Every Three roaming pack, checked on Three's own site, next to live data eSIM prices by destination.
| Pack | Type | Validity | Data | Calls | SMS | Also |
|---|---|---|---|---|---|---|
| £2.75 | Go Roam in Europe daily charge | per day | Per plan | - | - | Joined or upgraded on or after 18 December 2025 (£2 if you joined 1 October 2021 to 17 December 2025); up to 12GB of your data |
| £8 | Go Roam Around the World daily charge | per day | Per plan | - | - | Joined or upgraded on or after 18 December 2025 (£7 if you joined 1 October 2021 to 17 December 2025); up to 12GB of your data |
From www.three.co.uk/blog/how-much-does-it-cost-to-roam, checked 28 September 2026. Three is a trademark of Hutchison 3G UK Limited. Slashtel is not affiliated with Three.
Three's options are £2.75 a day (Go Roam in Europe daily charge), £8 a day (Go Roam Around the World daily charge), as listed on Three's site on 28 September 2026.
For data, in 8 of the destinations we compare: Europe (£13.37 vs £27.50), Germany (£5.96 vs £27.50), France (£6.57 vs £27.50), Italy (£5.96 vs £27.50), Spain (£5.96 vs £27.50), Netherlands (£5.96 vs £27.50), Greece (£5.96 vs £27.50), Portugal (£5.96 vs £27.50). Three's options also include calls, which a data eSIM does not.
Yes. Keep the Three SIM in the phone for calls and texts such as bank codes, and use the eSIM for mobile data.