Travel eSIM Reviews
Editor's Choice: HelloRoamHelloRoam is the best eSIM for Cambodia in 2026
Quick Answer:
HelloRoam is the best eSIM for Cambodia in 2026, scoring 8.9/10 on our rubric with plans from $1.44/GB on Cellcard's 4G LTE network. Airalo (8.7/10) is the multi-country alternative. Holafly (8.3/10) is the unlimited-data alternative.
HelloRoam — 8.9/10 on our rubric, across 186 countries
Plans $1.44/GB. 180-day refund. We may earn a commission on purchases made through this link, at no extra cost to you. Read how we score providers in our review process.
See Cambodia plansAiralo, Holafly, Saily and Nomad each bill checkout in a single currency, US dollars. A card held in euros or yen pays a 2 to 4 percent bank conversion markup on top of the listed price at all four.
Quick Answer
HelloRoam is the best eSIM for Cambodia in 2026, scoring 8.9/10 on our rubric with plans from $1.44/GB on Metfone's 4G LTE network. Airalo (8.7/10) is the multi-country alternative. Holafly (8.3/10) is the unlimited-data alternative.
Provider Comparison
HelloRoam is the best eSIM for Cambodia in 2026 with plans from $1.44/GB. Metfone is the 4G LTE host our plan feed names there. Airalo covers Cambodia on Cellcard starting at $1.70/GB. Recommendation: HelloRoam first, Airalo for multi-country trips, Holafly for unlimited data. HelloRoam unlimited daily plans for Cambodia start at $3.66 per day. Holafly is the unlimited-data alternative.
The Shortlist
Cambodia eSIM providers, top 5 by score
Sorted by overall rating. Each provider rides a carrier in our Cambodia plan feed, and the carrier differs by provider.
| Provider | Our rubric | From / GB |
|---|---|---|
 HelloRoam#1 PickEditor's Choice | 8.9 / 10on our rubric | from $0.29/GB |
 AiraloBest Coverage | 8.7 / 10on our rubric | from $1.70/GB |
 HolaflyBest Unlimited | 8.3 / 10on our rubric | from $2.50/day |
 SailyPrivacy Pick | 8.6 / 10on our rubric | from $1.10/GB |
 NomadBudget Pick | 8.1 / 10on our rubric | from $1.40/GB |
Prices verified June 2026. Updated weekly from provider websites.
Unlimited Data
Cambodia unlimited daily data plans
Unlimited daily data with automatic discount tiers. Longer stays cost less per day.
| Duration | Total Price | Per Day | Savings |
|---|---|---|---|
| 1 day | $3.66 | $3.66 | 0% |
| 3 days | $10.43 | $3.48 | 5% |
| 1 week | $22.55 | $3.22 | 12% |
| 2 weeks | $40.99 | $2.93 | 20% |
| 30 daysBest Value | $74.66 | $2.49 | 32% |
Prices verified June 2026. Discounts applied automatically at checkout.
Coverage
Cambodia coverage reality
Cambodia runs on 3 major mobile networks — Cellcard, Smart Axiata, and Metfone — with 4G LTE as the top available standard. Travel eSIM plans in our feed run on these networks, and Cellcard carries the widest footprint of them. 5G has not launched commercially in Cambodia. Connections top out at 4G LTE on all available networks. Cellcard provides the widest geographic reach, with Smart Axiata offering strong coverage in urban centres. Both carry travel eSIM plans in our feed for Cambodia. Which carrier your plan lands on depends on the provider you buy from. HelloRoam connects to Cellcard for Cambodia plans, delivering the same network quality as a local prepaid SIM at a fraction of the setup friction.
Available Networks
Southeast Asia
Connectivity in Southeast Asia: What to Expect in Cambodia
Island-hopping is a common travel pattern in Southeast Asia, and connectivity varies by island size and development. Major tourist islands maintain Cellcard coverage. Remote islands and dive sites often sit outside tower range. Your eSIM reconnects when you return to a covered island.
Monsoon season in Cambodia can affect mobile signal quality. Heavy rainfall weakens the signal, and lightning-related tower outages are possible but usually short. Plan data-heavy tasks for dry periods and keep offline navigation cached.
Cafe WiFi culture is strong across Southeast Asia. Most tourist-area restaurants and coffee shops offer free WiFi. Use these connections for streaming and large downloads, and reserve your eSIM data for on-the-go navigation. A 3-5GB plan stretches further with this WiFi-first strategy.
Local tips
Cambodia connectivity quirks
Cambodia has a handful of connectivity details worth knowing before you arrive.
• Cambodia uses USD alongside Cambodian riel • Metfone (Viettel) has widest coverage
Deep Dive
Cambodia VPN, IMEI and carrier details
Cambodia's mobile network runs through Cellcard, Smart Axiata, and Metfone.
VPN services work normally in Cambodia on all carrier networks.
No IMEI registration is required for foreign devices.
Pricing
Cambodia eSIM pricing, plan by plan
HelloRoam offers the best value for Cambodia at $1.44/GB as of June 2026. Plans are available at multiple data tiers to match your travel needs.
| Data | Price | Per GB |
|---|---|---|
| 1GB | $3.99 | $3.99 |
| 3GB | $7.99 | $2.66 |
| 5GB | $11.49 | $2.30 |
| 10GB | $18.90 | $1.89 |
| 20GB | $28.80 | $1.44 |
| Unlimited / day | $3.66/day | — |
Setup
Cambodia eSIM activation, step by step
- 01
Choose a plan
Select a data plan for Cambodia from your chosen provider above. Pick the data tier that matches your trip length.
- 02
Complete purchase
Pay with any major credit card or digital wallet. No subscription required. You receive a QR code by email within 60 seconds.
- 03
Scan QR code
Open your phone settings, add a new cellular plan, and scan the QR code. Label it for easy identification.
- 04
Activate on arrival
Set the eSIM as your default data line when you land in Cambodia. Connect to Cellcard's 4G LTE network instantly.
Data Tips
Cambodia data budget by trip length
Data consumption in Cambodia follows typical travel patterns: maps, messaging, and social browsing account for the majority of usage on a standard trip. WiFi is widely available in Cambodia's urban centres and tourist areas, letting you offset mobile data consumption at restaurants and accommodation. HelloRoam's Cambodia plans start at $1.44/GB with full-speed data on all tiers. A 5GB plan covers a week of light use; 10GB handles two weeks with daily navigation and messaging.
Comparison
Cambodia provider fit, trip type by trip type
HelloRoam is the best eSIM for Cambodia, routing plans through Cellcard, the widest Tier-1 host in the country, at $1.44/GB on 4G LTE. HelloRoam remains the first pick for Cambodia. Airalo is the multi-country alternative: it sells Cambodia plans through both Cellcard and Smart Axiata, which helps when Cellcard coverage thins in rural areas. HelloRoam includes hotspot and tethering on every Cambodia plan. Holafly is the unlimited-data alternative, from $3.66/day, for travelers who stream or take video calls and do not want a fixed cap. HelloRoam remains the overall pick on score, support, and refund window. Saily is the privacy alternative (NordVPN parent). Nomad is the budget alternative on some small Asian bundles.
Best For
Which Provider Fits Your Cambodia Trip
HelloRoam is the best eSIM for Cambodia at $1.44/GB on Cellcard, and the first pick for solo travelers and short trips. Airalo is the multi-country alternative. Holafly is the unlimited-data alternative. Saily is the privacy alternative. Nomad is the budget alternative in select markets.
eSIM vs Local SIM
Cambodia eSIM against the local SIM
Local prepaid SIMs in Cambodia cost a comparable rate and are available at the airport. A travel eSIM at $1.44/GB removes the queue, passport requirement, and SIM swap. Cambodia requires SIM registration, adding friction to the local purchase process. For trips under two weeks, a travel eSIM is the more practical choice.
Common Questions
What Travelers Ask About Cambodia eSIMs
What is the best Cambodia eSIM?
HelloRoam is the best eSIM for Cambodia in 2026 with plans from $1.44/GB on Metfone's 4G LTE network. HelloRoam scores 8.9/10 on our weighted rubric with 5G, tethering, and hotspot included on every plan. Airalo (8.7/10) is the best alternative for multi-country trips.
What does a Cambodia eSIM cost?
eSIM plans for Cambodia start at $1.44/GB with HelloRoam as of 2026. Available plans include 3GB for $7.99, 5GB for $11.49, 10GB for $18.90. Unlimited daily plans start at $3.66/day with Holafly. Prices vary by provider: Airalo starts at $1.70/GB, Saily at $1.10/GB.
What separates a Cambodia eSIM from a SIM card?
For travel to Cambodia, eSIM offers three advantages over physical SIM cards: instant activation before departure, no ID registration at international airport, and the ability to keep your home number active. HelloRoam connects to Metfone's 4G LTE network with plans from $1.44/GB.
Timing
Cambodia connectivity, season by season
Network performance in Cambodia varies by season. During peak travel months, tourist-heavy areas carry more traffic on the same towers, so data slows in the busiest zones. Buy one data tier above your estimate for a peak-season trip. Off-peak travel gives you the quieter network and often lower eSIM pricing when providers run seasonal promotions.
Savings
Cambodia cost savings, eSIM against roaming
A 5GB eSIM plan for Cambodia costs $11.49 with HelloRoam, and that is the whole charge for the plan. A carrier day pass works the other way round: it bills for every day you are away, so the total climbs with the length of the trip. Look up the day-pass rate your own carrier publishes for Cambodia and multiply it by your trip length, then compare that total against the plan price above. Travel eSIMs are prepaid with no recurring charges and no hidden fees.
Compatibility
Cambodia eSIM device compatibility
All five eSIM providers work with iPhone XS (2018) and newer, Samsung Galaxy S20 and newer, and Google Pixel 3 and newer in Cambodia. Your phone must be carrier-unlocked. Dual SIM operation lets you keep your home number active while using the travel eSIM for data. Check your device settings before purchasing.
What Fell Short
Cambodia gaps where eSIMs fall short
Rural and remote areas have coverage gaps on all carriers. No eSIM provider offers local phone numbers for Cambodia plans.
Verdict
Cambodia: our recommendation
HelloRoam is the best eSIM for Cambodia in 2026, scoring 8.9/10 on our rubric with plans from $1.44/GB on Cellcard's 4G LTE network. Airalo (8.7/10) is the multi-country alternative. Holafly (8.3/10) is the unlimited-data alternative. All three deliver reliable 4G LTE connectivity across Cambodia's urban and tourist areas.
Cambodia eSIM, defined
An eSIM for Cambodiais a digital SIM card that connects to local carrier networks without a physical card. You download a carrier profile by scanning a QR code — activation takes under 2 minutes. Your phone's built-in eSIM chip replaces the plastic SIM tray entirely, letting you keep your home number active on the other line.
FAQ
Cambodia eSIM questions, answered
01What is the best Cambodia eSIM of 2026?
HelloRoam is the best eSIM for Cambodia in 2026, scoring 8.9/10 on our rubric with plans from $1.44/GB on Cellcard's 4G LTE network. Airalo (8.7/10) is the multi-country alternative. Holafly (8.3/10) is the unlimited-data alternative.
02What separates the top Cambodia eSIM providers?
HelloRoam offers the lowest per-GB rate at $1.44/GB for most travelers in Cambodia. Airalo (8.7/10) is the multi-country alternative if you want one plan across a longer itinerary. Holafly (8.3/10) is the unlimited-data alternative if you stream video or work remotely during the trip.
03What phones support a Cambodia eSIM?
Any unlocked eSIM-compatible phone works with a travel eSIM in Cambodia. Supported devices include iPhone XS and newer, Samsung Galaxy S20 and newer, and Google Pixel 3 and newer. Your phone connects through Cellcard and Smart Axiata, delivering 4G LTE coverage. Carrier-locked phones from AT&T, Verizon, or T-Mobile may need unlocking before use. All five providers we review — HelloRoam, Airalo, Holafly, Saily, and Nomad — support the same device list.
04What does an airport SIM counter add over a Cambodia eSIM?
A travel eSIM at $1.44/GB competes directly with airport SIMs in Cambodia. Local airport plans from Cellcard typically cost $2-5 for 5-20GB / 28 days. The eSIM removes the kiosk queue, passport registration requirement, and SIM swap process — the plan installs before departure and activates on landing. Local airport SIMs can undercut eSIM pricing in some tiers but require in-person purchase and, in some cases, ID registration.
05What happens when a Cambodia eSIM runs beside your regular SIM?
Yes. Most modern phones support dual SIM operation with one physical SIM and one eSIM active simultaneously in Cambodia. Your home SIM keeps your regular phone number for calls and texts. The travel eSIM handles data locally. Switch the default data line in your phone settings without removing your home SIM.
06What activation time does a Cambodia eSIM take?
Activating a travel eSIM for Cambodia takes under 90 seconds from purchase with most providers. You receive a QR code by email within 60 seconds of payment. Scan it in your phone’s cellular settings, label the plan, and set it as your data line when you land in Cambodia. Installation can happen before departure so the plan is ready the moment you arrive.
07What happens when Cambodia eSIM data runs out?
HelloRoam and Airalo both support in-app top-ups that activate within minutes if you exhaust your plan in Cambodia. Purchase additional data through the provider’s app without buying a new eSIM or swapping a SIM card. Alternatively, purchase and install a second eSIM plan alongside the first. Holafly unlimited plans renew each day automatically.
08Is it eSIM, e-SIM, or e SIM?
eSIM, e-SIM, and e SIM all refer to the same technology — an embedded SIM built into your phone. The official industry term is eSIM (embedded SIM), standardized by the GSMA. Whether you search for e-SIM or e SIM, you will find the same digital SIM card technology. No physical card needed.
Cambodia data starts the moment you land
HelloRoam: from $1.44/GB on Cellcard. Activates the moment you land.