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Travelsim Asia plans for Japan

6,108 live plans from 63 providers, ranked on what a gigabyte actually costs rather than on the sticker price. Checked 13 October 2026

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£0.17 Lowest per GB Cheapest honest gigabyte here
£1.46 Median per GB Unlimited and fair-use excluded
£0.85–3.09 Typical band Where most plans land
56% Advertise 5G 61% allow hotspot

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Showing 16 of 6,108 plans

View offer: Travelsim Asia, Asia eSIM - 14 destinations 1 Travelsim Asia Asia eSIM - 14 destinations 3 GB 15 days 5G +13 more countries £5.29 £1.76 per GB
View offer: Travelsim Asia, eSIM Japan 2 Travelsim Asia eSIM Japan 50 GB 30 days 5G Japan only £26.47 £0.53 per GB
View offer: Travelsim Asia, Asia eSIM - 14 destinations 3 Travelsim Asia Asia eSIM - 14 destinations 10 GB 30 days 5G +13 more countries £15.12 £1.51 per GB
View offer: Travelsim Asia, Asia eSIM - 14 destinations 4 Travelsim Asia Asia eSIM - 14 destinations 5 GB 30 days 5G +13 more countries £8.31 £1.66 per GB
View offer: Travelsim Asia, eSIM Japan 5 Travelsim Asia eSIM Japan 20 GB 30 days 5G Japan only £17.39 £0.87 per GB
View offer: Travelsim Asia, eSIM Japan 6 Travelsim Asia eSIM Japan 3 GB 15 days 5G Japan only £5.29 £1.76 per GB
View offer: Travelsim Asia, Asia eSIM - 14 destinations 7 Travelsim Asia Asia eSIM - 14 destinations 20 GB 30 days 5G +13 more countries £30.25 £1.51 per GB
View offer: Travelsim Asia, eSIM Japan 8 Travelsim Asia eSIM Japan 10 GB 30 days 5G Japan only £12.09 £1.21 per GB
View offer: Travelsim Asia, eSIM Japan 9 Travelsim Asia eSIM Japan 5 GB 30 days 5G Japan only £7.56 £1.51 per GB
View offer: Travelsim Asia, eSIM Japan 10 Travelsim Asia eSIM Japan 1 GB 7 days 5G Japan only £2.64 £2.64 per GB
View offer: Travelsim Asia, Asia - 12 country pack 11 Travelsim Asia Asia - 12 country pack 20 GB 30 days 5G +11 more countries £49.16 £2.46 per GB
View offer: Travelsim Asia, Asia - 12 country pack 12 Travelsim Asia Asia - 12 country pack 3 GB 15 days 5G +11 more countries £13.61 £4.54 per GB
View offer: Travelsim Asia, Asia - 12 country pack 13 Travelsim Asia Asia - 12 country pack 10 GB 30 days 5G +11 more countries £32.52 £3.25 per GB
View offer: Travelsim Asia, Global 118 country pack 14 Travelsim Asia Global 118 country pack 10 GB 30 days 5G +116 more countries £29.50 £2.95 per GB
View offer: Travelsim Asia, Global 118 country pack 15 Travelsim Asia Global 118 country pack 20 GB 30 days 5G +116 more countries £60.51 £3.03 per GB
View offer: Travelsim Asia, Asia - 12 country pack 16 Travelsim Asia Asia - 12 country pack 5 GB 30 days 5G +11 more countries £21.94 £4.39 per GB
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