Terminals · LAX
Southwest departs from Terminal 1 at Los Angeles International Airport (LAX). We verified this against the airport's own sources on June 27, 2026 — airlines do move terminals, so we date every check.

Southwest departs from Terminal 1 at Los Angeles International Airport (LAX). Established operating base with its own gates in Terminal 1 (purely domestic); departs from Terminal 1 gates. Verified June 27, 2026.
Check-in at Terminal 1. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Not that we've found. We confirmed Southwest departs from Terminal 1 at LAX as of June 27, 2026. Airlines do shuffle terminals, so we re-check and date every change.
Not sure which building that is? See all LAX terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's LAX security wait, your drive, and the walk to your gate — so you leave with room to breathe.