Terminals · LAS
British Airways departs from Terminal 3 at Harry Reid International Airport (LAS). We verified this against the airport's own sources on April 15, 2026 — airlines do move terminals, so we date every check.

British Airways departs from Terminal 3 at Harry Reid International Airport (LAS). Terminal 3; international departures use the Concourse E gates (widebody A380/787 service may use the international-capable Concourse D stands with a tunnel to Terminal 3 customs). Verified April 15, 2026.
Terminal 3. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Not that we've found. We confirmed British Airways departs from Terminal 3 at LAS as of April 15, 2026. Airlines do shuffle terminals, so we re-check and date every change.
International carrier — arrivals processed at Terminal 3 customs/immigration; departs Concourse E.
Not sure which building that is? See all LAS terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's LAS security wait, your drive, and the walk to your gate — so you leave with room to breathe.