On iliad's GIGA 150, TOP 230 and GIGA 250 plans, data in the UK needs a 5 GB option from iliad at €3.99 (US$4.55) for a month, and in Switzerland or the US a 5 GB option at €4.99 (US$5.69). Travel periods of 6 to 8 days used a median of 1.38 GB in Bcengi's 2026 sample. Paying as you go, that trip's 1.38 GB costs $1.64 in the United Kingdom at $1.19/GB, metered by the KB (Bcengi's prices are in US dollars). Bcengi is about 3 times cheaper for this trip.
This page is for iliad's GIGA 150, TOP 230 and GIGA 250 plans. Prices are as listed on iliad's website, read October 4, 2026.
What iliad charges for data outside the EU
- Extra 5GB in UE e Regno Unito: €3.99 (US$4.55) with iliad for 5 GB for a month, usable in the UK. 5 GB in Svizzera and 5 GB in USA e Canada: €4.99 (US$5.69) with iliad for 5 GB for a month.
- iliad allows each option once a month, and it ends on its own after a month.
- The trip uses 1.38 GB of the 5 GB option, so nearly three quarters of what you paid for is left unused when the month ends.
- Beyond the 5 GB, iliad's rate is €0.06 per MB in the UK and Switzerland and €0.23 per MB in the US. A 90th percentile trip, 6.50 GB, uses 1.50 GB more than the option: €90 (US$102.60) more with iliad in the UK or Switzerland, and €345 (US$393.30) more in the US.
What a 7-day trip costs: an iliad option or paying as you go
Paying as you go with Bcengi, a trip costs what its data costs. Each line below is a model for a trip of 6 to 8 days: the median (1.38 GB) and the 90th percentile (6.50 GB) from the usage report, times the country's rate on October 4, 2026.
- Switzerland rates: a median 7-day trip (1.38 GB at $1.81/GB) costs $2.50 with Bcengi; at the 90th percentile (6.50 GB at $1.81/GB), $11.77. Against iliad's 5 GB in Svizzera option, the median trip is about 2.5 times cheaper; against the option plus 1.50 GB at iliad's per MB rate, the 90th percentile trip is about 9 times cheaper.
- United Kingdom rates: a median 7-day trip (1.38 GB at $1.19/GB) costs $1.64 with Bcengi; at the 90th percentile (6.50 GB at $1.19/GB), $7.74. Against iliad's Extra 5GB in UE e Regno Unito option, the median trip is about 3 times cheaper; against the option plus 1.50 GB at iliad's per MB rate, the 90th percentile trip is about 14 times cheaper.
- United States rates: a median 7-day trip (1.38 GB at $1.68/GB) costs $2.32 with Bcengi; at the 90th percentile (6.50 GB at $1.68/GB), $10.92. Against iliad's 5 GB in USA e Canada option, the median trip is about 2.5 times cheaper; against the option plus 1.50 GB at iliad's per MB rate, the 90th percentile trip is about 37 times cheaper.
For how bundles and pay as you go compare, see bundles vs pay as you go.
What you get with Bcengi
- One reusable eSIM: install it once and use it on every trip.
- A balance that never expires: what one trip does not use is there for the next.
- No plan to pick: you never guess a size before you travel.
- Top up any time, by hand or with auto-refill.
- Your phone number stays on your home SIM for calls and texts; Bcengi is data only.
iliad roaming questions
How much does iliad charge for data outside the EU?
On GIGA 150, TOP 230 and GIGA 250, iliad's 5 GB options cost €3.99 for a month in the UK and €4.99 for a month in Switzerland and in the US, each once a month; beyond them, iliad's rate is €0.06 per MB in the UK and Switzerland and €0.23 per MB in the US.
How do I use a travel eSIM instead of iliad roaming?
Install the eSIM before you leave, set it as your data line, and turn data roaming off for your iliad line so it does not use data abroad. See turn roaming off on your home line.
How these figures were measured
The usage figures come from Bcengi's 2026 International Mobile Data Usage Report: a stratified random sample of 10,000 travel periods, with usage from January 1 to September 30, 2026. The figures cover every destination in the sample, not one country.
Each trip cost on this page is a model, not a bill: the GB a trip used times the per-GB rate on our pricing page on October 4, 2026. Rates can change; the pricing page always has the current ones.
Euro prices are converted to US dollars at the Federal Reserve's rate for September 25, 2026, 1.1400 US dollars per euro.
Updated October 4, 2026. Sources: iliad's abroad page and price lists; Federal Reserve exchange rates; Bcengi 2026 International Mobile Data Usage Report; Bcengi pricing page.
