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eSIM Southeast Asia

A Southeast Asia eSIM starts at NZ$6.85 on Local network provider 4G/5G networks covering Thailand, Vietnam, Indonesia, Malaysia, and the Philippines. Scan the QR code at home in Auckland before your SE Asia OE and land at Suvarnabhumi, Tan Son Nhat, or KUL already connected.

e SIM Southeast Asia data plans

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1eSIM
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NZ$6.18

to earn NZ$0.30 back in credit

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to earn NZ$0.30 back in credit

Pop your eSIM on whenever suits, there's no rush. It only starts counting once your mobile links up to a local network when you land.

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HelloRoam sells eSIM data plans for Southeast Asia from NZ$6.85. It partners with 212+ mobile networks worldwide. Your eSIM connects to local 4G/5G networks the moment you land. Scan a QR code and you're set up in under two minutes, with no SIM swap. Your Spark, One NZ or 2degrees number stays active while the eSIM handles data. Unactivated eSIMs qualify for a refund, and live support runs 24/7.

network coverage
212+
network type
4G LTE with 5G in capitals
to activate
2 minutes

Last updated

eSIM Southeast Asia data plans from HelloRoam

Sorted for less: eSIM plans for Southeast Asia start from NZ$6.85, with 4G/5G mobile data on local partner networks. Speeds depend on the local network. Works on any carrier-unlocked, eSIM-compatible phone. Pay in NZD. Buying a SIM at Suvarnabhumi, Ngurah Rai, and KLIA on the same Southeast Asia OE adds queues at every airport and unused data between countries. A Southeast Asia e SIM from HelloRoam starts at NZ$6.85 on Local network provider 4G/5G networks across the region.

Southeast Asia eSIM with 4G LTE with 5G in capitals coverage

HelloRoam Southeast Asia eSIM covers Thailand, Malaysia, and Singapore on one plan. Kiwis island hopping across the region stay connected without buying a SIM at every border. Plans start from NZ$6.85.

  • Plans start at NZ$6.85 with 4G LTE with 5G in capitals speeds
  • Coverage from local networks
  • Instant activation in under 2 minutes
  • 180-day refund on unactivated eSIMs
  • Southeast Asia coverage across major cities
Network
4G LTE with 5G in capitals
Plans From
NZ$6.85
Activation
Under 2 min
Refund
180 days if unactivated
How to use HelloRoam

How to Set Up an eSIM in Southeast Asia

Follow these steps to get started with an eSIM on your iPhone or Android.

Set up an eSIM on your iPhone with the HelloRoam app

Set up an eSIM on your Android with the HelloRoam app

  1. 1

    Choose your plan and checkout online

    Pick a mobile data plan for your destination and pay securely in NZD.

  2. iPhone scanning QR code for eSIM
    Android scanning QR code for eSIM
    2

    Scan the QR code

    Scan the QR code to install your eSIM straight away.

  3. 3

    Activate in minutes: ready when you land

    Your eSIM activates when you arrive at your destination. No SIM swap, no queues, no airport kiosk.

  4. HelloRoam app showing how much data you have left on your eSIM
    4

    Manage it all from our mobile app

    Track usage, top up data, and manage your eSIMs in one spot.

Plans changed? No dramas. You're covered.

Travel plans change, and that's okay. With HelloRoam, unactivated and unscanned eSIMs qualify for a full refund within 180 days of purchase. No dramas.

Learn more about our refund policy

HelloRoam Southeast Asia eSIM vs a travel SIM card or Spark, One NZ and 2degrees roaming

Comparing an eSIM with a travel SIM card, or with Spark, 2degrees, or One NZ roaming, for Southeast Asia? Carrier roaming adds daily fees. Skip the airport SIM shop and get a prepaid eSIM for Southeast Asia from NZ$6.85, with local network speeds and a refund on unactivated eSIMs within 180 days.

Why Kiwi Travellers Pick HelloRoam for Their Southeast Asia Trip

  • 24/7 live support

    Need help from Tokyo at midnight or London at 2am? HelloRoam support is on 24/7. Message us by live chat, WhatsApp, or email at help@helloroam.com. Mobile data problems don't wait for business hours, and neither do we.

  • Best eSIM for Southeast Asia

    Get data at 4G/5G speeds the moment you land in Southeast Asia. Skip roaming fees from Spark, One NZ, and 2degrees. HelloRoam connects you to local carrier networks in minutes, whether you're on holiday or working. You're online before you clear customs.

  • Dual SIM: keep your NZ number

    Keep your Spark, One NZ, or 2degrees number active for calls and texts. HelloRoam runs on a second eSIM line on any dual SIM phone and handles all your data in Southeast Asia. Family and friends ring your NZ number as normal, while your data runs on a local network for one prepaid HelloRoam price.

  • 212+ networks worldwide

    HelloRoam eSIMs connect to 212+ carrier networks across 185+ countries. Your phone joins a local partner 4G/5G network automatically when you land, with no manual carrier selection needed. Speeds depend on the local network.

  • Data alerts before you run out

    HelloRoam emails you as your data runs low on a fixed plan, so you can top up or buy a new plan in time. Where your plan allows it, top up from the app without reinstalling your eSIM or visiting a store. Adding a fresh prepaid data package takes under a minute from your account dashboard.

  • Local 4G/5G speeds in Southeast Asia

    Connect to local 4G/5G networks in Southeast Asia. Your phone joins a HelloRoam partner network for maps, streaming and video calls while you travel. Speeds depend on the local network and your location.

  • Regional plans for multi-country trips

    Heading to Japan, Thailand, or the UK after Southeast Asia? HelloRoam regional eSIM plans cover many countries in Asia, Europe, the Americas, and more on one QR code. No SIM swapping between stops. One prepaid regional plan can cover several stops in its region, so you spend less time worrying about connectivity and more time exploring.

  • Hotspot tethering in Southeast Asia included

    Share your eSIM data with a laptop or tablet via hotspot. No extra fees, no fiddly setup. Works on all eSIM compatible phones including iPhone and Samsung Galaxy. Useful for keeping a travel partner connected or getting a work laptop online when hotel Wi-Fi isn't up to scratch.

Best eSIM Prices for Southeast Asia

Compare eSIM plans for Southeast Asia and save versus Spark, One NZ, and 2degrees international roaming.

Best eSIM Prices for Southeast Asia
Number of daysPrice
1 dayNZ$6.18
3 daysNZ$17.61
7 daysNZ$38.07
15 daysNZ$74.16
22 daysNZ$100.61
30 daysNZ$126.07

HelloRoam vs Other eSIM Providers for Southeast Asia

See how HelloRoam compares with Airalo, Holafly, Nomad, Saily and Ubigi for Southeast Asia. The table covers a 180-day refund on unactivated eSIMs, data overage charges and instant QR code delivery.

Feature comparison
Feature comparisonHelloRoam
AiraloHolaflyNomadSailyUbigi
180-day refund (unactivated eSIMs)Feature availableFeature not availableFeature availableFeature not availableFeature not availableFeature not available
No data overage chargesFeature availableFeature availableFeature availableFeature availableFeature availableFeature available
Instant QR code deliveryFeature availableFeature availableFeature availableFeature availableFeature availableFeature available

What Is an eSIM and How Does It Work in Southeast Asia?

An eSIM is a digital SIM card built into your mobile. No plastic chip, no SIM tray to fiddle with. Scan a QR code to install it on any eSIM compatible phone and you're connected in under 2 minutes. It works as a prepaid mobile data plan for Southeast Asia travel with no airport SIM counter queue, no replacement SIM, and no carrier contract. Follow the step-by-step setup guide and you'll be sorted well before your flight from Auckland, Wellington, or Christchurch. guide

Learn more about eSIM

eSIM coverage guide for Southeast Asia from NZ

Southeast Asia is one of the most popular long-haul destinations for Kiwi travellers. A HelloRoam Southeast Asia regional eSIM covers Thailand, Malaysia, and Singapore on one plan. It switches carriers automatically as you move between them, so you don't need a new SIM at every border.

Singapore has near-perfect 4G and 5G from Singtel, StarHub, and M1. Changi Airport is one of the world's best-connected airports and is a natural first stop to confirm your eSIM is working before heading to countries with lower coverage quality.

Thailand's AIS, DTAC, and True Move cover Bangkok, Chiang Mai, Phuket, and Pattaya well. Popular islands like Koh Samui, Koh Phangan, and Koh Lanta have 4G in resort areas. Remote northern highlands near the borders have gaps.

In Malaysia, Kuala Lumpur, Penang, and Langkawi are well-covered. The Cameron Highlands and East Malaysia have more limited rural coverage.

Indonesia (including Bali), Vietnam, the Philippines, and Laos aren't on the Southeast Asia plan's country list. The Asia plan covers all four. Cambodia isn't on the list either, but the Global plan covers Cambodia.

  • Covers Thailand, Malaysia, and Singapore on one plan
  • Singapore is the region's most reliable 5G hub, perfect for OE stopovers
  • Bangkok, Phuket, and Kuala Lumpur are well-covered
  • Island hopping means losing data between ferry stops offshore
  • Thailand's remote northern highlands have coverage gaps
  • Download offline maps before heading into rural areas
Sources
  1. GSMA Mobile Economy Southeast Asia 2025;
  2. Ookla Speedtest Southeast Asia 2025

eSIM Travel Tips for Southeast Asia

  1. Sort your eSIM before leaving New Zealand

    Buy and install your HelloRoam Southeast Asia eSIM at home over your home Wi-Fi before you fly from Auckland or Christchurch. You land in Bangkok or Singapore already connected. No airport SIM queue, no messaging delays back home, no stressful first hour without data.

  2. No data on island ferry crossings

    Ferry routes between Southeast Asian islands have no mobile coverage once you leave the harbour. This includes ferries to Thailand's Gulf islands. Download guesthouse addresses, ferry timetables, and offline maps for your destination island before boarding. GPS keeps working from your phone's hardware without data.

  3. Singapore is your reliability checkpoint

    When transiting through Changi Airport, test your HelloRoam eSIM thoroughly. Singapore's network is near-flawless and any eSIM setup issues show up clearly here. Resolving problems in Singapore (with excellent airport Wi-Fi as backup) is far easier than discovering them later in your trip.

  4. Thailand's northern highlands have coverage gaps

    The Golden Triangle area in Thailand's far north has limited 4G. Chiang Rai city centre is covered but mountain villages and border crossing areas have gaps. Download offline maps before departing for remote northern routes.

  5. Emergency numbers vary across Southeast Asia

    Emergency numbers differ by country across Southeast Asia. Thailand: 191 (police), 1669 (ambulance). Singapore: 999. Save the correct number for each country you visit.

Mobile network coverage across Southeast Asia

Southeast Asia's networks vary widely, and Singapore's world-class 5G sets the standard.

Singapore's three operators (Singtel, StarHub, M1) compete in a small but dense market with very fast speeds and near-perfect coverage across the island.

Thailand's AIS leads in GSMA coverage rankings for the region. Bangkok and resort areas have reliable 4G. Malaysia's Maxis, Celcom, and Digi cover Kuala Lumpur and the peninsula well.

  • AIS (Thailand)
  • Singtel (Singapore)
  • Celcom (Malaysia)

HelloRoam Southeast Asia eSIM vs buying SIMs country by country

For a multi-country SE Asia trip from New Zealand, a regional eSIM is simpler and cheaper than buying a SIM at each border.

HelloRoam Southeast Asia eSIM vs buying SIMs country by country
Category
HelloRoam Regional Southeast Asia eSIMRecommended
Individual country SIMs
Telco roaming
Typical cost

From NZ$6.85 total

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—

Details

One plan covers 3 countries. Buy before leaving New Zealand, activate at home, arrive connected. No border stop for a new SIM. Automatic carrier switching. One consistent cost for the whole trip.

Buying a local SIM in Thailand, then Malaysia, then Singapore means airport queues, passport registration in some countries, losing your number each time, and total costs that add up across the trip.

NZ carriers usually charge a daily fee for roaming in Southeast Asia. On a two-week holiday in Southeast Asia, those daily fees add up fast. A HelloRoam regional eSIM is far better value.

Prices approximate as of . Actual savings vary.

Best times for Southeast Asia travel from New Zealand

Southeast Asia is popular with Kiwi travellers year-round. Thailand's peak season runs November to March when weather is dry and pleasant.

NZ school holidays in July and the Christmas period see high demand for flights from Auckland to Bangkok and Singapore. Book early and sort your eSIM before you go.

Monsoon season varies by country. Thailand's Gulf coast (Koh Samui) is wettest October to December while the Andaman coast (Phuket) is wettest May to October. Check specific conditions for your destinations.

Explore Countries in Southeast Asia

  • Thailand, Southeast Asia

    Thailand

    From $3

    HelloRoam offers Thailand eSIM plans for Bangkok, Phuket, and Chiang Mai. Connect the moment you land.

    AIS and TrueMove H run 5G in Bangkok. Coverage reaches Thai islands but drops in rural areas.

  • Malaysia, Southeast Asia

    Malaysia

    From $3

    HelloRoam provides eSIM data across Malaysia, from Kuala Lumpur to Penang and Langkawi.

    CelcomDigi and U Mobile run 5G in Kuala Lumpur. Signal thins in Borneo's interior.

  • Singapore, Southeast Asia

    Singapore

    From $3

    HelloRoam provides eSIM data for Singapore. Get fast coverage across the entire city-state.

    StarHub, M1, and SingTel run 5G in Singapore. MRT has full underground coverage.

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Reviews

What Kiwi Travellers Say

Real reviews from Trustpilot and the App Store, quoted as written.

40k+ travellers have used HelloRoam

Cat

Trustpilot
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

A traveller smiles at the view while holding her phone by an airport window
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

Trustpilot

Rated 5 out of 5 by this reviewer

metulker

App Store
Hard to set up but help was good

Rated 5 out of 5 by this reviewer

Reuben

Trustpilot
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

Hikers with backpacks walk along the Great Wall of China

Angeline

Trustpilot
Reliable connection. Reasonable pricing.

Rated 4 out of 5 by this reviewer

Southeast Asia eSIM Questions

Does a Southeast Asia eSIM cover Thailand, Vietnam, Bali, and Malaysia?

Southeast Asia eSIM plans cover Thailand, Vietnam, Indonesia, Malaysia, and the Philippines on Local network provider 4G/5G networks from NZ$6.85. HelloRoam delivers the e-sim QR to your inbox before your flight from Auckland. Scan at home and land at Suvarnabhumi or KUL already sorted.

What is the best e-sim for Southeast Asia for Kiwis doing a multi-country OE?

Kiwis doing a Southeast Asia OE get a Southeast Asia e-sim from HelloRoam from NZ$6.85 on Local network provider 4G/5G networks. Activate by QR code before boarding in Auckland and skip every airport SIM kiosk across the region.

What is the best eSIM for Southeast Asia from New Zealand?

HelloRoam is a simple eSIM option for Southeast Asia when you're travelling from New Zealand. Plans start from NZ$6.85 across 212+ carrier networks in 185+ countries. Buy online, scan the QR code at home on Wi-Fi, and connect the moment you land. You skip the daily roaming fees Spark, 2degrees, and One NZ charge. You get local 4G/5G speeds, a refund on unactivated eSIMs within 180 days, and 24/7 live chat support.

How much does an eSIM cost for Southeast Asia?

eSIM plans for Southeast Asia start from NZ$6.85. That's a one-off price, unlike the daily roaming charges from Spark or 2degrees. Fixed data plan sizes vary by country, and this page lists every size on sale. Unlimited daily plans, where offered, charge by the day and suit longer stays, OE trips, and remote work. All plans include local 4G/5G data with no overage charges and no carrier contract.

Which networks does eSIM work on in Southeast Asia?

HelloRoam connects to local partner networks in Southeast Asia, and your phone joins one automatically when you arrive. Speeds depend on the local network. Coverage spans major cities, airports, highways, and popular tourist areas. Flying out of Auckland (AKL), Wellington (WLG), Christchurch (CHC) or Queenstown (ZQN)? Your data is ready the moment you land.

How do I get an eSIM for Southeast Asia before my trip?

Buy your Southeast Asia eSIM on helloroam.com or the HelloRoam app before you fly from AKL, WLG, CHC, or ZQN. Scan the QR code in your phone Settings to install at home on Wi-Fi. Your eSIM activates automatically when you land in Southeast Asia. The whole process takes under two minutes. No airport kiosk, no SIM swap.

App Store rating4.7/5

Get the app. Travel sorted.

Buy, activate, and track your eSIMs from anywhere, on any trip.

4.7
App Store rating
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