airdatalink specializes in affordable and reliable eSIM solutions, perfect for staying connected while traveling. With our focus on providing the best value and service, you can explore the world with confidence and ease.
airdatalink 
airdatalink specializes in affordable and reliable eSIM solutions, perfect for staying connected while traveling. With our focus on providing the best value and service, you can explore the world with confidence and ease.
Promo Code
GET 5% OFF
One-time
airdatalink eSIM Data Plans for Japan
Japan & South Korea eSIM
3GB
+ ∞ at 128kbps
15
Days
$4.77
(MYRÂ 20.00)
$1.59/GB
GET 5% OFF
Japan eSIM (KDDI)
3GB
15
Days
$4.77
(MYRÂ 20.00)
$1.59/GB
GET 5% OFFJapan eSIM (IIJ-Docomo)
3GB
+ ∞ at 200kbps
15
Days
$5.01
(MYRÂ 21.00)
$1.67/GB
GET 5% OFF
Low latencyJapan eSIM (IIJ-Docomo)
5GB
+ ∞ at 200kbps
30
Days
$6.21
(MYRÂ 26.00)
$1.24/GB
GET 5% OFF Low latencyJapan & South Korea eSIM
5GB
+ ∞ at 128kbps
30
Days
$7.16
(MYRÂ 30.00)
$1.43/GB
GET 5% OFFJapan eSIM (KDDI)
5GB
30
Days
$7.16
(MYRÂ 30.00)
$1.43/GB
GET 5% OFFJapan eSIM (IIJ-Docomo)
10GB
+ ∞ at 200kbps
30
Days
$8.59
(MYRÂ 36.00)
$0.86/GB
GET 5% OFF Low latencyJapan & South Korea eSIM
10GB
+ ∞ at 128kbps
30
Days
$9.55
(MYRÂ 40.00)
$0.95/GB
GET 5% OFFJapan eSIM (KDDI)
10GB
30
Days
$10.74
(MYRÂ 45.00)
$1.07/GB
GET 5% OFFJapan eSIM (IIJ-Docomo)
20GB
+ ∞ at 200kbps
30
Days
$14.32
(MYRÂ 60.00)
$0.72/GB
GET 5% OFF Low latencyJapan & South Korea eSIM
20GB
+ ∞ at 128kbps
30
Days
$16.23
(MYRÂ 68.00)
$0.81/GB
GET 5% OFFJapan eSIM (KDDI)
20GB
30
Days
$18.62
(MYRÂ 78.00)
$0.93/GB
GET 5% OFFJapan eSIM (IIJ-Docomo)
30GB
+ ∞ at 200kbps
30
Days
$19.34
(MYRÂ 81.00)
$0.64/GB
GET 5% OFF Low latencyJapan & South Korea eSIM
30GB
+ ∞ at 128kbps
30
Days
$22.68
(MYRÂ 95.00)
$0.76/GB
GET 5% OFFJapan eSIM (KDDI)
30GB
30
Days
$26.26
(MYRÂ 110.00)
$0.88/GB
GET 5% OFFJapan eSIM (IIJ-Docomo)
50GB
+ ∞ at 200kbps
30
Days
$30.56
(MYRÂ 128.00)
$0.61/GB
GET 5% OFF Low latencyJapan & South Korea eSIM
50GB
+ ∞ at 128kbps
30
Days
$35.81
(MYRÂ 150.00)
$0.72/GB
GET 5% OFFJapan eSIM (KDDI)
50GB
30
Days
$41.78
(MYRÂ 175.00)
$0.84/GB
GET 5% OFFFrequently Asked Questions
Does airdatalink offer unlimited data eSIM for Japan?
Airdatalink does not provide an unlimited‑data eSIM for Japan; all plans listed have a fixed data cap, either 30GB or 50GB, for a 30‑day validity period.
For travelers who need a large but not unlimited allowance, airdatalink offers fixed data options. For example, the Japan eSIM (IIJ‑Docomo) with 50GB is priced at $30.37 USD for 30 days, and the 30GB version is $19.22 USD for 30 days. Choosing a fixed data plan can be more cost‑effective unless a user is an extremely heavy data consumer.
Does airdatalink offer Japan eSIM with phone number and SMS?
airdatalink does not provide an eSIM with a local phone number or SMS capability for Japan. All available plans are data‑only. Travelers who need voice or messaging can use VoIP apps such as WhatsApp, Telegram, or iMessage over the data connection.
How many data plans does airdatalink offer for Japan?
Airdatalink offers a total of 18 plans for travelers visiting Japan, with 12 plans covering only Japan and an additional 6 plans that include Japan as part of a multi‑country package. The available plans span a price range of roughly $4.74 to $41.52 and provide data caps anywhere from 3 GB up to 50 GB for validity periods of 15 to 30 days. Some plans use a fixed data allotment, while others provide a daily data cap that resets each day; they also allow tethering and feature optional reduced‑speed tiers at 128 kbps or 200 kbps for those who need lower data speeds.
Summarized by Gen AI. Last updated:
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