What’s the best eSIM for business travel?

Airalo, Holafly, and Nomad are the widely-used providers — buy the country or regional plan and install it before you fly. Which is cheapest depends on the country and how much data you need; check current rates.

Is an eSIM cheaper than roaming?

Usually, for anything longer than a night or two — you pay data rates instead of a flat daily roaming fee. For a very short trip, your carrier’s day-pass can be simpler and comparable.

Do I keep my phone number with an eSIM?

Yes. An eSIM runs as a second line alongside your primary SIM, so calls and texts to your real number still come through while you use the eSIM for data.

How do I set up an eSIM before an international trip?

Buy the plan for your destination from a provider like Airalo or Holafly, install the eSIM while you still have wifi at home, and set it to activate on arrival — so you land connected.

Equip · Connectivity

The eSIM Move for International Business Travel

By Rachel Julian, Editor-in-Chief · July 21, 2026 · 5 min read

eSIM vs roaming vs local SIM for international business travel: land connected, keep your number, and pay data rates instead of roaming fees. The decision by trip length.

Direct answer: For international business travel, an eSIM (Airalo, Holafly, and Nomad are the widely-used providers) usually beats both roaming and a local SIM: you land connected, keep your number on your primary line, and pay data rates instead of roaming fees. Your carrier’s day-pass can still win for a one-night trip — the decision is trip length and how much data you actually burn.

Landing in another country without data is a business problem: no maps to the client, no email, no way to say you’re five minutes out. The fix is to decide your connectivity before you fly, not at a foreign airport kiosk.

What actually matters

Land connected — set it up before departure so data works the moment you turn the phone off airplane mode. Keep your number — an eSIM runs alongside your primary line, so calls and texts to your real number still arrive. Enough data for maps, email, and a hotspot in a pinch. Coverage in your specific country. Cost versus your carrier’s roaming.

The field — and the decision

eSIM providers: Airalo (broad country coverage), Holafly (unlimited-data plans), and Nomad are the common choices — buy the country or regional plan, install before you fly. Carrier day-pass: AT&T, Verizon, and T-Mobile all sell international day-passes — dead simple, but a flat daily fee adds up. Local SIM: cheapest for a long stay, but a hassle and it changes your number. The rule of thumb: a one-to-two-night trip → your carrier’s day-pass for simplicity; a longer or data-heavy trip → an eSIM; an extended stay → a local SIM. Check current rates; they change often.

What to skip

Don’t roam blind on your home plan — that is where the bill-shock stories come from. Don’t rely on hotel or airport wifi for anything sensitive; treat public wifi as hostile and keep a VPN for the exceptions.

More Equip: the business-travel gear guide and the Equip pillar — gear, connectivity, and the road office.

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The Sales Traveler’s own assessment for a business-travel use case. Products named are real, widely-available options; specs, prices, and current models change — confirm on the maker’s site. Health notes are general and not medical advice. No paid placements or affiliate links.

The eSIM Move for International Business Travel

What actually matters

The field — and the decision

What to skip

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Don't just read the discipline.Run it.

Don't just read the discipline.
Run it.