Riga Airport handles all flights in one terminal with a central check-in hall for all destinations.
It is one of the smaller and very clear airports. From the entrance to the terminal to the exit, it takes no more than 10 minutes to walk to the aircraft.
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A single security checkpoint on the left side of the concourse takes you to a single transit area with departure gates B and C.
Non-Schengen flights fly from the end of "Concourse C", where passport control is also located. These gates are the furthest away from the security checkpoint, so if you are flying from Riga to a non-Schengen country, leave a larger margin and ideally go through security at least 1 hour before departure.
Transfer between flights
Thanks to the modern AirBaltic network, Riga is an important transfer point, especially from flights to Europe towards the Baltics, Scandinavia or Transcaucasia.
The transfer is very well organised and you don't have to leave the transit zone at all, even if you combine the transfer on your own by buying 2 separate tickets (if you are travelling with hand luggage only).
There is no security or passport control on flights between Schengen countries.
When transferring from a Schengen to a non-Schengen flight, you only go through passport control, otherwise you go through security. However, there are never queues longer than 10 minutes at these checks.