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All eSIM plans for Japan
628 plans found · Last update: 23 January 2026
| # | Plan | Data | Duration | Price/GB | Promo code | Price |
|---|---|---|---|---|---|---|
1 |  Japan – 7 jours GigSkyNTT Docomo | 0.10GB | 7 days | £0.00 | -15% | £0.00 |
2 |  Japan GoMoWorld | 3.50GB | 7 days | £0.88 | -10% | £3.09£3.43 |
3 |  Japan 1GB 7Days (IIJ) Esimflare | 1.00GB | 30 days | £2.13 | -10% | £2.13£2.37 |
4 | Japan 3GB 15Days (IIJ) Esimflare | 3.00GB | 30 days | £0.80 | -10% | £2.41£2.68 |
5 |  Japan (SoftBank, KDDI) - 1GB Daily / 1Days eSIM4Travel | 1.00GB | 1 days | £0.91 | -10% | £0.91£1.01 |
6 | Japan (KDDI) - 500MB Daily / 1Days eSIM4Travel | 0.49GB | 1 days | £1.90 | -10% | £0.93£1.03 |
7 |  Japan 1GB 7 Days5G AdventureSimsKDDI/au | 1.00GB | 7 days | £0.93 | -10% | £0.93£1.04 |
8 | Japan (SoftBank, KDDI) - 500MB Daily / 1Days eSIM4Travel | 0.49GB | 1 days | £2.42 | -10% | £1.18£1.32 |
9 | Japan (KDDI) - 1GB Daily / 1Days eSIM4Travel | 1.00GB | 1 days | £1.18 | -10% | £1.18£1.32 |
10 | Japan (KDDI) - 500MB Daily / 2Days eSIM4Travel | 0.49GB | 2 days | £2.42 | -10% | £1.18£1.32 |
11 | Japan (KDDI) - 1GB/7Days eSIM4Travel | 1.00GB | 7 days | £1.55 | -10% | £1.55£1.72 |
12 |  Japan 1GB 7Days5G Ezy eSIM | 1.00GB | 7 days | £1.58 | -10% | £1.58£1.75 |
13 | Japan (SoftBank, KDDI) - 1GB/7Days eSIM4Travel | 1.00GB | 7 days | £1.67 | -10% | £1.67£1.86 |
14 | Japan (SoftBank, KDDI) - 500MB Daily / 2Days eSIM4Travel | 0.49GB | 2 days | £3.41 | -10% | £1.67£1.86 |
15 | Japan (KDDI) - 500MB Daily / 3Days eSIM4Travel | 0.49GB | 3 days | £3.54 | -10% | £1.73£1.93 |
#1
Japan – 7 jours
GigSky · NTT Docomo
Data
0.10GB
Duration
7 days
Price/GB
£0.00
Promo code-15% With promo
£0.00
#2
#3
Japan 1GB 7Days (IIJ)
Esimflare
Data
1.00GB
Duration
30 days
Price/GB
£2.13
Promo code-10% With promo
£2.13
£2.37
#4
Japan 3GB 15Days (IIJ)
Esimflare
Data
3.00GB
Duration
30 days
Price/GB
£0.80
Promo code-10% With promo
£2.41
£2.68
#5
Japan (SoftBank, KDDI) - 1GB Daily / 1Days
eSIM4Travel
Data
1.00GB
Duration
1 days
Price/GB
£0.91
Promo code-10% With promo
£0.91
£1.01
#6
Japan (KDDI) - 500MB Daily / 1Days
eSIM4Travel
Data
0.49GB
Duration
1 days
Price/GB
£1.90
Promo code-10% With promo
£0.93
£1.03
#7
5GJapan 1GB 7 Days
AdventureSims · KDDI/au
Data
1.00GB
Duration
7 days
Price/GB
£0.93
Promo code-10% With promo
£0.93
£1.04
#8
Japan (SoftBank, KDDI) - 500MB Daily / 1Days
eSIM4Travel
Data
0.49GB
Duration
1 days
Price/GB
£2.42
Promo code-10% With promo
£1.18
£1.32
#9
Japan (KDDI) - 1GB Daily / 1Days
eSIM4Travel
Data
1.00GB
Duration
1 days
Price/GB
£1.18
Promo code-10% With promo
£1.18
£1.32
#10
Japan (KDDI) - 500MB Daily / 2Days
eSIM4Travel
Data
0.49GB
Duration
2 days
Price/GB
£2.42
Promo code-10% With promo
£1.18
£1.32
#11
Japan (KDDI) - 1GB/7Days
eSIM4Travel
Data
1.00GB
Duration
7 days
Price/GB
£1.55
Promo code-10% With promo
£1.55
£1.72
#12
5GJapan 1GB 7Days
Ezy eSIM
Data
1.00GB
Duration
7 days
Price/GB
£1.58
Promo code-10% With promo
£1.58
£1.75
#13
Japan (SoftBank, KDDI) - 1GB/7Days
eSIM4Travel
Data
1.00GB
Duration
7 days
Price/GB
£1.67
Promo code-10% With promo
£1.67
£1.86
#14
Japan (SoftBank, KDDI) - 500MB Daily / 2Days
eSIM4Travel
Data
0.49GB
Duration
2 days
Price/GB
£3.41
Promo code-10% With promo
£1.67
£1.86
#15
Japan (KDDI) - 500MB Daily / 3Days
eSIM4Travel
Data
0.49GB
Duration
3 days
Price/GB
£3.54
Promo code-10% With promo
£1.73
£1.93
eSIM promo codes for Japan
Use our partner coupons to unlock instant savings on your eSIM purchases.
Voyeglobal
Code
Code
ESIMP-20% with ESIMPVoyeglobal offers eSIMs for traveling worldwide with excellent coverage.
GigSky
Code
Code
ESIMP-15% with ESIMPGigSky provides international eSIM plans with premium network access tailored for frequent travelers.
Yesim
Code
Code
ESIMP-15% with ESIMPYesim offers flexible eSIM plans across Europe and worldwide, including unlimited data options and multiple durations.
Best eSIM operators in Japan in 2026
| # | Operator | Promo code | Discount | Action |
|---|---|---|---|---|
1 |  | ESIMP | -15% | Get the offer |
2 |  | ESIMP | -15% | Get the offer |
3 |  | ESIMP | -15% | Get the offer |
4 |  | — | -10% | View offer |
5 |  | ESIMP | -10% | Get the offer |
#4Airalo
-10%
