Southeast Asia eSIM Comparison — Thailand, Vietnam, Philippines, Indonesia
Southeast Asia eSIM Comparison Guide
Planning a trip to Thailand, Vietnam, Philippines, or Indonesia? Here's everything you need to know about eSIM for the top 4 Southeast Asian destinations — speed, price, coverage, and recommendations.
📊 Quick Comparison: 4 Countries
| Thailand 🇹🇭 | Vietnam 🇻🇳 | Philippines 🇵🇭 | Indonesia 🇮🇩 | |
|---|---|---|---|---|
| Avg Speed | 🔥🔥🔥🔥 Very Fast | 🔥🔥🔥 Fast | 🔥🔥🔥 Moderate | 🔥🔥🔥 Moderate |
| 5G Support | Major cities ✅ | Limited ⚠️ | Limited ⚠️ | Very limited ⚠️ |
| Coverage | Excellent ✅ | Good in cities ✅ | Island-dependent ⚠️ | Main islands ✅ |
| Price | Low 💰 | Very Low 💰 | Low 💰 | Low 💰 |
| eSIM Ease | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ |
🇹🇭 Thailand
Top Carriers: AIS, True Move H, DTAC (now merged with True)
Key Facts:
- Bangkok, Chiang Mai, Phuket, Pattaya: Excellent 4G/5G
- Islands (Koh Samui, Koh Phi Phi): 4G available but slower
- Average speed: 40–80 Mbps (Bangkok)
Recommended Plans:
| Duration | Data | Est. Price |
|---|---|---|
| 7 days | 10GB | $9–14 |
| 15 days | 20GB | $15–22 |
| 30 days | 30GB | $21–30 |
Tips: Use Grab app for transport. Signal may weaken on boat trips to islands.
🇻🇳 Vietnam
Top Carriers: Viettel (best coverage), Vinaphone, Mobifone
Key Facts:
- Hanoi, Ho Chi Minh City, Da Nang: Stable 4G
- Northern mountains (Sapa): Partial 4G, mostly 3G
- Average speed: 25–50 Mbps
- Best value for money in Southeast Asia
Recommended Plans:
| Duration | Data | Est. Price |
|---|---|---|
| 7 days | 10GB | $6–11 |
| 15 days | 20GB | $11–17 |
| 30 days | 30GB | $17–25 |
Tips: Grab is essential for transport. Signal can be weak during Ha Long Bay cruises.
🇵🇭 Philippines
Top Carriers: Globe Telecom, Smart Communications (PLDT), DITO
Key Facts:
- Manila, Cebu, Boracay: Stable 4G
- 7,600+ islands — remote islands may have limited/no signal
- Average speed: 20–45 Mbps
- ⚠️ Warning: Large coverage variation between islands
Recommended Plans:
| Duration | Data | Est. Price |
|---|---|---|
| 7 days | 10GB | $8–13 |
| 15 days | 20GB | $14–20 |
| 30 days | 30GB | $19–27 |
Tips: Pre-install Grab Philippines and download offline maps for island areas.
🇮🇩 Indonesia
Top Carriers: Telkomsel (widest coverage), XL Axiata, Indosat Ooredoo
Key Facts:
- Jakarta, Bali, Lombok, Surabaya: Stable 4G
- Bali has excellent tourist-area coverage
- Average speed: 20–40 Mbps (Bali)
- 17,000+ islands — remote islands have limited/no signal
Recommended Plans:
| Duration | Data | Est. Price |
|---|---|---|
| 7 days | 10GB | $8–13 |
| 15 days | 20GB | $14–21 |
| 30 days | 30GB | $19–27 |
Tips: Install Gojek app (transport + food delivery + payments). For remote islands, choose Telkomsel-based eSIM.
🗺️ Multi-Country vs Single-Country eSIM
| Multi-Country eSIM | Single-Country eSIM | |
|---|---|---|
| Convenience | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ |
| Price | Higher | Lower |
| Speed | Good | Best (local carrier) |
| Best for | 3+ countries | 1–2 countries |
✅ Recommendations Summary
| Travel Type | Recommendation |
|---|---|
| Thailand only | AIS-based single eSIM |
| Vietnam only | Viettel-based eSIM (best value) |
| Philippines islands | Globe-based + offline maps |
| Bali only | Telkomsel-based eSIM |
| 2–3 SE Asia countries | Southeast Asia multi-country eSIM |
Compare and buy SE Asia eSIM plans at esimoa.com →