eSIM Providers for Southeast Asia (2026) — 11 Countries Compared

11 Southeast Asia countries are covered by at least one of the 5 providers in our comparison. HelloRoam covers approximately 10 of these Southeast Asia countries, Airalo ~10 of the region, Holafly ~9, Saily ~8, and Nomad ~6. Check each country page for exact provider availability and carrier routing details. Coverage counts are estimates based on provider-published destination lists as of June 2026.

The lowest per-GB rate in Southeast Asia is $0.29/GB in Thailand. The region-wide median is $1.35/GB and the average is $1.41/GB. Prices vary by country, data tier, and provider. Higher data tiers (10GB, 20GB) typically have lower per-GB rates than entry-level plans. Regional multi-country bundles from HelloRoam, Airalo and Holafly cover several countries on one eSIM, which is a setup saving on a multi-destination trip; compare the bundle price against the per-country totals above.

No single provider scores highest across all 11 Southeast Asia countries. Airalo has the widest coverage (~10 countries). Holafly scores highest on unlimited data (available in 9 Southeast Asia markets). Saily leads on privacy with built-in VPN. Nomad offers the lowest per-GB rates where it operates. The highest-scoring provider depends on your specific destination and data needs. Each country page shows the weighted matrix scores for all 5 providers.

7 of 11 countries in Southeast Asia have active 5G networks (64% of the region). 5G availability is a direct input to the network score in our comparison matrix. All 5 providers support 5G where the local network covers it. Check individual country pages for specific 5G carrier names and coverage areas.

Yes. Unlimited daily data plans are available in 9 of 11 Southeast Asia countries. Holafly is the primary unlimited provider, starting from $2.99/day. Unlimited plans include a daily full-speed data allowance before speeds are reduced. For light data users (under 3 GB per trip), fixed-data plans from Airalo or Nomad typically cost less. Each country's comparison page shows the exact breakeven calculation between unlimited and fixed-data options.

3 Southeast Asia countries have VPN restrictions: Vietnam, Laos, Brunei. VPN support is a scored feature in our comparison matrix. Saily, backed by NordVPN's parent company, includes built-in VPN on every plan and scores higher in restricted markets. The other 5 providers do not include VPN. Check each restricted country's page for specific VPN rules and how they affect provider scores.

1 Southeast Asia countries require IMEI registration: Indonesia. IMEI registration adds activation friction. In these markets, your device IMEI must be registered with the local carrier before the eSIM activates. This process is handled automatically by most providers but can add setup time. Check the specific country's comparison page for IMEI registration details and carrier requirements.

Each country in Southeast Asia gets a comparison across 5 equal-weight dimensions at 20% each: Coverage Breadth, Pricing Tiers, Network Generation, App Features, and Support Channels. Scores are derived from provider-published data, published support channels, refund windows, and carrier routing assignments. The matrix also includes provider-to-carrier routing tables, per-GB pricing at every tier, unlimited plan breakeven calculations, and refund policy comparisons. All data is checked weekly against each provider's own pages.

Pricing and plan availability for all 11 Southeast Asia countries are verified weekly. Provider scores are recalculated monthly or when a provider changes pricing, support hours, or refund terms. Carrier routing assignments are updated when providers switch local network partners. The freshness bar on each page shows the last verification date. All data is sourced directly from provider websites and published carrier documentation.