An airport SIM card without the queue: a short eSIM for layovers
Many layovers need little data, and some need none. If yours does, a short eSIM installed at home is easier than an airport SIM card bought at a kiosk on arrival. Here is how to tell which kind of layover you have, and what to buy if it is the second.
Short plans for common transit countries
The shortest plans, three days or fewer, from the Global pack and from countries many routes pass through.
- Hong KongUnlimited · 3 days$6.00
- Data
- Unlimited
- Validity
- 3 days
- Hotspot
- Included
- SingaporeUnlimited · 3 days$6.50
- Data
- Unlimited
- Validity
- 3 days
- Hotspot
- Included
- GermanyUnlimited · 3 days$6.90
- Data
- Unlimited
- Validity
- 3 days
- Hotspot
- Included
- NetherlandsUnlimited · 3 days$6.90
- Data
- Unlimited
- Validity
- 3 days
- Hotspot
- Included
- ThailandUnlimited · 3 days$7.40
- Data
- Unlimited
- Validity
- 3 days
- Hotspot
- Included
- TurkeyUnlimited · 3 days$7.50
- Data
- Unlimited
- Validity
- 3 days
- Hotspot
- Included
The shortest length differs by destination and may not be one day. The card shows what is on offer today, and the country's page lists every length.
What a short eSIM does on a connection
Ready before you land
Install the eSIM at home on Wi-Fi. When you arrive in the country, there is nothing to find, buy or insert.
No kiosk, no tiny card
An airport SIM card means a counter, a queue and a physical card to swap. An eSIM is already on your phone.
Emailed straight away
The eSIM arrives as soon as payment clears, so you can buy it the night before and still be set up for the airport.
Your own number stays active
Calls, texts and one-time passwords for boarding passes and bank apps keep reaching your normal SIM.
Counted from first connection
The plan starts when the eSIM first connects abroad, so an early install costs you no days.
Top up if the trip changes
A delayed flight or an extra night: buy another plan and keep the same eSIM profile on your phone.
Do you need an airport SIM card on a layover?
Often not. If you are staying airside for a couple of hours and boarding passes are already on your phone, airport Wi-Fi where it exists, or an offline download of your maps and tickets, may be all you need. Wi-Fi quality and sign-in rules differ from airport to airport, so do not count on it for anything urgent.
Mobile data starts to matter when you leave the terminal, when a long layover turns into a city visit, when you need a ride-hailing app or a live map, or when you must stay reachable on a work call. For those, a short eSIM is a calmer answer than hunting for a SIM card on arrival.
Choosing a short eSIM, and when a longer one fits
Pick the shortest plan that covers the time you will actually be in that country, and read the cards above for the shortest length on offer today; it may be a few days rather than one. A connection that touches several countries, or a trip with a stopover at the start and a week at the end, usually points to a regional or global pack instead of a plan for each stop.
Your phone must support eSIM and be carrier-unlocked, which the phone check on this page confirms in a moment. A work phone managed by your employer may block eSIM installs, so ask first.
Airport extras you can book with the eSIM
ZetSIM also sells airport lounges, Fast Track and Meet & Greet. You can book one with your eSIM in a single order or on its own, and the pages below describe each service. They are separate from the eSIM, so you buy only the one you need.
Before the first flight
Decide whether you need data
A short airside stop may not. A long layover, a city visit or a work call usually does.
Install on Wi-Fi at home
Tap the install button in the email on the phone it is for, or scan the QR code from another screen.
Switch it on in the country
Choose the eSIM for mobile data when you land. The plan starts when it first connects to a network there.
Does your phone support an eSIM?
Dial *#06# on your keypad. If the panel that opens lists an EID, your phone is eSIM-ready. It works on iPhone and Android, takes about ten seconds, and nothing leaves your device.
Not listed? Dial *#06# — if an EID number appears, your phone supports eSIM. See the full list
No EID? The phone takes a physical SIM only, and a travel eSIM will not work on it. If the EID is there but your handset came from a carrier, check it is not network-locked before you buy.
Questions before you buy
Still unsure? Our team answers on WhatsApp in minutes, in 11 languages.
Ask on WhatsAppNot always. A short stay airside with your boarding passes already on the phone may need no mobile data at all, and airport Wi-Fi, where it exists, can cover the rest. A long layover, a city visit or a work call is when a short eSIM helps.
An eSIM saves the counter, the queue and the swap, because it is installed at home before you fly and sits beside your own SIM. An airport SIM card is a physical card you collect on arrival. Choose by how much hassle you want at the gate.
It works at any airport in a country the plan covers, once the phone connects to a network there. Install it before you fly, then choose the eSIM for mobile data when you land. Validity starts at that first connection.
That depends on the destination, and it changes. The cards above show the shortest plan on offer today for each country and for the Global pack, which may be a few days rather than one. The country's own page lists every length available.
A regional or global pack covers the countries on its list under one eSIM, which can be simpler than a plan for each stop. Check each country against the pack's list before you buy, and add a country plan for any it leaves out.
Yes, if you have a Wi-Fi connection to download it. The eSIM is emailed as soon as payment clears, and the install button in the email opens your phone's own eSIM setup. Doing it at home on Wi-Fi is easier, with less to worry about at the gate.
Set it up before you fly
See the shortest plans on offer, check your phone supports eSIM, and install at home on Wi-Fi.