🌏

Best eSIM for Asia

A regional Asia eSIM covers multiple Asian countries with one plan. Ideal for backpackers and multi-country trips across Southeast Asia, East Asia and beyond.

Updated March 2026

Countries Covered

Japan, South Korea, Thailand, Vietnam, Indonesia, Malaysia, Singapore, Philippines, India, China, Hong Kong, Taiwan, Cambodia, Laos, Myanmar and more.

Our Top Pick

Airalo

Asialink 5GB — 5 GB

£15.00 30 days

Airalo's Asia regional plan covers 14 countries at a competitive price. Great for Southeast Asia backpacking routes or Japan-Korea combination trips.

Get this deal

Compare All Asia eSIM Plans

Multi-country eSIM plans for Asia, sorted by price.

Provider Plan Data Validity Price Price/GB Countries
Best Deal Airalo Asialink 3GB 3 GB 30 days £11.00 £3.67 14 countries View
Airalo Asialink 10GB 10 GB 30 days £25.00 £2.50 14 countries View
Holafly Asia Unlimited Unlimited 7 days £29.00 N/A 10 countries View
Saily Asia 5GB 5 GB 14 days £14.49 £2.90 12 countries View
Ubigi Asia 3GB 3 GB 30 days £16.00 £5.33 15 countries View
SimOptions Asia 5GB 5 GB 30 days £17.99 £3.60 11 countries View
Best Deal
Airalo £11.00
Data 3 GB
Validity 30 days
Price/GB £3.67
Countries 14
View Deal
Airalo £25.00
Data 10 GB
Validity 30 days
Price/GB £2.50
Countries 14
View Deal
Holafly £29.00
Data Unlimited
Validity 7 days
Price/GB N/A
Countries 10
View Deal
Saily £14.49
Data 5 GB
Validity 14 days
Price/GB £2.90
Countries 12
View Deal
Ubigi £16.00
Data 3 GB
Validity 30 days
Price/GB £5.33
Countries 15
View Deal
SimOptions £17.99
Data 5 GB
Validity 30 days
Price/GB £3.60
Countries 11
View Deal

Things to Know About Asia eSIMs

  • Asia regional eSIMs are excellent for Southeast Asia backpacking routes (Thailand, Vietnam, Cambodia, Indonesia).
  • Coverage quality varies significantly between Asian countries. Japan and South Korea have incredible speeds while some countries may be slower.
  • China is sometimes excluded from Asia plans, or may require special configuration due to the Great Firewall.
  • If you only need one country, a country-specific plan is cheaper. Regional plans make sense for 2+ countries.
  • Data speeds in Southeast Asia are generally good in cities but can be slower in rural and island areas.

Frequently Asked Questions

Common questions about Asia regional eSIM plans.

Which is the cheapest Asia eSIM?

Airalo offers the cheapest Asia regional eSIM at £11.00 for 3 GB covering 14 countries with 30-day validity.

Does an Asia eSIM work in China?

Some Asia regional eSIMs include China, but coverage and app access can be limited due to the Great Firewall. If China is a key destination, consider a China-specific plan with VPN capabilities.

Is an Asia eSIM good for backpacking Southeast Asia?

Yes, an Asia regional eSIM is ideal for backpacking routes through Thailand, Vietnam, Cambodia, Indonesia and Malaysia. One plan covers your entire trip without buying local SIMs in each country.

How much data do I need for 2 weeks in Asia?

For 2 weeks across multiple Asian countries, 5-10 GB is recommended. Most hostels and cafes have Wi-Fi, but you will want data for maps and transport apps between destinations.

Does an Asia eSIM include India?

Some Asia regional plans include India, but not all. India has specific eSIM regulations, so always verify India is listed in the plan's country coverage before purchasing.

Country-Specific eSIM Deals

If you are only visiting one country, a local plan may be cheaper.

🇯🇵 Japan from £4.50 🇹🇭 Thailand from £4.50 🇰🇷 South Korea from £5.00 🇦🇺 Australia from £5.00