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RoameSIM plans for Thailand

6,918 live plans from 62 providers, ranked on what a gigabyte actually costs rather than on the sticker price. Checked 13 October 2026

Compare 6,918 plans →
£0.06 Lowest per GB Cheapest honest gigabyte here
£1.44 Median per GB Unlimited and fair-use excluded
£0.78–2.78 Typical band Where most plans land
56% Advertise 5G 61% allow hotspot

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We earn a commission on some links below. Commission carries zero weight in the ranking formula, which is published in full. Prices are indicative and the provider's own checkout is always authoritative.

Showing 42 of 6,918 plans

View offer: RoameSIM, Thailand - Unlimited - 30 days 1 RoameSIM Thailand - Unlimited - 30 days 5 GB/day 30 days 5G Thailand only £62.64 £0.42 per GB
View offer: RoameSIM, Thailand - Unlimited - 10 days 2 RoameSIM Thailand - Unlimited - 10 days 5 GB/day 10 days 5G Thailand only £24.11 £0.48 per GB
View offer: RoameSIM, Thailand - Unlimited - 7 days 3 RoameSIM Thailand - Unlimited - 7 days 5 GB/day 7 days 5G Thailand only £18.91 £0.54 per GB
View offer: RoameSIM, Thailand - Unlimited - 15 days 4 RoameSIM Thailand - Unlimited - 15 days 5 GB/day 15 days 5G Thailand only £44.67 £0.60 per GB
View offer: RoameSIM, Thailand - Unlimited - 5 days 5 RoameSIM Thailand - Unlimited - 5 days 5 GB/day 5 days 5G Thailand only £14.89 £0.60 per GB
View offer: RoameSIM, Thailand - Unlimited - 3 days 6 RoameSIM Thailand - Unlimited - 3 days 5 GB/day 3 days 5G Thailand only £10.40 £0.70 per GB
View offer: RoameSIM, Thailand - 20 GB - 30 days 7 RoameSIM Thailand - 20 GB - 30 days 20 GB 30 days 5G Thailand only £17.73 £0.88 per GB
View offer: RoameSIM, Asia - Unlimited - 30 days 8 RoameSIM Asia - Unlimited - 30 days 3 GB/day 30 days 5G +17 more countries £63.35 £0.70 per GB
View offer: RoameSIM, Thailand - 3 GB - 30 days 9 RoameSIM Thailand - 3 GB - 30 days 3 GB 30 days 5G Thailand only £4.96 £1.66 per GB
View offer: RoameSIM, Asia - Unlimited - 10 days 10 RoameSIM Asia - Unlimited - 10 days 3 GB/day 10 days 5G +17 more countries £23.40 £0.78 per GB
View offer: RoameSIM, Thailand - 10 GB - 30 days 11 RoameSIM Thailand - 10 GB - 30 days 10 GB 30 days 5G Thailand only £11.58 £1.16 per GB
View offer: RoameSIM, Asia - 20 GB - 30 days 12 RoameSIM Asia - 20 GB - 30 days 20 GB 30 days 5G +17 more countries £18.44 £0.92 per GB
View offer: RoameSIM, Asia - Unlimited - 7 days 13 RoameSIM Asia - Unlimited - 7 days 3 GB/day 7 days 5G +17 more countries £19.62 £0.94 per GB
View offer: RoameSIM, Asia - Unlimited - 5 days 14 RoameSIM Asia - Unlimited - 5 days 3 GB/day 5 days 5G +17 more countries £15.60 £1.04 per GB
View offer: RoameSIM, Asia - 3 GB - 30 days 15 RoameSIM Asia - 3 GB - 30 days 3 GB 30 days 5G +17 more countries £5.44 £1.82 per GB
View offer: RoameSIM, Asia - 10 GB - 30 days 16 RoameSIM Asia - 10 GB - 30 days 10 GB 30 days 5G +17 more countries £12.06 £1.20 per GB
View offer: RoameSIM, Asia - Unlimited - 3 days 17 RoameSIM Asia - Unlimited - 3 days 3 GB/day 3 days 5G +17 more countries £11.11 £1.23 per GB
View offer: RoameSIM, Thailand - 2 GB - 15 days 18 RoameSIM Thailand - 2 GB - 15 days 2 GB 15 days 5G Thailand only £4.26 £2.13 per GB
View offer: RoameSIM, Thailand - 5 GB - 30 days 19 RoameSIM Thailand - 5 GB - 30 days 5 GB 30 days 5G Thailand only £7.33 £1.47 per GB
View offer: RoameSIM, Asia - Unlimited - 15 days 20 RoameSIM Asia - Unlimited - 15 days 3 GB/day 15 days 5G +17 more countries £45.15 £1.01 per GB
View offer: RoameSIM, Asia - 5 GB - 30 days 21 RoameSIM Asia - 5 GB - 30 days 5 GB 30 days 5G +17 more countries £7.33 £1.47 per GB
View offer: RoameSIM, Asia - 2 GB - 15 days 22 RoameSIM Asia - 2 GB - 15 days 2 GB 15 days 5G +17 more countries £4.73 £2.37 per GB
View offer: RoameSIM, Asia - 10 GB - 7 days 23 RoameSIM Asia - 10 GB - 7 days 10 GB 7 days 5G +17 more countries £18.72 £1.88 per GB
View offer: RoameSIM, Asia - 100 GB - 180 days 24 RoameSIM Asia - 100 GB - 180 days 100 GB 180 days 5G +17 more countries £121.03 £1.21 per GB
View offer: RoameSIM, Asia - 5 GB - 7 days 25 RoameSIM Asia - 5 GB - 7 days 5 GB 7 days 5G +17 more countries £10.21 £2.04 per GB
View offer: RoameSIM, Asia - 10 GB - 15 days 26 RoameSIM Asia - 10 GB - 15 days 10 GB 15 days 5G +17 more countries £20.42 £2.04 per GB
View offer: RoameSIM, Thailand - 1 GB - 7 days 27 RoameSIM Thailand - 1 GB - 7 days 1 GB 7 days 5G Thailand only £3.55 £3.55 per GB
View offer: RoameSIM, Asia - 50 GB - 90 days 28 RoameSIM Asia - 50 GB - 90 days 50 GB 90 days 5G +17 more countries £65.95 £1.32 per GB
View offer: RoameSIM, Asia - 5 GB - 15 days 29 RoameSIM Asia - 5 GB - 15 days 5 GB 15 days 5G +17 more countries £11.91 £2.38 per GB
View offer: RoameSIM, Asia - 1 GB - 7 days 30 RoameSIM Asia - 1 GB - 7 days 1 GB 7 days 5G +17 more countries £3.55 £3.55 per GB
View offer: RoameSIM, Asia - 50 GB - 7 days 31 RoameSIM Asia - 50 GB - 7 days 50 GB 7 days 5G +17 more countries £76.59 £1.54 per GB
View offer: RoameSIM, Asia - 50 GB - 15 days 32 RoameSIM Asia - 50 GB - 15 days 50 GB 15 days 5G +17 more countries £81.69 £1.63 per GB
View offer: RoameSIM, Asia - 50 GB - 30 days 33 RoameSIM Asia - 50 GB - 30 days 50 GB 30 days 5G +17 more countries £86.80 £1.74 per GB
View offer: RoameSIM, Global - 3 GB - 30 days 34 RoameSIM Global - 3 GB - 30 days 3 GB 30 days 5G +191 more countries £15.84 £5.28 per GB
View offer: RoameSIM, Global - 20 GB - 30 days 35 RoameSIM Global - 20 GB - 30 days 20 GB 30 days 5G +191 more countries £69.02 £3.45 per GB
View offer: RoameSIM, Global - 10 GB - 30 days 36 RoameSIM Global - 10 GB - 30 days 10 GB 30 days 5G +191 more countries £42.55 £4.26 per GB
View offer: RoameSIM, Global - 2 GB - 15 days 37 RoameSIM Global - 2 GB - 15 days 2 GB 15 days 5G +191 more countries £12.77 £6.38 per GB
View offer: RoameSIM, Global - 5 GB - 30 days 38 RoameSIM Global - 5 GB - 30 days 5 GB 30 days 5G +191 more countries £24.82 £4.96 per GB
View offer: RoameSIM, Global - 5 GB - 60 days 39 RoameSIM Global - 5 GB - 60 days 5 GB 60 days 5G +191 more countries £24.82 £4.96 per GB
View offer: RoameSIM, Global - 1 GB - 7 days 40 RoameSIM Global - 1 GB - 7 days 1 GB 7 days 5G +191 more countries £7.56 £7.56 per GB
View offer: RoameSIM, Global - 20 GB - 365 days 41 RoameSIM Global - 20 GB - 365 days 20 GB 365 days 5G +191 more countries £138.28 £6.91 per GB
View offer: RoameSIM, Global - 10 GB - 180 days 42 RoameSIM Global - 10 GB - 180 days 10 GB 180 days 5G +191 more countries £118.19 £11.82 per GB
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