1
10 GB
1 day
KH
$5.90
$0.59/GB
eSIM plans for
Compare 0 live offers from 0 providers. Prices update every 12 hours.
0
offers shown
—
cheapest
—
best $/GB
Loading plans…
Fetching live offers for your country.
Find the best-fit eSIM for Cambodia. Simple filters, clear comparisons, faster decisions.
Compare 0 live offers from 0 providers. Prices update every 12 hours.
A Cambodia eSIM is a digital Cambodia eSIM card that connects a compatible phone to Cellcard, Metfone, or Smart after arrival at Phnom Penh Techo International Airport (KTI), Siem Reap Angkor International Airport (SAI), or Sihanouk International Airport (KOS), while Cambodia e-Arrival handles the required arrival form before travel.Β
This page compares Cambodia eSIM plans, explains network trade-offs, and helps travelers choose the best eSIM for Cambodia with eSIM for travel to Cambodia ready before the airport transfer.
eSIM (embedded SIM): a digital SIM profile installed by QR code or app, with no physical card. In Cambodia, an eSIM connects to Cellcard, Metfone, or Smart depending on the plan selected.
Buying a Cambodia eSIM before the flight keeps the arrival routine calmer at KTI, SAI, and KOS. Travelers can complete Cambodia e-Arrival, save the QR confirmation, land with mobile data ready, and keep the home SIM active for bank texts or airline messages. This is especially useful at the new Techo airport, where the first ride into Phnom Penh often means choosing between hotel transfers, taxis, Grab, or PassApp. It also helps at SAI because the airport sits well outside Siem Reap and most visitors need maps or driver messaging immediately.
A Cambodia eSIM often costs far less than home-carrier roaming and can feel close to a Cambodian prepaid data setup without the airport-counter detour. Mobile data is useful for PassApp or Grab rides in Phnom Penh, temple navigation around Angkor Archaeological Park, BookMeBus or 12Go confirmations on the Phnom Penh to Siem Reap corridor, and KHQR payments through Bakong Tourists where cashless payment is accepted. WhatsApp, Telegram, Google Maps, Google Translate, and hotel booking apps also matter because addresses can be informal and tuk-tuk drivers may share live locations.
Our methodology scores Cambodia eSIM plans by price per GB, network coverage, network partner, activation, hotspot support, and customer support, with extra weight on KTI arrivals, Siem Reap temple days, National Road 4 coast transfers, and rural coverage outside the main cities.
Price per GB
Median price per GB across eligible provider plans, weighted toward common traveler data sizes.
Network coverage
Population and geographic coverage across major cities, tourist regions, transit routes, and rural areas.
Network partner
Activation speed
QR-code-to-data time. Most providers under 2 minutes; some require app install.
Hotspot support
Tethering allowed on all plan tiers without extra fees or fair-use throttling.
Customer support
24/7 chat availability, response time, and refund track record on canceled trips.
eSIM Intel compares Cambodia plans from Airalo, Saily, Ubigi, Nomad, Yesim, Alosim, Maya Mobile, and Redteago, while each live-table offer may route through a different Cambodian network partner.
The best eSIM for Cambodia overall balances six things: price, coverage, network partner, activation speed, hotspot support, and how quickly support responds if a plan fails to activate at Techo International Airport. Whitelisted providers including Airalo, Saily, and Redteago all route onto the same three networks, so the real differences show up in validity windows and data caps rather than raw network access.
Best for: first-time visitors splitting a week between Phnom Penh’s riverside and the temples of Angkor near Siem Reap, who need one plan to cover both a capital-city itinerary and a fully different province.
A representative itinerary covers two or three nights in Phnom Penh visiting the Royal Palace and Central Market, a flight or six-hour bus north to Siem Reap for two to three days at Angkor Wat and Angkor Thom. Then an optional run south to Sihanoukville or Kampot for a beach finish, covering three distinct coverage environments in roughly seven to ten days.
The best overall Cambodia eSIM plan keeps validity long enough to cover the full Phnom Penh-to-Siem Reap loop without forcing a mid-trip top-up. It also carries enough data headroom for the day Angkor Wat’s sunrise crowds put real strain on Smart Axiata and Cellcard towers at once.
Best value matters more than the lowest sticker price for a Cambodia eSIM, since a plan that runs out of data on the road to Siem Reap costs more in stress than it saves in dollars. Reframed this way, a best-value Cambodia eSIM plan still needs a network partner with a real presence outside Phnom Penh, not just the lowest headline number.
Best for: budget backpackers moving between hostels in Phnom Penh, Siem Reap, and Battambang who watch spending closely but still need maps and messaging working at every stop.
A common budget route runs overland by bus from Phnom Penh to Siem Reap, spends two to three days exploring Angkor on a rented bicycle or tuk-tuk, then continues west to Battambang’s bamboo train and colonial-era shophouses before looping back, a stretch where light data use of 300-700 MB per day is normal if video streaming is avoided and most navigation happens over PassApp or Google Maps cached offline.
A best-value plan should still carry a reputable network partner such as Smart Axiata or Cellcard, enough validity to cover a full Cambodia loop, and clear activation instructions, not just a low headline price. Some value plans become a poor fit on the long overland stretch between Battambang and the Cardamom Mountains foothills, where rural coverage thins out regardless of provider.Β
Travelers heading to Koh Rong or Koh Rong Sanloem by ferry from Sihanoukville should also check hotspot support before relying on a budget plan at sea. Compare validity windows carefully before committing to the lowest number on the table.
A short trip to Cambodia rarely justifies a large data bundle, especially when it is built around a single city or one temple complex.Β
Best for: long-weekend visitors flying into Siem Reap purely for Angkor Wat, or a quick Phnom Penh stopover between flights elsewhere in Southeast Asia.
A typical three-to-five day window covers arrival at Siem Reap-Angkor International Airport, two full days touring Angkor Wat, Angkor Thom, and Ta Prohm, an evening at Pub Street and the Angkor Night Market, and a same-route departure. One to three GB can work for a light short trip built around temple photos and PassApp rides, while three to five GB is safer once social uploads and the occasional video call with home are added in.
Daily or short-validity Cambodia eSIM plans fit a fixed window like this better than a large monthly bundle that goes mostly unused. Smart Axiata and Cellcard both carry 5G in central Siem Reap and Phnom Penh as of the January 2026 rollout, which helps if photo and video uploads need to go out quickly between temple stops.Β
Travelers extending a short trip into a longer loop should compare the long-stay options next.
Slow travel, remote work, or an extended family visit across Cambodia calls for a different data budget than a one-week holiday.
Best for: digital nomads working from Phnom Penh coworking spaces, language students based in Siem Reap, or family visitors splitting time between the capital and a home province.
A long-stay pattern often combines a base in Phnom Penh or Siem Reap with day or overnight trips by bus or shared taxi to Kampot, Kep, Battambang, or the Tonle Sap floating villages, plus regular use of PassApp for rides, Nham24 or FoodPanda for delivery, and Telegram for staying in touch with hosts and language partners. Regular long-stay travelers in Cambodia often use 20-30 GB per month, while remote workers relying on a hotspot for video calls frequently need 50 GB or more.
Daily or short-validity plans fit New Zealand trips when flight dates, hotel nights, and transfer times are fixed. 5G is most useful in the main urban centres, especially around Auckland, Wellington, Christchurch, and Queenstown, but 4G is still the reliable fallback for many scenic roads and tour departures. Short-trip travelers should check whether the plan starts at installation or first network connection, because installing too early can waste part of a brief validity window. A larger plan is overkill when the traveler will use hotel WiFi at night and mobile data only for maps and messaging.
Long-stay travelers need a different framework because validity, hotspot support, and top-up friction matter much more.
Slow travel, remote work, or an extended family visit across Cambodia calls for a different data budget than a one-week holiday.
Best for: digital nomads working from Phnom Penh coworking spaces, language students based in Siem Reap, or family visitors splitting time between the capital and a home province.
A long-stay pattern often combines a base in Phnom Penh or Siem Reap with day or overnight trips by bus or shared taxi to Kampot, Kep, Battambang, or the Tonle Sap floating villages, plus regular use of PassApp for rides, Nham24 or FoodPanda for delivery, and Telegram for staying in touch with hosts and language partners. Regular long-stay travelers in Cambodia often use 20-30 GB per month, while remote workers relying on a hotspot for video calls frequently need 50 GB or more.
A larger fixed Cambodia eSIM plan avoids the friction of topping up mid-stay, but travelers who are unsure of their final data needs can also start smaller and add a top-up once a usage pattern becomes clear. Hotspot support matters more here than on a short trip, particularly for anyone working from a Phnom Penh cafe or a Siem Reap guesthouse with inconsistent WiFi.Β
Heavy data users planning video calls or streaming should look at unlimited options next.
Unlimited Cambodia eSIM plans suit heavy data users more than the average tourist, and most travelers spend less by comparing a large fixed bundle first.
Best for: content creators filming throughout Angkor Archaeological Park, remote workers hosting a daily hotspot, or travelers planning a long overland loop through several provinces with patchy hotel WiFi.
Unlimited data earns its cost on the overnight bus between Phnom Penh and Sihanoukville, on the ferry out to Koh Rong where hotel WiFi is often unreliable, and during the Khmer New Year crowds in mid-April when shared hotel and cafe WiFi slows across Siem Reap and Phnom Penh at once. Video calls often use 500 MB to 1.5 GB per hour, HD video can run 1-3 GB per hour, and a full hotspot workday can exceed 5 GB.
Most unlimited Cambodia eSIM plans apply a fair-use cap, after which speeds throttle rather than data cutting off entirely, so checking the throttle threshold matters more than the word “unlimited” itself. Hotspot access on unlimited plans is not guaranteed by default and should be confirmed before relying on it for a laptop in a coworking space. Unlimited is often unnecessary for travelers spending most of a Cambodia trip in Phnom Penh or Siem Reap hotels with decent WiFi.Β
The next section covers what network coverage actually looks like once a plan is chosen.
In Phnom Penh, Siem Reap, Sihanoukville, and Battambang, all three main networks can support normal traveler tasks. For mixed city and province travel, Metfone’s footprint matters most outside the densest tourist districts.
Coverage is generally dependable on the main traveler corridors, but Cambodia is still a road-and-river country. The Phnom Penh to Siem Reap Route 6 corridor, National Road 4 toward Sihanoukville, the Phnom Penh to Kampot route, and the Siem Reap to Battambang road should be treated as usable but variable during rural stretches. Bus WiFi should not be the primary plan for e-Arrival screenshots, ferry tickets, or hotel directions. Travelers should cache maps before leaving a city when the route crosses rice fields, river edges, or construction zones.
Remote coverage is more uneven in the Cardamom Mountains, Mondulkiri, Ratanakiri, Preah Vihear, Koh Kong, Tonle Sap floating villages, Koh Rong, and Koh Rong Sanloem. Signal can change between a town center, a riverside lodge, a temple road, and a ferry landing. Jungle, hills, rain, and low-density settlements make 4G the dependable baseline even after 5G launch. Travelers visiting Virachey National Park, Bokor Mountain, or outer Angkor temples should download maps and confirmations in advance.
The practical implication is simple: a traveler who only stays in BKK1, Riverside, Pub Street, or central Sihanoukville can prioritize speed and price, while a traveler crossing provinces should care more about network partner. Provider plans choose the network partner behind the scenes, so the live table matters as much as the provider brand. Metfone is the safer default for broad reach, Smart is excellent for staying connected in common user locations, and Cellcard is compelling when speed in covered areas is the priority.
| Network Name | Coverage Level | 4G LTE Coverage | 5G Population | Urban Reliability | Rural Reliability |
|---|---|---|---|---|---|
| Metfone | Broadest national footprint | Coverage Experience 8.5/10 proxy; Time on Network 94.2%; Time on 4G 94.4% | 5G active, population percentage not publicly disclosed | Reliability Experience 791/1000 | Coverage Experience 8.5/10 proxy for rural reach |
| Smart | Strongest time connected | Coverage Experience 7.0/10 proxy; Time on Network 97.1%; Time on 4G 96.7% | 5G active, population percentage not publicly disclosed | Reliability Experience 779/1000 | High urban availability, weaker than Metfone for broad coverage footprint |
| Cellcard | Fastest national download experience | Coverage Experience 4.7/10 proxy; Time on Network 92.5%; Time on 4G 91.6% | 5G active, population percentage not publicly disclosed | Reliability Experience 784/1000 | Lower coverage score than Metfone and Smart outside common user locations |
A Cambodia eSIM should work well in Phnom Penh, Siem Reap, Sihanoukville, and Battambang when the plan uses one of the main local operators. In Phnom Penh, mobile data is used for KTI airport transfers, BKK1 hotel check-in, Riverside ride-hailing, Russian Market navigation, and KHQR payments through Bakong Tourists. In Siem Reap, visitors use data around Pub Street, Old Market, Angkor Wat, Bayon, Ta Prohm, and the longer SAI airport road.
In Sihanoukville, mobile data matters for the KOS airport road, pier transfers, ferry confirmations, and hotel messaging before boats to Koh Rong or Koh Rong Sanloem. In Battambang, data is useful for station pickups, local tuk-tuks, riverside guesthouses, and day trips toward the countryside. Public exact city-level operator medians are limited, so the table uses the strongest available city and national proxies rather than invented city figures.
Data
Best network
Cellcard/Smart
Median speed
43 Mbps
Latency
58 ms
Data
Smart/Metfone
30.7 Mbps
58 ms
Data
Smart/Metfone
13.2 Mbps
64 ms
Data
Metfone
47.7 Mbps
62 ms
Beyond those four cities, travelers should expect solid 4G in Kampot, Kep, Kampong Cham, Kandal, and Poipet, with 5G strongest in Phnom Penh and the key rollout centers named by 2026 5G launch sources. 4G remains the dependable fallback around Bokor Mountain, Tonle Sap, Koh Kong, Mondulkiri, and ferry-linked island stays. Two Cambodia-specific caveats matter: temple walls and tree cover around Angkor can reduce indoor or shaded-corner signal, and island or lake transfers can drop data between piers.Β
Crowded Water Festival periods and holiday travel around Phnom Penh can also stress ride-hailing, payment, and messaging apps.
A Cambodia eSIM is usually the easiest data option, but four practical questions are worth checking before the trip.
Will activation be awkward at the airport? Activation is easiest on home WiFi before flying, then the Cambodia eSIM can connect after landing at KTI, SAI, or KOS. Travelers who wait until the baggage hall may be juggling e-Arrival QR codes, hotel messages, and ride-hailing at the same time.
Will the plan use the right network? Provider brands do not always show the whole network story because the plan’s Cambodian partner controls coverage. A Siem Reap and Phnom Penh trip can work on most partners, but Mondulkiri, Cardamom, Koh Kong, or island travel should favor broader reach.
Will apps still need the home number? Banking apps, airline accounts, and some messaging logins may send SMS to the home SIM. Dual SIM keeps that number available while the Cambodia eSIM handles PassApp, Grab, maps, Bakong Tourists, and hotel messaging.
Will remote areas feel different from cities? Yes, but that is true for local SIMs too. Angkor outer roads, Bokor Mountain, Tonle Sap villages, Koh Rong beaches, and border roads can all shift from 5G or strong 4G to weaker 4G, so offline maps and saved booking details are still smart.
Install the Cambodia eSIM on home WiFi, keep the QR code or app login saved, and switch mobile data to the eSIM after landing at KTI, SAI, or KOS.
Pick a plan, pay, get a QR code by email within ~60 seconds.
iPhone: Settings β Cellular. Android: Network β SIMs β Add eSIM.
Point your phone at the QR on a second screen, or paste the activation code.
Name it “eSIM” so it’s obvious in your line picker.
Toggle the eSIM line on as you land. Data works on the jet bridge.
Most recent unlocked iPhone, Google Pixel, Samsung Galaxy, and selected Motorola or Huawei models support eSIM for Cambodia, but travelers should confirm the exact model and carrier unlock status before leaving for Phnom Penh or Siem Reap.
XS, XR, 11, 12, 13, 14, 15, 16 & SE (2nd gen+)
Yes. A dual SIM phone can keep the home SIM active for calls and SMS while the Cambodia eSIM handles mobile data on Cellcard, Metfone, or Smart.
This setup is useful because Cambodia travel still creates moments where the home number matters. Bank verification, airline disruption alerts, WhatsApp account checks, and card-security messages can arrive on the home SIM while the eSIM handles PassApp rides, Grab messages, Google Maps, Telegram, and Bakong Tourists.
The common mistake is leaving data roaming enabled on the home SIM after landing. Set the Cambodia eSIM as the data line, turn off home-SIM data roaming, and allow the home SIM only for calls or SMS if needed.
A 7 to 10 day Cambodia trip can be surprisingly data-heavy if it combines Phnom Penh, Siem Reap, Battambang, and the coast. Maps, ride-hailing, temple navigation, ferry tickets, KHQR payments, and hotel messaging all create small but constant use.
Data use rises when travelers upload Angkor sunrise video, hotspot a laptop in Kampot, share a phone connection on National Road 4, or stream during a long Route 6 bus ride. Download offline maps for Angkor, Bokor, Koh Rong, and Tonle Sap before leaving strong hotel WiFi.
Activity | Avg rate | Intensity | 7β14 day total |
|---|---|---|---|
Google Maps + navigation | 50 MB/hr | ~3 GB 5 hr/day Γ 7 days | |
Instagram, TikTok, social | 700 MB/hr | ~10 GB 1 hr/day Γ 14 days | |
YouTube / Netflix (480p) | 550 MB/hr | ~8 GB 1 hr/day Γ 14 days | |
Work calls + email | 200 MB/hr | ~4 GB 2 hr/day Γ 10 days | |
iMessage, WhatsApp, light | 10 MB/hr | <1 GB Background use |
