Best eSIM for Japan: Complete Guide 2025
Discover the best eSIM offers for traveling to Japan. Complete guide with provider comparison, selection criteria and activation tips.
Promo code ESIMP5
Roamify eSIM Japan: code ESIMP5
Use code ESIMP5 at checkout on Roamify to unlock 5% off your Japan data plan.
4.8/5
Secure
Instant activation
Transparent prices
Satisfaction guarantee
Top 1
KDDI
5G
4G
-5% with ESIMP5
Duration1 days
Data999 GB
3,24 €Original price
From
💰
3,08 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
🔥Popular offer
Buy now →Top 2
KDDI
5G
4G
-5% with ESIMP5
Duration2 days
Data999 GB
4,17 €Original price
From
💰
3,96 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
🔥Popular offer
Buy now →Top 3
KDDI
5G
4G
-5% with ESIMP5
Duration3 days
Data999 GB
5,56 €Original price
From
💰
5,28 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
🔥Popular offer
Buy now →Top 1
KDDI
5G
4G
-5% with ESIMP5
Duration1 days
Data999 GB
3,24 €Original price
From
💰
3,08 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
🔥Popular offer
Buy now →Top 2
KDDI
5G
4G
-5% with ESIMP5
Duration2 days
Data999 GB
4,17 €Original price
From
💰
3,96 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
🔥Popular offer
Buy now →Top 3
KDDI
5G
4G
-5% with ESIMP5
Duration3 days
Data999 GB
5,56 €Original price
From
💰
5,28 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
🔥Popular offer
Buy now →All eSIM plans for Japan
37 plans found
Last update: December 28, 2025
KDDI
5G
4G
-5% with ESIMP5
Duration1 days
Data999 GB
3,24 €Original price
From
💰
3,08 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration2 days
Data999 GB
4,17 €Original price
From
💰
3,96 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration3 days
Data999 GB
5,56 €Original price
From
💰
5,28 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration4 days
Data999 GB
6,48 €Original price
From
💰
6,16 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration4 days
Data10 GB
7,41 €Original price
From
💰
7,04 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration5 days
Data999 GB
7,41 €Original price
From
💰
7,04 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration6 days
Data999 GB
8,80 €Original price
From
💰
8,36 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration4 days
Data12 GB
9,26 €Original price
From
💰
8,80 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration7 days
Data999 GB
10,19 €Original price
From
💰
9,68 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration7 days
Data18 GB
11,11 €Original price
From
💰
10,56 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration8 days
Data999 GB
11,11 €Original price
From
💰
10,56 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration9 days
Data999 GB
12,50 €Original price
From
💰
11,88 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration7 days
Data21 GB
12,96 €Original price
From
💰
12,31 €
🎟️Code ESIMP5: -5%
✅ Ideal for a short stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration10 days
Data27 GB
14,81 €Original price
From
💰
14,07 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration10 days
Data30 GB
16,67 €Original price
From
💰
15,83 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration10 days
Data999 GB
16,67 €Original price
From
💰
15,83 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration11 days
Data999 GB
19,44 €Original price
From
💰
18,47 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration12 days
Data999 GB
21,30 €Original price
From
💰
20,23 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration13 days
Data999 GB
23,15 €Original price
From
💰
21,99 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration14 days
Data999 GB
25,00 €Original price
From
💰
23,75 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration15 days
Data999 GB
26,85 €Original price
From
💰
25,51 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration16 days
Data999 GB
28,70 €Original price
From
💰
27,27 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration17 days
Data999 GB
30,56 €Original price
From
💰
29,03 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration18 days
Data999 GB
32,41 €Original price
From
💰
30,79 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration19 days
Data999 GB
34,26 €Original price
From
💰
32,55 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration20 days
Data999 GB
36,11 €Original price
From
💰
34,31 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration21 days
Data999 GB
37,96 €Original price
From
💰
36,06 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration22 days
Data999 GB
39,81 €Original price
From
💰
37,82 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration23 days
Data999 GB
40,74 €Original price
From
💰
38,70 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration24 days
Data999 GB
42,59 €Original price
From
💰
40,46 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration25 days
Data999 GB
44,44 €Original price
From
💰
42,22 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration26 days
Data999 GB
46,30 €Original price
From
💰
43,98 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration30 days
Data999 GB
50,93 €Original price
From
💰
48,38 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration30 days
Data100 GB
55,56 €Original price
From
💰
52,78 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration30 days
Data200 GB
60,19 €Original price
From
💰
57,18 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration30 days
Data300 GB
64,81 €Original price
From
💰
61,57 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →KDDI
5G
4G
-5% with ESIMP5
Duration30 days
Data1000 GB
69,44 €Original price
From
💰
65,97 €
🎟️Code ESIMP5: -5%
✅ Ideal for a long stay
Buy now →
