🌏 10+ Countries · One eSIM · From $3

Cheapest eSIM for
Southeast Asia 2026

Thailand, Vietnam, Bali, Singapore, Philippines and more. One eSIM covers your entire trip — no SIM swapping, no airport queues.

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Country-by-Country Plans

Individual plans for each country, or one regional plan for multi-stop trips

🌏 Southeast Asia Regional Plan

Traveling to multiple countries? One eSIM covers Thailand, Vietnam, Indonesia, Malaysia, Singapore and more.

From $15 / 10 days · 3GB


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Tips for SEA Travel with eSIM

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Install Before You Fly

Set up your eSIM at home. When you land in Bangkok or Bali, just enable it — instant 4G connection, no airport SIM hunt.

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Data Usage in SEA

Google Maps is the biggest data drain. Download offline maps for each city before you go. 1GB covers about 4-5 days of normal use.

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Multi-Country Trips

For Thailand → Vietnam → Bali in one trip, get a regional plan. Switching countries is automatic — your eSIM finds the best network.

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APN Settings

Most eSIMs auto-configure APN. If data doesn't work after enabling, go to Settings → Mobile Data → APN and enter "auto" or contact support.

Southeast Asia eSIM FAQ

Can one eSIM cover multiple countries in Southeast Asia?

Yes — SimRyoko's regional Southeast Asia plans cover multiple countries on a single eSIM. Travel between Thailand, Vietnam, Indonesia, Malaysia, and Singapore without buying a new SIM each time.

What is the cheapest eSIM for Thailand?

SimRyoko's Thailand eSIM starts at $3 for 1GB / 7 days — cheaper than airport SIMs in Bangkok. For longer trips, the 5GB / 30-day plan offers the best value at around $10.

Does eSIM work in Bali / Indonesia?

Yes — eSIM works in Bali, Jakarta, Yogyakarta and most Indonesian cities. Our Indonesia eSIM uses XL and Telkomsel networks. Signal may be weaker in very remote areas.

Do I need a local SIM in Vietnam?

No — a travel eSIM works perfectly. Our Vietnam eSIM covers Hanoi, Ho Chi Minh City, Da Nang, Hoi An, Nha Trang and all major tourist areas on Viettel and Mobifone networks.

Is eSIM cheaper than buying local SIMs in each country?

For multi-country trips, regional eSIM is more convenient and similar in price. You avoid buying separate SIMs in each country, dealing with language barriers at local shops, and risking losing your home SIM card.

Ready for Southeast Asia?

From Bangkok to Bali. One eSIM, instant activation, no queues.

Browse SEA Plans →