How much does an Airalo eSIM for Japan cost?

Airalo Japan plans start at $4.00 for 1 GB over 3 Days. Across all 55 plans, data allowances run from 0 GB to 100 GB, with validity from 3 to 365 days. Airalo ranks 4 of 6 on entry price for Japan. Roamix currently starts lower, at $0.85.

Which Airalo plan is the best value for Japan?

On cost per gigabyte, the best Airalo plan for Japan is 100 GB for 180 Days at $89.00 — about $0.89 per GB. The cheapest headline price ($4.00) is a smaller bundle, so it costs more per gigabyte. Pick the entry plan for a short trip and the value plan if you expect to stream, map or tether.

Is Airalo the cheapest eSIM for Japan?

Not always. Airalo ranks 4 of 6 on entry price for Japan. Roamix currently starts lower, at $0.85. Entry price alone can mislead, though — a cheap 1 GB bundle often costs far more per gigabyte than a mid-size plan. Compare the full Japan table before deciding.

Does Airalo support 5G in Japan?

Yes — 55 of 55 Airalo plans for Japan run on 5G where the local network supports it. Actual speeds depend on your device, your location and how busy the host carrier's network is.

How do I install an Airalo eSIM?

QR code or in-app install, delivered instantly after purchase. Buy before you fly while you still have home connectivity, but do not activate until you land — validity usually starts on first connection to a local network, not at purchase. Your phone must be carrier-unlocked and eSIM-capable.

Can I top up an Airalo Japan plan?

Airalo offers Japan plans up to 365 days, so for longer stays it is usually cheaper to buy the longer plan up front than to top up a short one. Top-up availability varies by plan — check the plan detail before you buy if you expect to extend.

Airalo Japan eSIM: Plans & Prices (2026)

All 55 Airalo plans for Japan, priced live — from $4.00. The largest eSIM marketplace, with local plans in 200+ destinations.

Plans available

$4.00

Starts from

$0.89

Best cost / GB

#4 of 6

Entry price rank

The short answer

Airalo ranks 4 of 6 on entry price for Japan. Roamix currently starts lower, at $0.85.

Best value on cost per gigabyte is 100 GB / 180 Days at $89.00 ($0.89 per GB).

Is Airalo a good choice for Japan?

Airalo is the default choice for most travellers because its catalogue is the broadest — if a country sells eSIMs at all, Airalo almost certainly lists it. That breadth comes with a trade-off: Airalo resells local carrier capacity rather than running its own network, so per-GB pricing is rarely the cheapest in any single market. Where it consistently wins is in countries other providers skip, and on small starter bundles (1 GB / 7 days) that suit short trips.

Where it wins

✓Widest destination coverage of any provider we track
✓Small 1 GB starter bundles ideal for short stays
✓Well-established app with reliable QR delivery

What to watch

!Rarely the cheapest per GB — compare before buying
!Most plans are data-only, with no voice or SMS

Every Airalo plan for Japan

Sorted cheapest first. Prices are pulled live from Airalo and refresh through the day.

CheapestMost Trusted

Airalo⚡ LIVE

Asialink - 1 GB

1 GB·3 Days·18 Countries·Hotspot

$4.00

$4.00/GB

~$1.33/day

Instant QR Activation

Provider	Plans	Entry price	Best cost / GB
Airalo (this page)	55	$4.00	$0.89
Roamix	509	$0.85	$0.78
BreezeSIM	24	$2.08	$0.85
eSIMPal	8	$3.90	$2.80
Nomad	23	$4.00	$0.78
Saily	17	$4.99	$1.96

Airalo Japan eSIM: Plans & Prices (2026)

Is Airalo a good choice for Japan?

Where it wins

What to watch

Every Airalo plan for Japan

Airalo vs other providers in Japan

Airalo Japan eSIM: common questions