao Mao 30 Days – 1 Mbps | 30 days | 1 Mbps | 350 |
| Mao Mao | Mao Mao 1 Day – 6 Mbps | 1 day | 6 Mbps | 45 |
| Mao Mao | Mao Mao 1 Day – 4 Mbps | 1 day | 4 Mbps | 32 |
| Mao Mao | Mao Mao 1 Day – 1 Mbps | 1 day | 1 Mbps | 30 |
| Marathon | Marathon 1 Year – 6 Mbps (duplicate) | 12 months | 6 Mbps | 3500 |
Where to Find These Prepaid Unlimited Internet Packages
Explore the official pages of each provider for the latest prepaid unlimited internet packages with no speed reduction:
🔹 AIS Prepaid Unlimited Internet (No Speed Drop)
👉 AIS Marathon Packages
🔹 TrueMove H Prepaid Unlimited Internet
👉 TrueMove H Package Page
🔹 DTAC Prepaid Unlimited Internet
👉 DTAC Unlimited Data Plans
Final Thoughts
If you’re in Thailand and need consistent, high-speed, truly unlimited prepaid internet, these packages are the real deal. Whether you’re a local, a student, or a long-term resident, there’s a plan to match your budget and lifestyle.
Say goodbye to data limits and throttling, choose the best internet package Thailand has to offer, and stay connected without compromise.