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Cambodia eSIM Plans
17 plans · from $25.88
Cambodia has reliable mobile coverage in major cities and tourist areas. A travel eSIM from Siima activates instantly — no physical SIM, no airport queues, no passport verification required. Learn more about how eSIMs work →
→Read our Cambodia eSIM guide — Cellcard vs Smart Axiata, Angkor Wat temple coverage, and Koh Rong island signalChoose a data plan
★ BEST VALUE
Unlimited
1 days· ∞ GB per $1
$25.88
1 GB
7 days· 0.0 GB per $1
$26.41
2 GB
15 days· 0.0 GB per $1
$51.20
3 GB
30 days· 0.0 GB per $1
$71.77
Unlimited
3 days· ∞ GB per $1
$75.19
5 GB
30 days· 0.0 GB per $1
$118.55
Unlimited
5 days· ∞ GB per $1
$124.49
Unlimited
7 days· ∞ GB per $1
$173.80
10 GB
30 days· 0.1 GB per $1
$217.80
City guides
Frequently asked questions
Do I need a physical SIM card to use mobile data in Cambodia?
No. A Siima eSIM gives you local data in Cambodia without a physical card. Activate by scanning a QR code in your phone's settings — no shop visit, no passport check required.
How do I activate my eSIM when I arrive in Cambodia?
Install the eSIM before you travel: open Settings → Cellular → Add eSIM and scan the QR code from your Siima confirmation email. Your data activates automatically when you first use mobile data in Cambodia.
How much data do I need for a trip to Cambodia?
For light use (maps, messaging, email) 1–3 GB per week is usually enough. For streaming or heavy navigation, choose a 5 GB+ plan. You can buy additional plans at any time if you run low.
Is eSIM cheaper than international roaming in Cambodia?
Almost always yes. International roaming from most home carriers costs $10–15 per day. Siima eSIM plans for Cambodia start from $25.88 and cover days or weeks of local data.