Airalo in Serbia: strong on capped data, poor on unlimited

What Airalo actually charges

Airalo has the deepest range of any provider we hold for Serbia — a dozen capped plans and six unlimited ones — and, unusually, all of them were checked against Airalo's own site on 13 August 2026 rather than carried over from older data. Where this page compares Airalo with Saily or Holafly, the rival's figure is the shakier one; Nomad's Serbia prices have since been read at source too, and they undercut Airalo at every size.

Serbia sits at the expensive end of our data. The same provider sells 10GB over 30 days for $12 in neighbouring Bulgaria and 50GB for $36; here those are $18 and $49. That is not Airalo being opportunistic so much as Serbia costing more to buy wholesale, but it is worth knowing before you assume Balkan prices are Balkan prices.

Take the long window; it costs a dollar

The one piece of advice that applies to every Airalo Serbia plan: never buy the short validity. 5GB is $10 over seven days and $11 over thirty. 10GB is $16.50 over seven and $18 over thirty. 20GB is $26 over fifteen days and $27 over thirty. A dollar buys you three or four extra weeks of headroom on a trip that might slip.

The exception is at the bottom. Airalo's smallest Serbia plan is 1GB over three days at $4, and it has no seven-day equivalent — which is where Saily's indicative $3.99 for 1GB over a week looks better, if that price still holds, and where Nomad's verified $4.00 for 1GB over seven days matches Airalo on money with four more days on it.

Unlimited is where it comes apart

Airalo's unlimited tier runs from $18.50 for three days to $95 for thirty. Set that against its own capped range and it stops making sense: $49 buys 50GB across a full month, and $95 buys unlimited across the same month. You would need to use more than 97GB in Serbia for the unlimited plan to be the cheaper unit.

It does not look better against rivals either. Holafly's Serbia prices are indicative — held without a recent check — but at $19 for five days of unlimited against Airalo's verified $27.50, and $68.90 for 25 days against Airalo's $95 for thirty, the gap is wide enough that a price drift wouldn't close it. The counterweight is tethering: Airalo's Serbia plans support hotspot sharing on every plan, and Holafly's do not. If you need to put a laptop online, that reverses the recommendation on its own.

No Airalo plan includes calls or SMS. Messaging apps work over data, which covers most of what travellers need a number for.

"Serbia Mobile" is a product name, not a carrier

Airalo sells its Serbia eSIM under the label Serbia Mobile. That is Airalo's own retail branding at checkout, in the same way its Bulgaria plan is called Bultel. It is not a network, and Airalo does not publish which Serbian network its plans connect to — not here and not in any country we track.

An earlier version of this page named A1 Serbia and Yettel as the host network. Nothing sourced supports it, so it has gone. Nor is any other provider's network claim in our Serbia data confirmed; the values we carry are sellers' own listings. If a comparison anywhere tells you to pick one travel eSIM over another because of the carrier behind it, ask where that came from.

What can be said about Serbian coverage without a source problem is where it thins out generally: the remote Stara Planina mountains, some deep sections of the Djerdap Gorge, and very rural villages in the south. The Kosovo border area has a separate network. No travel eSIM lets you pick which network you land on, so none of them solves any of that.

Serbia is not in the EU

Worth saying plainly, because a lot of European travellers arrive assuming otherwise. Serbia is outside the EU and the EEA, so roam-like-at-home does not apply — your domestic allowance does not automatically travel with you, and if your operator has not put Serbia into a bonus zone, roaming here is charged. Check your tariff before you land, because this is the difference between spending $11 and spending considerably more by accident.

The local alternative costs more here than in most of the region: a Serbian prepaid SIM runs about $14 at the airport, from Telekom Srbija, Yettel Serbia or A1 Serbia, and registration requires a passport or ID. An eSIM needs no paperwork at all.

Verdict. Airalo's Serbia range is the deepest we hold and every price in it is checked, but it is no longer the cheapest: Nomad's verified prices undercut it at every size, by $14 on the 50GB month. For unlimited, Airalo is the most expensive option on the board. Buy Airalo here for the 7- and 15-day windows Nomad does not sell, buy Nomad if you are optimising on price, and ignore the unlimited tier either way. Provider by provider, the comparison is on our Serbia hub.