George Bush Intercontinental Airport (IAH) in Houston, Texas, is one of the busiest international gateways in the United States. It serves millions of passengers each year and connects travelers to destinations all over the globe.

For passengers flying with British Airways IAH Terminal, IAH is an important U.S. hub for transatlantic travel, especially for flights between Houston and London Heathrow. If you’re planning to fly British Airways from IAH, knowing what to expect at the terminal can make your travel experience much smoother.

This guide walks you through the entire British Airways journey at IAH — from check-in to boarding — along with information on facilities, services, dining, and travel tips.

Overview of George Bush Intercontinental Airport (IAH)

Located about 23 miles north of downtown Houston, George Bush Intercontinental Airport is the largest airport in the Houston metropolitan area and one of the top 20 busiest in the U.S. by passenger traffic.

IAH consists of five passenger terminals:

• Terminal A
  
  
• Terminal B
  
  
• Terminal C
  
  
• Terminal D (Mickey Leland International Terminal)
  
  
• Terminal E
  
  

British Airways operates from the Mickey Leland International Terminal D, which is designed for most of IAH’s international carriers and flights.

British Airways at Terminal D

Location

Terminal D is where the majority of IAH’s international flights arrive and depart. British Airways uses Terminal D for both check-in and boarding.

While IAH has been undergoing terminal renovations in recent years, Terminal D remains operational and equipped with all the necessary amenities for international passengers. There are also direct connections to Terminal E in some cases for shared international facilities.

Passenger Flow

When flying British Airways from IAH, your process will typically look like this:

1. Arrive at Terminal D departures level.
   
   
2. Check in and drop off baggage at the British Airways counter.
   
   
3. Pass through TSA security and U.S. Customs (for outbound clearance where applicable).
   
   
4. Proceed to your gate in Terminal D.
   
   

Check-In and Baggage

British Airways offers several convenient ways to check in for your flight:

• Online Check-In: Available 24 hours before departure via the BA website or mobile app.
  
  
• Self-Service Kiosks: Located at the departures area of Terminal D.
  
  
• Full-Service Counters: Staffed by British Airways agents for assistance with tickets, seating, upgrades, and baggage.
  
  

Baggage Policy Overview

British Airways generally includes at least one checked bag in most long-haul international fares, but the allowance can vary based on your ticket type and frequent flyer status.
Typical guidelines:

• Checked Baggage: Standard weight limit is 23 kg (50 lbs) for economy; heavier allowances for premium cabins.
  
  
• Carry-On: One cabin bag and one personal item are permitted.
  
  
• Oversized/Overweight Bags: Additional fees apply.
  
  

Tip: Arrive at least 3 hours before departure for international flights to allow for security and customs processing.

Security and International Processing

Terminal D’s security checkpoint handles passengers for multiple international airlines, so wait times can vary. Early evening tends to be a busy period for Europe-bound flights.

After security, you will proceed through the U.S. Customs and Border Protection exit control (if applicable) before entering the departure lounge.

For passengers arriving from London, British Airways flights at IAH also go through Customs and Immigration in Terminal D. The airport offers both standard processing lines and Global Entry kiosks for eligible travelers.

Dining and Shopping in Terminal D

While Terminal D is smaller than some domestic terminals, it offers a variety of options for passengers to relax, eat, or shop before their flight.

Dining

• Sit-Down Restaurants: Offering American classics, seafood, and international cuisine.
  
  
• Grab-and-Go Counters: Sandwiches, salads, snacks, and drinks for those short on time.
  
  
• Coffee and Bakery Outlets: Perfect for a quick caffeine boost before a long flight.
  
  

Shopping

• Duty-Free Stores: Perfume, cosmetics, liquor, and luxury items at tax-free prices.
  
  
• Travel Essentials Shops: Neck pillows, chargers, and last-minute toiletries.
  
  
• Newsstands: Magazines, books, and snacks.
  
  

Lounges for British Airways Passengers

British Airways premium-class travelers and eligible frequent flyers have access to partner airline lounges at IAH. While BA does not operate its own branded lounge in Houston, passengers can typically access:

• Oneworld Alliance Lounges
  
  
• Partner lounges such as the American Airlines Admirals Club (for certain ticket classes)
  
  

Lounge amenities generally include comfortable seating, complimentary snacks and beverages, business centers, Wi-Fi, and showers in some cases.

Boarding Process for British Airways Flights

British Airways uses a group boarding system:

1. Group 1: First Class, Club World (business), and eligible elite status members.
   
   
2. Group 2–3: Premium Economy (World Traveller Plus) and other eligible frequent flyers.
   
   
3. Group 4–9: Economy passengers, boarded in smaller groups to reduce congestion.
   
   

Boarding usually begins about 45 minutes before departure.

Ground Transportation to and from IAH

IAH is connected to Houston and surrounding areas by multiple transportation options:

• Private Vehicle: Parking garages and economy lots available; economy lots have shuttle buses.
  
  
• Ride-Sharing: Uber and Lyft pickup zones are clearly marked near the terminal.
  
  
• Taxi Service: Available 24/7 outside baggage claim.
  
  
• Public Transit: The Houston METRO bus system provides limited direct service.
  
  
• Hotel Shuttles: Many nearby hotels offer complimentary airport transfers.
  
  

Accessibility and Special Assistance

British Airways and IAH both provide comprehensive accessibility services:

• Wheelchair Assistance: Requestable when booking or at check-in.
  
  
• Accessible Restrooms: Available throughout Terminal D.
  
  
• Priority Boarding: Offered to passengers needing extra time.
  
  
• Service Animal Relief Areas: Available for travelers with service animals.
  
  

Tips for Flying British Airways from IAH

1. Arrive Early: International check-in and security can take longer than domestic.
   
   
2. Use Online Check-In: Saves time and allows you to select seats.
   
   
3. Check Baggage Allowances in Advance: Especially if traveling with sports equipment or musical instruments.
   
   
4. Consider Lounge Access: If you have a long wait, a lounge can make the experience far more comfortable.
   
   
5. Stay Updated: Flight times can shift, so monitor your departure via the BA app or airport screens.
   
   

Conclusion

Flying with British Airways from George Bush Intercontinental Airport’s Terminal D offers a streamlined international travel experience. From the moment you arrive at the departures level to the time you board your aircraft, the terminal is designed to cater to the needs of international passengers.

Terminal D provides all the essentials — from dining and duty-free shopping to partner lounges and comfortable gate areas — ensuring your wait is as pleasant as possible before embarking on your transatlantic journey.

By arriving early, checking in online, and familiarizing yourself with IAH’s layout, you can reduce travel stress and enjoy a smooth start to your trip. Whether you’re flying for business or pleasure, the combination of British Airways’ quality service and IAH’s international terminal facilities makes for a dependable and comfortable departure experience.