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Roaming in Europe from the USA
AT&T, Verizon vs eSIM.

Each operator's option for a 10-day trip, checked on its own site, next to a live data eSIM price for Europe.

See Europe eSIM plans →

10-day trip to Europe

OperatorCostIncludesSlashtel eSIM (same trip)Difference
AT&T$120 · 10 days$12/day x 10 days10GB, 30 days: $17.69$102.31 less
Verizon$120 · 10 days$12/day x 10 days10GB, 30 days: $17.69$102.31 less

Operator prices as listed on att.com, verizon.com on 23 September 2026; they include calls as well as data. Where an operator charges by the day, we compare an eSIM with at least 1GB a day. Slashtel prices are live in US dollars. AT&T is a trademark of AT&T Intellectual Property. Slashtel is not affiliated with AT&T. Verizon is a trademark of Verizon. Slashtel is not affiliated with Verizon.

Questions

Which US operator is cheapest for roaming in Europe?

For a 10-day trip, AT&T at $120. Verizon: $120. Options differ in calls and data allowances, so compare what you will use.

Is a data eSIM cheaper than roaming in Europe?

For data, yes against each option we list: a Slashtel eSIM for the same trip costs $17.69 (vs AT&T $120), $17.69 (vs Verizon $120). Operator options also include calls; the eSIM is data only.

Can I keep my US number in Europe?

Yes. Keep your US SIM in the phone for calls and texts such as bank codes, and use the eSIM for mobile data.

AT&T roaming Europe: full comparisonVerizon roaming Europe: full comparisonAll destinations