Thai Lion Air online check-in
Flying with Thai Lion Air? 1Checkin checks you in on Thai Lion Air flights (IATA code SL) as soon as online check-in opens and emails you the boarding pass, so you don't have to watch the clock.
We have been checking passengers in on Thai Lion Air since 2019: more than 720 completed check-ins so far.
When does Thai Lion Air check-in open?
Online check-in for Thai Lion Air opens 24 hours before departure and closes 2 hours before departure.
Seat selection on Thai Lion Air
Thai Lion Air assigns seats automatically at check-in, free of charge; a specific seat of your choice usually has to be bought in advance.
1Checkin has checked passengers in on Thai Lion Air flights departing from Chiang Mai (CNX), Bangkok (DMK), Denpasar-Bali Island (DPS), Hong Kong (HKG), Phuket (HKT), Krabi (KBV), Singapore (SIN) and Surat Thani (URT).
Thai Lion Air check-in FAQ
How does automatic check-in for Thai Lion Air work?
Forward your Thai Lion Air booking confirmation to 1Checkin or add the booking in the app. We check you in as soon as online check-in opens and send the boarding pass to your e-mail.
When does Thai Lion Air online check-in open?
Online check-in for Thai Lion Air opens 24 hours before departure and closes 2 hours before departure.
Can I choose my seat on Thai Lion Air?
Thai Lion Air assigns seats automatically at check-in, free of charge; a specific seat of your choice usually has to be bought in advance.
How it works
- Forward your booking confirmation to 1Checkin, or add the booking reference in the app.
- 1Checkin checks you in on Thai Lion Air the second online check-in opens.
- Your boarding pass lands in the app, ready for the airport, even offline.