Written by Carey Finn
International eSIM brand Saily did something really cool recently — they quietly launched an in-flight internet package, making travel connectivity that much easier.
Saily is one of the most popular eSIMs for Japan, and this is a neat little add-on to their already strong offering.
Pro tip: Use our link for 15% off a Saily eSIM for Japan.
What to know about Saily’s in-flight eSIM internet
Here are the salient points about the in-flight option for their eSIM:
- A Saily eSIM can be used for in-flight internet on selected international flights (not all flights)
- It can be used once the aircraft has taken off and reached cruising altitude
- To use the in-flight internet function, you need to open the Saily app on your phone and tap “Add Data”, then select “In-Flight”
- Important: You need to buy and activate a data package that includes the in-flight plan before boarding your flight
Which airlines does this apply to?
As of January 2026, the following airlines and aircraft supported Saily in-flight eSIM internet:
- Aer Lingus: A330
- Air Belgium: A330neo
- Asiana Airlines: A350
- Biman Bangladesh Airlines: B787
- Cathay Pacific: A350
- EgyptAir: B787
- Emirates: B777
- Etihad Airways: A350 / B777 / B787
- EVA Air: B777
- ITA Airways: A330
- Kuwait Airways: B777
- Lufthansa: A330 / A340 / A350 / A380 / B747
- Malaysia Airlines: A350
- SAS Scandinavian Airlines: A330
- Singapore Airlines: A350 / B777 / B787
- Swiss International Air Lines: A330 / A340 / B777
- TAP Air Portugal: A330
- Turkish Airlines: A330 / A350 / B777 / B787
- Uzbekistan Airways: B787
While we do our best to ensure it’s correct, information is subject to change.
