Quick Summary
- Best option: eSIM (instant, no physical card needed)
- Budget option: Local SIM at airport ($5-10)
- Data cost: ~$5-15 for 30 days unlimited
- Coverage: 4G/LTE in all cities, most rural areas
Your Options
eSIM (Recommended)
Download before you arrive. Works instantly when you land. No physical SIM swap needed.
Price: $8-15
7-30 days unlimited data
Providers
Airalo, Holafly, Nomad
Check compatibility: iPhone XS or newer, most Android phones from 2019+
Local SIM Card
Buy at the airport arrivals hall. Staff will set it up for you. Passport required.
Price: $5-10
30 days with 3-5GB/day
Best carriers
Viettel, Mobifone, Vinaphone
Pocket WiFi Rental
Good for groups. Rent at airport, return when leaving. Connects 5+ devices.
Price: $3-5/day
Unlimited data, shared connection
Downside
Need to carry extra device
Tips
- eSIM users: Download the eSIM before leaving home (needs WiFi)
- Airport SIM: Booths are right after customs. Takes 5-10 minutes.
- Top-ups: Buy credit at any convenience store (Circle K, FamilyMart)
- Free WiFi: Available at most cafes, hotels, and restaurants