Cheapest Japan eSIM plans per GB

Compare every available Japan eSIM plan ranked by estimated cost per GB. Plans without enough allowance information remain listed after comparable plans.

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All Japan eSIM plans by cost per GB

Find the right plan

Filter the plans already shown on this page. Your choices do not create a new URL.

Trip lengthdays Maximum cost per GBUSD Maximum cost per dayUSD Sort plans

Showing all 94 plans

#1USD 0.01 per GB

Duration: 3 days
Data: 999 GB
Speed: Mobile data
Price: USD 9.02

Digital eSIM delivered by email

#2USD 0.01 per GB

Duration: 3 days
Data: 999 GB
Speed: Mobile data
Price: USD 13.84

Digital eSIM delivered by email

#3USD 0.02 per GB

Duration: 5 days
Data: 999 GB
Speed: Mobile data
Price: USD 15.54

Digital eSIM delivered by email

#4USD 0.02 per GB

Duration: 5 days
Data: 999 GB
Speed: Mobile data
Price: USD 18.86

Digital eSIM delivered by email

#5USD 0.02 per GB

Duration: 10 days
Data: 999 GB
Speed: Mobile data
Price: USD 23.02

Digital eSIM delivered by email

#6USD 0.02 per GB

Duration: 7 days
Data: 999 GB
Speed: Mobile data
Price: USD 24.20

Digital eSIM delivered by email

#7USD 0.03 per GB

Duration: 10 days
Data: 999 GB
Speed: Mobile data
Price: USD 32.34

Digital eSIM delivered by email

#8USD 0.05 per GB

Duration: 15 days
Data: 999 GB
Speed: Mobile data
Price: USD 45.10

Digital eSIM delivered by email

#9USD 0.68 per GB

Duration: 30 days
Data: 50 GB
Speed: Mobile data
Price: USD 34.00

Digital eSIM delivered by email

#10USD 0.68 per GB

Duration: 30 days
Data: 50 GB
Speed: Mobile data
Price: USD 34.00

Digital eSIM delivered by email

#11USD 0.73 per GB

Duration: 7 days
Data: 21 GB
Speed: Mobile data
Price: USD 15.42

Digital eSIM delivered by email

#12USD 0.75 per GB

Duration: 4 days
Data: 12 GB
Speed: Mobile data
Price: USD 9.04

Digital eSIM delivered by email

#13USD 0.77 per GB

Duration: 10 days
Data: 30 GB
Speed: Mobile data
Price: USD 23.02

Digital eSIM delivered by email

#14USD 0.82 per GB

Duration: 30 days
Data: 20 GB
Speed: Mobile data
Price: USD 16.40

Digital eSIM delivered by email

#15USD 0.82 per GB

Duration: 30 days
Data: 20 GB
Speed: Mobile data
Price: USD 16.40

Digital eSIM delivered by email

#16USD 0.94 per GB

Duration: 30 days
Data: 10 GB
Speed: Mobile data
Price: USD 9.40

Digital eSIM delivered by email

#17USD 0.94 per GB

Duration: 30 days
Data: 10 GB
Speed: Mobile data
Price: USD 9.40

Digital eSIM delivered by email

#18USD 0.97 per GB

Duration: 1 day
Data: 10 GB
Speed: Mobile data
Price: USD 9.68

Digital eSIM delivered by email

#19USD 1.00 per GB

Duration: 1 day
Data: 10 GB
Speed: Mobile data
Price: USD 10.00

Digital eSIM delivered by email

#20USD 1.10 per GB

Duration: 30 days
Data: 20 GB
Speed: Mobile data
Price: USD 22.00

Digital eSIM delivered by email

#21USD 1.12 per GB

Duration: 180 days
Data: 50 GB
Speed: Mobile data
Price: USD 56.00

Digital eSIM delivered by email

#22USD 1.18 per GB

Duration: 30 days
Data: 5 GB
Speed: Mobile data
Price: USD 5.90

Digital eSIM delivered by email

#23USD 1.18 per GB

Duration: 30 days
Data: 5 GB
Speed: Mobile data
Price: USD 5.90

Digital eSIM delivered by email

#24USD 1.30 per GB

Duration: 15 days
Data: 3 GB
Speed: Mobile data
Price: USD 3.90

Digital eSIM delivered by email

#25USD 1.30 per GB

Duration: 15 days
Data: 3 GB
Speed: Mobile data
Price: USD 3.90

Digital eSIM delivered by email

#26USD 1.32 per GB

Duration: 30 days
Data: 10 GB
Speed: Mobile data
Price: USD 13.20

Digital eSIM delivered by email

#27USD 1.37 per GB

Duration: 30 days
Data: 3 GB
Speed: Mobile data
Price: USD 4.10

Digital eSIM delivered by email

#28USD 1.37 per GB

Duration: 30 days
Data: 3 GB
Speed: Mobile data
Price: USD 4.10

Digital eSIM delivered by email

#29USD 1.41 per GB

Duration: 1 day
Data: 5 GB
Speed: Mobile data
Price: USD 7.04

Digital eSIM delivered by email

#30USD 1.45 per GB

Duration: 15 days
Data: 2 GB
Speed: Mobile data
Price: USD 2.90

Digital eSIM delivered by email

#31USD 1.58 per GB

Duration: 30 days
Data: 5 GB
Speed: Mobile data
Price: USD 7.92

Digital eSIM delivered by email

#32USD 1.60 per GB

Duration: 30 days
Data: 100 GB
Speed: Mobile data
Price: USD 159.98

Digital eSIM delivered by email

#33USD 1.63 per GB

Duration: 1 day
Data: 3 GB
Speed: Mobile data
Price: USD 4.90

Digital eSIM delivered by email

#34USD 1.63 per GB

Duration: 1 day
Data: 3 GB
Speed: Mobile data
Price: USD 4.90

Digital eSIM delivered by email

#35USD 1.75 per GB

Duration: 1 day
Data: 3 GB
Speed: Mobile data
Price: USD 5.26

Digital eSIM delivered by email

#36USD 1.76 per GB

Duration: 1 day
Data: 5 GB
Speed: Mobile data
Price: USD 8.80

Digital eSIM delivered by email

#37USD 1.85 per GB

Duration: 1 day
Data: 2 GB
Speed: Mobile data
Price: USD 3.70

Digital eSIM delivered by email

#38USD 1.85 per GB

Duration: 1 day
Data: 3 GB
Speed: Mobile data
Price: USD 5.56

Digital eSIM delivered by email

#39USD 1.90 per GB

Duration: 7 days
Data: 1 GB
Speed: Mobile data
Price: USD 1.90

Digital eSIM delivered by email

#40USD 1.90 per GB

Duration: 7 days
Data: 1 GB
Speed: Mobile data
Price: USD 1.90

Digital eSIM delivered by email

#41USD 1.98 per GB

Duration: 30 days
Data: 20 GB
Speed: Mobile data
Price: USD 39.66

Digital eSIM delivered by email

#42USD 2.04 per GB

Duration: 30 days
Data: 50 GB
Speed: Mobile data
Price: USD 101.76

Digital eSIM delivered by email

#43USD 2.07 per GB

Duration: 15 days
Data: 3 GB
Speed: Mobile data
Price: USD 6.22

Digital eSIM delivered by email

#44USD 2.09 per GB

Duration: 1 day
Data: 2 GB
Speed: Mobile data
Price: USD 4.18

Digital eSIM delivered by email

#45USD 2.10 per GB

Duration: 1 day
Data: 1 GB
Speed: Mobile data
Price: USD 2.10

Digital eSIM delivered by email

#46USD 2.13 per GB

Duration: 30 days
Data: 3 GB
Speed: Mobile data
Price: USD 6.40

Digital eSIM delivered by email

#47USD 2.25 per GB

Duration: 1 day
Data: 2 GB
Speed: Mobile data
Price: USD 4.50

Digital eSIM delivered by email

#48USD 2.25 per GB

Duration: 1 day
Data: 2 GB
Speed: Mobile data
Price: USD 4.50

Digital eSIM delivered by email

#49USD 2.40 per GB

Duration: 30 days
Data: 10 GB
Speed: Mobile data
Price: USD 23.96

Digital eSIM delivered by email

#50USD 2.42 per GB

Duration: 1 day
Data: 1 GB
Speed: Mobile data
Price: USD 2.42

Digital eSIM delivered by email

#51USD 2.49 per GB

Duration: 1 day
Data: 3 GB
Speed: Mobile data
Price: USD 7.48

Digital eSIM delivered by email

#52USD 2.50 per GB

Duration: 1 day
Data: 1 GB
Speed: Mobile data
Price: USD 2.50

Digital eSIM delivered by email

#53USD 2.50 per GB

Duration: 1 day
Data: 1 GB
Speed: Mobile data
Price: USD 2.50

Digital eSIM delivered by email

#54USD 2.60 per GB

Duration: 7 days
Data: 1 GB
Speed: Mobile data
Price: USD 2.60

Digital eSIM delivered by email

#55USD 2.65 per GB

Duration: 30 days
Data: 30 GB
Speed: Mobile data
Price: USD 79.47

Digital eSIM delivered by email

#56USD 2.66 per GB

Duration: 7 days
Data: 500 MB
Speed: Mobile data
Price: USD 1.30

Digital eSIM delivered by email

#57USD 2.68 per GB

Duration: 30 days
Data: 20 GB
Speed: Mobile data
Price: USD 53.51

Digital eSIM delivered by email

#58USD 2.73 per GB

Duration: 30 days
Data: 15 GB
Speed: Mobile data
Price: USD 40.95

Digital eSIM delivered by email

#59USD 2.94 per GB

Duration: 30 days
Data: 5 GB
Speed: Mobile data
Price: USD 14.70

Digital eSIM delivered by email

#60USD 3.03 per GB

Duration: 30 days
Data: 10 GB
Speed: Mobile data
Price: USD 30.34

Digital eSIM delivered by email

#61USD 3.07 per GB

Duration: 1 day
Data: 500 MB
Speed: Mobile data
Price: USD 1.50

Plan details →

Digital eSIM delivered by email

#62USD 3.07 per GB

Duration: 1 day
Data: 500 MB
Speed: Mobile data
Price: USD 1.50

Digital eSIM delivered by email

#63USD 3.15 per GB

Duration: 1 day
Data: 500 MB
Speed: Mobile data
Price: USD 1.54

Digital eSIM delivered by email

#64USD 3.31 per GB

Duration: 30 days
Data: 3 GB
Speed: Mobile data
Price: USD 9.92

Digital eSIM delivered by email

#65USD 3.37 per GB

Duration: 15 days
Data: 5 GB
Speed: Mobile data
Price: USD 16.86

Digital eSIM delivered by email

#66USD 3.55 per GB

Duration: 7 days
Data: 3 GB
Speed: Mobile data
Price: USD 10.65

Digital eSIM delivered by email

#67USD 3.72 per GB

Duration: 15 days
Data: 2 GB
Speed: Mobile data
Price: USD 7.44

Digital eSIM delivered by email

#68USD 4.44 per GB

Duration: 7 days
Data: 1 GB
Speed: Mobile data
Price: USD 4.44

Digital eSIM delivered by email

#69USD 5.10 per GB

Duration: 7 days
Data: 1 GB
Speed: Mobile data
Price: USD 5.10

Plan details →

Digital eSIM delivered by email

#70USD 6.09 per GB

Duration: 3 days
Data: 2 GB
Speed: Mobile data
Price: USD 12.18

Digital eSIM delivered by email

#71USD 6.12 per GB

Duration: 1 day
Data: 502 MB
Speed: Mobile data
Price: USD 3.00

Digital eSIM delivered by email

#72USD 6.25 per GB

Duration: 15 days
Data: 2 GB
Speed: Mobile data
Price: USD 12.51

Digital eSIM delivered by email

#73USD 11.26 per GB

Duration: 7 days
Data: 100 MB
Speed: Mobile data
Price: USD 1.10

Plan details →

Digital eSIM delivered by email

#74Not comparable per GB

Duration: 1 day
Data: Unlimited
Speed: Mobile data
Price: USD 5.46

Plan details →

Digital eSIM delivered by email

#75Not comparable per GB

Duration: 1 day
Data: Unlimited
Speed: Mobile data
Price: USD 6.46

Digital eSIM delivered by email

#76Not comparable per GB

Duration: 1 day
Data: Unlimited
Speed: Mobile data
Price: USD 11.88

Digital eSIM delivered by email

#77Not comparable per GB

Duration: 3 days
Data: Unlimited
Speed: Mobile data
Price: USD 12.04

Digital eSIM delivered by email

#78Not comparable per GB

Duration: 3 days
Data: Unlimited
Speed: Mobile data
Price: USD 14.46

Digital eSIM delivered by email

#79Not comparable per GB

Duration: 5 days
Data: Unlimited
Speed: Mobile data
Price: USD 19.14

Digital eSIM delivered by email

#80Not comparable per GB

Duration: 5 days
Data: Unlimited
Speed: Mobile data
Price: USD 22.98

Digital eSIM delivered by email

#81Not comparable per GB

Duration: 7 days
Data: Unlimited
Speed: Mobile data
Price: USD 26.24

Digital eSIM delivered by email

#82Not comparable per GB

Duration: 3 days
Data: Unlimited
Speed: Mobile data
Price: USD 28.92

Digital eSIM delivered by email

#83Not comparable per GB

Duration: 7 days
Data: Unlimited
Speed: Mobile data
Price: USD 31.48

Digital eSIM delivered by email

#84Not comparable per GB

Duration: 10 days
Data: Unlimited
Speed: Mobile data
Price: USD 36.88

Digital eSIM delivered by email

#85Not comparable per GB

Duration: 10 days
Data: Unlimited
Speed: Mobile data
Price: USD 44.24

Digital eSIM delivered by email

#86Not comparable per GB

Duration: 5 days
Data: Unlimited
Speed: Mobile data
Price: USD 45.96

Digital eSIM delivered by email

#87Not comparable per GB

Duration: 7 days
Data: Unlimited
Speed: Mobile data
Price: USD 46.51

Plan details →

Digital eSIM delivered by email

#88Not comparable per GB

Duration: 15 days
Data: Unlimited
Speed: Mobile data
Price: USD 54.58

Digital eSIM delivered by email

#89Not comparable per GB

Duration: 7 days
Data: Unlimited
Speed: Mobile data
Price: USD 62.96

Digital eSIM delivered by email

#90Not comparable per GB

Duration: 15 days
Data: Unlimited
Speed: Mobile data
Price: USD 65.52

Digital eSIM delivered by email

#91Not comparable per GB

Duration: 15 days
Data: Unlimited
Speed: Mobile data
Price: USD 66.45

Digital eSIM delivered by email

#92Not comparable per GB

Duration: 10 days
Data: Unlimited
Speed: Mobile data
Price: USD 88.48

Digital eSIM delivered by email

#93Not comparable per GB

Duration: 30 days
Data: Unlimited
Speed: Mobile data
Price: USD 102.88

Digital eSIM delivered by email

#94Not comparable per GB

Duration: 15 days
Data: Unlimited
Speed: Mobile data
Price: USD 131.00

Digital eSIM delivered by email

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How cost per GB is calculated for Japan

The displayed estimate divides the current plan price by its stated fixed-data allowance, using 1 GB as 1,024 MB. Daily-data plans use the stated daily allowance across the plan validity when that allowance is available.

Why some plans are not comparable per GB

Unlimited plans and plans without a reliable fixed allowance are still included, but appear after plans with a calculable cost per GB. Fair-use limits, reduced speeds, hotspot rules and network quality are not represented by this price calculation.

Choosing a Japan eSIM by value

A low cost per GB is useful for data-heavy travel, but the cheapest ratio is not automatically the right purchase. Check validity, activation timing, coverage scope and whether the allowance matches the length of your trip before buying.

Questions about Japan eSIM price rankings

Are unlimited eSIM plans included?

Yes. They remain in the complete list, but are marked as not comparable per GB because they do not provide a fixed total allowance for this calculation.

Does the cheapest cost per GB guarantee the best network?

No. The ranking compares price and stated allowance only. Network availability, speed, fair-use rules and support can differ by plan.