Terminal 3 hosts 9 airlines. You'll find 1 lounge here.
One compact building handles all flights for Terminal 3
Every Volotea, easyJet UK, Transavia France, TUI fly Belgium, ASL Airlines France, Air Algérie, Nouvelair, Sky Express, and Binter Canarias departure at Lille uses the same small passenger building, even though signs and tickets may say Terminal 3. In practice, there is just one short set of halls, one check-in area, and one security zone, so you are never dealing with a separate T1/T2/T3 shuffle like at larger hubs.
Security usually takes around 15–25 minutes, but reviews flag that the area clogs up fast when two or three departures line up around the same time. There are only a few lanes and one main checkpoint, so a 09:00 Volotea to the south and a 09:15 Transavia France flight can mean a queue that spills back into the compact check-in hall.
The building closes at night, with airport-sleeping sites warning that you cannot stay inside after the final late-evening departures have gone. Budget flyers aiming for a floor nap before a 06:00–07:00 departure on airlines like easyJet UK or Binter Canarias usually get moved out by staff and end up waiting outside or arranging a nearby hotel instead.
Food and shopping options are minimal, with regulars noting only a handful of outlets open around the main departures area. Prices run higher than in Lille city cafés, and with no listed lounges or big-brand shops in this terminal, many people eat in town first or bring a sandwich for a 1–3 hour wait before flights on carriers like Air Algérie or Sky Express.
Walking distances stay short: from the front doors to the furthest gate is roughly a few minutes at normal walking pace. There is no need to factor in transfers between Terminals 1, 2, 3, A, or I; all those codes map back to the same connected set of rooms, so even tight 35–40 minute connections, when sold on one ticket, are usually just a quick walk and a passport check if you are changing countries.
Regulars tend to arrive about 90 minutes before a Schengen flight on Volotea or Transavia France and around 2 hours before non-Schengen services like Air Algérie, trying to miss both long idle time and the sharp peaks at security. That timing leaves a bit of margin for check-in queues at the limited counters without forcing you to kill three empty hours in a small departures lounge with few distractions.
Complaints about crowding cluster around early morning and late afternoon banks, for example around 06:00–08:00 and 16:00–19:00 when several leisure flights depart close together. At those times, seating in the gate areas goes fast, and you may end up standing near the doors, so charge your phone and download shows before arriving, since power outlets and quiet corners are in short supply.
Practical tip: if you see multiple flights in the 60-minute window before yours on the departures board, clear security immediately; if your flight is alone in its slot, you can safely grab a quick coffee landside first and still walk to the gate in under 10 minutes.