Best SIM Cards for Travelers in Southeast Asia (Updated 2025)

Internet is essential while traveling — for maps, bookings, translations, and staying in touch. Here are the best SIM card options for travelers in Southeast Asia in 2025.

📱 Local SIM Cards

✅ Cheapest option ✅ Full-speed 4G/5G in most places ⚠️ Requires passport, SIM registration 💡 Tip: Buy at airport or 7-Eleven

🇹🇭 Thailand

- AIS Traveller SIM - dtac Happy Tourist - TrueMove H Tourist SIM

🇻🇳 Vietnam

- Viettel (best coverage) - Mobifone / Vinaphone

🇲🇾 Malaysia

- Digi, Celcom, Hotlink (Maxis)

🇮🇩 Indonesia

- Telkomsel (top pick), XL Axiata

🌍 eSIM Options

- Airalo, Holafly, Nomad - No physical SIM swap - Slightly more expensive, but very convenient

📊 Which Is Best?

- Local SIM: Budget + speed - eSIM: Ease + flexibility - Long trip? Start with eSIM, switch to local later

The right SIM saves money, stress, and time — don’t land without a plan.