HelloRoam offers eSIM data plans for Thailand from S$4.48 a day. Your e SIM connects to local 4G/5G networks the moment you land, no roaming fees. Activate by QR code in under two minutes, fuss-free. Keep your Singtel, StarHub, or M1 number active on dual SIM while your e-sim handles data across 185+ countries.
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212+- 5G support
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eSIM for Thailand data plans covering Bangkok, Phuket and the islands
Affordable eSIM for Thailand, starting from S$4.48. Local 4G LTE and 5G data on trusted carrier networks in Thailand. Works on all eSIM compatible handphones. An e SIM Thailand plan from HelloRoam activates before you fly from Changi on AIS, DTAC, TrueMove H, and 1 more 5G networks. Plans start from S$4.48 covering Bangkok, Chiang Mai, Phuket, and Koh Samui. HelloRoam backs every order with a 180-day refund guarantee on unactivated eSIMs.
Thailand eSIM with fast 5G coverage
HelloRoam offers eSIM plans for Thailand from S$4.48. Connect on 5G and 4G networks via AIS and True Corporation (TrueMove H and dtac brands). Thailand is one of Singapore's favourite long weekend and school holiday destinations.
- Plans start at S$4.48 with 5G speeds
- Coverage from AIS and 3+ other operators
- Instant activation in under 2 minutes
- 180-day money-back guarantee
- Thailand coverage across major cities
- Network
- 5G
- Plans From
- S$4.48
- Activation
- Under 2 min
- Guarantee
- 180 days
How to Set Up an eSIM in Thailand
Follow these steps to set up your eSIM on iPhone or Android handphone. Works for any eSIM for international travel from Singapore. No replacement SIM, no store visit.
Set up an eSIM on your iPhone with the HelloRoam app
Set up an eSIM on your Android handphone with the HelloRoam app
- 1
Choose your plan and checkout online
Select a data plan for your destination and complete checkout.
2Scan the QR code
Scan the QR code to install your eSIM straight away.
- 3
Activate in minutes: ready on arrival
Your eSIM installs instantly and activates when you land.
4Manage it all from our app
Track usage, top up data, and manage all your eSIMs in one place.
Trip changed? No worries, we've got you covered!
Plans can change anytime, and that's fine. With HelloRoam, you can request a refund on any unactivated eSIM within 180 days of purchase.
Learn more about our refund policyHelloRoam Thailand eSIM vs Singtel, StarHub and M1
When comparing eSIM vs a travel SIM card for Thailand, HelloRoam wins on price. It beats Singtel DataRoam, StarHub RoamEasy, and M1 international roaming add-ons. The cheapest eSIM plan starts from S$4.48, with no activation fee and a refund on unactivated eSIMs within 180 days.
| Feature comparison | HelloRoam | Local provider | Limited data eSIM |
|---|---|---|---|
| Refund on unactivated eSIMs |  Feature available |  Feature not available | Feature not available |
| 24/7 live chat support | Feature available |  Feature available | Feature available |
| $0 activation fees | Feature available | Feature not available | Feature available |
| Automatic data alerts at 80% usage | Feature available | Feature not available | Feature not available |
| No data overage charges | Feature available | Feature not available | Feature not available |
| Instant QR code delivery | Feature available | Feature not available | Feature available |
| Premium Thailand carrier networks | Feature available | Feature not available | Feature not available |
HelloRoam eSIM vs SIM card Thailand: which is better for Singapore travellers?
HelloRoam eSIM beats a SIM card for Thailand from Suvarnabhumi Airport because you activate before boarding at Changi. Data is live on the BTS Skytrain from the airport into Bangkok from S$4.48 on AIS, DTAC, TrueMove H, and 1 more 5G without queuing at any counter. No contract.
A prepaid SIM card Thailand from DTAC or AIS at the airport requires physical pickup and SIM swap. HelloRoam sends your QR by email before you fly. Activate in two minutes from Singapore. Data covers Bangkok, Chiang Mai, Phuket, and the islands on a single plan.
A tourist sim card Thailand from Suvarnabhumi kiosks adds time on arrival when you could already be in a cab to your hotel. HelloRoam plans start from S$4.48 on AIS 5G covering the full country. Activate by QR before your Changi flight with no physical card needed.
A data sim card Thailand from Don Mueang or Suvarnabhumi gives one price with no flexibility. HelloRoam is faster. QR activation takes two minutes before you board at Changi. Data runs across Bangkok, Koh Samui, Krabi, and Chiang Mai on AIS, DTAC, TrueMove H, and 1 more networks from S$4.48.
Where do you buy sim card for Thailand? Locals suggest airport kiosks or 7-Eleven, but Singapore visitors fly in on short trips where every hour counts. HelloRoam delivers the same network access via QR before you fly from Changi from S$4.48. No physical card and no in-store registration needed.
A Thailand tourist sim from HelloRoam offers fixed and unlimited plans on AIS, DTAC, TrueMove H, and 1 more 5G from S$4.48 to match any trip length from a long weekend in Bangkok to multi-week island itineraries across Koh Samui and Krabi. Activate by QR before your Changi flight with no carrier store visit needed.
Why Singaporean Travellers Choose an e SIM for Thailand
24/7 live chat support
Need assistance at 2 am before a flight from Changi? HelloRoam support is available 24/7. Message us and a real person responds in under 2 minutes. No bots, no hold queue. Whether you need help with eSIM installation, plan changes, or troubleshooting a connection drop, the support team handles it in real time.
Best eSIM for Thailand: skip Singtel roaming charges
HelloRoam connects to local 4G/5G networks in Thailand from the moment you land, at a fraction of what Singtel, StarHub, or M1 charge for international roaming. Plans start from S$4.48 with no lock-in contract and no activation fees. You pay once and use data freely without surprise overage charges.
Keep your Singtel, StarHub, or M1 number
Keep your Singtel, StarHub, or M1 number active for calls and texts. HelloRoam handles your data through a second eSIM line on any dual SIM compatible handphone. Family and colleagues reach you on the same Singapore number while your travel data runs on a separate prepaid eSIM plan.
212+ carrier networks including Thailand
HelloRoam connects to 212+ carrier networks across 185+ countries. Fixed data and unlimited data plans available. Your handphone switches to the strongest available 4G/5G or 5G signal automatically, where offered by the local network. That means consistent speeds whether you are in a major city, a highway rest stop, or a rural area.
Data alerts before you run out
HelloRoam alerts you at 80% data usage so you are never caught mid-trip without data. Top up instantly from the app without reinstalling your eSIM or visiting a store. Additional data activates in under a minute, keeping your connection live through navigation, video calls, and streaming.
Local 4G/5G speeds
Your Thailand eSIM connects to trusted local 4G/5G networks. HelloRoam picks the strongest available signal for navigation, streaming, and video calls. You get local network speeds comparable to a prepaid SIM card purchased in-country, without the airport queue.
Regional and global eSIM plans
Travelling to multiple destinations? HelloRoam regional eSIM plans cover Southeast Asia, Europe, the Americas, and 185+ destinations in one purchase. Short holiday or long-term stay: choose fixed data or unlimited data plans. One account, no SIM swaps. A single regional plan replaces the hassle of sourcing a new local SIM card at every border crossing.
Hotspot and data sharing at no extra cost in Thailand
Share your Thailand eSIM data with a laptop or tablet using your handphone's built-in hotspot. No extra fees, no setup required. Works on all eSIM compatible devices. This is particularly useful for business travellers who need a consistent mobile broadband connection for their work laptop while abroad.
Thailand eSIM Prices in 2026
Compare HelloRoam eSIM plans for Thailand. Plans start from S$4.48 with local 4G/5G access. No Singtel or StarHub roaming surcharges.
| Number of days | Price (AUD) |
|---|---|
| 1 day | S$4.77 |
| 3 days | S$13.58 |
| 7 days | S$29.35 |
| 15 days | S$57.19 |
| 22 days | S$77.59 |
| 30 days | S$97.22 |
HelloRoam vs Other eSIM Providers for Thailand
See how HelloRoam compares to Airalo, Holafly, and other eSIM providers for Thailand travel. HelloRoam offers a refund on unactivated eSIMs within 180 days, 24/7 live chat support, and plans from S$4.48.
| Feature comparison | HelloRoam | Airalo | Holafly | Nomad | Saily | Ubigi |
|---|---|---|---|---|---|---|
| Refund on unactivated eSIMs | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| 24/7 live chat support | Feature available | Feature available | Feature available | Feature not available | Feature available | Feature available |
| A$0 activation fees | Feature available | Feature not available | Feature available | Feature not available | Feature not available | Feature not available |
| Automatic data alerts at 80% usage | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| No data overage charges | Feature available | Feature not available | Feature available | Feature not available | Feature not available | Feature not available |
| Instant QR code delivery | Feature available | Feature available | Feature available | Feature available | Feature available | Feature available |
| Premium Thailand carrier networks | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| Own branded carrier identity (SPN) | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature available |
e SIM Explained: Setting Up eSIM for Thailand
An eSIM card is a digital SIM built directly into your handphone. There is no physical chip and no SIM tray to deal with. Scan a QR code to activate your e SIM in under 2 minutes on any eSIM compatible iPhone or Android. An eSIM for Thailand works as a prepaid data plan with no airport SIM counter, no replacement SIM card, and no carrier contract. Follow the step-by-step setup guide to get connected before your flight from Changi. guide
Mobile connectivity guide for Thailand
Thailand has excellent 5G and 4G coverage throughout its tourist destinations. AIS and True Corporation (operating the TrueMove H and dtac brands) cover Bangkok, Phuket, Koh Samui, Chiang Mai, Pai, and all the popular Singapore expat holiday spots.
Bangkok's 4G and 5G coverage is strong throughout the city centre. Island areas are well covered in resort zones. A HelloRoam eSIM beats buying a Thai SIM at Suvarnabhumi Airport after your Scoot flight from Changi.
- HelloRoam connects to AIS 5G, DTAC 5G, TrueMove H 5G and 1 more in Thailand
- 5G and 4G on AIS and True Corporation (TrueMove H, dtac) across Thailand
- Connect at Suvarnabhumi or Don Mueang immediately on arrival from Changi
- Covers Bangkok, Phuket, Koh Samui, Chiang Mai, and all popular SG holiday spots
eSIM Travel Tips for Thailand
Thailand is a quick hop from Singapore: sort your eSIM before you go
Singapore to Bangkok is about 2.5 hours on Scoot. Sort your HelloRoam eSIM the night before you fly from Changi. Enable data when you land at Suvarnabhumi or Don Mueang and Grab works immediately. No queue at a SIM counter needed.
Grab Thailand is essential for BTS navigation
Bangkok's traffic can be very jialat (troublesome). Grab is the best way to get around alongside the BTS Skytrain. Both need live data. Your HelloRoam eSIM keeps Grab and the BTS Skytrain app running from the moment you land at Suvarnabhumi.
Phuket island coverage is good
Phuket's main beach areas including Patong, Kata, and Karon have strong 4G. Boat trips to Phi Phi Island and the James Bond Islands in Phang Nga Bay drop signal on open water. Download your tour itinerary and island maps before boarding from Ao Chalong pier.
Chiang Mai night markets and tuk-tuks
Chiang Mai city has excellent 4G and 5G coverage throughout the old city moat area, Nimman district, and the night markets. Grab and local tuk-tuk booking apps work well. Remote trek destinations north of the city have limited signal.
SG long weekends are best with a plan ready to go
Singapore's public holidays like Deepavali, Chinese New Year, and Hari Raya often turn into Thailand long weekends for Singaporeans. Buy your HelloRoam eSIM well before any long weekend peak and activate it at home so you are ready to go from Changi T1 or T3.
Mobile networks in Thailand: what Singapore travellers need to know
HelloRoam connects on AIS, TrueMove H, and dtac in Thailand. AIS and True Corporation (which operates TrueMove H and dtac) are Thailand's two main network groups with strong 5G in Bangkok and tourist centres and good 4G on islands and rural areas. Multiple network options provide good coverage redundancy throughout Thailand. Your eSIM selects the strongest available signal.
- AIS
- 5G
- DTAC
- 5G
- TrueMove H
- 5G
- True Move
- 4G
HelloRoam eSIM vs Singtel, StarHub, or M1 Thailand roaming
Here is a straightforward look at your Thailand data options from Singapore.
| Category | HelloRoam eSIM Recommended | Thai SIM card | Singtel, StarHub, or M1 Thailand roaming |
|---|---|---|---|
| Typical cost | From SGD 4.52 total | SGD 10.28–SGD 35.97 total | SGD 12.85–SGD 25.69/day |
| Details | Plans from S$4.48. Buy before your Scoot flight from Changi, activate at home, and arrive at Suvarnabhumi already on local Thai data. | Available at Suvarnabhumi Airport counters. Tourist SIM packages are sold at gate exits but an eSIM at home is even more convenient. | Singapore carrier Thailand roaming add-ons can cost $5 to $15 per day. For a week in Bangkok or Phuket this adds up significantly compared to a HelloRoam eSIM. |
Prices approximate as of . Actual savings vary.
Best time to visit Thailand from Singapore
Thailand's dry and cool season from November to February is the most popular with Singapore visitors. March to May is very hot. The wet season from June to October is rainier but cheaper. Singapore's school holiday periods in June and November/December are peak times for SG families heading to Thailand.
Reviewed by the HelloRoam Editorial Team
Reviewed by the HelloRoam Editorial Team
Top Destinations in Thailand
Bangkok
HelloRoam connects travelers in Bangkok with reliable data across Thailand. No SIM card swap needed.
AIS and TrueMove H offer 5G across Bangkok. Both Suvarnabhumi and Don Mueang airports have excellent indoor coverage.
Phuket
Use HelloRoam in Phuket for instant connectivity. Our Thailand plans work on any eSIM phone.
AIS and TrueMove H 5G cover Phuket well. Phuket Airport has strong coverage in all terminals.
Bang Kapi
Bang Kapi is a Bangkok district in the eastern inner city, home to The Mall and easy access to major motorways. HelloRoam keeps you connected across the Thai capital.
AIS 5G covers Bang Kapi and most of Bangkok. The Airport Rail Link reaches Suvarnabhumi in under 30 minutes.
Chiang Mai
Chiang Mai is the jewel of northern Thailand, offering a moated old city packed with temples, world-class cooking schools, ethical elephant experiences, and excellent craft coffee.
Stay online in northern Thailand with HelloRoam, Chiang Mai city and most mountain national parks have good 4G.
Chon Buri
HelloRoam delivers mobile data in Chon Buri, keeping you online throughout Thailand.
Chon Buri, including Pattaya, has AIS 5G. Laem Chabang port and the coastal strip get strong signal.
Hua Hin
Hua Hin is a royal beach resort town south of Bangkok, beloved by Thais and expats for its calm Gulf beaches and great seafood. HelloRoam keeps you online.
AIS and True Move H cover Hua Hin with 4G. The town is 3.5 hours from Bangkok by train on the Southern Line.
Mueang Nonthaburi
Arrive in Mueang Nonthaburi ready to connect. HelloRoam covers all of Thailand with fast data.
Nonthaburi near Bangkok has AIS and TrueMove H 5G. The MRT Purple Line maintains in-station connectivity.
Pattaya
Pattaya on the Gulf of Thailand is a resort city that has reinvented itself, now offering family water parks, upscale resorts, island-hopping, and world-class diving alongside its nightlife.
Stay connected from Bangkok to Pattaya with HelloRoam, the highway and beach strip both have strong Thai network signal.
Phra Nakhon
Explore Phra Nakhon without losing connection. HelloRoam offers fast data across Thailand.
Phra Nakhon in central Bangkok has dense AIS 5G. The Grand Palace and Khao San Road are fully covered.
Samut Prakan
Browse and stream in Samut Prakan with HelloRoam mobile data plans for Thailand.
Samut Prakan borders Bangkok and shares its dense 5G coverage. Suvarnabhumi Airport sits within this province.
Udon Thani
Udon Thani is northeast Thailand's major city, a gateway to Laos and the ancient Bronze Age site of Ban Chiang. HelloRoam keeps you connected.
AIS and DTAC run 4G in Udon Thani. Activate before landing at Udon Thani International Airport.
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Reviews
Trusted by Singaporean Travellers
Real reviews from Trustpilot and the App Store, quoted as written.
40k+ travellers have used HelloRoam
Cat
On a trip to Europe, my hotel Wi-Fi was so slow and outside Wi-Fi was unreliable. I couldn’t take it anymore so I got helloroam for a few days. It was tricky to set up correctly because of the primary settings (with my original number). But I reached out to their customer service via WhatsApp. Super responsive and helpful, with specific and clear steps to troubleshoot. Appreciate having 4G roaming instead of being stuck with in and out Wi-Fi during my trip!!
Rated 5 out of 5 by this reviewer
Very good experience! The eSIM was easy to set up and worked great in London. It was much cheaper than it would have been to use my own operator there.
Ilona
Rated 5 out of 5 by this reviewer
metulker
Hard to set up but help was good
Rated 5 out of 5 by this reviewer
Reuben
Really happy with HelloRoam. Everything worked as expected, from messaging and Google Maps through to streaming without any issues. Easy to use, reliable and affordable. Would happily use them again when travelling.
Rated 5 out of 5 by this reviewer
Angeline
Reliable connection. Reasonable pricing.
Rated 4 out of 5 by this reviewer
Updated
FAQs About eSIM in Thailand
How much does a sim for Thailand cost for a two-week Singaporean holiday?
A travel sim Thailand plan from HelloRoam starts at S$4.48 on AIS 5G networks. Coverage reaches Bangkok, Chiang Mai, Phuket, Koh Samui, and Krabi on a single purchase. Activate via QR before your Changi flight. No contract required.
Which SIM card for Thailand covers Bangkok, Phuket, and Chiang Mai on one plan?
An e-sim Thailand plan from HelloRoam covers your full trip with local network speeds from S$4.48. Set up takes two minutes before you board your Changi flight so data is ready from landing at Suvarnabhumi. No physical card needed and no contract.
Which eSIM is best for Singaporeans travelling to Thailand?
For trips to Thailand, HelloRoam is a simple eSIM choice. Plans start from S$4.48 in SGD with access to local 4G/5G networks across 212+ carrier networks. Activate via QR code in under 2 minutes before departing from Changi Airport. Your Singtel, StarHub, or M1 number stays active through dual SIM while HelloRoam handles data abroad. You get a refund on unactivated eSIMs within 180 days and 24/7 live chat support.
How much does a Thailand eSIM cost compared to Singtel and StarHub roaming?
A Thailand eSIM from HelloRoam costs from S$4.48 for the full plan. Compare that to Singtel DataRoam daily passes and StarHub RoamEasy rates, which typically cost S$15 to S$30 per day. HelloRoam connects to local networks in Thailand at local data prices, with no daily roaming surcharges and no carrier contract. All plans include local 4G/5G access with no overage charges.
Which local mobile networks does an eSIM use in Thailand for Singapore travellers?
An eSIM for Thailand from HelloRoam connects to local 4G/5G carrier networks. Your handphone picks the strongest available signal the moment you land. Coverage spans major cities, highways, and most rural areas. HelloRoam has direct partnerships with local networks globally, so you get data speeds comparable to a local prepaid SIM card in Thailand.
How do I set up a HelloRoam eSIM before departing Changi Airport?
Buy your Thailand eSIM before you leave Singapore in three steps. First, select your plan at helloroam.com and complete checkout in SGD. Second, open your handphone Settings, tap Add eSIM or Add Mobile Plan, and scan the QR code from your email. Third, your eSIM installs in under 2 minutes. Set it up the night before your flight from Changi and land connected.
Does my iPhone or Android handphone support a Thailand eSIM?
iPhone XS and all newer models support HelloRoam eSIM in Thailand. iPhone 13 and later models support dual eSIM, so your Singtel or StarHub line stays active for calls while HelloRoam handles travel data. For Android, Samsung Galaxy S20 and newer, Google Pixel 3 and later, and most 2019+ Android handphones support eSIM. Check your handphone Settings for an Add eSIM option to confirm compatibility.
What is the best eSIM for Thailand from Singapore?
HelloRoam is a top eSIM choice for Thailand for Singapore travellers. Plans start at S$4.48 with 5G and 4G data on AIS and True Corporation (TrueMove H and dtac brands). Buy before your Scoot flight from Changi, activate at home, and arrive at Suvarnabhumi already on local data. No airport SIM queue.
Does a HelloRoam eSIM work in Thailand?
Yes, HelloRoam eSIM plans work across Thailand on AIS, TrueMove H, and dtac. Activate at home and connect the moment you land at Suvarnabhumi.
Does the eSIM work on Thai islands?
Yes, Phuket, Koh Samui, Koh Phangan, and Koh Lanta have solid 4G in resort areas. Ferry crossings and very remote outer islands drop signal. Download offline maps before island-hopping.
How much does a Thailand eSIM cost?
HelloRoam eSIM plans for Thailand start at S$4.48. A short plan covers a long Bangkok weekend. A larger plan suits a two-week Phuket and Chiang Mai holiday.
How much data do I need for a week in Thailand?
A week in Thailand using Grab, Google Maps, Line, social media, and messaging back to Singapore typically uses 4 to 8 GB. A 5 GB or 10 GB plan suits most Singapore-to-Thailand holidays.
Can I top up my Thailand eSIM from the HelloRoam app?
Yes, the HelloRoam app shows your real-time data balance and lets you add more data without reinstalling your eSIM. Useful if your Bangkok shopping mall browsing eats through data faster than expected.
Which network does HelloRoam use in Thailand?
HelloRoam eSIM for Thailand connects on AIS with 5G coverage. Thailand has 4 network partners in the HelloRoam system. Your phone picks the strongest available signal automatically. Buy before your flight from Changi and connect the moment you land.
How many days does the Thailand eSIM last?
HelloRoam eSIM plans for Thailand last from 12 to 30 days depending on the data tier you choose. Thailand has 5G coverage via AIS. A longer plan suits Singapore travellers on extended holidays or business trips. Select your plan, scan the QR code at home, and connect from the moment you land.
What to Know Before You Buy
Handphone must be carrier-unlocked
Data only: make voice calls via WhatsApp or VoIP
Coverage varies by destination and local network
Wi-Fi required to download eSIM profile
Transparency Notice
- Service Provider Name (SPN)
- The SPN is a standard field in every eSIM profile, and it is why HelloRoam shows up as the carrier name on your handphone's status bar. Most travel eSIM resellers skip this step. HelloRoam provisions its own Service Provider Name.
- Public Network Name (PNN)
- The PNN is the network name field inside your eSIM profile, defined in the 3GPP standard TS 31.102 (EF_PNN). Your handphone can read this field to display the name of the network you are connected to.
- Access Point Name (APN)
- Your HelloRoam eSIM sets its Access Point Name automatically during installation. Your handphone picks up the strongest local network without any manual settings to fiddle with.
Prices shown are HelloRoam's retail rates across 185+ countries. Plan picks are based on real traveller feedback and network performance data, not guesswork. You can get a refund on unactivated eSIMs within 180 days.
Future Syncs Limited 124 City Road, London, EC1V 2NX, UK +44 203 916 6249 help@helloroam.com Reg. No. 15950168
