Siem Reap eSIM: what to know before you land
🇰🇭 Siem Reap, Cambodia · SAI · 3-day pick: 2 GB for $4.99
Landing in Siem Reap
- SAI Siem Reap–Angkor International
The new Siem Reap–Angkor International Airport opened in 2023 well outside town, so allow around an hour by shuttle or taxi to the centre and the Angkor temples.
- Install the Cambodia eSIM at home on Wi-Fi before you fly.
- When the plane lands at SAI, turn on data roaming for the eSIM line, so maps and transport apps work from the arrivals hall.
- The days start counting on first connection in Cambodia, not at purchase.
You'll need about 1.5 GB over 3 days. 2 GB covers it with room to spare.
Maps and messaging only? 1 GB · 7 days for $3.99.
Pay · $4.99Short stays in Siem Reap
| Stay | Maps & messaging | Plus socials & photos | Streaming & hotspot |
|---|---|---|---|
| 2 days | $3.99 1 GB · 7 daysneeds ~409 MB | $4.99 2 GB · 15 daysneeds ~1 GB | $6.99 3 GB · 30 daysneeds ~2.6 GB |
| 3 days | $3.99 1 GB · 7 daysneeds ~614 MB | $4.99 2 GB · 15 daysneeds ~1.5 GB | $11.99 Unlimited · 3 daysneeds ~3.9 GB |
| 4 days | $3.99 1 GB · 7 daysneeds ~819 MB | $6.99 3 GB · 30 daysneeds ~2 GB | $19.99 Unlimited · 5 daysneeds ~5.2 GB |
| 5 days | $4.99 2 GB · 15 daysneeds ~1 GB | $6.99 3 GB · 30 daysneeds ~2.5 GB | $19.99 Unlimited · 5 daysneeds ~6.5 GB |
| 7 days | $4.99 2 GB · 15 daysneeds ~1.4 GB | $9.99 5 GB · 30 daysneeds ~3.5 GB | $22.99 Unlimited · 7 daysneeds ~9.1 GB |
Networks
The Cambodia eSIM connects to Smart. No 5G is listed on this plan; expect 4G/LTE.
Going on from Siem Reap? Asia (18 countries), Global (202 countries) — cover Cambodia too.
Questions about Siem Reap
Which airports serve Siem Reap?
Siem Reap–Angkor International (SAI). The new Siem Reap–Angkor International Airport opened in 2023 well outside town, so allow around an hour by shuttle or taxi to the centre and the Angkor temples.
How much data do I need for 3 days in Siem Reap?
About 1.5 GB for maps, messaging, socials and photos (our estimate: 0.5 GB a day). Our pick is 2 GB · 15 days for $4.99. If you only need maps and messaging, 1 GB · 7 days for $3.99 is enough.
Can I be online as soon as I land at SAI?
Yes, if you install the eSIM before you fly. Install it at home on Wi-Fi, then switch on data roaming for the eSIM line when you land; the plan's days start when it first connects to a network in Cambodia.
Which networks will I use in Siem Reap?
The Cambodia eSIM connects to Smart. No 5G is listed on this plan; expect 4G/LTE.