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Montenegro is not an EU country, which means that eSIMs in Montenegro are relatively expensive.
Roamic
Roamic is also a very affordable provider in Montenegro. With unlimited plans, you get 3 GB of high-speed data per day; after that, speeds drop to 1 Mbit/s.
- 10 GB for €6.99
- 20 GB for €12.99
- 3 days of unlimited access for €7.99
- 5 days of unlimited access for €11.99
- 7 days of unlimited access for €16.99
- 10 days of unlimited access for €21.99
- 15 days of unlimited access for €29.99
You can order the Montenegro eSIM here
WorldSIM
WorldSIM is also among the affordable providers. Billing is in British pounds; the exchange rate today (September 1, 2026) is 1.17 € per British pound. Unlimited plans include 2 GB of high-speed data per day.
- 10 GB for €6.89
- 20 GB for €10.00
- 3 days of unlimited access for €7.11
- 5 days of unlimited access for €9.41
- 7 days of unlimited access for €11.27
- 10 days of unlimited access for €27.87
- 15 days of unlimited access for €38.52
You can order the affordable eSIM from WorldSIM HERE
eSIM Fox
eSIM-Fox is especially appealing to those who need a lot of data. Here, you can get up to 50 GB at a reasonable price.
- 10 GB for €12.99
- 20 GB for €23.99
- 50 GB for €52.99
- 7 days of unlimited access for €19.99
- 15 days of unlimited access for €39.99
You can order the eSIM from eSIM-Fox here
Airalo
Airalo is one of the best-known and most reliable eSIM providers. With Airalo's unlimited plans, you get 3 GB of high-speed data per day.
- 10 GB for €19.50
- 20 GB for €31.00
- 50 GB for €43.50
- 3 days of unlimited access for €16.50
- 5 days of unlimited access for €24.00
- 7 days of unlimited access for €30.00
- 10 days of unlimited access for €33.00
- 15 days of unlimited access for €43.50
