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An eSIM for Cambodia from HelloRoam starts at $3.51 per day. It connects to 204+ carrier networks across 185+ countries. Activate via QR code in under two minutes on any eSIM compatible phone. Keep your AT&T, T-Mobile, or Verizon number active on dual SIM.
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Your eSIM card Cambodia Plan with Full Coverage
The cheapest eSIM for Cambodia starts from $3.51. Local 4G LTE and 5G data on top carrier networks in Cambodia. Works on all eSIM compatible phones. Airport SIM counters charge inflated rates and stack long queues at arrivals. An eSIM in Cambodia from HelloRoam beats airport kiosk prices without the queue. Plans start at $3.51 on Metfone 4G networks across the country. Scan a QR code at home and land with data already live on your phone. Every plan is fully prepaid with no contract, no credit check, and no roaming fees.
Cambodia eSIM with fast 4G coverage
HelloRoam offers eSIM plans for Cambodia starting from $3.51. Connect on 4G LTE networks including Smart Axiata, Metfone, and Cellcard. Activate your eSIM by scanning a QR code before you travel.
- Plans start at $3.51 with 4G speeds
- Coverage from Metfone
- Instant activation in under 2 minutes
- 180-day money-back guarantee
- Cambodia coverage across major cities
- Network
- 4G
- Plans From
- $3.51
- Activation
- Under 2 min
- Guarantee
- 180 days
How to Set Up an eSIM in Cambodia
Select a data plan for your destination and complete checkout.
Scan the QR code to install your eSIM instantly.
Your eSIM installs instantly and activates when you land.
Track usage, top up data, and manage all your eSIMs in one place.
Select a data plan for your destination and complete checkout.
Scan the QR code to install your eSIM instantly.
Your eSIM installs instantly and activates when you land.
Track usage, top up data, and manage all your eSIMs in one place.
Trip changed? Don't worry, we've got you!
Plans can change anytime, and that's okay. With HelloRoam, you can easily request a refund for your eSIM within 180 days of purchase.
Learn more about our refund policyHelloRoam Cambodia eSIM vs AT&T, T-Mobile and Verizon roaming
When comparing an eSIM vs a travel SIM card for Cambodia, HelloRoam wins on price. It costs less than Verizon TravelPass ($10/day), T-Mobile international add-ons, and AT&T International Day Pass ($12/day). Skip the airport SIM shop and get a prepaid eSIM for Cambodia from $3.51 with a 180-day refund guarantee.
| Feature |  | Local provider | Limited data eSIM |
|---|---|---|---|
| 180-day refund policy |  |  | |
| 24/7 live chat support | |  | |
| $0 activation fees | | | |
| 99.8% uptime guarantee | | | |
| No data overage charges | | | |
| Instant QR code delivery | | | |
| Premium Cambodia carrier networks | | | |
Is an eSIM Better Than a Cambodia SIM card for Travelers?
Skip the prepaid SIM card Cambodia airport stalls at Phnom Penh and Siem Reap and land with data live. Airport SIM vendors charge $5-15 for Cambodia tourist plans, and the Angkor Wat region kiosks add a surcharge for English-language setup. HelloRoam connects to Metfone 4G from $3.51 with QR activation in two minutes.
HelloRoam activates your plan without the passport photo that a data sim card Cambodia vendor requires at the counter. Local SIM rules in Cambodia mandate ID registration, which means a wait at the desk before you get online. Scan a HelloRoam QR at home and skip that step entirely.
The tourist sim card Cambodia travelers often grab at the airport sells limited data at flat tourist rates. HelloRoam plans run on Metfone networks from Phnom Penh to Siem Reap with flexible data sizes from 1GB to 20GB. Pay by card online and avoid the cash-only counters at the arrivals hall.
Unlike a cheapest eSIM for Cambodia purchased at the border crossing, HelloRoam works the moment your plane lands with no activation lag. Border SIM kiosks between Thailand and Cambodia often run out of stock during peak season and only accept local currency. A HelloRoam eSIM is ready before you leave home.
A Cambodia tourist sim from HelloRoam starts at $3.51 with no roaming charges between Phnom Penh and the temple region. Physical SIM cards from border kiosks expire fast and carry no refund if you leave early. Your HelloRoam plan stays active for the full trip.
Physical SIM card prices based on Phnom Penh International Airport (PNH) and Siem Reap-Angkor Airport (SAI) counter listings. Verified May 2026.
Read the full eSIM vs SIM card comparisonWhy Travelers Choose an e SIM for Cambodia
Compare eSIM Providers for Cambodia
American travelers rate HelloRoam eSIM for its 180-day refund policy, zero activation fees, and 24/7 live support. See how HelloRoam compares to Airalo, Holafly, Saily, and other eSIM providers for Cambodia on the things that matter most.
| Feature comparison | | Airalo | Holafly | Nomad | Saily | Ubigi |
|---|---|---|---|---|---|---|
| 180-day refund policy | | | | | | |
| 24/7 live chat support | | | | | | |
| $0 activation fees | | | | | | |
| 99.8% uptime guarantee | | | | | | |
| No data overage charges | | | | | | |
| Instant QR code delivery | | | | | | |
| Premium Cambodia carrier networks | | | | | | |
| Own branded carrier identity (SPN) | | | | | | |
What Is an e SIM? How eSIM Works in Cambodia
An eSIM card is a digital SIM built directly into your phone. There is no plastic 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 Cambodia works as a prepaid data plan with no airport SIM shop, no replacement SIM card, and no carrier contract. Follow the step-by-step setup guide to get connected before your flight. guide
Mobile connectivity guide for Cambodia
Cambodia has solid 4G LTE coverage in Phnom Penh, Siem Reap, Sihanoukville, and along major tourist routes. Smart Axiata, Metfone, and Cellcard are the top networks serving the country. With a HelloRoam eSIM, you connect on arrival without stopping at a SIM card stall.
- HelloRoam connects to Metfone 4G in Cambodia
- 4G LTE coverage in Phnom Penh, Siem Reap, and Sihanoukville
- Connect on Smart Axiata, Metfone, and Cellcard
- Instant activation via QR code before departure
eSIM Travel Tips for Cambodia
Set up your eSIM before flying to Cambodia
Download your HelloRoam eSIM profile at home before flying to Cambodia. Enable mobile data when you land at Phnom Penh International Airport or Siem Reap-Angkor International Airport. Grab works for rides from the airport. No physical SIM purchase or airport SIM counter stop needed.
Download offline maps for remote temples
The main Angkor complex has good coverage but outer temple sites like Beng Mealea and Koh Ker are more remote. Download offline maps for the Siem Reap area before you head out. Google Maps and Maps.me support full offline region saves.
Manage your data at Angkor Wat and remote temple sites
Angkor Wat, the Bayon, and Ta Prohm all have solid 4G coverage. Outer temple sites like Beng Mealea (about 40km from Siem Reap) and Koh Ker have much weaker signal. Download offline maps for these areas the night before. The HelloRoam app shows your real-time balance so you can manage data on long temple days.
Keep your home SIM active
On a dual SIM phone, keep your home SIM for calls and texts. Set your HelloRoam eSIM as the default data line in Cambodia. You stay reachable on your regular number throughout your trip.
Save emergency numbers before you go
Cambodia's emergency number is 117 for police and 119 for ambulance and fire. Save them before you travel. Emergency calls work on any available network.
Mobile networks in Cambodia: what you need to know
Cambodia's three main carriers are Smart Axiata, Metfone, and Cellcard. Coverage is reliable in Phnom Penh, Siem Reap, and along National Route 6. The remote northeast provinces, border areas, and offshore islands like Koh Rong can have weaker signal. Your HelloRoam eSIM connects automatically to the strongest available network at each location.
- Metfone
- 4G
HelloRoam eSIM vs local SIM vs carrier rates in Cambodia
Here is an honest comparison of your connectivity options for a trip to Cambodia.
RecommendedFrom $4.00 total
Plans start at $3.51. Buy online, scan a QR code at home, and arrive in Cambodia already connected. No stopping at airport SIM stalls or hotel front desks for data.
$1.00–$5.00 total
Very cheap and widely available in Cambodia, but requires passport registration. You need to buy, register, and set up after landing. Unused data expires at the end of the plan.
$10.00–$15.00/day
Most carriers charge $10 to $25 per day in Cambodia. A 14-day trip can cost $140 to $350 in data fees.
| Category | Recommended | Local SIM card | Your home carrier |
|---|---|---|---|
| Typical cost | From $4.00 total | $1.00–$5.00 total | $10.00–$15.00/day |
| Details | Plans start at $3.51. Buy online, scan a QR code at home, and arrive in Cambodia already connected. No stopping at airport SIM stalls or hotel front desks for data. | Very cheap and widely available in Cambodia, but requires passport registration. You need to buy, register, and set up after landing. Unused data expires at the end of the plan. | Most carriers charge $10 to $25 per day in Cambodia. A 14-day trip can cost $140 to $350 in data fees. |
Best time to visit Cambodia
Cambodia has two main seasons. The dry season from November to April is ideal for travel with low humidity and no rain. The wet season from May to October brings heavy afternoon showers but lush scenery and fewer tourists at Angkor. The peak months of November to February are the busiest, especially around Christmas and New Year. Siem Reap and Angkor Wat are crowded during these months and network demand at tourist sites is highest.
Reviewed by HelloRoam Editorial Team
Prices verified:
HelloRoam Cambodia eSIM Questions Answered
The cheapest eSIM for Cambodia plan runs on Metfone 4G networks from $3.51 across Cambodia.A travel sim Cambodia plans from HelloRoam runs at local speeds on trusted carriers. HelloRoam delivers the QR code to your email within seconds and activation takes two minutes. No contract, no roaming charges, and a 180-day refund guarantee. Plans range from 1GB to 20GB or unlimited data.
A Cambodia tourist sim plan connects to Metfone 4G networks across Cambodia. The cheapest eSIM Cambodia from HelloRoam runs at local speeds on trusted carriers. HelloRoam activates every plan by QR in under two minutes on any compatible phone. No contract, no roaming charges, and a 180-day refund guarantee. Scan once and stay online for your entire trip.
HelloRoam connects to Metfone 4G networks across Siem Reap's Angkor Archaeological Park, Phnom Penh's riverfront, and the Kampot coastal area. You get reliable data for navigation and ticket booking across Cambodia's major tourist zones. Plans start at $3.51.
Airport SIM desks at Phnom Penh International require passport registration and a queue. HelloRoam delivers a QR code by email from $3.51 on Metfone 4G networks with no in-person step. Activate before your flight and arrive in Phnom Penh or Siem Reap already connected.
HelloRoam is a strong eSIM option for Cambodia, connecting on Smart Axiata, Metfone, and Cellcard networks. Plans start at $3.51 with 4G LTE data. Buy online, scan a QR code, and arrive at Siem Reap or Phnom Penh already connected. No physical SIM needed.
Yes, HelloRoam eSIM plans work in Cambodia and connect on Smart Axiata, Metfone, and Cellcard. Buy your plan before you leave, scan the QR code, and arrive connected at Angkor Wat and in Phnom Penh.
HelloRoam eSIM for Cambodia connects on Smart Axiata, Metfone, and Cellcard. Your phone picks the strongest available signal automatically wherever you are in Cambodia.
Buy your plan on helloroam.com, scan the QR code in your phone settings, and turn on mobile data when you land. The setup takes about five minutes at home before your flight to Cambodia.
HelloRoam eSIM plans for Cambodia start at $3.51 per day. This covers Phnom Penh, Siem Reap, and most tourist routes with reliable 4G LTE data.
Yes, the main Angkor Wat complex and nearby temples like Bayon and Ta Prohm have 4G LTE coverage. Outer temples further from Siem Reap have weaker signal. Download offline maps of the Angkor Archaeological Park before you visit.
Most iPhones from the XS (2018) onward and many recent Android devices support eSIM. Check your phone settings for 'Add eSIM' or 'Add a plan' to confirm your device works before buying.
HelloRoam eSIM plans for Cambodia are data-only. Use WhatsApp, FaceTime, or Telegram for calls and messages over your data connection. Emergency calls to 117 or 119 work on any network.
Two weeks in Cambodia using maps, messaging, social media, and navigation for temple tours and island trips typically uses 3 to 6 GB. Most guesthouses and cafes have Wi-Fi, so a moderate data plan works for most travelers.
Yes, HelloRoam eSIM plans for Cambodia include hotspot sharing. Share your 4G LTE connection with a travel companion or a laptop during your trip.
Yes. Most home carriers charge $3.51 per day in Cambodia. A HelloRoam eSIM plan starts at $3.51 per day total with no additional daily charges.
What to Know Before You Buy
eSIM requires an unlocked, eSIM-compatible device. Check your phone settings before purchasing.
Most travel eSIM plans provide data only. Your existing phone number stays active for calls and texts on your primary SIM.
Coverage quality varies by location within Cambodia. Urban areas typically have strong 4G/5G coverage, while rural or remote areas may have limited connectivity.
Install your eSIM before departure. Activation requires an internet connection, which may not be available at your destination airport.
Transparency Notice
- Service Provider Name (SPN)
- HelloRoam appears as the carrier name on your phone's status bar through the SPN, a standardized field in the eSIM profile. Unlike most travel eSIM resellers, HelloRoam provisions its own Service Provider Name.
- Public Network Name (PNN)
- HelloRoam holds a registered Public Network Name, the official carrier identity filed with telecommunications authorities. Telecom regulators recognize HelloRoam as a licensed service provider, not a white-label reseller.
- Access Point Name (APN)
- HelloRoam eSIMs auto-configure their Access Point Name during installation. Your device connects to the strongest local network infrastructure without manual settings.
Prices are our retail rates across 185+ countries. Plan recommendations use real traveller feedback and network performance data. Every purchase includes a 180-day money-back guarantee.
