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

11 Southeast Asia countries are covered by at least one of HelloRoam, Airalo, Holafly, Saily, and Nomad. Published worldwide destination counts are HelloRoam 186, Airalo 200+, Holafly 160, Saily 200, and Nomad 200. This page does not invent a per-region coverage count from those catalogues. Check each country page for exact provider availability and carrier routing. Airalo Asialink covers 16 countries. Holafly Asia covers 12. Airalo Discover Global covers 130. HelloRoam publishes a Europe bundle of 32 countries (price unpublished) and no Asia regional bundle. Saily and Nomad publish no regional bundle.

HelloRoam leads the 2026 composite at 4.64/5 in our comparison matrix. 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. Airalo Asialink covers 16 countries. Holafly Asia covers 12. Airalo Discover Global covers 130. HelloRoam publishes a Europe bundle of 32 countries (price unpublished) and no Asia regional bundle. Saily and Nomad publish no regional bundle. Compare a named bundle against the sum of the single-country totals on this page. HelloRoam's Europe bundle price is unpublished, so it is not quoted.

HelloRoam leads the 2026 composite at 4.64/5 in our comparison matrix across Southeast Asia. Airalo leads catalogue breadth at 200+ countries. Holafly leads unlimited daily data (available in 9 Southeast Asia markets). Saily leads on privacy with built-in VPN. Nomad offers the lowest published per-GB floor ($3.00/GB) where it operates. Dimension wins are not the composite. Each country page shows the weighted matrix scores for HelloRoam, Airalo, Holafly, Saily, and Nomad. Airalo Asialink covers 16 countries. Holafly Asia covers 12. Airalo Discover Global covers 130. HelloRoam publishes a Europe bundle of 32 countries (price unpublished) and no Asia regional bundle. Saily and Nomad publish no regional bundle.

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. HelloRoam, Airalo, Holafly, Saily, and Nomad support 5G where the local network covers it. HelloRoam still leads the composite at 4.64/5 on the rubric. 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. HelloRoam leads the composite at 4.64/5 in our comparison matrix. Holafly is the primary unlimited specialist, with a published daily floor from $2.99/day. HelloRoam also sells unlimited plans from $5 for short trips. 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 typically cost less. Each country's comparison page shows the exact breakeven calculation between unlimited and fixed-data options. Airalo Asialink covers 16 countries. Holafly Asia covers 12. Airalo Discover Global covers 130. HelloRoam publishes a Europe bundle of 32 countries (price unpublished) and no Asia regional bundle. Saily and Nomad publish no regional bundle.

3 Southeast Asia countries have VPN restrictions: Vietnam, Laos, Brunei. VPN support is a scored feature in our comparison matrix. HelloRoam still leads the composite at 4.64/5. Saily, backed by NordVPN's parent company, includes built-in VPN on every plan and scores higher in restricted markets. HelloRoam, Airalo, Holafly, and Nomad 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. HelloRoam leads the 2026 composite at 4.64/5 in our comparison matrix regardless of IMEI rules.

HelloRoam leads the 2026 composite at 4.64/5 in our comparison matrix. 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. Provider order on this page is HelloRoam, Airalo, Holafly, Saily, Nomad. 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. HelloRoam's 4.64/5 on our 2026 rubric composite is the current matrix lead. 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. HelloRoam Europe 32 countries (price unpublished). Airalo Eurolink 39, Asialink 16, Discover Global 130. Holafly Europe 32, Asia 12. Saily and Nomad publish no regional bundle.