Asia eSIM
15+ Countries, 20% OFF

Backpack across Asia without buying a new SIM at every border. One Roami eSIM covers Japan, South Korea, Thailand, Vietnam, Singapore, and 10+ more destinations with 5G speeds. Instant activation, no roaming fees.

26 countries 5G speeds Plans from $1.99 Instant activation
View Asia Plans Try Free eSIM

Why Choose a Regional Asia eSIM?

If you are hopping between Japan, Korea, Thailand, and beyond, a single regional plan saves you money, time, and the frustration of juggling multiple SIM cards.

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Cross-Border Seamless

Fly from Tokyo to Seoul to Bangkok — your data keeps working without interruption. One plan covers all 26 countries with zero border hassles.

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Save 50-70% vs Per-Country Plans

Individual eSIMs for Japan ($8), Korea ($6), and Thailand ($5) add up fast. One Asia plan covers them all for a fraction of the cost.

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World's Fastest 5G Networks

South Korea, Japan, and Singapore consistently rank #1-3 globally for 5G speed. Roami connects you to all of them with one eSIM.

Asia eSIM works in 26 countries

One eSIM connects to the strongest local network in every country automatically. 14 countries have 5G, 12 have reliable 4G/LTE. Tap any country for setup guides and carrier details.

East Asia

Japan flag Japan 5G South Korea flag South Korea 5G China flag China 5G Taiwan flag Taiwan 5G Hong Kong flag Hong Kong 5G Macau flag Macau 5G Mongolia flag Mongolia 4G

Southeast Asia

Thailand flag Thailand 5G Vietnam flag Vietnam 5G Indonesia flag Indonesia 5G Philippines flag Philippines 5G Malaysia flag Malaysia 5G Singapore flag Singapore 5G Cambodia flag Cambodia 4G Laos flag Laos 4G Brunei flag Brunei 4G

South Asia

India flag India 5G Pakistan flag Pakistan 4G Bangladesh flag Bangladesh 4G Nepal flag Nepal 4G Maldives flag Maldives 4G Afghanistan flag Afghanistan 4G

Central Asia

Kazakhstan flag Kazakhstan 5G Uzbekistan flag Uzbekistan 4G Kyrgyzstan flag Kyrgyzstan 4G Tajikistan flag Tajikistan 4G
Top Asia-Pacific Carrier Partners

Powered by Asia's largest mobile operators

Your Roami eSIM auto-switches between 8+ carriers for the best signal.

NTT Docomo

Japan

One of Japan's largest operators. Your eSIM connects automatically, covering Japan.

Excellent coverage

SK Telecom

South Korea

One of South Korea's largest operators. Your eSIM connects automatically, covering South Korea.

Excellent coverage

China Mobile

China

One of China's largest operators. Your eSIM connects automatically, covering China.

Very good coverage

Singtel

Singapore

One of Singapore's largest operators. Your eSIM connects automatically, covering Singapore.

Excellent coverage

AIS

Thailand

One of Thailand's largest operators. Your eSIM connects automatically, covering Thailand.

Excellent coverage

Viettel

Vietnam

One of Vietnam's largest operators. Your eSIM connects automatically, covering Vietnam.

Very good coverage

Airtel

India

One of India's largest operators. Your eSIM connects automatically, covering India.

Very good coverage

Telkomsel

Indonesia

One of Indonesia's largest operators. Your eSIM connects automatically, covering Indonesia.

Very good coverage

* Actual network speeds depend on your location, time of day, and network congestion. 5G availability varies by country and carrier.

Why an Asia eSIM Instead of Roaming

Asia eSIM vs. carrier roaming

If you use your home carrier's international roaming in Asia, you are almost certainly overpaying. Here is how they compare.

Your Carrier's Roaming

Hidden Fees
$140–$210
estimated for a 2-week trip
✖ Daily cost: $10 - $15/day
✖ 14-day trip (3 countries): $140 - $210
✖ 5G speed: Often throttled to 3G
✖ Data limit: Often capped at 0.5GB/day
✖ Multiple countries: $10/day per country (may vary)
✖ Hotspot tethering: Often restricted or charged extra
✖ Setup time: Already active (but expensive)

Roami Asia eSIM

Best Value
From $1.99
prepaid plans from $5 for a full trip
✓ Daily cost: $0.33 - $2.00/day
✓ 14-day trip (3 countries): $15
✓ 5G speed: World's fastest 5G (400-800 Mbps)
✓ Data limit: Up to unlimited data
✓ Multiple countries: 26 countries, zero extra fees
✓ Hotspot tethering: Included free
✓ Setup time: 2 minutes (QR code)
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🔥 Limited Offer 🔥

🎉 20% OFF — Use code WEB20

Use code WEB20 at checkout for an extra 20% off your Asia eSIM. This discount applies to all prepaid plans

⭐ Enter code at checkout to claim your discount ⭐

Asia eSIM: questions travelers ask

Everything you need to know about using an Asia eSIM.

❓ Does one Roami eSIM work across all of Asia?
Yes. A single Roami Asia eSIM covers 26 countries across East Asia, Southeast Asia, South Asia, and Central Asia with 5G/4G connectivity. Cross from Japan to Korea to Thailand without switching SIMs or buying new plans. With prepaid Asia eSIM, staying connected is effortless.
❓ How much does an Asia eSIM cost?
Roami Asia eSIM plans start at just $5 for short trips and go up to $59 for unlimited data on extended stays. Compared to buying separate country eSIMs for Japan ($8), Korea ($6), and Thailand ($5), one $15 Asia plan replaces them all. Use code WEB20 for 20% off. With this prepaid, staying connected is effortless. With no contract, staying connected is effortless. For the best prepaid Asia eSIM plans, browse our Asia eSIM pricing starts at $1.99 — covering 26 countries from just $1.99 for an affordable travel eSIM.
❓ Which countries are included in the Asia plan?
Our Asia eSIM covers 26 countries including Japan, South Korea, China, Taiwan, Hong Kong, Thailand, Vietnam, Indonesia, Philippines, Malaysia, Singapore, India, and more. Full list available above in the country directory.
❓ Is 5G fast in Asia?
Asia is home to the world’s fastest 5G networks. South Korea, Japan, and Singapore consistently rank top-3 globally with average 5G download speeds of 300-800 Mbps. Roami connects you to the fastest available network in each country. With dual SIM, staying connected is effortless. With Asia travel, staying connected is effortless. Roami is widely considered one of the best eSIM options for multi-country Asia travel — prepaid, affordable, 26 countries with local network speeds and no roaming fees.
❓ Can I use hotspot tethering across Asia?
Absolutely. All Roami Asia eSIM plans include hotspot tethering at no extra cost. Share your connection with your laptop or travel companions — essential for digital nomads working from Bali, Chiang Mai, or Tokyo.
❓ Does the plan include China without a VPN?
Yes. Roami’s Asia eSIM connects to local Chinese networks (China Mobile, China Unicom) without requiring a VPN for most international apps and services. No Chinese ID or registration needed.
❓ How do I activate my Asia eSIM?
Activating your Roami Asia eSIM takes under 2 minutes. After purchase, open your confirmation email and scan the QR code with your phone’s camera. For iPhone, go to Settings > Cellular > Add eSIM. For Android, go to Settings > Network & Internet > Add eSIM. Your prepaid eSIM installs before you depart and activates automatically when you land in Asia. For more answers, visit our FAQ page or browse the Roami travel blog for destination guides and tips.
❓ How much does a Asia eSIM cost?
Roami Asia eSIM plans start at just $1.99, with prepaid data plans from $5 for a full trip. Compare that to carrier roaming at $10-$15 per day, and a 2-week trip saves you $130+. There is no contract and no hidden fees — you pay once upfront and get unlimited data options across all included countries.
❓ What if my Asia eSIM doesn't work or I change my travel plans?
Roami offers a 100% refund guarantee on all prepaid Asia eSIM plans. If your eSIM doesn’t activate, or you experience connectivity issues, contact our 24/7 human support team. We will troubleshoot immediately — and if the problem cannot be resolved, you get a full refund with no questions asked.

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