London Heathrow Airport is served by 20+ major international airlines operating across all five terminals. Whether you're looking for domestic UK flights or connecting to over 350 international destinations, Heathrow offers comprehensive flight options from every major alliance including Star Alliance, OneWorld, and SkyTeam.

Terminal Distribution: Airlines are strategically distributed across Heathrow's terminals to optimize passenger flow and terminal efficiency. Terminal 2 hosts Star Alliance members, Terminal 3 serves OneWorld and independent carriers, Terminal 4 accommodates SkyTeam and other carriers, while Terminal 5 is exclusively used by British Airways and its associated carriers.

Flight Booking: Visit each airline's official website to check real-time schedules, compare fares, and book flights directly. Most airlines offer mobile apps for convenient mobile check-in and boarding pass management at Heathrow.

Frequent Flyer Programs: Take advantage of airline loyalty programs to earn miles, access lounges, and enjoy priority boarding. Many airlines offer partnerships with hotels and car rental companies for additional rewards.