Terminals · IAH
British Airways departs from Terminal E at George Bush Intercontinental Airport (IAH). We verified this against the airport's own sources on June 27, 2026 — airlines do move terminals, so we date every check.

British Airways departs from Terminal E at George Bush Intercontinental Airport (IAH). Check-in and security at the Terminal E International Central Processor; gate is in the connected D/E international concourse (airport records gate concourse = D). London-Heathrow service. Verified June 27, 2026.
Terminal E ticketing lobby. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Check-in moved from Terminal D to Terminal E on April 15, 2026. Previously only inferred in the first pass; now directly confirmed with a date. We confirmed British Airways's current Terminal E on June 27, 2026.
International departures only. Check-in and TSA at Terminal E; gate may be in the Terminal D concourse.
Not sure which building that is? See all IAH terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's IAH security wait, your drive, and the walk to your gate — so you leave with room to breathe.