Your best mobile plan in Belgium
For 0 GB and 100 minutes a month (no trips), the cheapest fitting plan is UNDO Zero Waste at €4.00/month all-in. 99 of 142 plans fit.
Not given: Where do you travel, how many days a year, and roughly how much data per day? Roaming costs often decide the best plan. Add &trip=US-7 (country-days[-GB per day]) or &travel=none.
| # | Plan · source | Price/month | Trips | All-in €/month |
|---|---|---|---|---|
| 1 | UNDO Zero Waste source: undo.be · checked 2026-10-12 | €4.00 | — | €4.00 |
| 2 | Lycamobile SIMPLE 15GB source: lycamobile.be · checked 2026-10-12 | €4.99 | — | €4.99 |
| 3 | Digi Mobiel 30 GB source: digi-belgium.be · checked 2026-10-12 | €5.00 | — | €5.00 |
| 4 | hey! mobile S source: heytelecom.be · checked 2026-10-12 | €5.00 | — | €5.00 |
| 5 | Yoin 6 GB source: yoin.be · checked 2026-10-12 | €8.50 | — | €6.50 |
All-in = 12-month average incl. promos, one-off fees and trips. Ranked by the public Veritaset method (https://veritaset.com/method/). No operator pays for placement. Prices are indicative; the operator's checkout price is binding. Veritaset has no commercial relationship with any operator.